CN102554603B - Hydraulic pin puller for detaching hydraulic support - Google Patents
Hydraulic pin puller for detaching hydraulic support Download PDFInfo
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- CN102554603B CN102554603B CN201210034005.7A CN201210034005A CN102554603B CN 102554603 B CN102554603 B CN 102554603B CN 201210034005 A CN201210034005 A CN 201210034005A CN 102554603 B CN102554603 B CN 102554603B
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- extension bar
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Abstract
The invention discloses a hydraulic pin puller for detaching a hydraulic support, which comprises a screw hole connector, a push cylinder and a hydraulic component, wherein the screw hole connector consists of a joint and a cylinder seat, one end of the push cylinder is connected with the cylinder seat through a bolt and a shouldered nut, and the other end of the push cylinder is connected with a central hole of a three-piece disk of a supporting outer sleeve component through a nut. The hydraulic component comprises a triangular vertical plate, a tail flap valve and a high-pressure rubber tube, wherein the tail flap valve is arranged on the triangular vertical plate, the high-pressure rubber tube is connected with the tail flap valve, the triangular vertical plate is connected with the middle of the supporting outer sleeve component, the tail flap valve is connected with a pressure source provided by a pump station, and the high-pressure rubber tube is connected with a rod cavity and a rodless cavity of the push cylinder. The hydraulic pin puller is simple in structure, convenient in operation, and labor-saving and time-saving in pin pulling, and the hydraulic pin puller is connected with an end face screw hole of a pin through the screw hole connector. As hydraulic force is gradually increased, the end face screw hole of the pin is prevented from being damaged. By replacing the joint of the screw hole connector, pins of various thread specifications can be pulled, and the hydraulic pin puller has universality.
Description
Technical field
The present invention relates to the clamper for disassembling of mechanical component, particularly a kind of hydraulic pin remover for detaching hydraulic support.
Background technology
Hydraulic support is the conventional supporting facility in colliery, along with hydraulic support is increasing, connection bearing pin between each structure member is also increasing, bearing pin size increases to present φ 190*750 by original φ 80*400, the assembling of bearing pin bothers naturally, and the dismounting of bearing pin is also a very important problem.Because original bearing pin is less, dismounting mechanical type pin removal.
Mainly by percussion hammer, the fast moving on guide post produces impulsive force to mechanical type pin removal, and bearing pin is extracted from pin-and-hole.And the fast moving of percussion hammer applies by staff, the impulsive force that obviously percussion hammer produces on guide post is limited, can only be applicable to extracting of small clevis pin with head, just helpless to extracting of large bearing pin.And this mode of pulling pin is easily damaged the end face screw of bearing pin.
Because the volume of large hydraulic support is large, weight is large, in delivery or to time under coal mine, need to take into large hydraulic support apart parts, to facilitate transportation or to go into the well, therefore needing pin removal extracts the bearing pin that connects each parts of large hydraulic support, and to extract φ 190*750 and captured bearing pin, it is obviously not all right adopting old-fashioned mechanical pin removal.Therefore, need exploitation to adapt to the pin removal of large hydraulic support dismounting.
Summary of the invention
The object of this invention is to provide a kind of hydraulic pin remover for detaching hydraulic support, it is simple in structure, easy to operate, and dismounting is quick, and the end face screw of interior effective protection bearing pin, is specially adapted to the dismounting of large hydraulic support.
A kind of hydraulic pin remover for detaching hydraulic support of the present invention, comprise the screw connector of connector and cylinder seat composition, the passing cylinder that one end is connected with cylinder seat by bolt and band shoulder nut, it is characterized in that: the other end of described passing cylinder is connected by the centre bore of three lobe dishes of nut and a support sleeve assembly; Also comprise a hydraulic package, this hydraulic package by triangle riser, be located at the cauda valve on triangle riser, the high-pressure rubber pipe being connected with cauda valve forms, its triangle riser joins with the pressure source that the middle part of support sleeve assembly is connected, cauda valve provides with pumping plant, high-pressure rubber pipe is connected with the rod chamber of passing cylinder, rodless cavity connects.
Further, the expansion bearing pawl that three long nuts that the extension bar cylinder that described support sleeve assembly is connected with three lobe dishes by three lobe dishes, three one end, three screw rods that coordinate with three extension bar cylinder inwalls respectively, the part of stretching out extension bar cylinder with three screw rods respectively coordinate, three are connected with three screw rods respectively by pin, three are located at respectively an only screw on three extension bar cylinders and twice and are enclosed within three hoops outside extension bar cylinder and form.
Further, one end of described connector is connected with the screwed hole of the shaft end of being pulled pin through the through hole of Gang Zuo bottom centre.
Further, the end face of the bearing claw of described support sleeve assembly is provided with reticulate pattern; Its effect is when this hydraulic pin remover is pulled pin, and three bearing claws, under the effect of long nut pretightning force, are close to hydraulic support side plate, and it can not skidded.
The present invention has obtained following technique effect:
(1) simple in structure, easy to operate, pull out and unload that bearing pin is laborsaving to save time, avoided workman's heavy work;
(2) by screw connector, be connected with product pin roll end face screw, because hydraulic coupling is to increase gradually, avoided pin roll end face screw damaged;
(3) by changing the connector of screw connector, can pull out the bearing pin of various screw thread specifications, there is versatility.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the schematic diagram of support sleeve assembly;
Fig. 5 is the structural representation of screw connector;
Fig. 6 is the structural representation of hydraulic package;
Fig. 7 is axonometric drawing of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Referring to Fig. 1 to Fig. 7, a kind of hydraulic pin remover for detaching hydraulic support of the present invention, nut 6 and the passing cylinder 2 that cylinder seat 1-2 is connected are takeed on by bolt 5 and band in screw connector 1, one end of comprising connector 1-1 and cylinder seat 1-2 composition, it is characterized in that: the other end of described passing cylinder 2 is connected by the centre bore of three lobe dish 3-7 of nut 7 and a support sleeve assembly 3; Also comprise a hydraulic package 4, this hydraulic package is comprised of with the high-pressure rubber pipe 4-3 being connected with cauda valve triangle riser 4-1, the cauda valve 4-2 that is located on triangle riser, and the pressure source that its triangle riser 4-1 is connected with the middle part of support sleeve assembly 3, cauda valve 4-2 provides with pumping plant joins, high-pressure rubber pipe 4-3 is connected with the rod chamber of passing cylinder 2, rodless cavity connection.
The expansion bearing pawl 3-1 that three long nut 3-3 that extension bar cylinder 3-4, the three screw rod 3-5 that coordinate with three extension bar cylinder 3-4 inwalls respectively that described support sleeve assembly 3 is connected with three lobe dishes by three lobe dish 3-7, three one end, the part of stretching out extension bar cylinder with three screw rods respectively coordinate, three are connected with three screw rod 3-5 respectively by pin 3-2, three are located at respectively an only screw 3-8 on three extension bar cylinder 3-4 and twice and are enclosed within three hoop 3-6 outside extension bar cylinder 3-4 and form.
One end of described connector 1-1 is connected with the screwed hole of the shaft end of being pulled pin through the through hole of Gang Zuo 1-2 bottom centre.
The end face of the bearing claw 3-1 of described support sleeve assembly 3 is provided with reticulate pattern; Its effect is when this hydraulic pin remover is pulled pin, and three bearing claws, under the effect of long nut pretightning force, are close to hydraulic support side plate, and it can not skidded.
The present invention mainly contains following innovation:
Does is the bearing pin length of wanting to extract L=750, and pin removal passing cylinder 2 strokes only have 460, how bearing pin are all pulled out to place? here adopted the mode that distributes and pull pin.
For solving the random length bearing pin of length in 800 scopes, extract, the interior long nut 3-3 that adopted of support sleeve 3, screw rod 3-5 mechanism, can stretch out arbitrarily expansion bearing pawl 3-1.And the manufacturability of considering 3-4 making screw thread is poor, thus long nut 3-3 made, and 3-4 only uses a steel pipe, endoporus does not need processing, has avoided like this trouble of processing slim screw.
This pin removal operation principle, step is as follows:
(1) according to product bearing pin screw size, select nipple 1-1;
(2) nipple 1-1 is contained in to cylinder seat 1-2 above, then screw connector 1 is contained on pin removal;
(3) pin removal is sling in driving or other boom hoistings, and guaranteed pin removal axis and product bearing pin axis coaxle;
(4) threaded connector 1-1 is connected with product bearing pin screw, and screws up with a wrench;
(5) the pressure source flexible pipe interface on cauda valve 4-2 and pumping plant being provided joins;
(6) move cauda valve 4-2, make to pass cylinder 2 rodless cavity feed liquors, rod chamber returns liquid, and support sleeve 3 is moved to right.
(7) move cauda valve 4-2 to meta, three screw rod 3-5 in support sleeve 3 are pulled out, and make claw 3-1 end face be close to the axial side plate of product pin, and tighten long nut 3-3, make claw 3-1 apply a pretightning force to side plate.
(8) towards the direction of moving opposite direction with step (6), move cauda valve 4-2, make to pass cylinder 2 rod chamber feed liquors, rodless cavity returns liquid, at this moment support sleeve 3 is motionless, the piston rod of passing cylinder 2 is motionless, and cylinder body and the screw connector 1 of passing cylinder 2 move towards the direction away from bearing pin, thereby bearing pin is pulled out under nipple 1-1 pulls.
Extract the bearing pin that length L is greater than 460, repeating step (6), (7), (8) step, extract bearing pin step by step.
Protection scope of the present invention is not limited to the above embodiments, and obviously, those skilled in the art can carry out various changes and distortion and not depart from the scope of the present invention and spirit the present invention.If these changes and distortion belong in the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and is out of shape interior.
Claims (2)
1. the hydraulic pin remover for detaching hydraulic support, comprise the screw connector (1) of connector (1-1) and cylinder seat (1-2) composition, the passing cylinder (2) that one end is connected with cylinder seat (1-2) by bolt (5) and band shoulder nut (6), it is characterized in that: the other end of described passing cylinder (2) is connected by nut (7) and the centre bore of three lobe dishes (3-7) of a support sleeve assembly (3); Also comprise a hydraulic package (4), this hydraulic package is comprised of with the high-pressure rubber pipe (4-3) being connected with cauda valve triangle riser (4-1), the cauda valve (4-2) that is located on triangle riser, and its triangle riser (4-1) joins with the pressure source that the middle part of support sleeve assembly (3) is connected, cauda valve (4-2) provides with pumping plant, high-pressure rubber pipe (4-3) is connected with rodless cavity and is connected with the rod chamber of passing cylinder (2); One end of described connector (1-1) is connected with the screwed hole of the shaft end of being pulled pin through the through hole of cylinder seat (1-2) bottom centre;
Described support sleeve assembly (3) is by three lobe dishes (3-7), three extension bar cylinders (3-4) that one end is connected with three lobe dishes, three screw rods (3-5) that coordinate with three extension bar cylinders (3-4) inwall respectively, stretch out with three screw rods (3-5) three long nuts (3-3) that the part of extension bar cylinder coordinates respectively, three expansion bearing pawls (3-1) that are connected with three screw rods (3-5) respectively by pin (3-2), a three only screw (3-8) and twice that are located at respectively on three extension bar cylinders (3-4) are enclosed within outer hoop (3-6) composition of three extension bar cylinders (3-4).
2. a kind of hydraulic pin remover for detaching hydraulic support according to claim 1, is characterized in that: the end face of the bearing claw (3-1) of described support sleeve assembly (3) is provided with reticulate pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210034005.7A CN102554603B (en) | 2012-02-15 | 2012-02-15 | Hydraulic pin puller for detaching hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210034005.7A CN102554603B (en) | 2012-02-15 | 2012-02-15 | Hydraulic pin puller for detaching hydraulic support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102554603A CN102554603A (en) | 2012-07-11 |
| CN102554603B true CN102554603B (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210034005.7A Expired - Fee Related CN102554603B (en) | 2012-02-15 | 2012-02-15 | Hydraulic pin puller for detaching hydraulic support |
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| Country | Link |
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| CN (1) | CN102554603B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939117B (en) * | 2014-03-21 | 2016-08-17 | 淄博矿业集团有限责任公司许厂煤矿 | Hydraulic support disintegration ejector pin device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3505579B2 (en) * | 1994-03-31 | 2004-03-08 | カヤバ工業株式会社 | Crawler pin removal device |
| US6453657B1 (en) * | 2000-02-29 | 2002-09-24 | Sony Corporation | Hydraulic device for assembly and disassembly of conveyor chains using interference-fit connecting pins and method of using the same |
| CA2537172C (en) * | 2006-02-21 | 2011-04-26 | Barlan Enterprises Inc. | Fluid activated connecting pin removal tool |
| CN200988193Y (en) * | 2006-09-16 | 2007-12-12 | 奇瑞汽车有限公司 | Pin pull-out tool |
| CN201579583U (en) * | 2009-12-28 | 2010-09-15 | 莱芜钢铁股份有限公司 | Pin shaft automatic taking out device |
| CN201799830U (en) * | 2010-08-27 | 2011-04-20 | 山西平阳重工机械有限责任公司 | Spiral pin remover |
| CN102328197A (en) * | 2011-05-30 | 2012-01-25 | 泰安力博机电科技有限公司 | Hydraulic automatic pin pulling device |
| CN202438820U (en) * | 2012-02-15 | 2012-09-19 | 重庆大江工业有限责任公司 | Hydraulic pin puller for detaching hydraulic support |
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2012
- 2012-02-15 CN CN201210034005.7A patent/CN102554603B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN102554603A (en) | 2012-07-11 |
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Granted publication date: 20140226 Termination date: 20190215 |