CN213231395U

CN213231395U - Anchor jack moves back that facilitates use

Info

Publication number: CN213231395U
Application number: CN202022208203.3U
Authority: CN
Inventors: 方晨; 刘贤达
Original assignee: Changzhou Zhenyou Mining Equipment Co ltd
Current assignee: Changzhou Zhenyou Mining Equipment Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-18
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a move back anchor jack that facilitates use, the on-line screen storage device comprises a base, the terminal surface has been seted up before the inside of base and has been accomodate the chamber, it is provided with the counter weight groove to accomodate the intracavity, the pneumatic cylinder is installed at the top of base, the output shaft top fixedly connected with crane of pneumatic cylinder, the both sides of crane all are provided with the curb plate, the top of curb plate is provided with the bearing plate, the bottom fixedly connected with of bearing plate supports the storehouse, support the bottom inner wall fixedly connected with a plurality of reinforcing frame in storehouse, the equal fixedly connected with support frame of its both sides outer wall, support frame bottom fixedly connected with buffer board, a plurality of springs of top fixedly connected with of buffer board, the top fixed connection of spring is in the bottom that supports. The utility model has the characteristics of structural design is reasonable, convenient to use, difficult skidding and displacement to stability is high, and difficult emergence is rocked and is leaned on during the use.

Description

Anchor jack moves back that facilitates use

Technical Field

The utility model relates to a jack technical field specifically is an anchor jack moves back that facilitates use.

Background

During mining and downhole operations, it is often necessary to use an anchor stripper for stress relief of the roof of the coal mine and for anchor recovery. When the anchor withdrawing device is used, a jack is required to jack the mine roof upwards to support and fix the mine roof so as to withdraw the anchor.

The existing jack is poor in anti-skidding effect due to the reason of structural design, the jack is prone to slipping and displacing, so that the jack is inconvenient to use, the existing jack is general in stability, shaking and inclining are prone to occurring in the using process, potential safety hazards are caused, and therefore the jack is urgently needed to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the jack antiskid effect of prior art and taking place easily and skid and the displacement to be not convenient for use, and stability is general, take place easily in the use and rock the defect with the slope, provide a move back anchor jack that facilitates use. The anchor jack that moves back that facilitates use has structural design rationally, convenient to use, and difficult skidding and displacement to stability is high, is difficult for taking place to rock during the use and characteristics such as slope.

In order to achieve the above object, the utility model provides a following technical scheme: a convenient anchor-withdrawing jack comprises a base, wherein a containing cavity is formed in the front end face of the interior of the base, a counterweight groove is formed in the containing cavity, a handle is fixedly connected to the front end face of the counterweight groove, a hydraulic cylinder is mounted at the top of the base, a lifting frame is fixedly connected to the top end of an output shaft of the hydraulic cylinder, side plates are arranged on two sides of the lifting frame, the side plates are fixedly connected to the base and symmetrically distributed, a bearing plate is arranged above the side plates, a supporting bin is fixedly connected to the bottom of the bearing plate, a plurality of reinforcing frames are fixedly connected to the inner wall of the bottom of the supporting bin, each reinforcing frame is of a cross-shaped structure, the top of each reinforcing frame is fixedly connected to the bottom of the bearing plate, supporting frames are fixedly connected to the outer walls of two sides of the supporting bin, each supporting frame is, the top fixedly connected with of buffer board has a plurality of springs, the top fixed connection of spring is in the bottom that supports the storehouse, be provided with the lug under the buffer board, lug fixed connection is at the top of crane.

Preferably, the equal fixedly connected with fixture block in bottom both sides of bearing plate, the cross section of fixture block is the T font, and its bottom is protruding downwards and is the symmetric distribution, the top surface of curb plate is seted up with fixture block matched with draw-in groove, the groove width of draw-in groove equals with the bulge width of fixture block bottom, just the draw-in groove is located same straight line with the center of fixture block.

Preferably, the outer wall of the side plate is fixedly connected with a pair of supports, a guide rod is fixedly connected between the supports, a rod body sleeve of the guide rod is provided with a limiting pipe, the pipe wall of the limiting pipe is fixedly connected with a limiting frame, the limiting frame is L-shaped, and the top end of the limiting frame is fixedly connected to the bottom of the bearing plate.

Preferably, the side walls of the two sides of the lifting frame are fixedly connected with a pair of wheel frames, a wheel shaft is fixedly connected between each pair of the wheel frames, a guide wheel is movably connected to the shaft body of the wheel shaft, the guide wheel is attached to the inner wall of the side plate, a circle of wheel teeth are uniformly distributed on the surface of the wheel wall of the side plate, and a plurality of rack teeth meshed with the wheel teeth of the guide wheel are uniformly distributed on the surface of the inner wall of the side plate.

Preferably, the outer walls of the two sides of the base are fixedly connected with fixing frames, the fixing frames are L-shaped, the bottoms of the fixing frames are fixedly connected with anti-skid plates, the surfaces of the bottoms of the anti-skid plates are provided with a layer of rubber pad, and herringbone anti-skid lines are carved on the surfaces of the rubber pad.

Preferably, the both sides lateral wall of accomodating the chamber all fixedly connected with slider, the both sides outer wall in counter weight groove has all been seted up with slider matched with spout, the spout is located same straight line with the center of slider.

Preferably, a plurality of hemispherical rubber blocks are uniformly distributed on the bottom surface of the buffer plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the structure is reasonable in design and convenient to use, and the friction force between the antiskid plate and the ground can be increased through the rubber pad at the bottom of the antiskid plate so as to improve the stability of the base, thereby effectively preventing the jack from slipping and displacing to influence the use;

2. the supporting frame is used for supporting and reinforcing the bearing plate, so that the bearing plate is prevented from bending and deforming after bearing, and the limiting pipe is matched with the guide rod to improve the stability of the bearing plate, so that potential safety hazards caused by shaking and inclination of the bearing plate are prevented;

3. stability is high, and the balancing weight of corresponding weight can be placed as required to the counter weight inslot to improve the equilibrium of this jack, utilize mutually supporting between fixture block and the draw-in groove to fix a position and fix the bearing plate, in order to prevent that it from taking place the displacement and influencing the normal use of this jack.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view of fig. 1 at B.

Reference numbers in the figures: 1. a base; 2. a receiving cavity; 3. a counterweight groove; 4. a handle; 5. a hydraulic cylinder; 6. a lifting frame; 7. a side plate; 8. a bearing plate; 9. a supporting bin; 10. a support frame; 11. a buffer plate; 12. a spring; 13. a bump; 14. a clamping block; 15. a card slot; 16. a support; 17. a guide bar; 18. a limiting pipe; 19. a limiting frame; 20. a wheel carrier; 21. a guide wheel; 22. a fixed mount; 23. an anti-skid plate; 24. a slider; 25. a chute; 26. and (7) reinforcing the frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a convenient anchor-withdrawing jack comprises a base 1, wherein the outer walls of two sides of the base 1 are fixedly connected with a fixed frame 22, the fixed frame 22 is L-shaped, the bottom of the fixed frame is fixedly connected with an anti-skid plate 23, the bottom surface of the anti-skid plate 23 is provided with a layer of rubber pad, the surface of the rubber pad is engraved with herringbone anti-skid lines, the friction force between the anti-skid plate 23 and the ground can be increased, so that the stability of the base 1 is improved, the jack is effectively prevented from skidding and displacement to affect the use, the front end surface of the inner part of the base 1 is provided with a containing cavity 2, a counterweight groove 3 is arranged in the containing cavity 2, the front end surface of the counterweight groove 3 is fixedly connected with a handle 4, the counterweight groove 3 can be drawn out of the containing cavity 2 through the handle 4, a counterweight block with corresponding weight can be placed in the counterweight groove 3 according to the requirement, so that the balance of the jack is improved, the jack is further, the outer walls of two sides of the counterweight groove 3 are respectively provided with a sliding groove 25 matched with the sliding block 24, the sliding groove 25 and the sliding block 24 are positioned on the same straight line, the counterweight groove 3 can be limited by utilizing the mutual matching between the sliding block 24 and the sliding groove 25 so as to prevent the counterweight groove 3 from shaking and colliding with the base 1 in the drawing process, the top of the base 1 is provided with a hydraulic cylinder 5, the top end of an output shaft of the hydraulic cylinder 5 is fixedly connected with a lifting frame 6, the lifting frame 6 can be driven to move up and down by driving the hydraulic cylinder 5, two sides of the lifting frame 6 are respectively provided with a side plate 7, the side plates 7 are fixedly connected on the base 1 and are symmetrically distributed, two side walls of the lifting frame 6 are respectively and fixedly connected with a pair of wheel frames 20, a wheel shaft is respectively and fixedly connected between each pair of wheel frames 20, the shaft body of the wheel shaft is movably connected with a guide wheel 21, the, the surface of the wheel wall of the guide wheel 21 is uniformly distributed with a circle of wheel teeth, the surface of the inner wall of the side plate 7 is uniformly distributed with a plurality of strip teeth meshed with the wheel teeth of the guide wheel 21, the stability of the lifting frame 6 can be improved by utilizing the mutual meshing between the strip teeth and the wheel teeth, so as to prevent the lifting frame from shaking and inclining when moving up and down, a bearing plate 8 is arranged above the side plate 7, two sides of the bottom of the bearing plate 8 are fixedly connected with clamping blocks 14, the cross sections of the clamping blocks 14 are T-shaped, the bottoms of the clamping blocks 14 are downwards convex and symmetrically distributed, the top surface of the side plate 7 is provided with clamping grooves 15 matched with the clamping blocks 14, the groove widths of the clamping grooves 15 are equal to the widths of the convex parts at the bottoms of the clamping blocks 14, the centers of the clamping grooves 15 and the clamping blocks 14 are positioned on the same straight line, the clamping, in order to prevent the jack from being influenced by displacement and normal use, when the lifting frame 6 moves up and down, the bearing plate 8 can be driven to move up and down together, the outer wall of the side plate 7 is fixedly connected with a pair of brackets 16, a guide rod 17 is fixedly connected between the pair of brackets 16, the rod body of the guide rod 17 is sleeved with a limiting pipe 18, the pipe wall of the limiting pipe 18 is fixedly connected with a limiting frame 19, the limiting frame 19 is L-shaped, the top end of the limiting frame is fixedly connected with the bottom of the bearing plate 8, when the bearing plate 8 moves up and down, the limiting frame 19 and the limiting pipe 18 can be driven to slide up and down along the guide rod 17, the stability of the bearing plate 8 can be improved by utilizing the mutual matching between the limiting pipe 18 and the guide rod 17 so as to prevent the bearing plate from shaking and inclining to cause potential safety hazards, the bottom of the bearing plate 8 is fixedly connected with a supporting bin 9, the, the top of the supporting plate is fixedly connected with the bottom of the bearing plate 8, the bearing plate 8 can be supported and reinforced by the reinforcing frame 26, so as to prevent the bearing plate 8 from bending and deforming after bearing, the outer walls of the two sides of the supporting bin 9 are fixedly connected with supporting frames 10, the supporting frames 10 are L-shaped, the bottom of the lifting frame is fixedly connected with a buffer plate 11, the top of the buffer plate 11 is fixedly connected with a plurality of springs 12, the top ends of the springs 12 are fixedly connected with the bottom of the supporting bin 9, a convex block 13 is arranged right below the buffer plate 11, the convex block 13 is fixedly connected with the top of the lifting frame 6, the buffer plate 11 can tightly abut against the top surface of the convex block 13 under the action of the spring 12, a plurality of hemispherical rubber blocks are uniformly distributed on the bottom surface of the buffer plate 11, when the buffer plate 11 contacts with the surface of the convex block 13, elastic deformation can occur, thereby, the effect of buffering protection can be achieved, and collision and abrasion caused by direct contact between the buffer plate 11 and the bump 13 can be avoided.

The working principle is as follows: when the utility model is used, the jack is firstly placed at a designated position and is positioned under a mine roof, then the hydraulic cylinder 5 is driven to drive the lifting frame 6 to move upwards, the lifting frame 6 can drive the lug 13 to move upwards when moving upwards, so that the supporting bin 9 and the bearing plate 8 can be jacked upwards through the action of the lug 13 on the buffer plate 11, so that the roof of a coal mine tunnel can be released by stress and an anchorage device can be recovered through the anchorage device, the friction force between the antiskid plate 23 and the ground can be increased through the rubber pad at the bottom of the antiskid plate 23, so that the stability of the base 1 can be improved, the jack is effectively prevented from slipping and displacing to influence the use, the bearing plate 8 can be supported and reinforced through the reinforcing frame 26, so that the bearing plate 8 is prevented from bending deformation after bearing, the bearing plate 8 can be positioned and fixed by utilizing the mutual matching between the clamping block 14 and the clamping groove 15, so as to prevent the normal use of the jack from being influenced by the displacement of the bearing plate, and the stability of the bearing plate 8 can be improved by utilizing the mutual matching between the limiting pipe 18 and the guide rod 17, so as to prevent the bearing plate from shaking and inclining to cause potential safety hazards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a retreat anchor jack that facilitates use, includes base (1), its characterized in that: the front end face of the interior of the base (1) is provided with a containing cavity (2), a counterweight groove (3) is arranged in the containing cavity (2), the front end face of the counterweight groove (3) is fixedly connected with a handle (4), the top of the base (1) is provided with a hydraulic cylinder (5), the top end of an output shaft of the hydraulic cylinder (5) is fixedly connected with a lifting frame (6), two sides of the lifting frame (6) are respectively provided with a side plate (7), the side plates (7) are fixedly connected on the base (1) and are symmetrically distributed, a bearing plate (8) is arranged above the side plates (7), the bottom of the bearing plate (8) is fixedly connected with a supporting bin (9), the inner wall of the bottom of the supporting bin (9) is fixedly connected with a plurality of reinforcing frames (26), the reinforcing frames (26) are of a cross-shaped structure, and the top of the reinforcing frames are fixedly connected to the bottom of, the utility model discloses a support storehouse, including support storehouse (9), support frame (10) are L shape, its bottom fixedly connected with buffer board (11), a plurality of springs (12) of top fixedly connected with of buffer board (11), the top fixed connection of spring (12) is in the bottom of supporting storehouse (9), be provided with lug (13) under buffer board (11), lug (13) fixed connection is at the top of crane (6).

2. A conveniently used anchor withdrawing jack as claimed in claim 1, wherein: the equal fixedly connected with fixture block (14) in bottom both sides of bearing plate (8), the cross section of fixture block (14) is the T font, and its bottom is bellied downwards and is the symmetric distribution, draw-in groove (15) with fixture block (14) matched with have been seted up on the top surface of curb plate (7), the groove width of draw-in groove (15) equals with the bulge width of fixture block (14) bottom, just draw-in groove (15) are located same straight line with the center of fixture block (14).

3. A conveniently used anchor withdrawing jack as claimed in claim 1, wherein: the utility model discloses a bearing plate, including curb plate (7), the outer wall fixedly connected with of curb plate (7) is a pair of support (16), and is a pair of fixedly connected with guide arm (17) between support (16), the pole body cover of guide arm (17) is equipped with spacing pipe (18), the pipe wall fixedly connected with spacing (19) of spacing pipe (18), spacing (19) are L shape, and its top fixed connection is in the bottom of bearing plate (8).

4. A conveniently used anchor withdrawing jack as claimed in claim 1, wherein: the side walls of the two sides of the lifting frame (6) are fixedly connected with a pair of wheel frames (20), each pair of wheel frames (20) are fixedly connected with a wheel shaft, a shaft body of each wheel shaft is movably connected with a guide wheel (21), each guide wheel (21) is attached to the inner wall of the side plate (7), a circle of wheel teeth are uniformly distributed on the surface of the wheel wall of each wheel frame, and a plurality of strip teeth meshed with the wheel teeth of the guide wheels (21) are uniformly distributed on the surface of the inner wall of the side plate (7).

5. A conveniently used anchor withdrawing jack as claimed in claim 1, wherein: the anti-skid device is characterized in that fixing frames (22) are fixedly connected to the outer walls of the two sides of the base (1), the fixing frames (22) are L-shaped, anti-skid plates (23) are fixedly connected to the bottoms of the fixing frames, a layer of rubber pad is arranged on the surface of the bottom of each anti-skid plate (23), and herringbone anti-skid lines are carved on the surface of each rubber pad.

6. A conveniently used anchor withdrawing jack as claimed in claim 1, wherein: accomodate equal fixedly connected with slider (24) of both sides lateral wall in chamber (2), both sides outer wall in counter weight groove (3) has all been seted up with slider (24) matched with spout (25), spout (25) are located same straight line with the center of slider (24).

7. A conveniently used anchor withdrawing jack as claimed in claim 1, wherein: the bottom surface of the buffer plate (11) is uniformly distributed with a plurality of hemispherical rubber blocks.