Inner wall auxiliary supporting device for mine pit tunnel reinforcement

Abstract

The invention discloses an inner wall auxiliary supporting device for reinforcing a mine pit tunnel in the technical field of mine pit supporting devices.The inner wall auxiliary supporting device comprises lower supports, two sets of upper supports and a lap joint support, the two sets of upper supports are symmetrically arranged, and the bottom ends of the two sets of upper supports are detachably connected with one set of lower supports through first fixing pieces correspondingly; a plurality of groups of first mounting holes which are arranged at equal intervals up and down and are matched with the first fixing pieces are formed in the upper bracket; the inner wall auxiliary supporting device for mine pit tunnel reinforcement solves the problems that an existing inner wall auxiliary supporting device for mine pit tunnel reinforcement is poor in actual adaptability, adjustment and adaptation are inconvenient to conduct according to the sizes of different mine pit tunnels, and the existing inner wall auxiliary supporting device for mine pit tunnel reinforcement is poor in practical adaptability. The problems that in the prior art, the attaching degree of the auxiliary supporting device and the inner wall of the mine pit tunnel is poor, high-strength and stable auxiliary supporting is not facilitated, assembling of the auxiliary supporting device is tedious, and rapid assembling and disassembling of the device in the mine pit tunnel are not facilitated are solved.

Description

Technical Field

[0001] The invention relates to the technical field of mine support devices, in particular to an inner wall auxiliary support device for reinforcing a mine tunnel. Background Art

[0002] Mineral resources are the product of the long-term formation, development and evolution of the earth's crust. They are formed by the aggregation of natural minerals under certain geological conditions and through certain geological actions. When mining minerals underground, mine collapse and injuries often occur. In order to maintain the stability of the internal structure of the mine tunnel, it is necessary to add corresponding inner wall auxiliary support devices in the mine tunnel to provide stable support for the interior of the mine tunnel, so as to improve the safety of actual mining work.

[0003] The existing inner wall auxiliary support device for mine tunnel reinforcement has poor practical adaptability and is not convenient to adjust and adapt according to different mine tunnel sizes, which makes the auxiliary support device poorly fit with the inner wall of the mine tunnel, and is not conducive to providing high-strength and stable auxiliary support. In addition, the assembly of the auxiliary support device is relatively cumbersome, which is not conducive to the rapid installation and disassembly of the device inside the mine tunnel. Therefore, technical personnel in this field provide an inner wall auxiliary support device for mine tunnel reinforcement to solve the problems raised in the above background technology. Summary of the invention

[0004] The object of the present invention is to provide an inner wall auxiliary support device for reinforcing a mine tunnel to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: an inner wall auxiliary support device for reinforcing a mine tunnel, comprising a lower bracket, an upper bracket and a lap bracket, wherein the upper bracket is symmetrically provided with two groups, and the bottom ends of the two groups of upper brackets are detachably connected to a group of lower brackets through a first fixing member, and the upper bracket is provided with a plurality of groups of first mounting holes which are arranged equidistantly from top to bottom and matched with the first fixing member;

[0006] The top ends of the two groups of upper brackets are detachably connected to the same group of overlapping brackets through a second fixing piece, and the overlapping brackets are provided with a plurality of groups of second mounting holes which are arranged equidistantly from left to right and are adapted to the second fixing piece;

[0007] The tops of the two groups of upper supports are provided with multiple groups of support components arranged in a stepped manner, and each group of support components includes multiple groups of support plates. The upper supports are provided with multiple groups of adjustment components corresponding to the support plates one by one, and the adjustment components are used to control the installation height of the support plates connected thereto, and the tops of the support plates are used to abut against the inner walls of the mine tunnel.

[0008] Preferably: the lower bracket includes two groups of vertical rods slidably connected to the upper bracket, the bottom ends of the two groups of vertical rods are welded with a first rectangular frame, auxiliary rods are welded between the top two corners of the first rectangular frame and the top ends of the vertical rods, and a second rectangular frame is welded between the two groups of vertical rods and the two groups of auxiliary rods.

[0009] Preferably: the upper bracket includes support rods slidably installed up and down inside the two groups of vertical rods, the sides of the two groups of support rods are welded with step brackets supporting the adjustment assembly and the support plate, and multiple groups of first reinforcing rods equidistantly arranged up and down are welded between the two groups of support rods. Both groups of support rods are provided with multiple groups of first mounting holes for the first fixing member to slide through, and the lap bracket is detachably installed between the two groups of step brackets.

[0010] Preferably, the first fixing member comprises a plurality of first long screw rods sliding through the first mounting holes inside the two sets of vertical rods and the support rods, and each set of the first long screw rods is threadedly connected with a first locking nut abutting against the surface of one set of vertical rods.

[0011] Preferably: the ladder bracket includes a ladder frame welded to the top ends of two groups of support rods, diagonal support rods are welded between the ladder frame and the support rods, and a rack rod connected to the second fixing member is welded between the ladder frame and the diagonal support rods, and two groups of adjustment components are provided inside each group of horizontal frames of the ladder frame.

[0012] Preferably: the ladder bracket includes a ladder frame welded to the top ends of two groups of support rods, diagonal support rods are welded between the ladder frame and the support rods, and a rack rod connected to the second fixing member is welded between the ladder frame and the diagonal support rods, and two groups of adjustment components are provided inside each group of horizontal frames of the ladder frame.

[0013] Preferably, the second fixing member comprises a plurality of groups of second long screws slidingly passing through the second mounting holes inside the two side racks and the cross bar, and each group of the second long screws is threadedly connected with a second locking nut abutting against the surface of one group of racks.

[0014] Preferably: the adjustment assembly includes an adjustment screw rotatably connected to the step frame, two groups of movable blocks that can move in opposite directions are threadedly connected to the adjustment screw, round rods that slide through the movable blocks are provided on both sides of the adjustment screw, both ends of the round rods are welded to the step frame, the tops of the two groups of movable blocks are connected to fixed rods through hinged movable rods, the fixed rods are welded to the bottom of the support plate, and a limit piece is installed at the bottom of the support plate to assist its up and down movement.

[0015] Preferably, the limiting member comprises two groups of sliding rods slidably installed up and down inside the ladder frame, and the top ends of the two groups of sliding rods are welded to the support plate.

[0016] Preferably, both ends of the adjusting screw extend to the outside of the step frame and are welded with hexagonal rotating blocks.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. In the present invention, the upper bracket and the lower bracket are assembled through the first mounting holes on the support rod and multiple groups of first fixing parts, which can conveniently control the overall support height of the inner wall auxiliary support device for mine tunnel reinforcement. The two groups of upper brackets and the lap bracket are assembled through the second mounting holes on the cross bar and multiple groups of second fixing parts, which can conveniently control the overall support width of the inner wall auxiliary support device for mine tunnel reinforcement, which is conducive to improving the flexibility of the actual use of the device.

[0019] 2. In the present invention, multiple sets of first long screws and first locking nuts can facilitate rapid assembly of the upper bracket and the lower bracket, and multiple sets of second long screws and second locking nuts can facilitate rapid assembly of the upper bracket and the lap bracket, which facilitates the transfer of various disassembled parts of the device to the interior of the mine. The assembly and disassembly method is simple and easy to operate, which helps save the actual operation time of the staff, and the supporting strength of each component is relatively high and the stability is also relatively strong.

[0020] 3. In the present invention, a plurality of support plates are arranged on the step bracket, and the movable block is driven to move by setting an adjusting screw, and the movable block drives the movable rod, the fixed rod, the support plate and the sliding rod to move, and the actual support height of the support plate is adjusted, so that the top of the mine tunnel can be fitted and fastened, thereby improving the actual support effect of the mine tunnel, making the device as a whole convenient for high-strength support of the top of the irregular mine tunnel, which is beneficial to improving the safety of the workers inside the mine tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front view of the overall structure of the present invention;

[0022] Figure 2 A bottom view of the overall structure of the present invention;

[0023] Figure 3 A schematic diagram of a lapped support structure of the present invention;

[0024] Figure 4 is a schematic diagram of the lower support structure of the present invention;

[0025] Figure 5 is a schematic diagram of the upper support structure of the present invention;

[0026] Figure 6 For the present invention Figure 1 A is an enlarged view of the middle image.

[0027] In the figure: 1. first mounting hole; 2. second mounting hole; 3. support plate; 4. vertical rod; 5. first rectangular frame; 6. auxiliary rod; 7. second rectangular frame; 8. support rod; 9. first reinforcing rod; 10. first long screw rod; 11. first locking nut; 12. step frame; 13. diagonal support rod; 14. rack rod; 15. cross rod; 16. vertical rod; 17. reinforcement bracket; 18. second reinforcing rod; 19. second long screw rod; 20. second locking nut; 21. adjusting screw rod; 22. movable block; 23. round rod; 24. movable rod; 25. fixed rod; 26. sliding rod; 27. hexagonal swivel block. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1 to Figure 6 In an embodiment of the present invention, an inner wall auxiliary support device for reinforcing a mine tunnel includes a lower bracket, an upper bracket and a lap bracket. The upper bracket is symmetrically provided with two groups. The bottom ends of the two groups of upper brackets are detachably connected to a group of lower brackets through a first fixing member. The upper brackets are provided with multiple groups of first mounting holes 1 that are equidistantly arranged up and down and matched with the first fixing member. The top ends of the two groups of upper brackets are detachably connected to the same group of lap brackets through a second fixing member. The lap brackets are provided with multiple groups of second mounting holes 2 that are equidistantly arranged left and right and matched with the second fixing member.

[0030] Two groups of upper supports, two groups of lower supports and one group of lap supports can provide a stable frame support for mine tunnel support, and the lower supports and the upper supports are connected through the first mounting hole 1 and the first positioning piece, which facilitates assembly between components and conveniently controls the actual support height of the auxiliary support frame. The lap supports are connected with the upper supports on both sides through the second fixing piece and the second mounting hole 2. The assembly method is simple and easy to operate, which facilitates the control of the actual support width of the auxiliary support frame, and the assembled frame has high strength and is stable.

[0031] Furthermore, the tops of the two groups of upper supports are provided with multiple groups of support components arranged in a step shape, and each group of support components includes multiple groups of support plates 3. The upper supports are provided with multiple groups of adjustment components corresponding to the support plates 3 one by one. The adjustment components are used to control the installation height of the support plates 3 connected thereto, and the tops of the support plates 3 are used to abut against the inner walls of the mine tunnel. The operator can control the height of the bottom support plate 3 by rotating the adjustment components, and adjust the support plate 3 to contact the top wall of the mine tunnel, thereby improving the fit between the support frame and the inner wall of the mine tunnel, which can further improve the flexibility of support adjustment, and the support strength is also relatively high.

[0032] In one embodiment, specifically, the lower bracket includes two groups of vertical rods 4 which are slidably connected to the upper bracket, a first rectangular frame 5 is welded to the bottom ends of the two groups of vertical rods 4, auxiliary rods 6 are welded between the two corners of the top of the first rectangular frame 5 and the top of the vertical rods 4, a second rectangular frame 7 is welded between the two groups of vertical rods 4 and the two groups of auxiliary rods 6, the first rectangular frame 5 provides a stable bottom support for the frame, the vertical rods 4 are convenient for docking with the upper bracket, and the auxiliary rods 6 and the second rectangular frame 7 are beneficial to improving the support strength and stability of the frame.

[0033] Specifically, the upper bracket includes a support rod 8 slidably installed up and down inside the two groups of vertical rods 4, and the sides of the two groups of support rods 8 are welded with step brackets supporting the adjustment assembly and the support plate 3. Multiple groups of first reinforcing rods 9 equidistantly arranged up and down are welded between the two groups of support rods 8. Both groups of support rods 8 are provided with multiple groups of first mounting holes 1 for the first fixing member to slide through. The lap bracket is detachably installed between the two groups of step brackets. The step bracket is connected to the support plate 3 in sections through the adjustment assembly, which can facilitate the reinforcement and support of the approximately arched top wall of the mine tunnel, and the support rod 8 is used to slide and install to the inside of the vertical rod 4 for docking.

[0034] Among them, the first fixing member includes multiple groups of first long screws 10 that slide through the first mounting holes 1 inside the two groups of vertical rods 4 and the support rods 8. Each group of first long screws 10 is threadedly connected with a first locking nut 11 that abuts against the surface of one group of vertical rods 4. After the first long screws 10 successively penetrate the two groups of vertical rods 4 and the two groups of support rods 8, the first locking nut 11 is used to fix and lock the first long screws 10. Multiple groups of the above-mentioned first fixing members can provide a high-strength connection between the upper bracket and the lower bracket.

[0035] Correspondingly, the ladder bracket includes a ladder frame 12 welded to the top ends of two groups of support rods 8, and diagonal support rods 13 are welded between the ladder frame 12 and the support rods 8 to increase the overall support strength of the ladder frame 12. A frame rod 14 connected to a second fixing member is welded between the ladder frame 12 and the diagonal support rods 13 to increase the overall support strength of the ladder frame 12, and two groups of adjustment components are provided inside each group of horizontal frames of the ladder frame 12.

[0036] On the basis of the above embodiments, specifically, the lap bracket includes two groups of cross bars 15 connected to the second fixing piece, and multiple groups of second mounting holes 2 for the second fixing piece to pass through are provided at both ends of the two groups of cross bars 15. Two groups of vertical poles 16 are welded to the top of the two groups of cross bars 15, and the tops of all the vertical poles 16 at the tops of the two groups of cross bars 15 are welded to the same reinforcement bracket 17. Two groups of second reinforcing rods 18 are welded between the two groups of cross bars 15, which can provide stable support for the top center of the mine tunnel, and the lap strength between the components is relatively high.

[0037] Among them, the second fixing member includes multiple groups of second long screws 19 that slide through the second mounting holes 2 inside the two side frame rods 14 and the cross bar 15. Each group of second long screws 19 is threadedly connected with a second locking nut 20 that abuts against the surface of one group of frame rods 14. The second long screws 19 sequentially penetrate the two groups of frame rods 14 and the cross bar 15. The second long screws 19 are locked and fixed by using the second locking nut 20, which can easily achieve a stable connection between the lap bracket and the upper bracket.

[0038] Specifically, the adjustment component includes an adjustment screw 21 rotatably connected to the step frame 12, and two groups of movable blocks 22 that can move in opposite directions are threadedly connected to the adjustment screw 21. Round rods 23 that slide through the movable blocks 22 are provided on both sides of the adjustment screw 21. Both ends of the round rods 23 are welded to the step frame 12. The tops of the two groups of movable blocks 22 are connected to fixed rods 25 through hinged movable rods 24. The fixed rods 25 are welded to the bottom of the support plate 3, and a limit piece is installed at the bottom of the support plate 3 to assist its up and down movement.

[0039] The operator rotates the adjusting screw 21, and the adjusting screw 21 can drive the two groups of movable blocks 22 to move in the opposite direction on the surface of the round rod 23. The movable block 22 can drive the movable rod 24 to move, and the movable rod 24 drives the top fixed rod 25 and the support plate 3 to move up and down, wherein the limit member includes two groups of sliding rods 26 installed up and down inside the step frame 12, and the top ends of the two groups of sliding rods 26 are welded to the support plate 3. The support plate 3 can drive the sliding rod 26 to move up and down, and the sliding rod 26 can provide auxiliary support for the movement of the support plate 3. Furthermore, both ends of the adjusting screw 21 extend to the outside of the step frame 12 and are welded with hexagonal rotating blocks 27, which can facilitate the use of the staff to rotate the adjusting screw 21.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An inner wall auxiliary support device for mine tunnel reinforcement, characterized in that: It comprises a lower bracket, an upper bracket and a lap bracket, wherein the upper bracket is symmetrically provided with two groups, the bottom ends of the two groups of upper brackets are detachably connected to a group of lower brackets via a first fixing member, and the upper bracket is provided with a plurality of groups of first mounting holes (1) which are arranged equidistantly from top to bottom and are compatible with the first fixing member; The top ends of the two groups of upper brackets are detachably connected to the same group of overlapping brackets via a second fixing piece, and the overlapping brackets are provided with a plurality of groups of second mounting holes (2) which are arranged equidistantly from left to right and are compatible with the second fixing piece; The tops of the two groups of upper supports are provided with a plurality of support components arranged in a stepped manner, each group of the support components comprises a plurality of support plates (3), the upper supports are provided with a plurality of adjustment components corresponding one to one with the support plates (3), the adjustment components are used to control the erection height of the support plates (3) connected thereto, and the tops of the support plates (3) are used to abut against the inner wall of the mine tunnel.

2. The inner wall auxiliary support device for mine tunnel reinforcement according to claim 1, characterized in that: The lower bracket comprises two groups of vertical rods (4) slidably connected to the upper bracket, the bottom ends of the two groups of vertical rods (4) are welded with a first rectangular frame (5), the top two corners of the first rectangular frame (5) and the top ends of the vertical rods (4) are welded with auxiliary rods (6), and a second rectangular frame (7) is welded between the two groups of vertical rods (4) and the two groups of auxiliary rods (6).

3. The inner wall auxiliary support device for reinforcing a mine tunnel according to claim 2, characterized in that: The upper bracket comprises a support rod (8) slidably mounted inside two groups of vertical rods (4) up and down, and the sides of the two groups of support rods (8) are welded with a step bracket supporting the adjustment assembly and the support plate (3), and multiple groups of first reinforcing rods (9) equidistantly arranged up and down are welded between the two groups of support rods (8), and multiple groups of first mounting holes (1) for the first fixing member to slide through are provided on the two groups of support rods (8), and the lap bracket can be detachably mounted between the two groups of step brackets.

4. The inner wall auxiliary support device for mine tunnel reinforcement according to claim 3 is characterized in that: The first fixing member comprises a plurality of first long screw rods (10) which slide through the first mounting holes (1) inside the two groups of vertical rods (4) and the support rods (8), and each group of the first long screw rods (10) is threadedly connected with a first locking nut (11) which abuts against the surface of one group of vertical rods (4).

5. The inner wall auxiliary support device for reinforcing a mine tunnel according to claim 4, characterized in that: The step bracket comprises a step frame (12) welded to the top ends of two groups of support rods (8), an oblique support rod (13) is welded between the step frame (12) and the support rod (8), a frame rod (14) connected to a second fixing member is welded between the step frame (12) and the oblique support rod (13), and two groups of adjustment components are arranged inside each group of horizontal frames of the step frame (12).

6. The inner wall auxiliary support device for reinforcing a mine tunnel according to claim 5, characterized in that: The lap bracket comprises two groups of cross bars (15) connected to the second fixing member, and a plurality of second mounting holes (2) for the second fixing member to pass through are provided at both ends of the two groups of cross bars (15), two groups of vertical bars (16) are welded to the top of the two groups of cross bars (15), the tops of all the vertical bars (16) at the top of the two groups of cross bars (15) are welded to the same reinforcement bracket (17), and two groups of second reinforcement bars (18) are welded between the two groups of cross bars (15).

7. The inner wall auxiliary support device for mine tunnel reinforcement according to claim 6, characterized in that: The second fixing member comprises a plurality of groups of second long screws (19) which slide through the second mounting holes (2) inside the two side racks (14) and the cross bar (15), and each group of the second long screws (19) is threadedly connected with a second locking nut (20) which abuts against the surface of one group of racks (14).

8. The inner wall auxiliary support device for reinforcing a mine tunnel according to claim 5, characterized in that: The adjustment assembly comprises an adjustment screw (21) rotatably connected to the step frame (12); two groups of movable blocks (22) that can move in opposite directions are threadedly connected to the adjustment screw (21); round rods (23) that slide through the movable blocks (22) are provided on both sides of the adjustment screw (21); both ends of the round rods (23) are welded to the step frame (12); the tops of the two groups of movable blocks (22) are connected to fixed rods (25) through hinged movable rods (24); the fixed rods (25) are welded to the bottom of the support plate (3); and a limiter that assists the support plate (3) in moving up and down is installed at the bottom.

9. The inner wall auxiliary support device for reinforcing a mine tunnel according to claim 8, characterized in that: The position-limiting member comprises two groups of sliding rods (26) which are slidably mounted up and down inside the ladder frame (12), and the top ends of the two groups of sliding rods (26) are welded to the support plate (3).

10. The inner wall auxiliary support device for reinforcing a mine tunnel according to claim 8, characterized in that: Both ends of the adjusting screw rod (21) extend to the outside of the step frame (12) and are welded with hexagonal rotating blocks (27).

Images