CN104986684A - Lift - Google Patents
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- CN104986684A CN104986684A CN201510466765.9A CN201510466765A CN104986684A CN 104986684 A CN104986684 A CN 104986684A CN 201510466765 A CN201510466765 A CN 201510466765A CN 104986684 A CN104986684 A CN 104986684A
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- China
- Prior art keywords
- circuit
- belt
- locking
- scissor arm
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The invention discloses a lift. The lift includes a base assembly, a lifting platform, a scissors-fork mechanism, a belt driving device, a locking supporting frame, a lifting locking device and an electric control system; the bottom of the scissors-fork mechanism is installed on the base assembly; the top of the scissors-fork mechanism is provided with the lifting platform; the belt driving device is driven by a lifting motor so as to make the included angle of the scissors-fork arms of the scissors-fork mechanism varied, so that the lifting and descending of the lifting platform can be realized; the lifting locking device is driven by a locking motor so as to lock the lifting platform on the locking supporting frame; the power supply equipment of the electric control system can select corresponding power supply modes through a power supply mode conversion device so as to supply power for a power distribution cabinet; the cabinet frame of the power distribution cabinet is divided into installation space units used for assembling function modules and arranged wires; and the function modules are installed in corresponding installation space units of the cabinet frame in a draw-out manner. According to the lift of the invention, the lift and the sub-systems or components of the lift in a material conveying system are improved, and therefore, overall performance of the conveying system can be effectively improved.
Description
Technical field
The present invention relates to material-transporting system, particularly relate to elevator in material-transporting system and subsystem thereof or parts.
Background technology
Elevator is the indispensable basic equipment of equipment manufacture industry, and what application was more at present is hydraulic hoist.There is certain defect in hydraulic hoist: such as, and the leakage that hydraulic actuating cylinder may produce hydraulic oil is polluted, and causes application scenario restricted; And the change of hydraulic actuating cylinder rising or falling speed greatly, when startup, stopping, impact load is large; In addition, electric control system Shortcomings, as offside halt control mechanism link is too much, shuts down low-response etc. during fault, there is certain potential safety hazard thus; In addition, power equipment supply performance is not ideal enough, can not utilize the clean energy resource such as solar power, wind energy, and the poor universality of electric power distribution cabinet, install convenient not; Etc..In view of this, be necessary to design a kind of novel elevator, so that at least can in the above-mentioned performance in a certain respect of improvement.
Summary of the invention
For the defect that prior art exists, the object of the embodiment of the present invention is to provide elevator in a kind of material-transporting system and subsystem thereof or parts, to improve the performance of elevator.
For solving above technical matters, the embodiment of the present invention provides a kind of elevator, comprises base assembly, lifting table, scissors mechanism, belt drive, locking bracket, lifting latching device and electric control system, wherein:
Scissors mechanism comprises the first scissor arm, the second scissor arm by scissor arm pinned connection, the first scissor arm locating rack on the hinged lifting table in top of the first scissor arm, the first scissor arm sliding rack of the bottom articulated base assembly slide rail of the first scissor arm; Second scissor arm sliding rack on the hinged lifting table slide rail in top of the second scissor arm, hinged the second scissor arm locating rack be installed on base assembly in the bottom of the second scissor arm; Scissor arm head roll to be sandwiched between the first scissor arm and the second scissor arm and can parallel motion, makes the angle of the first scissor arm and the second scissor arm change and realize the lifting of lifting table;
Belt drive comprises lifting motor, belt, cylinder determined by base belt, tension wheel, first scissor arm slip cylinder, scissor arm head roll, second scissor arm slip cylinder, cylinder determined by platform belt, first scissor arm slip cylinder is arranged at the first scissor arm sliding rack, second scissor arm slip cylinder is arranged at the second scissor arm sliding rack, platform belt is determined cylinder and is arranged at platform belt locating rack on lifting table, base belt is determined cylinder and is arranged at base belt locating rack on base assembly, belt-tightening pulley is arranged at the base belt tension frame on base assembly, belt first end is around in platform belt positioning rolls, pile warp second scissor arm slip cylinder successively, scissor arm head roll, after first scissor arm slip cylinder, belt second end is around in base belt and determines cylinder, base belt is determined cylinder and is driven by lifting motor, belt-tightening pulley compresses belt and carries out tensioning,
Lifting latching device comprises locking motor, crank, pipe link, locking arm and locking bed, locking bed is installed on the locking bed fixed mount of locking bracket by bolt, locking arm has swing arm and locking bolt, the first end of swing arm is articulated with the swing arm installation position of lifting table, second end of swing arm is fixedly connected with the middle part of locking bolt, the first end of locking bolt can be come in and gone out the locking slot of locking bed, second end of locking bolt and the first end of pipe link hinged, second end of pipe link is articulated with crank, crank drive is connected to the dynamical axis of locking motor, when locking motor starts, power is through crank, after pipe link, drive locking bolt around the oscillating axle of swing arm, the first end of locking bolt is made to pass in and out the locked groove of locking bed and realize locking/unblock,
Electric control system comprises control circuit and some to locking detector switch, some to putting inductive switch and deceleration inductive switch, limes superiors position protection switch and smallest limit position protection switch and some to belt broken belt detector switch and tension detect switch in place: locking detector switch detects and exports corresponding lifting latching device and locking bracket locking/unlocking signal, to control locking motor starting/shutdown by control circuit; The inductive switch that puts in place detects and exports corresponding height and to put in place signal, shuts down to control lifting motor by control circuit; Deceleration inductive switch detects and exports corresponding height restriction signal, to control lifting motor at shutdown front reduction gear by control circuit; Limes superiors position guard signal is exported when limes superiors position protection switch detects that lifting table superhigh-lift rises, smallest limit position protection switch detects when the ultralow journey of lifting table declines and exports smallest limit position guard signal, to control lifting motor hard stop by control circuit; Belt broken belt detector switch exports belt broken belt signal when corresponding belt broken belt being detected, exports belt slack signal, to control lifting motor hard stop by control circuit and to be reported to the police by annunciator when tension detect switch detects corresponding belt slack;
In the major loop of the offside halt control mechanism of electric control system, between motor protective circuit breaker and frequency converter, be added with a contactless switch; Limes superiors position protection switch, smallest limit position protection switch are connected in series in the control loop of this contactless switch, and spacing unlock key knob is in parallel with the limes superiors position protection switch of connecting, smallest limit position protection switch;
Frequency converter comprises rectifying circuit, power factor Circuit tuning, filter circuit, inverter circuit and microcontroller circuit and man-machine interface circuit, alternating current is converted to direct current (DC) by rectifying circuit, circuit of power factor correction is connected to the power factor correction end of microcontroller circuit, filter circuit completes galvanic filtering and energy storage, inverter circuit is connected to the drive singal end of microcontroller circuit to complete the conversion of direct current (DC) to alternating current, and microcontroller circuit controls circuit of power factor correction and inverter circuit work according to man-machine interface circuit order;
Inverter circuit comprises power tube driving chip and six power tubes: power tube driving chip is connected to microcontroller circuit, to drive corresponding power tube alternate conduction and shutoff according to the pulse width modulating signal of microcontroller circuit output; Six power tubes are divided into three groups, and every group power controls a phase and exports;
The power equipment supply of electrical control system comprises mains power supply, photovoltaic power supply device and powered by wind energy device, corresponding powering mode can be selected to electric power distribution cabinet power transmission by powering mode transfer device;
Photovoltaic power supply device comprises photovoltaic array, lightning protection junction station, anti-reverse charging circuit, photovoltaic controller, photovoltaic storage battery and photovoltaic DC-to-AC converter, photovoltaic controller has charge circuit, charge and discharge control circuit and discharge circuit, photovoltaic array is through lightning protection junction station, anti-reverse charging circuit is connected to the input end of charge circuit, the mouth of charge circuit is connected to the charging end of photovoltaic storage battery, the discharge end of photovoltaic storage battery is connected to the input end of discharge circuit, the mouth of discharge circuit is connected to photovoltaic DC-to-AC converter, charge and discharge control circuit respectively with the control end of charge circuit, the control end of discharge circuit and the control end of photovoltaic storage battery connect,
Thin-film solar cell panel comprise set gradually from top to bottom the first electro-conductive glass substrate, deposit absorbent layer, cushion layer, conductive silver glue and the second electro-conductive glass substrate, wherein extraction electrode respectively in the first electro-conductive glass substrate and the second electro-conductive glass substrate;
Powered by wind energy device comprises wind turbine, electrical generator, rectifier, DC voltage booster circuit, wind energy inverter, wind energy battery controller, wind energy battery, system controller, lets out energy load controller, lets out energy load and brake device, wherein: wind turbine, electrical generator, rectifier, DC voltage booster circuit, wind energy inverter are in turn connected into power supply main road, to power to AC load; Wind energy battery controller, wind energy battery, wind energy inverter are in turn connected into accumulation of energy branch road, and this wind energy battery controller controls rectifier and charges to wind energy battery, and control wind energy battery discharges to wind energy inverter; Brake device acts on wind turbine dynamical axis; Let out energy load is connected to electrical generator mouth through letting out energy load controller; System controller connects brake device respectively, lets out energy load controller and wind energy battery controller; The collection signal of system controller access wind energy inverter, wind energy battery and wind energy sensor, carrys out the running state of regulating wind power electric supply installation according to loading condition, energy accumulating state and wind velocity condition;
Electric power distribution cabinet comprises tank bracket and some functional modules, and tank bracket is separated into the installing space unit for assembling function module and wiring, and each functional module is installed to the corresponding installing space unit of tank bracket withdrawablely.
Compared with prior art, the invention provides elevator in a kind of material-transporting system and subsystem thereof or parts, effectively can improve the overall performance of jacking equipment, be embodied at least one aspect following: the scissors mechanism adopting belt drive, the motor driven uses cleanliness level good, goes for more extensive environment; Lifting motor adopts converter technique, and rising or falling speed is comparatively steady, and impact load is little; There are lifting locking control mechanism, belt security control mechanism, ascending and descending parking control mechanism, offside halt control mechanism etc., elevator safety performance is improved greatly; Comprehensive application civil power, solar power, wind energy isotype can power, be conducive to energy-conserving and environment-protective; Electric power distribution cabinet commonality is good, easy for installation.This elevator is used for material-transporting system, can transport travelling car easily, and impulse sender impulse sender mounting structure is wherein simple, and reliability is higher.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of elevator of the present invention;
Fig. 2 is the schematic diagram of scissors mechanism of the present invention and belt drive;
Fig. 3 is the schematic diagram that the present invention is elevated latching device;
Fig. 4 is the block scheme of electric control system of the present invention;
Fig. 5 is the schematic diagram of the major loop of the offside halt control mechanism of the present invention;
Fig. 6 is the schematic diagram of the control loop of the offside halt control mechanism of the present invention;
Fig. 7 is the block scheme of frequency converter of the present invention;
Fig. 8 is the circuit diagram of inverter circuit of the present invention;
Fig. 9 is the block scheme of power equipment supply of the present invention;
Figure 10 is the block scheme of photovoltaic power supply device of the present invention;
Figure 11 is thin-film solar cell panel schematic diagram of the present invention;
Figure 12 is the block scheme of powered by wind energy device of the present invention;
Figure 13 is the schematic diagram of electric power distribution cabinet of the present invention;
Figure 14 is the schematic diagram of tank bracket of the present invention;
Figure 15 is the schematic cross-section of column of the present invention;
Figure 16 is the schematic cross-section of muscle in the present invention;
Figure 17 is the schematic diagram of slide rail of the present invention;
Figure 18 is the schematic diagram of functional module of the present invention;
Figure 19 is the schematic diagram of an electric power distribution cabinet of the present invention outlet terminal;
Figure 20 is the schematic cross-section of cable of the present invention;
Figure 21 is the sketch of material-transporting system of the present invention;
Figure 22 is the schematic diagram of impulse sender of the present invention.
Detailed description of the invention
In order to understand know-why and the working process of the embodiment of the present invention better, describe the present invention further below in conjunction with drawings and the specific embodiments.
Fig. 1 ~ Figure 20 is described in detail the application's elevator and subsystem thereof or parts, and Reference numeral identical in figure is expressed as same parts, is described as follows.
See Fig. 1, elevator overall structure of the present invention is shown.This elevator comprises base assembly 1, lifting table 2, scissors mechanism 3, belt drive 4, locking bracket 5, lifting latching device 6 and electric control system (Fig. 1 is not shown), wherein electric control system comprises lifting locking control mechanism, belt security control mechanism, ascending and descending parking control mechanism, the parts such as offside halt control mechanism, the bottom of scissors mechanism 3 is installed on base assembly 1, lifting table 2 is installed at the top of scissors mechanism 3, belt drive 4 can drive the scissor arm variable angle of scissors mechanism 3 to realize lifting, lifting table is lock onto locking bracket 5 by the locking motor starting/stopping that lifting locking control mechanism controls lifting latching device 6, belt security control mechanism is shut down at the lifting motor of belt broken belt or lax alarm and control belt drive 4, ascending and descending parking control mechanism controls belt drive 4 lifting motor when lifting table 2 runs to decelerate position slows down, offside halt control mechanism controls belt drive 4 lifting motor when lifting table 2 runs to end position is shut down.
See Fig. 2, scissors mechanism of the present invention and belt drive are shown.Scissors mechanism 3 comprises the first scissor arm 31, the second scissor arm 32 connected by scissor arm bearing pin 33, first scissor arm sliding rack 12 of the bottom articulated base assembly slide rail 13 of the first scissor arm locating rack 21, first scissor arm 31 on the hinged lifting table 2 in top of the first scissor arm 31; Hinged the second scissor arm locating rack 11 be installed on base assembly 1 in the bottom of the second scissor arm sliding rack 23, second scissor arm 31 on the hinged lifting table slide rail 24 in top of the second scissor arm 32.Scissor arm head roll 45 is sandwiched between the first scissor arm 31 and the second scissor arm 32, this scissor arm head roll 45 can parallel motion under belt drive 4 drives, the angle of the first scissor arm 31 and the second scissor arm 32 is changed, realizes the lifting of lifting table 2.
Especially, the inner side that the inner side of the first scissor arm 31 is provided with the first scissor attached plate 311, second scissor arm 32 arranges the second scissor attached plate 321, the convex globoidal of the first scissor attached plate 311 and the convex globoidal of the second scissor attached plate 321 are arranged in opposite directions, scissor arm head roll 45 is sandwiched between the convex globoidal of the convex attached plate of the first scissor 311 and the convex globoidal of the convex attached plate 321 of the second scissor, scissor arm in the vertical direction can be made like this to become linear uniform motion, the final steady lifting ensureing lifting table 2.
As shown in Figure 2, the first scissor arm sliding rack 12 is arranged on the first scissor arm slip cylinder 44, second scissor arm sliding rack 23 and second scissor arm slip cylinder 46 is installed.Lifting table 2 is arranged platform belt locating rack 22, platform belt locating rack 22 arranges platform belt and determines cylinder 47.Base assembly 1 upper bed-plate belt locating rack 14 arranges base belt and determines cylinder 42, base assembly 1 upper bed-plate belt tension frame 15 arranges belt-tightening pulley 43.
As shown in Figure 2, belt drive 4 determines cylinder 42 by lifting motor M, belt 41, base belt, tension wheel 43, first scissor arm slip cylinder 44, scissor arm head roll 45, second scissor arm slip cylinder 46, platform belt determine cylinder 47 etc. and form.Belt 41 first end is around in platform belt positioning rolls 47, successively after pile warp second scissor arm slip cylinder 46, scissor arm head roll 45, first scissor arm slip cylinder 44, belt second end is around in base belt and determines cylinder 42, base belt is determined cylinder 42 and is driven by lifting motor M, and belt-tightening pulley 43 compresses belt 41 to carry out tensioning.Folding and unfolding belt 41 when motor M is rotated, drives scissor arm head roll 45 parallel motion thus, the angle of the first scissor arm 31 and the second scissor arm 32 is changed, finally realizes the lifting of lifting table 2.
See Fig. 3, illustrate that the present invention is elevated latching device.This lifting latching device comprises locking motor M1, crank 61, pipe link 62, locking arm 63 and locking bed 64, locking bed 64 is installed on the locking bed fixed mount 51 of locking bracket 5 by bolt, locking arm 63 has swing arm 632 and locking bolt 631, the first end of swing arm 632 is articulated with the swing arm installation position of lifting table 2, second end of swing arm 632 is fixedly connected with the middle part of locking bolt 631, the first end of locking bolt 631 can be come in and gone out the locking slot 641 of locking bed 64, second end of locking bolt 631 and the first end of pipe link 62 hinged, second end of pipe link 62 is articulated with crank 61, crank 61 is in transmission connection in the dynamical axis of locking motor M1.When locking motor M1 starts, power, after crank 61, pipe link 62, drives locking bolt 631 around the oscillating axle of swing arm 632, makes the locked groove 641 of the first end turnover locking bed 64 of locking bolt 631 thus and realizes locking/unblock.Especially, the first end of locking bolt 631 preferably adds guide wheel 633, so that the first end of locking bolt 631 successfully passes in and out the locked groove 641 of locking bed 64.
As shown in Figure 3, pipe link 62 is made up of the first coupling link bolt 623, intermediate connecting sleeve 622, second coupling link bolt 621, the thread end of the first coupling link bolt 623, the thread end of the second coupling link bolt 621 are threaded with intermediate connecting sleeve 622 respectively, the ring end of the first coupling link bolt 623 and the second end of locking bolt 631 hinged, the ring end of the second coupling link bolt 621 and the first end of crank 61 hinged, the length of whole pipe link 62 can be regulated so easily.
See Fig. 4, the general frame of electric control system of the present invention is shown.As shown in Figure 4, scissors fork elevating electrical-mechanical control system comprises locking detector switch K1 ~ K4, put in place inductive switch D1 ~ D3, deceleration inductive switch J1 ~ J3, limit position protection switch X1 ~ X2, belt broken belt detector switch P1 ~ P4, tension detect switch Z1 ~ Z4, control circuit PLC, locking motor M1, the parts such as lifting motor M and annunciator B, the installation site of each switch is as shown in Fig. 3 ~ Fig. 4, they are electrically connected to control circuit PLC, form lifting locking control mechanism thus, ascending and descending parking control mechanism, offside halt control mechanism and belt security control mechanism etc., to control locking motor M1, lifting motor M and annunciator B corresponding actions, further describe as follows.
Lifting locking control mechanism: left side locking detector switch to K1, K2 for detecting left side lifting latching device and whether left side locking bracket is locked and put in place; right side locking detector switch to K3, K4 for detecting right side lifting latching device and whether right side locking bracket is locked and put in place; these two groups locking detector switches are sent to control circuit PLC to by locking/unlocking signal, start so that control circuit PLC controls locking motor M1/shut down.
Ascending and descending parking control mechanism: first put in place inductive switch D1 detect lifting table whether be elevated to first height (low level) position; export first highly to put in place signal when putting in place; second put in place inductive switch D2 detect lifting table whether be elevated to the second height and position; export second highly to put in place signal when putting in place; 3rd put in place inductive switch D3 detect lifting table whether be elevated to third high degree position; export third high degree to put in place signal when putting in place, and control lifting motor M by control circuit PLC and shut down.Corresponding to above-mentioned three height and positions, the decelerate position of corresponding height is set, first deceleration inductive switch J1 detects lifting table and whether enters the first High deceleration position, the first High deceleration signal is exported when entering, second deceleration inductive switch J2 detects lifting table and whether enters the second High deceleration position, the second High deceleration signal is exported when entering, 3rd deceleration inductive switch J3 detects lifting table and whether enters third high degree decelerate position, third high degree restriction signal is exported when entering, and control lifting motor M at shutdown front reduction gear by control circuit PLC, greater impact is produced during to prevent from shutting down.Especially, the detecting position of each height all arranges two position inductive switches and two deceleration inductive switches, also normally can detect the position of elevator wherein, improve the stability of equipment thus when a switching damage, reduces equipment failure rate.
Offside halt control mechanism: smallest limit position protection switch X1 detects the whether ultralow journey of lifting table and declines; smallest limit position guard signal is exported when arriving ultralow journey position; limes superiors position protection switch X2 detects lifting table, and whether superhigh-lift rises; limes superiors position guard signal is exported when arriving superhigh-lift position; and control lifting motor M hard stop by control circuit PLC, to avoid producing safety misadventure.
Belt security control mechanism: belt broken belt detector switch detects corresponding belt whether broken belt respectively to P1, P2, P3, P4; belt broken belt signal is exported when certain belt broken belt; then control lifting motor M hard stop by control circuit PLC, and reported to the police by annunciator B.In addition, whether tension detect Switch Controller Z1, Z2, Z3, Z4 detect corresponding belt respectively and relax, and export belt slack signal when certain belt slack, then control lifting motor M hard stop by control circuit PLC, and are reported to the police by annunciator B.
The present invention comprehensively adopts above-mentioned electric control system, and each detector switch can detect output corresponding signal in time, ensures the running state according to predetermined policy elevator thus, thus ensures ideal safety performance.Below further the part body of electric control system is described.
See Fig. 5 ~ Fig. 6, the schematic diagram of offside halt control mechanism of the present invention is shown.This offside halt control mechanism comprises frequency converter VF, contactless switch KM and motor protective circuit breaker QF, contactless switch KM has major loop and control loop, and the major loop of lifting motor M, frequency converter VF, contactless switch KM, motor protective circuit breaker QF, power equipment supply connect successively; After limes superiors position protection switch X2, smallest limit position protection switch X1 series connection, be connected in the control loop of contactless switch KM.Especially, arrange spacing unlock key knob SB, this spacing unlock key knob SB is in parallel with the limes superiors position protection switch X2 connected, smallest limit position protection switch X1.
In the present invention; the terminal 1-6 of motor protective circuit breaker QF; three groups of major loop terminals 1,2 of contactless switch KM and control loop terminal A1, A2; terminal R, S, T, V, W, PE of frequency converter VF; the terminal 11,12 of position limitation protection switch X1, X2; and the terminal 13,14 of spacing unlock key knob SB is connected according to Fig. 5 with Fig. 6, no longer specifically launches explanation.
Instantly after position limitation protection switch X1 or upper limit protection switch X2 is triggered, directly cut off the coil power of contactless switch KM, contactless switch KM discharges, and cuts off the power supply in frequency converter VF loop thus, thus stops the operation of lifting motor M fast; After this, can be unlocked by rotary stopper unlock key knob SB.This mode, decrease the intermediate link of process limit signal, time fault is occurred, motor can stop at once, avoids the damage of equipment and the injures and deaths of personnel.
See Fig. 7, the block scheme of frequency converter of the present invention is shown.This frequency converter comprises the parts such as rectifying circuit VF1, power factor Circuit tuning VF2, filter circuit VF3, inverter circuit VF4 and microcontroller circuit VF5, man-machine interface circuit VF6, wherein: rectifying circuit VF1 is preferably full bridge rectifier, its alternating current AC is converted to direct current (DC); Circuit of power factor correction VF2 is made up of power semiconductor and control chip, and it is also connected to the power factor correction end of microcontroller circuit VF5, and effect makes received current close to sinusoidal waveform, reduces mains by harmonics content, realizes the object improving power factor; Filter circuit VF3 is preferably RC filter circuit, and it completes galvanic filtering and energy storage effect; Inverter circuit VF4 is made up of power model and driving circuit, and power model can be Intelligent Power Module, and it is also connected to the drive singal end of described microcontroller circuit, and it completes the conversion of direct current (DC) to three plase alternating current AC, realizes frequency modulation and voltage modulation object; Microcontroller circuit VF5 is made up of microprocessor (DSP) and peripheral circuit; its order of sending according to man-machine interface circuit VF6; send corresponding command signal; control circuit of power factor correction VF2 and inverter circuit VF4 to work; and according to electronic feedback information, carry out necessary circuit protection and fault handling.Like this, this embodiment controls the output mode of driver module by microcontroller circuit, is conducive to neatly by pre-provisioning request output voltage, thus meets the demand of different user.
See Fig. 8, the block scheme of inverter circuit of the present invention is shown.This inverter circuit comprises power tube driving chip, and this power tube driving chip is connected to microcontroller circuit (MCU/DSP), so that the pulse width modulating signal exported according to microcontroller circuit, drives corresponding power tube alternate conduction and shutoff.Concrete, described inverter circuit comprises six power tube Q1 ~ Q6, and these six power tubes are divided into three groups, and every group power controls a phase and exports.
The concrete connection mode of each power tube is: the source electrode of power tube Q1, Q2, Q3 connects one end of direct supply jointly, the drain electrode of power tube Q4, Q5, Q6 connects the other end of direct supply jointly, the point of connection of the drain electrode of power tube Q1 and the source electrode of power tube Q4 connects the U phase terminal of AC load (as motor), the point of connection of the drain electrode of power tube Q2 and the source electrode of power tube Q5 connects the V phase terminal of AC load, and the drain electrode of power tube Q3 and the source electrode point of connection of power tube Q6 connect the W phase terminal of frequency converting air-conditioner compressor AC load; The grid of power tube Q1, Q2, Q3, Q4, Q5, Q6 connects a mouth of power tube driving chip respectively, and each input end of this power tube driving chip controls by output pulse width conditioning signal PWM1, PWM2, PWM3, PWM4, PWM5, PWM6 Zhong mono-tunnel of microcontroller circuit respectively.Corresponding access diode L1 ~ l6 between the source electrode of these six power tube Q1 ~ Q6 and drain electrode.
Microprocessor produces corresponding 6 road pulse width modulating signals, i.e. six drive singal PWM1 ~ PWM6 according to the operation rule of setting; 6 power tube (MOSFET or IGQT) Q1 ~ Q6 of inverter circuit are driven by power tube driving chip; The alternate conduction of these power tubes and shutoff, produce three-phase modulations waveform, output voltage is adjustable, the three plase alternating current of changeable frequency, and U, V, W terminals of three-phase electricity winding are connected to respective quadrature current load and run to drive it.
The power equipment supply of the power equipment supply electrical control system of the electric control system of elevator of the present invention comprises mains power supply, photovoltaic power supply device and powered by wind energy device, corresponding powering mode can be selected to electric power distribution cabinet power transmission by powering mode selecting arrangement, to realize the object of environmental protection and energy saving.
See Fig. 9, power equipment supply overall structure of the present invention is shown.This power equipment supply 7 comprises mains power supply 71, photovoltaic power supply device 72, powered by wind energy device 73, powering mode transfer device 74 and electric power distribution cabinet 75, mains power supply 71, photovoltaic power supply device 72, powered by wind energy device 73 are connected to the input end of powering mode transfer device 74 respectively, electric power distribution cabinet 75 is connected to the mouth of powering mode transfer device 74, and the power lead of AC load 8 (comprising lifting motor M, locking motor M1 etc.) is connected to the outlet terminal of electric power distribution cabinet 75.Powering mode transfer device 74, according to power supply state and the transmission of electricity of condition of loading conversion powering mode, can ensure that AC load is run better, is also conducive to the object realizing energy-conserving and environment-protective like this.
See Figure 10, the composition of photovoltaic power supply device of the present invention is shown.This photovoltaic power supply device 72 comprises photovoltaic array 721, lightning protection junction station 722, anti-reverse charging circuit 723, photovoltaic controller 724, photovoltaic storage battery 725 and photovoltaic DC-to-AC converter 726, photovoltaic controller 724 has charge circuit 7241, charge and discharge control circuit 7242 and discharge circuit 7243, photovoltaic array 721 is through lightning protection junction station 722, anti-reverse charging circuit 723 is connected to the input end of charge circuit 721, the mouth of charge circuit 7241 is connected to the charging end of photovoltaic storage battery 725, the discharge end of photovoltaic storage battery 725 is connected to the input end of discharge circuit 7243, the mouth of discharge circuit 7243 is connected to photovoltaic DC-to-AC converter 726, charge and discharge control circuit 7242 respectively with the control end of charge circuit 7241, the control end of discharge circuit 7243 and the control end of photovoltaic storage battery 725 connect.
In the present invention, photovoltaic array 721 can be some thin-film solar cell panels, it is arranged on the place that energy maximal efficiency absorbs sunshine, solar power is converted to electric energy, and pass through charge circuit 7241 by electrical power storage to photovoltaic storage battery 725, photovoltaic storage battery 725 exports direct current (DC) for DC load by discharge circuit 724, and the direct current (DC) that discharge circuit 724 exports is converted to alternating current for AC load by photovoltaic DC-to-AC converter 726.The state of charge and discharge control circuit 7242 Real-Time Monitoring photovoltaic storage battery 725, when photovoltaic storage battery 725 is full of electricity, controls to disconnect charge circuit 7241, in order to avoid there is the phenomenon that photovoltaic storage battery 725 overcharges; When photovoltaic storage battery 725 electricity is not enough, control to disconnect discharge circuit 7243, in order to avoid occur that photovoltaic storage battery 725 crosses the phenomenon of putting, to extend the service life of photovoltaic storage battery 725.
In the present invention, access photovoltaic conflux device 2 between the charge circuit 7241 of photovoltaic array 721 and photovoltaic controller 724, it both may be used for the voltage and current in observation circuit, also had the effects such as lightning protection.In addition, be also connected with anti-reverse charging circuit 723 between the charge circuit 7241 of photovoltaic conflux device 722 and photovoltaic controller 724, it can be set to diode, and the characteristic of diode unilateral conduction can be utilized thus to prevent photovoltaic storage battery 725 reverse charging.
See Figure 11, the schematic diagram of thin-film solar cell panel of the present invention is shown.This thin-film solar cell panel comprises the first electro-conductive glass substrate 7211, deposit absorbent layer 7212 (being preferably semiconductor nano material to make), the cushion layer that set gradually from top to bottom and (is preferably In
2s
3material is made) 7213, conductive silver glue 7214 and the second electro-conductive glass substrate 7215, wherein extraction electrode is distinguished in the first electro-conductive glass substrate 7211 and the second electro-conductive glass substrate 7215, be generally: the first electro-conductive glass substrate 7211 is set to positive pole, the second electro-conductive glass substrate 7215 is set to negative pole.Above-mentioned each layer specification is: the first electro-conductive glass substrate 7211, second electro-conductive glass substrate 7215 is 60mm, and width is 20mm, and thickness is 3mm; Deposit absorbent layer 7212 length is 55mm, and width is 18mm, and thickness is 3 × 10
-3mm; Cushion layer 7213, length is 55mm, and width is 18mm, and thickness is 5 × 10
-3mm; The length of conductive silver glue 7214 is 55mm, and width is 18mm, and thickness is 3 × 10
-3mm, this structure contributes to the performances such as the voltage of raising battery.
See Figure 12, the block scheme of powered by wind energy device of the present invention is shown.This powered by wind energy device by wind turbine 7314, electrical generator 7313, rectifier 7312, DC voltage booster circuit 7319, wind energy inverter 7310, wind energy battery controller 739, wind energy battery 731, system controller 7315, let out can load controller 7317, let out can load 7318, brake device 7316 etc. form, wherein: wind turbine 7314, electrical generator 7313, rectifier 7312, DC voltage booster circuit 7319, wind energy inverter 7310 are in turn connected into power supply main road, to power to AC load; Wind energy battery controller 739, wind energy battery 731, wind energy inverter 7310 are in turn connected into accumulation of energy branch road, and this wind energy battery controller 739 controls rectifier 7312 and charges to wind energy battery 731 and control wind energy battery 731 and discharge to wind energy inverter 7310; Brake device 7316 acts on wind turbine 7314 dynamical axis; Let out energy load 7318 is connected to electrical generator 7313 mouth through letting out energy load controller 7317; System controller 7315 connects brake device 7316 respectively, letting out can load controller 7317 and wind energy battery controller 739, so as to control brake device 7316 brake, let out can load 7318 let out can and wind energy battery 731 charge; This system controller 7315 accesses the collection signal of wind energy inverter 7310, wind energy battery 731 and wind energy sensor, to the running state carrying out regulating wind power electric supply installation according to loading condition, energy accumulating state and wind velocity condition.
The incision wind speed of wind turbine running is reached for wind speed, and when not exceeding cut-out wind speed, in stable work wind speed, system controller carrys out the state transfer energy of master cock T01 ~ T05 according to the threshold value of wind velocity condition, load current threshold, wind energy battery, mainly comprises following several situation (as shown in figure 12):
(1) wind turbine → electrical generator → rectifier → DC voltage booster circuit → wind energy inverter → AC load.
(2) circuit 1: wind turbine → electrical generator → rectifier → DC voltage booster circuit → wind energy inverter → AC load; Circuit 2: wind turbine → electrical generator → rectifier → wind energy battery (charging); Circuit 3: wind turbine → electrical generator → let out energy load; Circuit 4: wind turbine → brake device.
(3) circuit 5: wind turbine → electrical generator → rectifier → DC voltage booster circuit → wind energy inverter → AC load; Circuit 6: wind energy battery (electric discharge) → DC voltage booster circuit → wind energy inverter → AC load.
(4) wind energy battery (electric discharge) → DC voltage booster circuit → wind energy inverter → AC load.
If calm and wind speed is excessive, exceed the maximum wind speed that aerogenerator bears, will mechanical braking device be started at that time, wind turbine is pinned, to protect wind generator system.
See Figure 13, the schematic diagram of electric power distribution cabinet of the present invention is shown.This electric power distribution cabinet 75 comprises tank bracket 751 and some functional modules 752 (can install master cock, control convenience etc.), tank bracket 751 is separated into the installing space unit for assembling function module and wiring, each functional module 752 is installed to the corresponding installing space unit of tank bracket 751 withdrawablely, and functional module 752 is specifically installed in the corresponding installing space unit of tank bracket 751 by sliding track mechanism.
See Figure 14, tank bracket schematic diagram of the present invention is shown.This tank bracket comprises the parts such as column 7511, crossbeam 7512, interior muscle 7533, slide rail 7515, top board (scheming not shown), base plate 7516, wherein: form installing space unit 7514 by many root posts 7511 and Duo Gen crossbeam 7512; Further, column 7511 and crossbeam 7512 offer the mounting hole of plurality of specifications.The left and right side of this installing space unit 7514 is provided with multipair slide rail 7515, in order to assemble prefabricated functional module.Between the adjacent upright posts 7511 of installing space unit, the some interior muscle 7513 of horizontally set, contribute to reinforcing above-mentioned skeleton; Meanwhile, interior muscle 753 offers some mounting holes, be convenient at parts such as the folder of installation wiring above or bus ducts.Like this, column 7511 and the relative position of crossbeam 7512 can be adjusted as required easily, adjust the size of installing space unit thus, thus the requirement of different control convenience and wire laying mode can be met.
See Figure 15, electric power distribution cabinet tank bracket column cross section of the present invention is shown.This column 7511 cross section is preferably " mouth " font of half sealing, it suppresses the first sealing wall 75111, the first side wall 75112 continuously by sheet metal, diapire 75113, second sidewall 75114 and the second sealing wall 75115, first seal between wall 75111 and the second sealing wall 75115 and leave opening 75116.Can the mounting hole of prefabricated some specifications on each sidewall, to adjust the installation site of slide rail 7515, interior muscle 7513 etc. when needing, finally fix with the gauge member such as screw, bolt, thus the installing space unit of formation specific standard.
See Figure 16, muscle cross section in electric power distribution cabinet tank bracket of the present invention is shown.The preferred U in this interior muscle 7513 cross section " type; this interior muscle 7513 suppresses interior muscle roof 75131, interior muscle sidewall 75132, interior muscle diapire 75133 continuously by sheet metal; wherein, muscle roof 75131 and interior muscle diapire 75133 offer some mounting holes; interior muscle sidewall 75132 offers some oblong slots, in order to parts such as installation wiring folder or bus ducts.
See Figure 17, the slide rail schematic diagram of electric power distribution cabinet of the present invention is shown.This slide rail 7515 is suppressed by a sheet metal and is formed, and concrete structure is: form a chute by slide rail top board 75153, slide rail side plate 75152 and slide rail base plate 75154, wherein can embed the separation base plate of functional module; The front end of slide rail side plate 75152 arranges front hangers 75151, and the rear end of slide rail side plate 75152 arranges rear hangers 75155; Front hangers 75151 and rear hangers 75155 offer 2 mounting holes, respectively to be fixed on tank bracket 751 by slide rail 7515 with gauge members such as screws.
As shown in figure 17, slide rail top board 75153 and base plate 75154, front hangers 75151 and rear hangers 75155 lay respectively at the not homonymy of slide rail side plate 75152, that is: slide rail top board 75153 and slide rail base plate 75154 are positioned at the inner side of slide rail side plate 75152; Front hangers 75151 and rear hangers 75155 are positioned at the top side of slide rail side plate 75152.In addition, the length of slide rail top board 75153 is less than the length of slide rail base plate 75154, simultaneously offers 2 fixed orifices respectively in two ends of slide rail side plate 75152, so that with the separation base plate of the gauge member fixed function modules such as screw.
Above-mentioned slide rail 7515 should use in pairs, and they are installed on the sustained height position of tank bracket 751, and chute is arranged in opposite directions.During use, the separation base plate both sides of functional module 752 embed in corresponding chute respectively, thus form a slide mechanism, can install easily thus, disassembling function module.
See Figure 18, the high-level schematic functional block diagram of electric power distribution cabinet of the present invention is shown.This functional module 752 comprises installation unit, some outlet terminals 7522, the primary element 7525 be fixed on installation unit, the inlet wire conductor, outlet conductor and the secondary line that are connected with primary element 7525 respectively, and wherein installation unit is installed on tank bracket 751 by slide rail 7515.
Particularly, installation unit is made up of parts such as separating base plate 7521, rear bulkhead 7523, some detail assembly panels 7526, secondary terminals adapter plate 7524, secondary control and testing board 7527, concrete assembling mode is as follows: the both sides of separating base plate 7521 are installed on tank bracket 751 by slide rail 7515, thus make installation unit can insert, extract out, this separation base plate 7521 is provided with array louvre (groove) and ensures that primary element heat radiation is good; Rear bulkhead 7523 is substantially vertical is fixed on the end face separating base plate 7521 position rearward, offers some mounting holes and slot installs the parts such as outlet terminal 7552, detail assembly panel 7526, a secondary terminals adapter plate 7524 respectively above it; Be arranged on rear bulkhead 7523, its installation site is positioned at the right side of secondary terminals adapter plate 7524, certainly also can be arranged at other position outlet terminal 7522 penetration type, mainly depending on separating the position of mounting hole on base plate 7521; Secondary terminals adapter plate 7524 is installed vertically on the middle part of rear bulkhead 7523 in order to install the secondary outlet terminal of primary element 7525, for ease of secondary connection, preferably this secondary terminals adapter plate 7524 is fixed on the rear side of rear bulkhead 7523, namely towards tank bracket 751 back side; Detail assembly panel 7526 has different size, some primary element prefabricated can be required above according to user, this detail assembly panel 7526 is removably assemblied in be separated on base plate 7521 or on rear bulkhead 7523, in the present embodiment, removably level is installed on the top position of rear bulkhead 7523, its installation site is positioned at the left side of secondary terminals adapter plate 7524, other position can certainly be installed on, mainly depending on slot position on rear bulkhead 7523 according to actual conditions; Secondary control and testing board 7527 is installed vertically on the top, front side of separating base plate 7521, its specification is less than the width separating base plate 7521, this secondary control and testing board 7527 installs some instrument buttons, is separately also provided with some monitoring forms so that by the running condition about primary element in instrumental observation electric power distribution cabinet.
In the present invention, the separation base plate 7521 of functional module, rear bulkhead 7523, secondary terminals adapter plate 7524, outlet terminal 7522 and secondary control and testing board 7527 adopt standardized designs, and its profile and installation site do not change; And detail assembly panel 7526 has different size, adapt to dissimilar and element that is producer by the size changing detail assembly panel 7526, thus realize the prefabricated of scale.Because it doesn't matter for these modular members and tank bracket, therefore can in advance primary element 7525, inner secondary line, line, an instrument button etc. be pre-installed on modular installation unit.
During assembling, the separation base plate 7521 of functional module 752 is inserted on the slide rail 7515 assembled, after being in place, using fastener (as screw, nut and rivet, pulling rivet etc.) to be locked with slide rail 7515 by the separation base plate 7521 of functional module 752 further.Like this, by slide mechanism practical function module 752 connection and positioning with tank bracket 751, realize once being connected of primary element 7525 and user equipment by a special outlet terminal 7522.
Be understandable that, separate base plate 7521 and be also installed on tank bracket 751 by the slide mechanism of other type, such as: be made up of the chute of the side being arranged at the slide rail separating base plate 7521 lateral margin and the tank bracket being arranged at fixing cellular-type electric power distribution cabinet; Or, adopt contrary mode, be namely made up of the slide rail of the side being arranged at the chute separating base plate 7521 lateral margin and the tank bracket being arranged at fixing cellular-type electric power distribution cabinet.And for example, slide mechanism is made up of the slide rail being installed on the some pulleys separating base plate 7521 lateral margin and the tank bracket side being arranged at fixing cellular-type electric power distribution cabinet; Or, slide rail is arranged at the lateral margin separating base plate 7521, some pulleys is installed on the side of the tank bracket of fixing cellular-type electric power distribution cabinet.
See Figure 19, an outlet terminal schematic diagram of electric power distribution cabinet of the present invention is shown.This outlet terminal 7522 is a rod hammer structure, specifically comprises installation portion 75223 and is positioned at first terminals 75221 and second terminals 75222 at installation portion 75223 two ends, wherein: the first terminals 75221 offer the first wiring hole 752211; Second terminals 75222 offer the second wiring hole 752221; Installation portion 75223 is provided with subpanel 752231, and subpanel 752231 offers multiple mounting hole 752232.During assembling, by subpanel 752231, an outlet terminal 7522 is installed on the rear bulkhead 7523 of electric power distribution cabinet functional module 752, afterwards just can wiring on the first connection terminal 75221 and the second connection terminal 75222 as required, use very convenient, safe reliability is better.
As shown in figure 19, the inner side of this outlet terminal subpanel 752231 is provided with some reinforced ribs 75224, ensure subpanel 752231 be fixed on functional module rear bulkhead securely, certainly, also in the medial and lateral of subpanel 752231, all reinforced rib can be set.An above-mentioned outlet terminal can make an entirety with forging type, also can assemble after independent for installation portion 75223, first connection terminal 75221, second connection terminal 75222 manufacture again.Such as, installation portion 75223 manufactures separately, and an installation portion centre hole is offered in position, intermediate portion; And the first terminals 75221 and the second terminals 75222 are the two ends of a touch block, touch block runs through installation portion centre hole and fixes.In addition, a locking hole 752233 can be offered further on installation portion 75223, wherein can the locking piece such as rigging screw with fastening touch block.
In the present invention, power equipment supply but wiring between component part is shielding type cable, can eliminate interference preferably, below further illustrate.
See Figure 20, represent the concrete structure of cable of the present invention.Be provided with many heart yearns 765 in the external protection 761 of this shielding type cable 76, wherein every root heart yearn is enclosed with inner protective layer 763; Especially, in external protection, 761 layers are provided with cable shield 762, and the inner side of inner protective layer 763 is provided with heart yearn screen layer 764.
Because the heart yearn of shielding type cable 76 and cable self all arrange screen layer, the interference in interference between heart yearn and the external world can be suppressed, specifically: the heart yearn of shielding type cable all devises heart yearn screen layer, the electromagnetic radiation being conducive to suppressing to produce between heart yearn, electrostatic coupling and electromagnetic induction; Cable self arranges cable shield, is conducive to suppressing outside electromagnetic interference.
Elevator of the present invention can be applicable to material-transporting system, so that material transported by travelling car, further illustrates as follows.
See Figure 21, the sketch of material-transporting system of the present invention is shown.This material-transporting system comprises track R, some travelling car T and elevator E with diff-H, travelling car T is carried on track R and runs, elevator E is arranged at the lifting station of material-transporting system, runs travelling car T is transported to another height track from a height track.
Generally speaking; in the process of travelling car T convey materials, need to arrange impulse sender at some stations, so that when travelling car T moves into place; send corresponding signal to control the circulation line of travelling car T start-stop or change travelling car T, below impulse sender citing is described.
See Figure 22, the schematic diagram of impulse sender of the present invention is shown.Impulse sender 9 is arranged on the some default station of material-transporting system, travelling car T is arranged and sends out a number plate 10, and impulse sender 9 coordinates with a number plate 10 and sends travelling car control signal, to determine start-stop and the running route of travelling car.
In the present embodiment, impulse sender 9 is preferably infrared reflection photoelectric switch, and this reflective photoelectric switch comprises photoelectric switch body 91 and reflecting plate 92, wherein: projector and receptor are housed in photoelectric switch body 91; Expelling plate 92 is positioned at the front of photoelectric switch body 91; Sending out number plate 10 can cut between photoelectric switch body 91 and reflecting plate 92, triggers reflective photoelectric switch action by blocking the light path of projector and receptor.
Impulse sender 9 in the present invention configures U-shaped support 93, it is fixed on the track R of material-transporting system, photoelectric switch body 91 is positioned at the lateral wall (away from rail side) of U-shaped support 93, reflecting plate 92 is positioned at the madial wall (near rail side) of U-shaped support 93, and this photoelectric switch body 91 and reflecting plate 92 are oppositely arranged.Send out number plate 10 for being installed on the L-type plate on travelling car T, this L-type plate erects wall and can be cut between photoelectric switch body 91 in U-shaped support and reflecting plate 92, triggers impulse sender 9 action thus, and this impulse sender mounting structure is simple, and reliability is higher.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, the scope that therefore protection scope of the present invention should define with the claims in the present invention is as the criterion.
Claims (10)
1. an elevator, is characterized in that, comprises base assembly, lifting table, scissors mechanism, belt drive, locking bracket, lifting latching device and electric control system, wherein:
Scissors mechanism comprises the first scissor arm, the second scissor arm by scissor arm pinned connection, the first scissor arm locating rack on the hinged lifting table in top of the first scissor arm, the first scissor arm sliding rack of the bottom articulated base assembly slide rail of the first scissor arm; Second scissor arm sliding rack on the hinged lifting table slide rail in top of the second scissor arm, hinged the second scissor arm locating rack be installed on base assembly in the bottom of the second scissor arm; Scissor arm head roll to be sandwiched between the first scissor arm and the second scissor arm and can parallel motion, makes the angle of the first scissor arm and the second scissor arm change and realize the lifting of lifting table;
Belt drive comprises lifting motor, belt, cylinder determined by base belt, tension wheel, first scissor arm slip cylinder, scissor arm head roll, second scissor arm slip cylinder, cylinder determined by platform belt, first scissor arm slip cylinder is arranged at the first scissor arm sliding rack, second scissor arm slip cylinder is arranged at the second scissor arm sliding rack, platform belt is determined cylinder and is arranged at platform belt locating rack on lifting table, base belt is determined cylinder and is arranged at base belt locating rack on base assembly, belt-tightening pulley is arranged at the base belt tension frame on base assembly, belt first end is around in platform belt positioning rolls, pile warp second scissor arm slip cylinder successively, scissor arm head roll, after first scissor arm slip cylinder, belt second end is around in base belt and determines cylinder, base belt is determined cylinder and is driven by lifting motor, belt-tightening pulley compresses belt and carries out tensioning,
Lifting latching device comprises locking motor, crank, pipe link, locking arm and locking bed, locking bed is installed on the locking bed fixed mount of locking bracket by bolt, locking arm has swing arm and locking bolt, the first end of swing arm is articulated with the swing arm installation position of lifting table, second end of swing arm is fixedly connected with the middle part of locking bolt, the first end of locking bolt can be come in and gone out the locking slot of locking bed, second end of locking bolt and the first end of pipe link hinged, second end of pipe link is articulated with crank, crank drive is connected to the dynamical axis of locking motor, when locking motor starts, power is through crank, after pipe link, drive locking bolt around the oscillating axle of swing arm, the first end of locking bolt is made to pass in and out the locked groove of locking bed and realize locking/unblock,
Electric control system comprises control circuit and some to locking detector switch, some to putting inductive switch and deceleration inductive switch, limes superiors position protection switch and smallest limit position protection switch and some to belt broken belt detector switch and tension detect switch in place: locking detector switch detects and exports corresponding lifting latching device and locking bracket locking/unlocking signal, to control locking motor starting/shutdown by control circuit; The inductive switch that puts in place detects and exports corresponding height and to put in place signal, shuts down to control lifting motor by control circuit; Deceleration inductive switch detects and exports corresponding height restriction signal, to control lifting motor at shutdown front reduction gear by control circuit; Limes superiors position guard signal is exported when limes superiors position protection switch detects that lifting table superhigh-lift rises, smallest limit position protection switch detects when the ultralow journey of lifting table declines and exports smallest limit position guard signal, to control lifting motor hard stop by control circuit; Belt broken belt detector switch exports belt broken belt signal when corresponding belt broken belt being detected, exports belt slack signal, to control lifting motor hard stop by control circuit and to be reported to the police by annunciator when tension detect switch detects corresponding belt slack;
In the major loop of the offside halt control mechanism of electric control system, between motor protective circuit breaker and frequency converter, be added with a contactless switch; Limes superiors position protection switch, smallest limit position protection switch are connected in series in the control loop of this contactless switch, and spacing unlock key knob is in parallel with the limes superiors position protection switch of connecting, smallest limit position protection switch;
Frequency converter comprises rectifying circuit, power factor Circuit tuning, filter circuit, inverter circuit and microcontroller circuit and man-machine interface circuit, alternating current is converted to direct current (DC) by rectifying circuit, circuit of power factor correction is connected to the power factor correction end of microcontroller circuit, filter circuit completes galvanic filtering and energy storage, inverter circuit is connected to the drive singal end of microcontroller circuit to complete the conversion of direct current (DC) to alternating current, and microcontroller circuit controls circuit of power factor correction and inverter circuit work according to man-machine interface circuit order;
Inverter circuit comprises power tube driving chip and six power tubes: power tube driving chip is connected to microcontroller circuit, to drive corresponding power tube alternate conduction and shutoff according to the pulse width modulating signal of microcontroller circuit output; Six power tubes are divided into three groups, and every group power controls a phase and exports;
The power equipment supply of electrical control system comprises mains power supply, photovoltaic power supply device and powered by wind energy device, corresponding powering mode can be selected to electric power distribution cabinet power transmission by powering mode transfer device;
Photovoltaic power supply device comprises photovoltaic array, lightning protection junction station, anti-reverse charging circuit, photovoltaic controller, photovoltaic storage battery and photovoltaic DC-to-AC converter, photovoltaic controller has charge circuit, charge and discharge control circuit and discharge circuit, photovoltaic array is through lightning protection junction station, anti-reverse charging circuit is connected to the input end of charge circuit, the mouth of charge circuit is connected to the charging end of photovoltaic storage battery, the discharge end of photovoltaic storage battery is connected to the input end of discharge circuit, the mouth of discharge circuit is connected to photovoltaic DC-to-AC converter, charge and discharge control circuit respectively with the control end of charge circuit, the control end of discharge circuit and the control end of photovoltaic storage battery connect,
Thin-film solar cell panel comprise set gradually from top to bottom the first electro-conductive glass substrate, deposit absorbent layer, cushion layer, conductive silver glue and the second electro-conductive glass substrate, wherein extraction electrode respectively in the first electro-conductive glass substrate and the second electro-conductive glass substrate;
Powered by wind energy device comprises wind turbine, electrical generator, rectifier, DC voltage booster circuit, wind energy inverter, wind energy battery controller, wind energy battery, system controller, lets out energy load controller, lets out energy load and brake device, wherein: wind turbine, electrical generator, rectifier, DC voltage booster circuit, wind energy inverter are in turn connected into power supply main road, to power to AC load; Wind energy battery controller, wind energy battery, wind energy inverter are in turn connected into accumulation of energy branch road, and this wind energy battery controller controls rectifier and charges to wind energy battery, and control wind energy battery discharges to wind energy inverter; Brake device acts on wind turbine dynamical axis; Let out energy load is connected to electrical generator mouth through letting out energy load controller; System controller connects brake device respectively, lets out energy load controller and wind energy battery controller; The collection signal of system controller access wind energy inverter, wind energy battery and wind energy sensor, carrys out the running state of regulating wind power electric supply installation according to loading condition, energy accumulating state and wind velocity condition;
Electric power distribution cabinet comprises tank bracket and some functional modules, and tank bracket is separated into the installing space unit for assembling function module and wiring, and each functional module is installed to the corresponding installing space unit of tank bracket withdrawablely.
2. elevator as claimed in claim 1, it is characterized in that, tank bracket comprises column, crossbeam, interior muscle, slide rail, top board, base plate, wherein many root posts and Duo Gen crossbeam form installing space unit, column and crossbeam offer the mounting hole of plurality of specifications, the left and right sides of installing space unit is provided with multipair slide rail to assemble prefabricated functional module, the some interior muscle of horizontally set between the adjacent upright posts of installing space unit.
3. elevator as claimed in claim 2, it is characterized in that, column suppresses the first sealing wall, the first side wall continuously by sheet metal, diapire, the second sidewall and the second sealing wall, leave opening between first sealing wall and the second sealing wall, on each sidewall, the mounting hole of prefabricated some specifications adjusts the installation site of slide rail and interior muscle.
4. elevator as claimed in claim 3, it is characterized in that, interior muscle suppresses interior muscle roof, interior muscle sidewall, interior muscle diapire continuously by sheet metal, and wherein, muscle roof and interior muscle diapire offer some mounting holes, and interior muscle sidewall is offered some oblong slots and come installation wiring folder or bus duct.
5. elevator as claimed in claim 4, it is characterized in that, slide rail suppresses slide rail top board, slide rail side plate and slide rail base plate to form chute by sheet metal, and this chute can embed the separation base plate of functional module; The front end of slide rail side plate arranges front hangers, and the rear end of slide rail side plate arranges rear hangers, mounting hole is offered respectively by front hangers and rear hangers and is fixed on tank bracket by slide rail.
6. elevator as claimed in claim 5, it is characterized in that, functional module comprises installation unit, some outlet terminals, the primary element be fixed on installation unit, the inlet wire conductor, outlet conductor and the secondary line that are connected with primary element respectively, and wherein installation unit is installed to tank bracket by slide rail.
7. elevator as claimed in claim 6, it is characterized in that, one time outlet terminal comprises installation portion and is positioned at the first terminals and second terminals at installation portion two ends, first terminals offer the first wiring hole, second terminals offer the second wiring hole, installation portion is provided with subpanel, and subpanel offers multiple mounting hole.
8. elevator as claimed in claim 7, it is characterized in that, each several part of power equipment supply is connected by shielding type cable, is provided with many heart yearns in the external protection of shielding type cable, and wherein every root heart yearn is enclosed with inner protective layer; External protection internal layer is provided with cable shield, and the inner side of inner protective layer is provided with heart yearn screen layer.
9. elevator as claimed in claim 8, it is characterized in that, elevator is arranged at the lifting station of material-transporting system, this material-transporting system comprises the track with diff-H, some travelling car carryings orbit, and travelling car can be transported to another height track from a height track and run by elevator.
10. elevator as claimed in claim 9, it is characterized in that, the some default station of material-transporting system arranges impulse sender, travelling car is arranged and sends out number plate, impulse sender with send out a number plate and coordinate and send travelling car control signal, to determine start-stop and the running route of travelling car, wherein impulse sender is reflective photoelectric switch, and this reflective photoelectric switch comprises photoelectric switch body and reflecting plate: projector and receptor are housed in photoelectric switch body; Expelling plate is positioned at the front of photoelectric switch body; Sending out number plate can cut between photoelectric switch body and reflecting plate, triggers reflective photoelectric switch action by blocking the light path of projector and receptor.
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| CN201510466765.9A CN104986684A (en) | 2015-07-31 | 2015-07-31 | Lift |
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| CN201510466765.9A CN104986684A (en) | 2015-07-31 | 2015-07-31 | Lift |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105460855A (en) * | 2015-11-30 | 2016-04-06 | 天奇自动化工程股份有限公司 | Fault self-examining device of shear fork type lifting machine |
| CN105540234A (en) * | 2016-01-27 | 2016-05-04 | 重庆市欧华陶瓷有限责任公司 | Elevation difference conveying system |
| CN105967094A (en) * | 2016-05-17 | 2016-09-28 | 石茂惠 | Lifting device for mounting of power distribution cabinet |
| CN108640027A (en) * | 2018-05-14 | 2018-10-12 | 河南卫华特种车辆有限公司 | It is a kind of to be automatically positioned to the lift work platform of working depth |
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| CN112638050A (en) * | 2020-12-30 | 2021-04-09 | 沛县卓凡科技服务中心 | Circuit board electroplating method |
| CN114655895A (en) * | 2022-03-23 | 2022-06-24 | 珠海格力电器股份有限公司 | Jacking device and forklift applying same |
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| CN105460855A (en) * | 2015-11-30 | 2016-04-06 | 天奇自动化工程股份有限公司 | Fault self-examining device of shear fork type lifting machine |
| CN105540234A (en) * | 2016-01-27 | 2016-05-04 | 重庆市欧华陶瓷有限责任公司 | Elevation difference conveying system |
| CN105967094A (en) * | 2016-05-17 | 2016-09-28 | 石茂惠 | Lifting device for mounting of power distribution cabinet |
| CN108640027B (en) * | 2018-05-14 | 2023-10-27 | 湖南衡波特种玻璃科技有限公司 | Lifting operation platform capable of being automatically positioned to working height |
| CN108640027A (en) * | 2018-05-14 | 2018-10-12 | 河南卫华特种车辆有限公司 | It is a kind of to be automatically positioned to the lift work platform of working depth |
| CN109095170A (en) * | 2018-09-01 | 2018-12-28 | 温州市科泓机器人科技有限公司 | The quick conveying of manipulator companion chip is equipped |
| CN109368274A (en) * | 2018-10-19 | 2019-02-22 | 安徽科技学院 | A kind of construction site brick conveying device and not damaged delivery method |
| CN109368274B (en) * | 2018-10-19 | 2023-10-27 | 安徽科技学院 | Brick conveying device for construction site and nondestructive conveying method |
| CN109616931A (en) * | 2018-12-18 | 2019-04-12 | 广西电网有限责任公司电力科学研究院 | A kind of transformer substation robot obstacle detouring assistance platform |
| CN110526156A (en) * | 2019-10-12 | 2019-12-03 | 启东大同电机有限公司 | A kind of environmental-protecting type electric push rod hoistable platform |
| CN110526156B (en) * | 2019-10-12 | 2024-03-08 | 启东大同电机有限公司 | Environment-friendly electric putter lift platform |
| CN110877871A (en) * | 2019-11-20 | 2020-03-13 | 广汽乘用车有限公司 | Synchronous servo lifting system and method thereof |
| CN112551421B (en) * | 2020-11-10 | 2022-06-10 | 平湖海格特自动化有限公司 | Flat belt lifting table with lock catch type locking structure |
| CN112551421A (en) * | 2020-11-10 | 2021-03-26 | 平湖海格特自动化有限公司 | Flat belt lifting table with lock catch type locking structure |
| CN112638050A (en) * | 2020-12-30 | 2021-04-09 | 沛县卓凡科技服务中心 | Circuit board electroplating method |
| CN112638050B (en) * | 2020-12-30 | 2021-12-17 | 徐州里程碑智能科技有限公司 | Circuit board electroplating method |
| CN114655895A (en) * | 2022-03-23 | 2022-06-24 | 珠海格力电器股份有限公司 | Jacking device and forklift applying same |
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Application publication date: 20151021 |