CN218801978U

CN218801978U - Hydraulic pin shaft withdrawing device

Info

Publication number: CN218801978U
Application number: CN202221263950.XU
Authority: CN
Inventors: 周红旗; 朱伟; 张海洋; 刘杰; 任思奇; 魏泽娣; 祁连光
Original assignee: Huaibei Mining Co Ltd
Current assignee: Huaibei Mining Co Ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2023-04-07
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a fluid pressure type moves back round pin axle ware, move back round pin axle ware base including supporting seat, hydraulic nut and hydraulic pressure, hydraulic control system and elevating system, include the inside of supporting seat is provided with the shifting chute, the inside of shifting chute is provided with hydraulic nut, the hydraulic control system output is connected with the one end of supporting seat, the position that comes hydraulic nut through hydraulic control system removes, hydraulic nut's one side is installed hydraulic pressure and is moved back round pin axle ware base, hydraulic nut keeps away from hydraulic pressure and moves back round pin axle ware base one side and be connected with elevating system, the device has and drives clamping screw under the effect of rigid spring self elasticity and insert the spacing inslot, adjust ejector pin length in fixed sleeve, this structure is convenient for adjust fixed sleeve's length, and then satisfy the demand of different round pin axle lengths.

Description

Hydraulic pin shaft withdrawing device

Technical Field

The utility model belongs to the technical field of the round pin axle ware, more specifically says, the utility model relates to a fluid pressure type moves back round pin axle ware.

Background

At present, with the development of the four-part and three-reduction work of a coal mine, the trend length of the underground fully-mechanized coal mining face gradually becomes longer, the service time of a hydraulic support of the fully-mechanized coal mining face is long, and the situation that the hydraulic support is damaged and needs to be replaced frequently occurs in the production process.

However, in the process of replacing the pushing jack of the hydraulic support, the construction space for dismantling the fixed pin of the base is narrow and small, the construction is inconvenient, the construction efficiency of replacing the pushing jack of the hydraulic support is severely restricted, the construction risk of the long drill rod matched with the hammer in the traditional construction is high, and the condition that the hammer damages constructors is very easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a fluid pressure type moves back round pin axle ware convenient to adjustment ejector pin length is provided.

In order to realize the purpose, the utility model discloses the technical scheme who takes does: move back round pin axle ware base, hydraulic control system and elevating system including supporting seat, hydraulic nut and hydraulic pressure, include the inside of supporting seat is provided with the shifting chute, and the inside of shifting chute is provided with hydraulic nut, and the hydraulic control system output is connected with the one end of supporting seat, moves the position of hydraulic nut through hydraulic control system, and hydraulic pressure is installed to one side of hydraulic nut and is moved back round pin axle ware base, and hydraulic nut keeps away from hydraulic pressure and moves back round pin axle ware base one side and elevating system's one end and be connected.

This technical scheme provides a hydraulic pressure type moves back pintle bearing device, hydraulic control system includes manual hydraulic pump and hydraulic line, and hydraulic line is installed to the output of manual hydraulic pump, and the support seat is run through to one side of hydraulic line provides hydraulic power to the position of hydraulic nut.

Elevating system, including fixed sleeve, ejector pin and clamping screw, the spout has been seted up to the fixed sleeve inboard, and the inside of spout is provided with the slider, is provided with the ejector pin between the slider, and the spacing groove has all been seted up to the outer wall of ejector pin.

This technical scheme provides a pair of fluid pressure type moves back pintle ware, the activity groove has been seted up to fixed sleeve's one end, and the slide bar is installed to the top and the bottom in activity groove, and the slide bar outer wall is provided with the connecting block, is provided with the set screw who runs through the spacing groove between the connecting block, and the set screw outer wall cover is equipped with the stiff spring who is connected with the activity groove.

Adopt this technical scheme, the device is provided with hydraulic control system and elevating system, operating personnel starts manual hydraulic pump and carries power to the supporting seat in through the hydraulic pressure pipeline, thereby drive hydraulic nut and shift, and then be convenient for shift the round pin axle, operating personnel does not contact with the spacing groove through outside pulling clamping screw, make the connecting block extrude the emergence crimple to rigid spring, then drive the slider in the spout through outside pulling ejector pin and remove after suitable length to the outside, align spacing groove and clamping screw position, loosen clamping screw after that, then drive clamping screw under rigid spring self spring action and insert the spacing inslot, adjust ejector pin length in fixed sleeve, this structure is convenient for adjust the length of ejector pin, and then satisfy the demand of different round pin axle lengths.

The present invention will be described in more detail with reference to the accompanying drawings and examples.

Drawings

The following brief description of the drawings and reference numerals in the drawings forms a part of this specification:

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic right sectional view of the present invention;

fig. 3 is a schematic front view of the present invention;

labeled as: 1. a supporting seat; 2. a moving groove; 3. a hydraulic nut; 4. a hydraulic pin shaft withdrawing device base; 5. a bolt guide; 6. a manual hydraulic pump; 7. a hydraulic line; 8. fixing the sleeve; 9. a chute; 10. a top rod; 11. a slider; 12. a limiting groove; 13. a movable groove; 14. a slide bar; 15. fixing the screw rod; 16. connecting blocks; 17. a stiff spring.

Detailed Description

The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail to explain, by way of example, the shape and structure of the components, the mutual positions and connections between the components, the functions and operating principles of the components, the manufacturing process, and the operation and use method of the components, so as to help those skilled in the art to more completely, accurately and deeply understand the inventive concept and technical solutions of the present invention.

The hydraulic pin shaft withdrawing device shown in the figures 1-3 comprises a supporting seat 1, a hydraulic nut 3, a hydraulic pin shaft withdrawing device base 4, a hydraulic control system and a lifting mechanism, wherein a moving groove 2 is formed in the supporting seat 1, the hydraulic nut 3 is arranged in the moving groove 2, the output end of the hydraulic control system is connected with one end of the supporting seat 1, the position of the hydraulic nut 3 is moved through the hydraulic control system, the hydraulic pin shaft withdrawing device base 4 is installed on one side of the hydraulic nut 3, and one side, far away from the hydraulic pin shaft withdrawing device base 4, of the hydraulic nut 3 is connected with one end of the lifting mechanism.

The hydraulic control system comprises a manual hydraulic pump 6 and a hydraulic pipeline 7, the hydraulic pipeline 7 is installed at the output end of the manual hydraulic pump 6, one side of the hydraulic pipeline 7 penetrates through the supporting seat 1 to provide hydraulic power for the position of the hydraulic nut 3, then the manual hydraulic pump 6 is started to carry out hydraulic conveying in the supporting seat 1 through the hydraulic pipeline 7, then the hydraulic nut 3 is shifted, and the pin shaft is conveniently pushed out.

Elevating system, including fixed sleeve 8, ejector pin 10 and clamping screw 15, spout 9 has been seted up to fixed sleeve 8 inboard, and the inside of spout 9 is provided with slider 11, is provided with ejector pin 10 between slider 11, and spacing groove 12 has all been seted up to ejector pin 10's outer wall, through adjusting ejector pin 10 position in spout 9, and then be convenient for release the round pin axle of different length, satisfy the market demand of pluralism for the practicality is high.

Movable groove 13 has been seted up to the one end of fixed sleeve 8, slide bar 14 is installed to the top and the bottom in movable groove 13, slide bar 14 outer wall is provided with connecting block 16, be provided with fixing screw 15 that runs through spacing groove 12 between the connecting block 16, fixing screw 15 outer wall cover is equipped with the stiff spring 17 that is connected with movable groove 13, drive connecting block 16 through fixing screw 15 and extrude stiff spring 17 on slide bar 14, make stiff spring 17 take place to contract, then move ejector pin 10 to the outside, can adjust the length of ejector pin 10.

By adopting the technical scheme, after an operator combines and fixes the positions of the hydraulic pin withdrawing device base 4 and the ejector rod 10, the hydraulic nut 3 is pressurized into the supporting seat 1 through the manual hydraulic pump 6, so that the pin shaft is pushed out by the hydraulic nut 3 by 10mm, the manual hydraulic pump 6 is disassembled, the hydraulic nut 3 is pressurized again after being adjusted by 10mm along the guide rod, and the pin shaft is ejected out step by step, so that the efficiency of pushing the pin shaft is greatly improved, the construction safety is greatly improved, when the length of the pin shaft is too long, the length of the ejector rod 10 needs to be adjusted, the fixing screw rod 15 is pulled outwards to be not in contact with the limiting groove 12, so that the connecting block 16 extrudes the rigid spring 17 to shrink, then the ejector rod 10 is pulled outwards to drive the sliding block 11 to move to the outside in the sliding groove 9, the limiting groove 12 is aligned with the position of the fixing screw rod 15, then the fixing screw rod 15 is loosened, the fixing screw rod 15 is driven to be inserted into the limiting groove 12 under the self elastic force of the rigid spring 17, the ejector rod 10 is adjusted to adjust the length in the fixing sleeve 8, the structure to adjust the length of the pin shaft, and further meet the requirements of the ejector rod 10.

The above description is for illustrative purposes only, and it is obvious that the present invention is not limited by the above embodiments, and the present invention is not limited by the above description, and the present invention is applicable to other situations without any improvement or any substantial improvement.

Claims

1. The utility model provides a fluid pressure type moves back pintle ware, moves back pintle ware base, its characterized in that including supporting seat, hydraulic nut and hydraulic pressure: the inside of supporting seat is provided with the shifting chute, and the inside of shifting chute is provided with hydraulic nut, and the hydraulic control system output is connected with the one end of supporting seat, removes hydraulic nut's position through hydraulic control system, and one side of hydraulic nut is installed hydraulic pressure and is moved back round pin axle ware base, and hydraulic nut keeps away from hydraulic pressure and moves back round pin axle ware base one side and be connected with elevating system.

2. The hydraulic pin shaft withdrawing device as claimed in claim 1, wherein: the hydraulic control system comprises a manual hydraulic pump and a hydraulic pipeline, the hydraulic pipeline is installed at the output end of the manual hydraulic pump, a moving groove is formed in the supporting seat, a hydraulic nut is arranged in the moving groove, and the moving position of the hydraulic nut is controlled through the hydraulic control system.

3. The hydraulic pin shaft withdrawing device as claimed in claim 1, wherein: elevating system, including fixed sleeve, ejector pin and clamping screw, the spout has been seted up to the fixed sleeve inboard, and the inside of spout is provided with the slider, is provided with the ejector pin between the slider, and the spacing groove has all been seted up to the outer wall of ejector pin.

4. The hydraulic pin removing device according to claim 3, wherein: the utility model discloses a spacing groove, including fixed sleeve, slide bar, connecting block, spacing groove, fixed screw outer wall cover, movable groove has been seted up to fixed sleeve's one end, and the top and the bottom in movable groove install the slide bar, the slide bar outer wall is provided with the connecting block, and is provided with the clamping screw who runs through the spacing groove between the connecting block, clamping screw outer wall cover is equipped with the stiff spring who is connected with movable groove.