CN215830528U

CN215830528U - Support for coal mine

Info

Publication number: CN215830528U
Application number: CN202121098794.1U
Authority: CN
Inventors: 苏燚豪; 常金鹏; 郭宁静; 蓝小明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-02-15
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to the technical field of supporting devices and discloses a support for a coal mine, which comprises a first supporting column and a second supporting column, a cross beam is arranged between the first supporting column and the second supporting column, a second rectangular cavity is arranged in the second supporting column, the second rectangular cavity is provided with a sliding device, the side wall of one side of the cross beam is provided with a protective device, by arranging the threaded rod, the rectangular threaded sleeve, the driven bevel gear, the driving bevel gear, the rotating rod and the like to be matched with each other, so that the worker rotates the rotating block by means of the auxiliary tool to enable the upper surface of the cross beam to be abutted against the upper surface of the inner wall of the coal mine tunnel, thereby supporting the top of the coal mine, avoiding the traditional support only contacting with the top of the coal mine, the support cannot be abutted against the top of the coal mine channel, the support effect is achieved, and collapse of the coal mine channel is effectively prevented.

Description

Support for coal mine

Technical Field

The utility model relates to the technical field of supporting devices, in particular to a coal mine support.

Background

Coal mines are generally divided into underground coal mines and open pit coal mines, and when a coal seam is far from the ground surface, coal is generally selected to be excavated into an underground excavation roadway, namely the underground coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine.

In the mining of current colliery, all need adopt the colliery to protect it with strutting, prevent to appear the colliery way condition of collapsing at the in-process of colliery workman in the colliery, however current colliery is with supporting structure simple, the function is single, can't satisfy people's multiple demand, on the one hand, current colliery is strutted and can play the effect of support, but can not prevent that the small piece of stone from falling into on the colliery way, the small piece of stone has the danger of smashing the colliery workman, on the other hand, current colliery is strutted, can't play the jack-up support to the soil horizon on colliery way top, can't prevent that the condition of local collapse in colliery top from appearing.

Therefore, a coal mine support is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a support for a coal mine.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a support for coal mine, includes first support column and second support column, be provided with the crossbeam between first support column and the second support column, first rectangle chamber has been seted up to the inside of first support column, be provided with jacking device in the first rectangle chamber, first bar groove has been seted up to first support column lateral wall, first bar groove and first rectangle chamber intercommunication set up, second rectangle chamber has been seted up in the second support column, second rectangle chamber is provided with slider, second bar groove has been seted up to second support column lateral wall, second bar groove and second rectangle chamber intercommunication set up, the both ends of crossbeam are passed through the connecting block and are connected the setting with first support column and second support column respectively, one side lateral wall of crossbeam is provided with protector.

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

1. according to the utility model, through the arrangement of the threaded rod, the rectangular threaded sleeve, the driven bevel gear, the driving bevel gear, the rotating rod and the like which are matched with each other, a worker rotates the rotating block by means of an auxiliary tool, so that the upper surface of the cross beam is abutted against the upper surface of the inner wall of the coal mine channel, and the top of the coal mine channel is supported, the situation that the traditional support only can be contacted with the top of the coal mine channel but cannot be abutted against the top of the coal mine channel is avoided, the support effect is achieved, and the collapse of the coal mine channel is effectively prevented.

2. According to the utility model, the winding wheel and the protective net are matched with each other, so that the broken small stones at the upper end of the inner wall of the coal mine can be effectively prevented from falling to injure coal mine workers, the protective net also has the function of collecting the broken small stones, and when a large amount of broken small stones are accumulated on the protective net, workers can collect the broken small stones on the protective net while collecting the protective net.

Drawings

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

FIG. 2 is a schematic view of the main section structure of the present invention;

FIG. 3 is a schematic side view of the first supporting pillar of the present invention;

FIG. 4 is a schematic front view of the cross beam according to the present invention;

FIG. 5 is a schematic top view of a cross member according to the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a first support column; 2. a second support column; 3. a first rectangular cavity; 4. a threaded rod; 5. a rectangular thread bush; 6. a driven bevel gear; 7. a drive bevel gear; 8. rotating the rod; 9. Rotating the block; 10. a cross beam; 11. a support plate; 12. a winding wheel; 13. a protective net; 14. fixing the rod; 15. a slide bar; 16. a rectangular sliding sleeve; 17. a second strip groove; 18. a second rectangular cavity; 19. a first strip-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, a support for coal mine, including first support column 1 and second support column 2, be provided with crossbeam 10 between first support column 1 and the second support column 2, first rectangle chamber 3 has been seted up to first support column 1's inside, be provided with jack-up device in the first rectangle chamber 3, first bar groove 19 has been seted up to first support column 1 lateral wall, first bar groove 19 and first rectangle chamber 3 intercommunication set up, second rectangle chamber 18 has been seted up in the second support column 2, second rectangle chamber 18 is provided with slider, second bar groove 17 has been seted up to second support column 2 lateral wall, second bar groove 17 and second rectangle chamber 18 intercommunication set up, the both ends of crossbeam 10 are passed through the connecting block and are connected the setting with first support column 1 and second support column 2 respectively, one side lateral wall of crossbeam 10 is provided with protector.

Further, referring to fig. 1, 2, 4 or 5, the jacking device includes a threaded rod 4, two ends of the threaded rod 4 are rotatably connected with an inner wall of the first rectangular cavity 3, a rectangular threaded sleeve 5 is connected to the threaded rod 4 through a thread, an outer wall of the rectangular threaded sleeve 5 is fixedly connected with one end of a side wall of the cross beam 10 through a connecting block, a driven bevel gear 6 is sleeved at a lower end of the threaded rod 4, the driven bevel gear 6 is fixedly connected with the threaded rod 4, a driving bevel gear 7 is meshed with the driven bevel gear 6, a rotating rod 8 is fixedly connected to a side wall of the driving bevel gear 7, the rotating rod 8 penetrates through an inner wall of the first support column 1 and extends to the outside, a rotating block 9 is fixedly connected to one end of the rotating rod 8 far away from the driving bevel gear 7, the rotating block 9 is rotated by an auxiliary tool through the threaded rod 4, the rectangular threaded sleeve 5, the driven bevel gear 6, the driving bevel gear 7 and the like, the drive bevel gear 7 can drive the rectangular thread sleeve 5 when rotating, and then can drive the top of crossbeam 10 and ore deposit way and offset, play the supporting role, avoid not having the supporter to support it in the ore deposit way and make the ore deposit way under the effect of gravity, the condition that the slump appears easily.

Further, referring to fig. 2 or 4, the sliding device includes a sliding rod 15, two ends of the sliding rod 15 are both fixedly connected to an inner wall of the second rectangular cavity 18, a rectangular sliding sleeve 16 is sleeved on the sliding rod 15, the rectangular sliding sleeve 16 is slidably connected to the sliding rod 15, and an outer wall of the rectangular sliding sleeve 16 is fixedly connected to one end, close to the second supporting column 2, of the cross beam 10 through a connecting block.

Further, referring to fig. 1, 2, 4 or 5, the protecting device includes a set of symmetrically disposed supporting plates 11, a side wall of one side of the set of symmetrically disposed supporting plates 11 is fixedly connected with a side wall of the beam 10, a rotating rod is disposed between the set of symmetrically disposed supporting plates 11, a winding wheel 12 is sleeved on the rotating rod, the winding wheel 12 is fixedly connected with the rotating rod, two ends of the rotating rod are rotatably connected with the side wall of the supporting plate 11, a protective net 13 is wound on the winding wheel 12, one end of the protective net 13 is fixedly connected with the side wall of the winding wheel 12, the other end of the protective net 13 is fixedly connected with a fixing rod 14, and the winding wheel 12 and the protective net 13 are mutually matched, so as to effectively prevent small broken stones on the mine from falling onto the coal mine, thereby protecting coal mine workers and preventing small broken stones falling onto the coal mine from hitting the coal mine workers, on the other hand, through setting up protection network 13, the staff of being convenient for carries out the effect of unified collection to the garrulous small stone piece of piling up on protection network 13.

Further, referring to fig. 1, 2, 3 or 6, the cross section of the turning block 9 is rectangular, and the cross section of the turning block 9 is rectangular, so that the worker can rotate the turning rod 8 with the help of an auxiliary tool, and further can drive the driving bevel gear 7 to rotate.

According to the working principle of the utility model, firstly, a worker installs a first support column 1 and a second support column 2 on the side wall of a coal mine hole, after the first support column 1 and the second support column 2 are fixed with the ground of a coal mine, the worker twists a rotating block 9 by means of an auxiliary tool, the rotating block 9 drives a rotating rod 8 to rotate in the rotating process, further, a driving bevel gear 7 can be driven to rotate, a driven bevel gear 6 is driven to rotate, a threaded rod 4 is driven to rotate, the threaded rod 4 drives a rectangular threaded sleeve 5 to ascend in the rotating process, the rectangular threaded sleeve 5 enables a cross beam 10 to be abutted against the top of the coal mine hole in the ascending process, further, the top of the coal mine hole is supported, the situation that the traditional support can only be contacted with the top of the coal mine hole and a protection plate cannot be abutted against the top of the coal mine hole is avoided, the support effect is achieved, and the collapse of the coal mine hole is effectively prevented, through pulling dead lever 14 for the protection network 13 of winding on rolling wheel 12 stretches out, struts dead lever 14 and another group mutually and fixes, through setting up protection network 13, makes the garrulous small stone piece on coal mine way top can directly not fall into the ore deposit way, and the effectual in-process of having avoided coal miners to walk in the coal mine way is hit the condition by the garrulous small stone piece in coal mine way top, and unnecessary incident that from this causes.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A support for coal mines comprises a first support column (1) and a second support column (2), wherein a cross beam (10) is arranged between the first support column (1) and the second support column (2), and is characterized in that a first rectangular cavity (3) is formed in the first support column (1), a jacking device is arranged in the first rectangular cavity (3), a first strip-shaped groove (19) is formed in the side wall of the first support column (1), the first strip-shaped groove (19) is communicated with the first rectangular cavity (3), a second rectangular cavity (18) is formed in the second support column (2), a sliding device is arranged in the second rectangular cavity (18), a second strip-shaped groove (17) is formed in the side wall of the second support column (2), the second strip-shaped groove (17) is communicated with the second rectangular cavity (18), two ends of the cross beam (10) are respectively connected with the first support column (1) and the second support column (2) through connecting blocks, and a protective device is arranged on the side wall of one side of the cross beam (10).

2. A coal mine support as claimed in claim 1, wherein the jacking means comprises a threaded rod (4), both ends of the threaded rod (4) are rotationally connected with the inner wall of the first rectangular cavity (3), the threaded rod (4) is in threaded connection with a rectangular threaded sleeve (5), the outer wall of the rectangular threaded sleeve (5) is fixedly connected with one end of the side wall of the cross beam (10) through a connecting block, the lower end of the threaded rod (4) is sleeved with a driven bevel gear (6), the driven bevel gear (6) is fixedly connected with the threaded rod (4), a driving bevel gear (7) is meshed on the driven bevel gear (6), the side wall of the driving bevel gear (7) is fixedly connected with a rotating rod (8), the rotating rod (8) penetrates through the inner wall of the first supporting column (1) and extends to the outside, and one end of the rotating rod (8) far away from the driving bevel gear (7) is fixedly connected with a rotating block (9).

3. The support for the coal mine according to claim 1 or 2, wherein the sliding device comprises a sliding rod (15), two ends of the sliding rod (15) are fixedly connected with the inner wall of the second rectangular cavity (18), a rectangular sliding sleeve (16) is sleeved on the sliding rod (15), the rectangular sliding sleeve (16) is in sliding connection with the sliding rod (15), and the outer wall of the rectangular sliding sleeve (16) is fixedly connected with one end, close to the second supporting column (2), of the cross beam (10) through a connecting block.

4. The support for the coal mine according to claim 1 or 2, wherein the protective device comprises a set of symmetrically arranged supporting plates (11), one side wall of the set of symmetrically arranged supporting plates (11) is fixedly connected with the side wall of the cross beam (10), a rotating rod is arranged between the set of symmetrically arranged supporting plates (11), a winding wheel (12) is sleeved on the rotating rod, the winding wheel (12) is fixedly connected with the rotating rod, two ends of the rotating rod are both rotatably connected with the side wall of the supporting plates (11), a protective net (13) is wound on the winding wheel (12), one end of the protective net (13) is fixedly connected with the side wall of the winding wheel (12), and the other end of the protective net (13) is fixedly connected with a fixing rod (14).

5. The support for coal mines as defined in claim 3, wherein the protecting device comprises a set of symmetrically arranged supporting plates (11), one side wall of the set of symmetrically arranged supporting plates (11) is fixedly connected with the side wall of the beam (10), a rotating rod is arranged between the set of symmetrically arranged supporting plates (11), a winding wheel (12) is sleeved on the rotating rod, the winding wheel (12) is fixedly connected with the rotating rod, both ends of the rotating rod are rotatably connected with the side wall of the supporting plates (11), a protective net (13) is wound on the winding wheel (12), one end of the protective net (13) is fixedly connected with the side wall of the winding wheel (12), and the other end of the protective net (13) is fixedly connected with a fixing rod (14).

6. A coal mine support according to claim 2, wherein the cross-section of the turning block (9) is rectangular.