CN219241950U

CN219241950U - Auxiliary supporting device for coal mine tunnel tunneling

Info

Publication number: CN219241950U
Application number: CN202320798341.2U
Authority: CN
Inventors: 许晓峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-23
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a coal mine tunnel tunneling auxiliary supporting device which belongs to the technical field of coal mine tunnel tunneling supporting, and comprises a main support, wherein the main support is arc-shaped, a through hole is formed in the circumferential surface of the main support, a supporting mechanism is arranged in the through hole, the supporting mechanism comprises an adjusting rod which is connected with the through hole in a sliding mode, a rotating shaft is fixedly connected in the adjusting rod, a rotating seat is connected with the circumferential surface of the rotating shaft in a rotating mode, a supporting plate is fixedly connected to one end of the rotating seat, which is far away from the rotating seat, of the adjusting rod, a first spring is fixedly connected to the upper end of the adjusting rod, one end of the first spring, which is far away from the adjusting rod, is attached to the supporting plate, a mounting ring is fixedly connected to the circumferential surface of the adjusting rod, a second spring is fixedly connected to the lower end of the mounting ring, and one end of the second spring, which is far away from the mounting ring, is fixedly connected with the main support, and the coal mine tunnel can be attached and supported only through simple operation.

Description

Auxiliary supporting device for coal mine tunnel tunneling

Technical Field

The utility model relates to the technical field of coal mine tunnel tunneling support, in particular to a coal mine tunnel tunneling auxiliary support device.

Background

Coal mines are reasonable spaces that humans excavate when mining coal-rich geologic formations, and generally include roadways, shaft pits, and face formations, among others. The coal mine roadways are classified according to different inclination angles of the roadways and can be divided into three types of vertical roadways, horizontal roadways and inclined roadways, wherein the vertical roadways mainly comprise vertical shafts, small vertical air shafts or small vertical air shafts, blind shafts, drop shafts and the like.

The prior publication number is: 202021901467.0 a colliery tunnel tunnelling auxiliary stay device, including first fagging and second fagging, the relative one end swing joint of first fagging and second fagging, the other end of first fagging and second fagging all is equipped with the connecting piece, the bottom surface of first fagging and second fagging just is close to connecting piece department and is equipped with hydraulic stay bar assembly. According to the utility model, after the tunnel is excavated, preliminary support can be completed under the action of the hydraulic support rod assembly through the first support plate and the second support plate, so that the safety operation of manual support personnel is ensured, grouting equipment can be connected with a grouting port for grouting operation, concrete overflows through overflow holes, gaps between the first support plate and the second support plate and the top wall of the tunnel are filled, the concrete and the tunnel are integrated after the concrete is solidified, the structural strength of the concrete is improved, and meanwhile, the first support plate and the second support plate are combined with the concrete to improve the integral strength of a support structure;

the auxiliary supporting device for the tunneling of the coal mine tunnel has the advantages that although the supporting effect on the mine tunnel can be achieved, the inner wall of the coal mine tunnel excavated is uneven, and the auxiliary supporting device is difficult to attach to the inner wall of the coal mine tunnel, so that part of the coal mine tunnel is not supported.

Therefore, the utility model provides an auxiliary supporting device for coal mine tunnel tunneling, which aims to solve the problems that the inner wall of a coal mine tunnel is uneven, and most existing supporting devices cannot be attached to the inner wall of the coal mine tunnel.

Disclosure of Invention

The utility model aims to provide an auxiliary supporting device for coal mine tunnel tunneling, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides an auxiliary supporting device for tunneling in a coal mine tunnel, which comprises a main support, wherein the main support is arc-shaped, a through hole is formed in the circumferential surface of the main support, a supporting mechanism is arranged in the through hole and comprises an adjusting rod which is connected with the through hole in a sliding manner, a rotating shaft is fixedly connected in the adjusting rod, a rotating seat is rotatably connected to the circumferential surface of the rotating shaft, a supporting plate is fixedly connected to one end of the rotating seat, which is far away from the rotating seat, a first spring is fixedly connected to the upper end of the adjusting rod, a joint is formed between one end of the first spring, which is far away from the adjusting rod, and the supporting plate, a mounting ring is fixedly connected to the circumferential surface of the adjusting rod, a second spring is fixedly connected to the lower end of the mounting ring, and the end of the second spring, which is far away from the mounting ring, is fixedly connected with the main support, so that the inner wall of the coal mine tunnel is completely joint and the supporting effect is achieved, and the point position of the part is prevented from being supported, and the supporting effect is prevented.

Preferably, the through hole is internally provided with a limit groove, the circumferential surface of the adjusting rod is fixedly connected with a first limit block, the first limit block is in sliding connection with the limit groove, the circumferential surface of the adjusting rod is fixedly connected with a second limit block, the second limit block is attached to the inner wall of the main support, and the maximum distance when the adjusting rod 3 extends upwards is limited, so that the adjusting rod 3 is prevented from being separated from the main support.

Preferably, the main support inner wall fixedly connected with mounting panel, fixedly connected with sliding rod between the mounting panel, sliding rod circumference sliding connection has the grip block, the arc wall has been seted up to the grip block surface, arc wall and regulation pole circumference size assorted, the grip block is used for the centre gripping regulation pole, be provided with first friction strip in the arc wall, the sliding rod circumference is provided with the second friction strip, mutually support between first friction strip and the second friction strip, reached the effect of fixed regulation pole 3 positions, just can be along with fixing the position of backplate 6.

Preferably, the main support inner wall is fixedly connected with the motor through the connecting block, motor output fixedly connected with two-way threaded rod, threaded connection between two-way threaded rod and the grip block has reached the effect of carrying out the centre gripping fixed to adjusting lever 3, makes its position can not change.

Preferably, the main support lower extreme fixedly connected with backup pad, the guiding hole has been seted up to the backup pad up end, sliding connection has the guide post in the guiding hole, guide post lower extreme fixedly connected with bottom plate, bottom plate upper end fixedly connected with cylinder, fixedly connected with has reached the effect that makes backplate 6 and colliery tunnel laminating between cylinder output and the backup pad.

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

1. according to the utility model, the operation of the starting cylinder is controlled, the supporting plate is driven to move upwards by the output end of the cylinder under the action of the guiding column on the supporting plate, the main support is driven to move upwards by the supporting plate, the supporting plate is attached to the inner wall of the coal mine tunnel, and the supporting plate is in rotary connection with the adjusting rod, so that the supporting plate is attached to the inner wall of the coal mine tunnel under the action of pushing the adjusting rod upwards, the supporting plate is attached to the inner wall of the coal mine tunnel by the second spring, the effect of completely attaching and supporting the inner wall of the coal mine tunnel is achieved, and the effect of supporting a part of point positions is prevented from being unattached and the effect of supporting is influenced.

2. According to the utility model, under the action of the first friction strips arranged in the arc grooves and the second friction strips arranged on the circumferential surface of the adjusting rod, when the clamping plate clamps the adjusting rod through the arc grooves, the situation of slipping when clamping the adjusting rod is prevented, so that the position of the supporting plate is moved, and the supporting effect is influenced.

Drawings

FIG. 1 is a schematic illustration of the present utility model;

FIG. 2 is a schematic view, partially in section, of a support mechanism of the present utility model;

FIG. 3 is a schematic view of a main support of the present utility model;

fig. 4 is a schematic view of a clamping plate in the present utility model.

In the figure: 1. a main support; 2. a through hole; 3. an adjusting rod; 4. a rotating shaft; 5. a rotating seat; 6. a support plate; 7. a first spring; 8. a mounting ring; 9. a second spring; 10. a limit groove; 11. a first limiting block; 12. a second limiting block; 13. a mounting plate; 14. a slide bar; 15. a clamping plate; 16. an arc-shaped groove; 17. a first friction bar; 18. a second friction bar; 19. a motor; 20. a two-way threaded rod; 21. a support plate; 22. a guide hole; 23. a guide post; 24. a bottom plate; 25. and (3) a cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a colliery tunnel tunnelling auxiliary support device, including main support 1, main support 1 is the arc, through-hole 2 has been seted up to main support 1 circumference, be provided with supporting mechanism in the through-hole 2, supporting mechanism is including the regulation pole 3 of sliding connection in through-hole 2, the internal fixedly connected with axis of rotation 4 of regulation pole 3, axis of rotation 4 circumference rotates and is connected with rotation seat 5, the one end fixedly connected with support plate 6 of rotation seat 5 is kept away from, regulation pole 3 upper end fixedly connected with first spring 7, the laminating between one end of regulation pole 3 was kept away from to first spring 7 and support plate 6, the one end fixedly connected with collar 8 of regulation pole 3 circumference, the one end of collar 8 fixedly connected with second spring 9 is kept away from between collar 8 and the main support 1, during operation, through moving equipment to the position that needs the support, at this time, the support plate 6 is limited by the action of the first spring 7, so that the support plate 6 can be opposite to the inner wall of the coal mine tunnel, then the adjusting rod 3 is extended upwards by the action of the second spring 9 and the mounting ring 8, a certain adaptation space is reserved after the adjusting rod 3 is extended upwards, then the main support 1 is driven to move upwards by a part of distance as a whole by the operation of the control cylinder 25, the support plate 6 can be attached to the inner wall of the coal mine tunnel, the support plate 6 is rotationally connected with the adjusting rod 3, the support plate 6 can adaptively rotate when being attached to the inner wall of the coal mine tunnel, at this time, the second spring 9 can enable the support plate 6 to be attached to the inner wall of the coal mine tunnel by pushing the adjusting rod 3 upwards, then the adjusting rod 3 is fixed, thus achieving the effect of completely attaching and supporting the inner wall of the coal mine tunnel and preventing the point position of the part from being supported, affecting the effect of the support.

Embodiment two:

further, the limiting groove 10 is formed in the through hole 2, the first limiting block 11 is fixedly connected to the circumferential surface of the adjusting rod 3, the first limiting block 11 is in sliding connection with the limiting groove 10, the second limiting block 12 is fixedly connected to the circumferential surface of the adjusting rod 3, the second limiting block 12 is attached to the inner wall of the main support 1, when the adjusting rod 3 is limited under the action of the first limiting block 11 and the limiting groove 10 in operation, the adjusting rod 3 cannot rotate, and then the adjusting rod 3 is limited under the action of the second limiting block 12, so that the maximum distance when the adjusting rod 3 stretches out upwards is limited, and the adjusting rod 3 and the main support are prevented from being separated.

Further, the mounting plate 13 is fixedly connected to the inner wall of the main support 1, the sliding rods 14 are fixedly connected between the mounting plates 13, the clamping plates 15 are slidably connected to the circumferential surfaces of the sliding rods 14, the arc-shaped grooves 16 are formed in the surfaces of the clamping plates 15, the arc-shaped grooves 16 are matched with the circumferential surfaces of the adjusting rods 3 in size, the clamping plates 15 are used for clamping the adjusting rods 3, first friction strips 17 are arranged in the arc-shaped grooves 16, second friction strips 18 are arranged on the circumferential surfaces of the sliding rods 14, the first friction strips 17 and the second friction strips 18 are matched with each other, in operation, after the supporting plate 6 is attached to the inner wall of a coal mine roadway, the two clamping plates 15 move towards each other, then the clamping plates are clamped by the arc-shaped grooves 16 formed in the surfaces of the clamping plates 15, slipping is prevented under the action of the first friction strips 17 and the second friction strips 18, after the clamping rods 3 are clamped tightly, the clamping plates 15 are positioned, so that the effect of fixing the position of the adjusting rods 3 is achieved, and the position of the supporting plate 6 can be fixed along with the fixing.

Further, the inner wall of the main support 1 is fixedly connected with a motor 19 through a connecting block, the output end of the motor 19 is fixedly connected with a bidirectional threaded rod 20, the bidirectional threaded rod 20 is in threaded connection with the clamping plate 15, and when the support plate 6 is attached to the inner wall of a coal mine tunnel, the motor 19 is controlled to operate, the motor 19 drives the bidirectional threaded rod 20 to rotate, and the bidirectional threaded rod 20 drives the clamping plate 15 to move towards each other, so that the effect of clamping and fixing the adjusting rod 3 is achieved.

Further, the lower end of the main support 1 is fixedly connected with the support plate 21, the upper end face of the support plate 21 is provided with the guide hole 22, the guide hole 22 is internally and slidably connected with the guide post 23, the lower end of the guide post 23 is fixedly connected with the bottom plate 24, the upper end of the bottom plate 24 is fixedly connected with the air cylinder 25, the output end of the air cylinder 25 is fixedly connected with the support plate 21, when the device moves to a position where support is needed, the air cylinder 25 is controlled to operate at the moment, under the action of the guide post 23 on the support plate 21, the output end of the air cylinder 25 drives the support plate 21 to move upwards, and the support plate 21 drives the main support 1 to move upwards, so that the effect of attaching the support plate 6 to a coal mine roadway is achieved.

The working principle of the utility model is as follows: when the device is used, after the device moves to the position needing supporting, the control starting cylinder 25 operates at this moment, through the effect that guide post 23 leads to the support plate 21 to be limited, the output end of the cylinder 25 drives the support plate 21 to move upwards, then the support plate 21 drives the main support 1 to move upwards, the supporting plate 6 can be attached to the inner wall of the coal mine tunnel, because the supporting plate 6 is rotationally connected with the adjusting rod 3, the supporting plate 6 can adaptively rotate when being attached to the inner wall of the coal mine tunnel, at this moment, the second spring 9 can enable the supporting plate 6 to be attached to the inner wall of the coal mine tunnel through the effect of pushing the adjusting rod 3 upwards, after the supporting plate 6 is attached to the inner wall of the coal mine tunnel, at this moment, the motor 19 operates through the control motor 19, the back drives the bidirectional threaded rod 20 to rotate, at this moment, the clamping plate 15 moves towards the mutual direction, then the arc-shaped groove 16 formed on the surface of the clamping plate 15 clamps the adjusting rod 3, when the adjusting rod 3 clamps, the condition that appears when the adjusting rod 3 clamps through the providing friction force of the first friction strip 17 and the second friction strip 18, the condition when the adjusting rod 3 is attached to the inner wall of the coal mine tunnel, the supporting rod 3 is prevented from occurring when the adjusting rod 3, then the position of the adjusting rod 3 is fixed, the position of the adjusting rod is not attached to the position of the adjusting rod 3 is reached, the supporting rod is fixed, thus the supporting effect is prevented.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model; in addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof; therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a supplementary strutting arrangement of colliery tunnel, includes main support (1), its characterized in that: the novel multifunctional support is characterized in that the main support (1) is arc-shaped, a through hole (2) is formed in the circumferential surface of the main support (1), a supporting mechanism is arranged in the through hole (2), the supporting mechanism comprises an adjusting rod (3) which is connected with the through hole (2) in a sliding mode, a rotating shaft (4) is fixedly connected in the adjusting rod (3), the circumferential surface of the rotating shaft (4) is rotationally connected with a rotating seat (5), one end of the rotating seat (5) is far away from the rotating seat (5) and is fixedly connected with a supporting plate (6), the upper end of the adjusting rod (3) is fixedly connected with a first spring (7), one end of the first spring (7) far away from the adjusting rod (3) is attached to the supporting plate (6), the circumferential surface of the adjusting rod (3) is fixedly connected with a mounting ring (8), the lower end of the mounting ring (8) is fixedly connected with a second spring (9), and one end of the second spring (9) far away from the mounting ring (8) is fixedly connected with the main support (1).

2. The auxiliary supporting device for coal mine tunnel excavation according to claim 1, wherein: a limiting groove (10) is formed in the through hole (2), a first limiting block (11) is fixedly connected to the circumferential surface of the adjusting rod (3), and the first limiting block (11) is slidably connected with the limiting groove (10).

3. The auxiliary supporting device for coal mine tunnel excavation according to claim 2, wherein: the circumference of the adjusting rod (3) is fixedly connected with a second limiting block (12), and the second limiting block (12) is attached to the inner wall of the main support (1).

4. The auxiliary supporting device for coal mine tunnel excavation according to claim 1, wherein: the novel adjustable support is characterized in that the mounting plate (13) is fixedly connected to the inner wall of the main support (1), the sliding rods (14) are fixedly connected between the mounting plates (13), the clamping plates (15) are slidably connected to the circumferential surfaces of the sliding rods (14), the arc grooves (16) are formed in the surfaces of the clamping plates (15), the arc grooves (16) are matched with the circumferential surface of the adjusting rod (3), and the clamping plates (15) are used for clamping the adjusting rod (3).

5. The auxiliary supporting device for coal mine tunnel excavation according to claim 4, wherein: a first friction strip (17) is arranged in the arc-shaped groove (16), a second friction strip (18) is arranged on the circumference of the sliding rod (14), and the first friction strip (17) and the second friction strip (18) are matched with each other.

6. The auxiliary supporting device for coal mine tunnel excavation according to claim 1, wherein: the inner wall of the main support (1) is fixedly connected with a motor (19) through a connecting block, the output end of the motor (19) is fixedly connected with a bidirectional threaded rod (20), and the bidirectional threaded rod (20) is in threaded connection with the clamping plate (15).

7. The auxiliary supporting device for coal mine tunnel excavation according to claim 1, wherein: the novel air conditioner is characterized in that the lower end of the main support (1) is fixedly connected with the supporting plate (21), the upper end face of the supporting plate (21) is provided with the guide hole (22), the guide hole (22) is internally and slidably connected with the guide post (23), the lower end of the guide post (23) is fixedly connected with the bottom plate (24), the upper end of the bottom plate (24) is fixedly connected with the air cylinder (25), and the output end of the air cylinder (25) is fixedly connected with the supporting plate (21).