Locking device for fracture control in mining galleries

Abstract

The present application relates to the technical fields of mining roadway crack control, in particular to a locking device for mining roadway crack control, comprising a support frame, each end of the support frame is provided with a control device, the control device comprises a control rod, a worm, a hinged column, a concave seat, a T-shaped disc, a door-shaped frame and a hinge joint, one end of the control rod is fixedly connected with the worm, the other end of the control rod is fixedly connected with the hinged column, the control rod is provided with the concave seat at one end, and the hinged column is arranged in the concave seat, the locking device is designed to realize the effect of pressurizing and fixing the roadway wall, avoid the extension of the crack, and the whole locking device is convenient and fast to install, meets the demand of quick and flexible layout in the mining roadway, and is stable and powerful.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mining roadway crack control, in particular to a locking device for mining roadway crack control. BACKGROUND

[0002] The mining roadway crack in the prior art needs to be responded and controlled in time to avoid the spread of cracks and improve the environmental safety of the roadway, so as to ensure the personal safety of the staff in the mine. The ordinary locking device has a simple structure and is complicated and time-consuming to install and lay out.

[0003] If a roadway wall crack locking device can be invented, which can be laid out conveniently and quickly and has the function of automatic adjustment, the problem can be solved. Therefore, the present application provides a locking device for mining roadway crack control. SUMMARY

[0004] The present application aims to provide a locking device for mining roadway crack control to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a locking device for mining roadway crack control, comprising a support frame, one control device is arranged at each end of the support frame, the control device comprises a control rod, a worm, a hinge column, a concave seat, a T-shaped disc, a door-shaped frame and a hinge joint, one end of the control rod is fixedly connected with the worm, the other end of the control rod is fixedly connected with the hinge column, the control rod is provided with the concave seat at one end, the hinge column is arranged in the concave seat, the concave seat is fixedly connected with the T-shaped disc, one side of the T-shaped disc is provided with the door-shaped frame, and one end of the T-shaped disc extends into the door-shaped frame, one side of the door-shaped frame is hingedly connected with the hinge joint, the hinge joint is fixed on the support frame, an inner column and a spring sheet are arranged in the control rod, the inner column is in contact with the spring sheet at one end, the inner column is in contact with a top block at the other end, the top block is arranged in a square cavity formed in the control rod, a bolt penetrates through the top block, and the bolt penetrates through the control rod, a control body is drivingly connected to one side of the inner column, a positioning shaft penetrates through the control body, and the control body is arranged in a plate groove formed in the side wall of the control rod, a vice plate is arranged on one side of the support frame, a guide rod is fixedly connected to the end of the vice plate, the guide rod penetrates through a through hole formed in the support frame, and a spring is sleeved on the guide rod, a plurality of evenly distributed guide plates are fixedly arranged on the middle part of one side of the vice plate, a threaded column is arranged in the middle of the guide plates, a propelling column is screwed at one end of the threaded column, and the propelling column penetrates through the middle part of the support frame, a plurality of evenly distributed conical bodies are fixedly connected to the other side of the vice plate.

[0006] Preferably, one end of the guide plate is fixed on the sub-plate, and the other end of the guide plate protrudes into a sliding groove formed on the side wall of the threaded column, one end of the threaded column extends into a threaded groove formed on the advancing column, the advancing column penetrates a through hole formed in the middle of the support frame, and a clamping sleeve is fixed on the advancing column, and the clamping sleeve is arranged in an annular groove formed on the support frame.

[0007] Preferably, the concave seat is in the shape of a door-shaped bent plate, and arc-shaped grooves are formed on the two opposite inner cavity walls of the concave seat, and the hinge column is fitted in the inner cavity of the concave seat, and the hinge joint is in the shape of a plate vertically penetrating the hinge column, and the end of the column extends into a circular plate groove formed on the inner cavity wall of the door-shaped frame.

[0008] Preferably, the top block is in the shape of a square block, one corner of the block body is provided with an inclined groove, a bolt penetrates a threaded hole formed on the top block, and the bolt penetrates a through hole formed on the control rod, spring sheets and inner columns are arranged in a prism cavity formed in the middle of the control rod, and the spring sheets are in the shape of a wave plate.

[0009] Preferably, the control body is in the shape of a cylinder integrally connected with a prism on one side, a positioning shaft is movably sleeved in the middle of the cylinder of the control body, the end of the positioning shaft is fixed on the control rod, the cylinder of the control body is fixedly connected with a plurality of protruding teeth uniformly distributed on one side, a tooth groove is formed on the side wall of the inner column, and the control body and the inner column are in meshing transmission connection.

[0010] Preferably, the T-shaped disc is in the shape of a cylinder integrally connected with a disc on one end, the disc of the T-shaped disc is arranged in the inner cavity of the door-shaped frame, the cylinder of the T-shaped disc penetrates a through hole formed on the bottom plate of the door-shaped frame, and a plurality of protruding teeth are annularly arranged on the cylinder of the T-shaped disc.

[0011] Compared with the prior art, the beneficial effects of the present application are:

[0012] 1. The present application realizes the effect of locking the device to pressurize and fix the roadway wall, avoids the extension of cracks, and is convenient and fast to install, meets the needs of quick and flexible layout in the mining roadway, and has stable and powerful functions.

[0013] 2. The device continuously applies a rebound force to the inner column through the spring sheets, the inner column drives a plurality of control bodies, the control bodies have an outward expansion tendency, and once the roadway wall is loose, the control bodies will expand in time, thereby improving the connection firmness between the control device and the roadway wall, and further improving the service life of the entire locking device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the present application;

[0015] Figure 2 is Figure 1 is a structural schematic view of the present application;

[0016] Figure 3 Support frame structure diagram.

[0017] In the figure: support frame 1, control device 2, control rod 3, worm 4, hinged column 5, concave seat 6, T-shaped disc 7, door-shaped frame 8, hinged joint 9, inner column 10, spring piece 11, top block 12, bolt 13, control body 14, positioning shaft 15, auxiliary plate 16, guide rod 17, spring 18, guide plate 19, threaded column 20, advancing column 21, conical body 22, clamping cylinder 23, roadway wall 24, handle 25. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the technical solutions in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0019] Please refer to Figures 1 to 3 The present application provides a technical solution: a locking device for mining roadway fracture control, comprising a support frame 1, each of the two end portions of the support frame 1 is provided with a control device 2, the control device 2 comprises a control rod 3, a worm 4, a hinged column 5, a concave seat 6, a T-shaped disc 7, a door-shaped frame 8 and a hinged joint 9, one end of the control rod 3 is fixedly connected with the worm 4, the other end of the control rod 3 is fixedly connected with the hinged column 5, one end of the control rod 3 is provided with the concave seat 6, the hinged column 5 is arranged in the concave seat 6, the concave seat 6 is fixedly connected with the T-shaped disc 7, one side of the T-shaped disc 7 is provided with the door-shaped frame 8, and one end of the T-shaped disc 7 extends into the door-shaped frame 8, one side of the door-shaped frame 8 is hingedly connected with the hinged joint 9, the hinged joint 9 is fixed on the support frame 1, the control rod 3 is provided with an inner column 10 and a spring piece 11, one end of the inner column 10 is in contact with the spring piece 11, the other end of the inner column 10 is in contact with a top block 12, the top block 12 is arranged in a square cavity formed in the control rod 3, a bolt 13 penetrates through the top block 12 and the control rod 3, one side of the inner column 10 is drivingly connected with a control body 14, the control body 14 penetrates through a positioning shaft 15, the control body 14 is arranged in a plate groove formed in the side wall of the control rod 3, one side of the support frame 1 is provided with an auxiliary plate 16, one end of the auxiliary plate 16 is fixedly connected with a guide rod 17, the guide rod 17 penetrates through a through hole formed in the support frame 1, a spring 18 is sleeved on the guide rod 17, a plurality of evenly distributed guide plates 19 are fixedly arranged in the middle of one side of the auxiliary plate 16, a threaded column 20 is arranged in the middle of the plurality of guide plates 19, one end of the threaded column 20 is screwed with an advancing column 21, the advancing column 21 penetrates through the middle of the support frame 1, the other side of the auxiliary plate 16 is fixedly connected with a plurality of evenly distributed conical bodies 22, and the like. Figure 1The position relationship of each part is understood, the driving mechanism in the prior art is used to rotate the T-shaped disc 7, the T-shaped disc 7 drives the concave seat 6, and further drives the hinged column 5, the hinged column 5 drives the control rod 3 to rotate, and the worm 4 is driven to rotate into the roadway wall 24.

[0020] The guide plate 19 is fixed at one end on the auxiliary plate 16, the other end of the guide plate 19 protrudes into a sliding groove formed in the side wall of the threaded column 20, one end of the threaded column 20 extends into a threaded groove formed in the advancing column 21, the advancing column 21 penetrates a through hole formed in the middle of the support frame 1, and the advancing column 21 is fixedly sleeved with a clamping sleeve 23 arranged in a ring-shaped groove formed in the support frame 1.

[0021] The concave seat 6 is in the shape of a door-shaped bent plate, and arc grooves are formed in the two opposite inner cavity walls of the concave seat 6, the hinged column 5 is fitted in the inner cavity of the concave seat 6, and the hinge joint 9 is in the shape of a plate body vertically penetrating the hinged column, and the end of the column body extends into a circular plate groove formed in the inner cavity wall of the door-shaped frame 8.

[0022] The top block 12 is in the shape of a square block and has an inclined groove at one corner of the block body, the bolt 13 penetrates a threaded hole formed in the top block 12, and the bolt 13 penetrates a through hole formed in the control rod 3, the spring sheet 11 and the inner column 10 are arranged in a prism cavity formed in the middle of the control rod 3, and the spring sheet 11 is in the shape of a wave plate.

[0023] The control body 14 is in the shape of a cylinder integrally connected with a prism at one side, the cylinder of the control body 14 movably sleeves the positioning shaft 15 at the middle, the end of the positioning shaft 15 is fixed on the control rod 3, the cylinder of the control body 14 is fixedly connected with a plurality of protruding teeth uniformly distributed at one side, a tooth groove is formed in the side wall of the inner column 10, and the control body 14 and the inner column 10 are in meshing transmission connection.

[0024] The T-shaped disc 7 is in the shape of a cylinder integrally connected with a disc at one end, the disc of the T-shaped disc 7 is arranged in the inner cavity of the door-shaped frame 8, and the cylinder of the T-shaped disc 7 penetrates a through hole formed in the bottom plate of the door-shaped frame 8, and a plurality of protruding teeth uniformly distributed in a ring are fixedly arranged on the cylinder of the T-shaped disc 7.

[0025] Working principle: the worm 4 rotates into the roadway wall 24 to achieve preliminary positioning, then by rotating the push column 21, the axial movement of the threaded column 20 is caused, the threaded column 20 controls the auxiliary plate 16 through the guide plate 19, the movement of the auxiliary plate 16 drives a plurality of conical bodies 22, the conical bodies 22 are partially sunk into the roadway wall 24, and the preliminary fixation of the entire locking device and the roadway wall is achieved, and in the later stage, the support frame 1 has a tendency to move away from the roadway wall 24 under the rebound push of the spring 18, so that the support frame 1 pulls the two control devices 2, and the two control devices 2 are close to compress the roadway wall 24, so as to achieve the effect of pressurizing and fitting the gap, specifically, after the worm 4 is sunk into the designated position of the roadway wall 24, the worker rotates the bolt 13 using a wrench tool, causing the movement of the top block 12, and the top block 12 no longer supports the inner column 10, so that the inner column 10 has a tendency to move under the support of the spring sheet 11, the inner column 10 drives the control body 14, and a plurality of control bodies 14 gradually expand outward of the control rod 3, so as to increase the effect of the control device 2 fixed in the wall body, and improve the reinforced connection between the control device 2 and the roadway wall 24.

[0026] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A locking device for fracture control in a mining gallery, comprising a support frame (1), characterised in that: Two ends of the support frame (1) are respectively provided with a control device (2), the control device (2) comprises a control rod (3), a worm (4), a hinged column (5), a concave seat (6), a T-shaped disc (7), a door-shaped frame (8) and a hinge joint (9), one end of the control rod (3) is fixedly connected with the worm (4), the other end of the control rod (3) is fixedly connected with the hinged column (5), one end of the control rod (3) is provided with the concave seat (6), the hinged column (5) is arranged in the concave seat (6), the concave seat (6) is fixedly connected with the T-shaped disc (7), one side of the T-shaped disc (7) is provided with the door-shaped frame (8), and one end of the T-shaped disc (7) extends into the door-shaped frame (8), one side of the door-shaped frame (8) is hingedly connected with the hinge joint (9), the hinge joint (9) is fixed on the support frame (1), an inner column (10) and a spring sheet (11) are arranged in the control rod (3), one end of the inner column (10) is in contact with the spring sheet (11), the other end of the inner column (10) is in contact with a top block (12), the top block (12) is arranged in a square cavity formed in the control rod (3), a bolt (13) penetrates through the top block (12) and the control rod (3), one side of the inner column (10) is in transmission connection with a control body (14), a positioning shaft (15) penetrates through the control body (14), and the control body (14) is arranged in a plate groove formed in the side wall of the control rod (3), one side of the support frame (1) is provided with a secondary plate (16), an end of the secondary plate (16) is fixedly connected with a guide rod (17), the guide rod (17) penetrates through a through hole formed in the support frame (1), a spring (18) is arranged on the guide rod (17), a plurality of uniformly distributed guide plates (19) are fixedly arranged in the middle of one side of the secondary plate (16), a threaded column (20) is arranged in the middle of the guide plates (19), one end of the threaded column (20) is screwed with a propelling column (21), and the propelling column (21) penetrates through the middle of the support frame (1), a plurality of uniformly distributed conical bodies (22) are fixedly connected to the other side of the secondary plate (16).

2. A locking device for use in the control of rock burst in a mine tunnel according to claim 1, characterized in that: One end of the guide plate (19) is fixed on the secondary plate (16), the other end of the guide plate (19) protrudes into a sliding groove formed in the side wall of the threaded column (20), one end of the threaded column (20) extends into a threaded groove formed in the propelling column (21), the propelling column (21) penetrates through a through hole formed in the middle of the support frame (1), a clamping position cylinder (23) is fixedly arranged on the propelling column (21), and the clamping position cylinder (23) is arranged in an annular groove formed in the support frame (1).

3. A locking device for controlling the fissure of a mining roadway according to claim 1, characterized in that: The concave seat (6) is in the shape of a door-shaped bent plate, arc grooves are formed in the two opposite inner cavity walls of the concave seat (6), the hinged column (5) is arranged in the inner cavity of the concave seat (6), and the hinge joint (9) is in the shape of a plate body vertically penetrating the hinged column, and the end of the column body extends into a circular plate groove formed in the inner cavity wall of the door-shaped frame (8).

4. A locking device for controlling the fissure of a mining roadway according to claim 1, characterized in that: The top block (12) is shaped as a square block, one corner of the block is provided with an inclined groove, a bolt (13) penetrates a threaded hole formed on the top block (12), the bolt (13) penetrates a through hole formed on the control rod (3), spring sheets (11) and inner columns (10) are arranged in a prismatic cavity formed in the middle of the control rod (3), and the spring sheets (11) are shaped as wave plates.

5. A locking device for controlling the fissure of a mining roadway according to claim 1, characterized in that: The control body (14) is shaped as a cylinder integrally connected with a prism on one side, a positioning shaft (15) is movably sleeved in the middle of the cylinder of the control body (14), the end of the positioning shaft (15) is fixed on the control rod (3), the cylinder of the control body (14) is fixedly connected with a plurality of protruding teeth which are uniformly distributed on one side, a tooth groove is formed on one side wall of the inner column (10), and the control body (14) and the inner column (10) are in meshing transmission connection.

6. A locking device for controlling the fissure of a mining roadway according to claim 1, characterized in that: The T-shaped disc (7) is shaped as a cylinder integrally connected with a disc on one end, the disc of the T-shaped disc (7) is arranged in the inner cavity of the door-shaped frame (8), the cylinder of the T-shaped disc (7) penetrates a through hole formed on the bottom plate of the door-shaped frame (8), and a plurality of protruding teeth which are uniformly distributed are arranged in a ring on the cylinder of the T-shaped disc (7).

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