CN104057415A - Mining hydraulic impacting wrench - Google Patents

Mining hydraulic impacting wrench Download PDF

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Publication number
CN104057415A
CN104057415A CN201410233225.1A CN201410233225A CN104057415A CN 104057415 A CN104057415 A CN 104057415A CN 201410233225 A CN201410233225 A CN 201410233225A CN 104057415 A CN104057415 A CN 104057415A
Authority
CN
China
Prior art keywords
liquid
assembly
hydraulic
oil
rotary motor
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.)
Pending
Application number
CN201410233225.1A
Other languages
Chinese (zh)
Inventor
席庆祥
樊建军
张青花
韩新建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANXI COAL MINE MACHINERY Manufacturing Co Ltd
Original Assignee
SHANXI COAL MINE MACHINERY Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANXI COAL MINE MACHINERY Manufacturing Co Ltd filed Critical SHANXI COAL MINE MACHINERY Manufacturing Co Ltd
Priority to CN201410233225.1A priority Critical patent/CN104057415A/en
Publication of CN104057415A publication Critical patent/CN104057415A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B25B21/023Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket for imparting an axial impact, e.g. for self-tapping screws

Abstract

The invention discloses a mining hydraulic impacting wrench, belongs to the technical field of a fastening device of mining underground conveying equipment, and provides a mining hydraulic impacting wrench which is reliable in safety, compact in structure and high in efficiency. The mining hydraulic wrench comprises operating handle components, switch reversing components, a hydraulic rotary motor, an auxiliary handle, an impacting mechanism and a sleeve joint, wherein the operating handle components comprise a liquid-feeding connecting opening and a liquid-returning connecting opening; the liquid-feeding opening is connected with a high pressure operating fluid pipeline in a pump station through a quick connecting joint; the liquid-returning connecting opening is connected with a liquid-returning dry pipe in the pump station through the quick connecting joint; the liquid-feeding connecting opening is communicated with the high pressure operating liquid pipeline through an oil-passing rubber pipe; the liquid-returning connecting opening is communicated with the liquid-returning dry pipe through an oil-returning rubber pipe; a pipe type filter is arranged between the liquid-feeding connecting opening and an oil-feeding rubber pipe; a stopping valve is arranged between the oil-passing rubber pipe and the high pressure operating liquid pipeline; a safety valve is arranged between the oil-passing rubber pipe and the liquid-returning dry pipe. The mining hydraulic impacting wrench is mainly applied to the aspect of the fastening device of the mining underground conveying equipment.

Description

A kind of mining hydraulic impact wrench
Technical field
A kind of mining hydraulic impact wrench of the present invention, belongs to the technical field of conveying equipment fastener under coal mine.
Background technology
Along with the large-scale of mining area exploitation, the supporting fully-mechanized mining equipment of three machines is used on a large scale.Under coal mine, in installation and debugging process, the installation and debugging workload of equipment is larger.Only according to manpower, take time and effort, and installation reliability is poor.Taking mining scraper machine as example, flight chain is in installation process, if fastening weak effect, or because the improper operations such as the unbalance stress that causes of fastening force difference can cause chain sideslip, fastening bolt such as " is gnawed " disconnected at the phenomenon.
For this phenomenon, for effectively improving utilization rate of equipment and installations, alleviate personnel's assembly work load, under coal mine, installation has been assisted installment work with electric impact wrench or hydraulic spanner now.These two kinds of spanners all can effectively alleviate staff's labour intensity, but all have its deficiency.
Electric impact wrench, can realize moment of torsion by electron speed regulator equal controller adjustable,, by the effect of impactor, moment of torsion amplified meanwhile, and fastening and dismounting better effects if, simple to operate.But, for mining equipment, because working environment is relatively severe under mine, use electric wrench, need to consider that it connects electricity and can realize operation, safety coefficient is lower, uses inconvenient.
Hydraulic spanner, the click structures that adopt more, promote ratchet mechanism motion by hydraulic jack, drive branch sleeve motion, realize moment output, can not realize and working continuously, not in place when primary feed, hydraulic jack hydraulic oil need to be discharged, then pine work is tightened or adjusted to row, although evaded Electrical Safety and connect electricity problem anywhere or anytime, complicated operation.
In sum, be necessary prior art to improve.
Summary of the invention
In order to overcome the deficiencies in the prior art, a kind of mining hydraulic impact wrench of provide a kind of safe and reliable, compact conformation, raising the efficiency.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of mining hydraulic impact wrench, comprise operating grip assembly, switch commutation assembly, hydraulic rotary motor, assist handle, beater mechanism and muff joint, operating grip assembly connects with hydraulic rotary motor by the switch assembly that commutates, switch commutation assembly comprises commutation assembly and wrench assembly, commutation assembly is positioned at the left side of switch commutation assembly, wrench assembly is positioned at the right side of switch commutation assembly, hydraulic rotary motor connects with muff joint by beater mechanism, there is inspection cover in hydraulic rotary motor left side, there is assist handle beater mechanism upper end, operating grip assembly comprises handle, handle is fixedly connected by bolt and switch commutation assembly, described operating grip assembly also comprises feed liquor interface and returns liquid interface, described feed liquor interface connects with the high-pressure work liquid pipeline in pumping plant by snap joint, described time liquid interface connects with the liquid main that returns in pumping plant by snap joint.
Described feed liquor interface passed through oil rubber hose and high-pressure work liquid pipeline communication, and described time liquid interface is communicated with time liquid main by oil return sebific duct.
Between described feed liquor interface and oil-feed sebific duct, be provided with tubular filter, described oil rubber hose excessively and high-pressure work liquid pipeline enclosure are provided with stop valve, and described mistake between oil rubber hose and time liquid main is provided with safety valve.
Described wrench assembly comprises switch knob, push rod, steel pin, spring push-rod and spring, switch knob connects with steel pin by push rod, steel pin and spring push-rod are fixedly connected, and spring push-rod is set with spring outward, have steel pin seat and the first sealing ring at push rod and steel pin connection place.
Described commutation assembly comprises commutation button, reversal valve and reversing valve core, and described commutation button and reversing valve core, by bolt-connection, have the second sealing ring and circlip on reversing valve core, be bolted steel plate in reversal valve upper end.
Described hydraulic rotary motor adopts noncircular planetary gear hydraulic motor, the output shaft of described hydraulic rotary motor and beater mechanism input are coupled in swinging block by key, the lower end of described hydraulic rotary motor connects with the steel plate of switch commutation assembly upper end by bolt, also has leakage hole on described hydraulic rotary motor.
The beneficial effect that the present invention compared with prior art had is:
1, use hydraulic-driven, safe and reliable; This programme adopts standard bore joint, utilizes the ready-made hydraulic system in down-hole to carry out feed flow, and power support is provided, safe and reliable, has evaded the problem of electricity consumption under mine; Adopt noncircular planetary gear hydraulic motor, reduce underground work conditional request, improve dependability;
2, compact conformation, simple to operate; Severe for underground work environment, the phenomenons such as bolted workload is large are installed while repairing, require equipment not only to possess higher security reliability, also need volume mass less, be convenient to staff use continuously; Meanwhile, need design to meet simple to operate, operating personnel's left-hand seat facilitates feature;
3, easily fastening and unclamp; In handle, be equipped with impactor, hydraulic motor and impactor cooperating, amplify moment of torsion, the rotary motive power of motor output is converted to the impulsive force of certain high frequency, realizes the amplification of torque, improves fastening and unclamp efficiency; Meanwhile, ensure stressed evenly, improve the service life of production equipment;
4, applied widely; Muff joint design, for connecting the sleeve of different size, realizes dismounting and installation to different size nut, and meanwhile, muff joint adopts standard 25.4mm, and (the square handle of 1 ") connects;
5, meet ergonomic designs; Dual-handle design, is that main manipulator staff is all suitable for for left hand and right hand, meanwhile, strengthens and grasps reliability.
Brief description of the drawings
Below by accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is front view of the present invention;
Fig. 2 is left view of the present invention;
Fig. 3 is hydraulic control schematic diagram of the present invention;
Fig. 4 is the structural representation of operating grip assembly of the present invention and switch commutation assembly;
Fig. 5 is the structural representation of hydraulic rotary motor of the present invention.
In figure, 1 is operating grip assembly, 2 is switch commutation assembly, 3 is hydraulic rotary motor, 4 is assist handle, 5 is beater mechanism, 6 is muff joint, 7 is commutation assembly, 8 is wrench assembly, 9 is inspection cover, 10 is handle, 11 is feed liquor interface, 12 are back liquid interface, 13 is high-pressure work liquid pipeline, 14 are back liquid main, 15 was oil rubber hose, 16 is oil return sebific duct, 17 is stop valve, 18 is tubular filter, 19 is safety valve, 20 is switch knob, 21 is push rod, 22 is steel pin, 23 is spring push-rod, 24 is spring, 25 is steel pin seat, 26 is the first sealing ring, 27 is commutation button, 28 is reversal valve, 29 is reversing valve core, 30 is the second sealing ring, 31 is circlip, 32 is steel plate, 33 is noncircular planetary gear hydraulic motor, 34 is output shaft, 35 is swinging block, 36 is leakage hole, 37 is inlet, 38 is liquid return hole, 39 is snap joint.
Detailed description of the invention
The invention will be further described by reference to the accompanying drawings for embodiment below.
As depicted in figs. 1 and 2, a kind of mining hydraulic impact wrench, comprise operating grip assembly 1, switch commutation assembly 2, hydraulic rotary motor 3, assist handle 4, beater mechanism 5 and muff joint 6, operating grip assembly 1 connects with hydraulic rotary motor 3 by the switch assembly 2 that commutates, switch commutation assembly 2 comprises commutation assembly 7 and wrench assembly 8, commutation assembly 7 is positioned at the left side of switch commutation assembly 2, wrench assembly 8 is positioned at the right side of switch commutation assembly 2, hydraulic rotary motor 3 connects with muff joint 6 by beater mechanism 5, the output shaft of beater mechanism 5 connects with muff joint 6, by connecting the sleeve of different bores, realize the dismounting for different size bolt, there is inspection cover 9 in hydraulic rotary motor 3 left sides, for checking the running status of hydraulic rotary motor 3, there is assist handle 4 beater mechanism 5 upper ends, to increase grip, simultaneous adaptation left hand or the right hand are that the operating personnel of initiatively hand use, operating grip assembly 1 comprises handle 10, on handle 10, be enclosed with rubber, strengthen the impulsive force of opponent when grasping and reducing impact wrench work, handle 10 is fixedly connected by bolt and switch commutation assembly 2, described operating grip assembly 1 also comprises feed liquor interface 11 and returns liquid interface 12, described feed liquor interface 11 connects with the high-pressure work liquid pipeline 13 in pumping plant by snap joint 39, described time liquid interface 12 connects with the liquid main 14 that returns in pumping plant by snap joint 39.Described feed liquor interface 11 and time liquid interface 12 are that the K type snap joint by meeting Chinese Industrial Standards (CIS) connects with pumping plant fluid pressure line, realize feed flow and return liquid.
As shown in Figure 3, described feed liquor interface 11 passed through oil rubber hose 15 and was communicated with high-pressure work liquid pipeline 13, and described time liquid interface 12 is communicated with time liquid main 14 by oil return sebific duct 16.
Between described feed liquor interface 11 and oil-feed sebific duct 15, be provided with tubular filter 18, described mistake between oil rubber hose 15 and high-pressure work liquid pipeline 13 is provided with stop valve 17, and described mistake between oil rubber hose 15 and time liquid main 14 is provided with safety valve 19.
In the time that hydraulic shock spanner starts, hydraulic oil enters hydraulic shock spanner from oil-feed sebific duct 15 by tubular filter 18 through stop valve 17 by high-pressure work liquid pipeline 13 from pumping plant, the work of hydraulic shock spanner, hydraulic oil returns to back liquid main 14 by oil return sebific duct 16; When the hydraulic pressure in hydraulic shock spanner reach a certain height, will part hydraulic oil be returned to back to liquid main 14 by safety valve 19, to ensure that hydraulic shock spanner runs well.
As shown in Figure 4, described wrench assembly 8 comprises switch knob 20, push rod 21, steel pin 22, spring push-rod 23 and spring 24, switch knob 20 connects with steel pin 22 by push rod 21, steel pin 22 is fixedly connected with spring push-rod 23, spring push-rod 23 is outer is set with spring 24, has steel pin seat 25 and the first sealing ring 26 at push rod 21 and steel pin 22 connection places.
Described commutation assembly 7 comprises commutation button 27, reversal valve 28 and reversing valve core 29, described commutation button 27 passes through bolt-connection with reversing valve core 29, on reversing valve core 29, there are the second sealing ring 30 and circlip 31, be bolted steel plate 32 in reversal valve 28 upper ends, described commutation button 27 is Y type commutation button.
High-voltage oil liquid enters hydraulic shock spanner by feed liquor interface 11, arrive spring push-rod 23 places, now, press switch knob 20, push rod 21 is pushed to steel pin 22 directions, switch spool moves, Compress Spring 24, hydraulic oil enters into reversal valve 28 from steel pin seat 25, when commutation button 27 is during in position shown in figure, hydraulic oil enters hydraulic rotary motor 3 from upside path, realize hydraulic rotary motor 3 rotation direction upsets, and then realize tightening and dismantling of bolt and nut, reversing valve core 29 is realized sealing location by sealing ring 30 and circlip 31, hydraulic oil returns pumping plant by returning liquid interface 12, if shut-down operation, trip switch handle 20, steel pin 22 resets and gets back to steel pin seat 25 places under spring 24 effects, and compress with steel pin seat 25 under hydraulic oil and spring 24 effects, meanwhile, under sealing ring 30 effects, stop hydraulic oil to enter, hydraulic rotary motor 3 shuts down, and operation stops.
As shown in Figure 5, described hydraulic rotary motor 3 adopts SP series noncircular planetary gear hydraulic motor 33, realize rotating, than plunger hydraulic motor, volume is less, and quality is lighter, volumetric efficiency, mechanical efficiency, starting torque efficiency are high, anti-oil contamination ability is strong, simple in structure, good speed adjustment features; When motor forward, hydraulic oil turns round by inlet 37 CD-ROM drive motors, from 38 times liquid of liquid return hole, and when reversion, 37 times liquid of inlet, liquid return hole 38 feed liquors; Output shaft 34 and beater mechanism 5 inputs of described hydraulic rotary motor 3 are coupled in swinging block 35 by key, the lower end of described hydraulic rotary motor 3 connects with the steel plate 32 of switch commutation assembly 2 upper ends by bolt, on described hydraulic rotary motor 3, also have leakage hole 36, the local oil pressure of leakage of oil and gear mechanism of repairing of bearing portions is drawn.
Hydraulic shock spanner of the present invention is controlled start and stop by wrench assembly 8, operating personnel are gripping handle 10 on the other hand, another hand grips assist handle 4 and carries out work, feed liquor interface 11 and time liquid interface 12 by operating grip assembly 1 connect with hydraulic power unit system, drive hydraulic rotary motor 3, drive beater mechanism 5 to move, realize moment amplification; Realizing dismounting effect by commutation button 27 switches; Connect corresponding standard cartridges by muff joint 6, implement to tighten and dismantle work; Arrange by the effect of hydraulic system overvoltage protection, realize output torque and fix, meet instructions for use; This device is reasonable in design, stable, and small volume is safe and reliable, easy to operate, has better considered operating personnel's use habit simultaneously, is very good mining hydraulic impact wrench instrument.

Claims (6)

1. a mining hydraulic impact wrench, comprise operating grip assembly (1), switch commutation assembly (2), hydraulic rotary motor (3), assist handle (4), beater mechanism (5) and muff joint (6), operating grip assembly (1) connects with hydraulic rotary motor (3) by the switch assembly (2) that commutates, switch commutation assembly (2) comprises commutation assembly (7) and wrench assembly (8), commutation assembly (7) is positioned at the left side of switch commutation assembly (2), wrench assembly (8) is positioned at the right side of switch commutation assembly (2), hydraulic rotary motor (3) connects with muff joint (6) by beater mechanism (5), there is inspection cover (9) in hydraulic rotary motor (3) left side, there is assist handle (4) beater mechanism (5) upper end, operating grip assembly (1) comprises handle (10), handle (10) is fixedly connected by bolt and switch commutation assembly (2), it is characterized in that: described operating grip assembly (1) also comprises feed liquor interface (11) and returns liquid interface (12), described feed liquor interface (11) connects with the high-pressure work liquid pipeline (13) in pumping plant by snap joint (39), described time liquid interface (12) connects with the liquid main (14) that returns in pumping plant by snap joint (39).
2. a kind of mining hydraulic impact wrench according to claim 1, it is characterized in that: described feed liquor interface (11) passed through oil rubber hose (15) and is communicated with high-pressure work liquid pipeline (13), described time liquid interface (12) is communicated with time liquid main (14) by oil return sebific duct (16).
3. a kind of mining hydraulic impact wrench according to claim 2, it is characterized in that: between described feed liquor interface (11) and oil-feed sebific duct (15), be provided with tubular filter (18), described mistake between oil rubber hose (15) and high-pressure work liquid pipeline (13) is provided with stop valve (17), and described mistake between oil rubber hose (15) and time liquid main (14) is provided with safety valve (19).
4. a kind of mining hydraulic impact wrench according to claim 1, it is characterized in that: described wrench assembly (8) comprises switch knob (20), push rod (21), steel pin (22), spring push-rod (23) and spring (24), switch knob (20) connects with steel pin (22) by push rod (21), steel pin (22) is fixedly connected with spring push-rod (23), spring push-rod (23) is outer is set with spring (24), has steel pin seat (25) and the first sealing ring (26) at push rod (21) and steel pin (22) connection place.
5. a kind of mining hydraulic impact wrench according to claim 1, it is characterized in that: described commutation assembly (7) comprises commutation button (27), reversal valve (28) and reversing valve core (29), described commutation button (27) passes through bolt-connection with reversing valve core (29), on reversing valve core (29), there are the second sealing ring (30) and circlip (31), have been bolted steel plate (32) in reversal valve (28) upper end.
6. a kind of mining hydraulic impact wrench according to claim 1, it is characterized in that: described hydraulic rotary motor (3) adopts noncircular planetary gear hydraulic motor (33), the output shaft (34) of described hydraulic rotary motor (3) is coupled by key with beater mechanism (5) input in swinging block (35), the lower end of described hydraulic rotary motor (3) connects with the steel plate (32) of switch commutation assembly (2) upper end by bolt, and described hydraulic rotary motor (3) is provided with leakage hole (36).
CN201410233225.1A 2014-05-29 2014-05-29 Mining hydraulic impacting wrench Pending CN104057415A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410233225.1A CN104057415A (en) 2014-05-29 2014-05-29 Mining hydraulic impacting wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410233225.1A CN104057415A (en) 2014-05-29 2014-05-29 Mining hydraulic impacting wrench

Publications (1)

Publication Number Publication Date
CN104057415A true CN104057415A (en) 2014-09-24

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CN201410233225.1A Pending CN104057415A (en) 2014-05-29 2014-05-29 Mining hydraulic impacting wrench

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2567839A (en) * 2017-10-25 2019-05-01 Hands Free Bolting Ltd Remote hydraulic control apparatus
CN110977857A (en) * 2018-10-03 2020-04-10 瓜生制作株式会社 Impact torque adjusting device of hydraulic torque wrench

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5851038A (en) * 1996-06-03 1998-12-22 Ekstrom Industries, Inc. Sealing ring
US5851209A (en) * 1996-01-16 1998-12-22 Hospital For Joint Diseases Bone cerclage tool
US6023999A (en) * 1998-10-02 2000-02-15 Cho; Jin-Chai Universal socket for use with a socket wrench
CN101542169A (en) * 2006-11-20 2009-09-23 Fci公司 Static/dynamic shaft seal
CN101695830A (en) * 2009-09-27 2010-04-21 华中科技大学 Hydraulic impact wrench

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5851209A (en) * 1996-01-16 1998-12-22 Hospital For Joint Diseases Bone cerclage tool
US5851038A (en) * 1996-06-03 1998-12-22 Ekstrom Industries, Inc. Sealing ring
US6023999A (en) * 1998-10-02 2000-02-15 Cho; Jin-Chai Universal socket for use with a socket wrench
CN101542169A (en) * 2006-11-20 2009-09-23 Fci公司 Static/dynamic shaft seal
CN101695830A (en) * 2009-09-27 2010-04-21 华中科技大学 Hydraulic impact wrench

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2567839A (en) * 2017-10-25 2019-05-01 Hands Free Bolting Ltd Remote hydraulic control apparatus
CN110977857A (en) * 2018-10-03 2020-04-10 瓜生制作株式会社 Impact torque adjusting device of hydraulic torque wrench
CN110977857B (en) * 2018-10-03 2023-02-28 瓜生制作株式会社 Impact torque adjusting device of hydraulic torque wrench

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Application publication date: 20140924