CN214091911U

CN214091911U - Hydraulic prop for coal mine

Info

Publication number: CN214091911U
Application number: CN202022536541.XU
Authority: CN
Inventors: 朱海峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-08-31
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a hydraulic prop for coal mine, the on-line screen storage device comprises a base and a supporting plate, base up end fixedly connected with hydraulic column, the output fixedly connected with support column of hydraulic column, support column side fixedly connected with mounting bracket, be provided with the third pivot in the mounting bracket, it is connected with the telescopic link to rotate in the third pivot, the spout has been seted up to the terminal surface under the backup pad, sliding connection has the buffering wheel in the spout, be provided with the second pivot in the buffering wheel, it is connected with the sleeve to rotate in the second pivot, cup jointed first dog in the sleeve, telescopic link top end fixed connection is in first dog bottom. The utility model discloses in, the effect between a plurality of parts can cooperate the hydraulic pressure post to use together, and the pressure that the backup pad bore is alleviated in help, provides fine cushioning effect when deflection angle between backup pad and support column, promotes the bearing capacity and the intensity of pillar to promote the work safety degree in colliery.

Description

Hydraulic prop for coal mine

Technical Field

The utility model relates to a hydraulic prop field especially relates to a hydraulic prop for coal mine.

Background

The single hydraulic prop for the mine single hydraulic prop is an external supply constant resistance single hydraulic prop, can be matched with various top beams, and can also be used as a main prop. The support can be used for supporting a roof on a blasting mining working face and can also be used for other temporary supports. Has the following advantages: the working stroke is large, and the safety management cost is low; the support strength is high, and the safety and stability are good; the leakage is easy to find, and the safety and reliability are high; long service life and simple and convenient operation and maintenance.

The existing hydraulic prop for the coal mine has poor deflection angle in the actual use process, or influences the supporting and buffering effect when the deflection angle is too large, and easily causes the prop to touch the ground and be unstable due to the uneven ground inside the coal mine, so that the supporting effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hydraulic prop for coal mines.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a hydraulic prop for a coal mine comprises a base and a supporting plate, wherein a hydraulic column is fixedly connected to the upper end surface of the base, a supporting column is fixedly connected to the output end of the hydraulic column, a mounting frame is fixedly connected to the side edge of the supporting column, a third rotating shaft is arranged in the mounting frame, a telescopic rod is rotatably connected to the third rotating shaft, a sliding groove is formed in the lower end surface of the supporting plate, a buffering wheel is slidably connected in the sliding groove, a second rotating shaft is arranged in the buffering wheel, a sleeve is rotatably connected to the second rotating shaft, a first stop block is sleeved in the sleeve, and the top end of the telescopic rod is fixedly connected to the bottom end of the first stop block;

first mounting groove has been seted up to the terminal surface under the backup pad, be provided with first pivot between the first mounting groove inner wall both sides, it is connected with the toper piece to rotate on the first pivot, support column top fixed connection is in toper piece bottom, support column upper end side fixedly connected with buffer block, first mounting groove inner wall top fixedly connected with fixed block, the first spring of fixedly connected with between fixed block and the buffer block.

As a further description of the above technical solution:

the base bottom has been seted up the second mounting groove, be provided with the piston piece in the second mounting groove, piston piece bottom fixedly connected with foundation, foundation bottom fixedly connected with bottom plate.

As a further description of the above technical solution:

and a second spring is arranged on the outer side of the bottom column extending out of the second mounting groove part.

As a further description of the above technical solution:

and a second stop block is fixedly connected to the periphery of the lower end of the second mounting groove, and the piston block is positioned above the second stop block.

As a further description of the above technical solution:

the mounting bracket is provided with two sets ofly, two sets of the mounting bracket is located the support column both sides respectively.

As a further description of the above technical solution:

the fixed block and the buffer block are both provided with two sets, and the fixed block and the two sets of buffer blocks are respectively located on two sides of the first rotating shaft.

As a further description of the above technical solution:

four groups of second mounting grooves are arranged, and the four groups of second mounting grooves are equidistantly positioned on the lower end face of the base.

As a further description of the above technical solution:

and a third spring is arranged in the sleeve and fixedly connected between the upper end of the inner wall of the sleeve and the top end of the first stop block.

The utility model discloses following beneficial effect has:

1. the utility model discloses a mounting bracket, telescopic link, sleeve, buffer wheel, third spring etc. that set up, effect each other can cooperate the hydraulic column to use together, and the pressure that the backup pad bore is alleviated in the help, promotes the bearing capacity and the intensity of pillar to promote the work safety degree in colliery.

2. The utility model discloses a fixed block, buffer block, first spring etc. that set up can provide fine cushioning effect when deflection angle between backup pad and the support column, make the support cushioning effect of its performance pillar that can be better, effective hoisting device's life.

3. The utility model discloses a piston piece, foundation, second spring etc. that set up can make pillar rather than better comprehensive contact at the subaerial of colliery unevenness, promote the supporting effect.

4. The utility model discloses a hydraulic pressure post and the support column that set up, hydraulic pressure post work props up the backup pad, can play better supporting role, promotes factor of safety.

Drawings

Fig. 1 is a schematic structural diagram of a hydraulic prop for coal mine according to the present invention;

fig. 2 is a schematic view of the connection between the bottom pillar and the second spring of the hydraulic prop for coal mine according to the present invention;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. a support plate; 2. a fixed block; 3. a first mounting groove; 4. a first rotating shaft; 5. a first spring; 6. a chute; 7. a buffer wheel; 8. a second rotating shaft; 9. a sleeve; 10. a first stopper; 11. a telescopic rod; 12. A mounting frame; 13. a base; 14. a second spring; 15. a base plate; 16. a hydraulic column; 17. a third rotating shaft; 18. a third spring; 19. a buffer block; 20. a bottom pillar; 21. a second mounting groove; 22. a piston block; 23. a second stopper; 24. a support pillar; 25. and (5) a conical block.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a hydraulic prop for coal mines comprises a base 13 and a support plate 1, wherein a hydraulic prop 16 is fixedly connected to the upper end face of the base 13, a support column 24 is fixedly connected to the output end of the hydraulic prop 16, an installation frame 12 is fixedly connected to the side edge of the support column 24, a third rotating shaft 17 is arranged in the installation frame 12, a telescopic rod 11 is rotatably connected to the third rotating shaft 17, a sliding groove 6 is formed in the lower end face of the support plate 1, a buffer wheel 7 is slidably connected in the sliding groove 6, a second rotating shaft 8 is arranged in the buffer wheel 7, a sleeve 9 is rotatably connected to the second rotating shaft 8, a first stop block 10 is sleeved in the sleeve 9, the top end of the telescopic rod 11 is fixedly connected to the bottom end of the first stop block 10, the mutual action of the installation frame 12, the telescopic rod 11, the sleeve 9, the buffer wheel 7 and a third spring 18 can be matched with the hydraulic prop 16 for use, the purpose of relieving the pressure borne by the support plate 1 and improving the bearing capacity and strength of the prop, thereby improving the working safety of the coal mine.

First mounting groove 3 has been seted up to terminal surface under backup pad 1, be provided with first pivot 4 between 3 inner wall both sides of first mounting groove, it is connected with toper piece 25 to rotate on the

first pivot

4, 24 top fixed connections of support column are in toper piece 25 bottom, 24 upper end side fixedly connected with buffer block 19 of support column, 3 inner wall top fixedly connected with fixed block 2 of first mounting groove, the first spring of fixedly connected with 5 between fixed block 2 and the buffer block 19, fixed block 2, buffer block 19, first spring 5 can provide fine cushioning effect when deflecting angle between backup pad 1 and support column 24, make the support cushioning effect of the better performance pillar of its ability, effective hoisting device's life.

The bottom end of the base 13 is provided with a second mounting groove 21, a piston block 22 is arranged in the second mounting groove 21, the bottom end of the piston block 22 is fixedly connected with a bottom post 20, the bottom end of the bottom post 20 is fixedly connected with a bottom plate 15, the outer side of the part, extending out of the second mounting groove 21, of the bottom post 20 is provided with a second spring 14, the periphery of the lower end of the second mounting groove 21 is fixedly connected with a second stop block 23, the piston block 22 is positioned above the second stop block 23, two groups of mounting frames 12 are respectively positioned at two sides of a support post 24, two groups of fixing blocks 2 and two groups of buffer blocks 19 are respectively arranged, the second mounting groove 21 is provided with four groups, the four groups of second mounting grooves 21 are equidistantly positioned at the lower end surface of the base 13, a third spring 18 is arranged in the sleeve 9, the third spring 18 is fixedly connected between the upper end of the inner wall of the sleeve 9 and the top end of the first stop block 10, piston block 22, sill pillar 20, second spring 14 etc. can make the pillar rather than better comprehensive contact on the subaerial of colliery unevenness, promote the supporting effect, and hydraulic pressure post 16 work props up backup pad 1, can play better supporting role, promotes factor of safety.

The working principle is as follows: when using this pillar, pass through the foundation 20 with the pillar and install on the colliery subaerial, can make pillar and better comprehensive contact at the subaerial of colliery unevenness, promote the supporting effect, when deflecting the angle between backup pad 1 and the support column 24 through first pivot 4, sleeve 9 and buffer wheel 7 effect each other can cooperate hydraulic column 16 to use together, the pressure that backup pad 1 bore is alleviated in the help, make the support cushioning effect of its better performance pillar, effective hoisting device's life.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a hydraulic prop for coal mine, includes base (13) and backup pad (1), its characterized in that: the hydraulic support is characterized in that a hydraulic column (16) is fixedly connected to the upper end face of the base (13), a support column (24) is fixedly connected to the output end of the hydraulic column (16), an installation frame (12) is fixedly connected to the side edge of the support column (24), a third rotating shaft (17) is arranged in the installation frame (12), a telescopic rod (11) is rotatably connected to the third rotating shaft (17), a sliding groove (6) is formed in the lower end face of the support plate (1), a buffer wheel (7) is slidably connected to the sliding groove (6), a second rotating shaft (8) is arranged in the buffer wheel (7), a sleeve (9) is rotatably connected to the second rotating shaft (8), a first stop block (10) is sleeved in the sleeve (9), and the top end of the telescopic rod (11) is fixedly connected to the bottom end of the first stop block (10);

first mounting groove (3) have been seted up to terminal surface under backup pad (1), be provided with first pivot (4) between first mounting groove (3) inner wall both sides, it is connected with toper piece (25) to rotate on first pivot (4), support column (24) top fixed connection is in toper piece (25) bottom, support column (24) upper end side fixedly connected with buffer block (19), first mounting groove (3) inner wall top fixedly connected with fixed block (2), first spring (5) of fixedly connected with between fixed block (2) and buffer block (19).

2. A coal mine hydraulic prop according to claim 1, wherein: the base (13) bottom has been seted up second mounting groove (21), be provided with piston block (22) in second mounting groove (21), piston block (22) bottom fixedly connected with foundation (20), foundation (20) bottom fixedly connected with bottom plate (15).

3. A coal mine hydraulic prop according to claim 2, wherein: and a second spring (14) is arranged on the outer side of the part, extending out of the second mounting groove (21), of the bottom column (20).

4. A coal mine hydraulic prop according to claim 2, wherein: a second stop block (23) is fixedly connected to the periphery of the lower end of the second mounting groove (21), and the piston block (22) is located above the second stop block (23).

5. A coal mine hydraulic prop according to claim 1, wherein: the mounting rack (12) is provided with two groups, and the two groups of mounting racks (12) are respectively positioned on two sides of the supporting column (24).

6. A coal mine hydraulic prop according to claim 1, wherein: the fixed block (2) and the buffer blocks (19) are respectively provided with two sets, and the two sets of the fixed block (2) and the two sets of the buffer blocks (19) are respectively positioned on two sides of the first rotating shaft (4).

7. A coal mine hydraulic prop according to claim 2, wherein: four groups of second mounting grooves (21) are arranged, and the four groups of second mounting grooves (21) are equidistantly positioned on the lower end face of the base (13).

8. A coal mine hydraulic prop according to claim 1, wherein: a third spring (18) is arranged in the sleeve (9), and the third spring (18) is fixedly connected between the upper end of the inner wall of the sleeve (9) and the top end of the first stop block (10).