Anchoring support structure for protective mine surrounding rock

Abstract

The utility model relates to the technical field of supporting structures, in particular to a protection type mine surrounding rock anchoring supporting structure which comprises a fixing plate, a plurality of sliding blocks are arranged on the outer wall of the fixing plate, an annular adjusting mechanism is arranged between the sliding blocks and the fixing plate, and a movable plate is arranged at one end of each sliding block. A position adjusting mechanism is arranged between the movable plate and the sliding block, a local supporting mechanism is arranged at the bottom of the movable plate, a contact stabilizing mechanism is arranged at the bottom of the fixed plate, and the fixed plate is in threaded connection with a first threaded anchor rod. By arranging the position adjusting mechanism, rotation adjustment and telescopic adjustment can be conducted on the rotating plate, so that further adjustment can be conducted according to the terrain of a surrounding rock area, supporting accuracy is guaranteed, the positions of the sliding block and the movable plate can be annularly adjusted by arranging the annular adjusting mechanism, and the supporting accuracy is improved. The adjustable capacity of local supporting is further improved, and the supporting accuracy is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of supporting structures, in particular to an anchoring supporting structure for protective mine surrounding rocks. Background Art

[0002] Grouting is an important process in the construction of anchor rods and cables. The function of grouting is to form an anchoring section, anchor the tie rod in the rock and soil layer, prevent the corrosion of the steel tie rod, and fill the cracks in the rock layer and the pores in the soil layer. The anchor rod is the most basic component of the tunnel support in contemporary coal mines. It reinforces the surrounding rock of the tunnel so that the surrounding rock supports itself. Anchor rods are not only used in mines, but also in engineering technology to reinforce the main body of slopes, tunnels, and dams. As a tensile member deep in the stratum, the anchor rod is connected to the engineering structure at one end and deep in the stratum at the other end. The whole anchor rod is divided into a free section and an anchoring section. The free section refers to the area where the tension at the anchor rod head is transmitted to the anchor body. Its function is to apply prestress to the anchor rod.

[0003] After searching, the anchor grouting support structure and method with patent publication number CN116838392A includes a guide support plate, a guide screw hole is arranged at the inner center position of the guide support plate, the guide screw hole is formed integrally with the guide support plate, a threaded anchor rod is arranged inside the guide screw hole, and the threaded anchor rod is movably connected to the guide support plate through the guide screw hole; it also includes: a horizontal seat plate, which is arranged at the two sides of the guide support plate, there are two horizontal seat plates, and two through-screw holes are arranged inside the two horizontal seat plates, the through-screw holes are formed integrally with the horizontal seat plates, a threaded support rod is arranged inside the through-screw holes, and the threaded support rod is movably connected to the horizontal seat plate through the through-screw holes. In the process of implementing this solution, it was found that the following problems in the prior art have not been well solved: the support position cannot be adjusted according to the specific terrain, so that precise support treatment cannot be performed. Therefore, it is urgent to design a protective mine surrounding rock anchor support structure to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a protective anchoring support structure for surrounding rocks of a mine to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A protective anchoring support structure for mine surrounding rock, comprising a fixed plate, a plurality of sliders are arranged on the outer wall of the fixed plate, an annular adjustment mechanism is arranged between the slider and the fixed plate, a movable plate is arranged at one end of the slider, a position adjustment mechanism is arranged between the movable plate and the slider, a local support mechanism is arranged at the bottom of the movable plate, a contact stabilization mechanism is arranged at the bottom of the fixed plate, a first threaded anchor rod is threadedly connected to the fixed plate, a telescopic reinforcement mechanism is arranged on the outer wall of the first threaded anchor rod, and a bottom reinforcement mechanism is arranged at the bottom of the first threaded anchor rod.

[0007] Preferably, the annular adjustment mechanism includes a limit block and a first limit bolt, an annular groove is opened on the outer wall of the fixing plate, the slider is slidably connected to the annular groove, the limit block is fixedly connected to the slider, and the first limit bolt is threadedly connected to the limit block.

[0008] Preferably, the position adjustment mechanism comprises a telescopic plate and a rotating plate, the telescopic plate and the slider are slidably connected, a second limiting bolt is threadedly connected to the top of the slider, the rotating plate and the telescopic plate are rotatably connected, and the movable plate and the rotating plate are rotatably connected.

[0009] Preferably, the local support mechanism includes a second nut and a second threaded anchor rod, the second threaded anchor rod and the movable plate are threadedly connected, a second drill bit is fixedly connected to the bottom of the second threaded anchor rod, and the second nut is threadedly connected to the outer wall of the second threaded anchor rod.

[0010] Preferably, the contact stabilization mechanism comprises a bottom plate and a first plug rod, the bottom plate and the bottom outer wall of the fixed plate are fixedly connected, and the first plug rod and the bottom outer wall of the bottom plate are fixedly connected.

[0011] Preferably, the telescopic reinforcement mechanism includes a first limit plate and a telescopic rod, the first threaded anchor rod is set to be hollow, a sealing block is set on the top of the first threaded anchor rod, the outer wall of the first threaded anchor rod is threadedly connected with a second nut, the telescopic rod passes through the first threaded anchor rod, the first limit plate and the telescopic rod are fixedly connected, the first limit plate is located inside the first threaded anchor rod, a plurality of second plug rods are fixedly connected to the outer wall of the telescopic rod, and the second plug rods are located outside the first threaded anchor rod.

[0012] Preferably, the bottom reinforcement mechanism includes a movable drill bit and a movable rod, the first drill bit is fixedly connected to the bottom of the first threaded anchor rod, the movable rod passes through the first drill bit, the bottom of the movable rod and the movable drill bit are fixedly connected, the first drill bit is provided with a limiting groove, a clamping block is provided on the inner wall of the limiting groove, and the clamping block is fixedly connected to the movable rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the local support mechanism of the movable plate can be rotated and adjusted according to the terrain of the surrounding rock area, and multi-point support processing can be performed. The position adjustment mechanism can be set to rotate and adjust the rotating plate, so that further adjustment can be made according to the terrain of the surrounding rock area to ensure the support accuracy. The position of the slider and its movable plate can be adjusted in an annular manner by setting the annular adjustment mechanism, further improving the adjustable ability of the local support and ensuring the support accuracy.

[0015] In the utility model, the first threaded anchor rod is hollow so that grouting can be performed inside the first threaded anchor rod, thereby utilizing the pressure drop telescopic rod for extrusion, and finally extending from the first threaded anchor rod, and utilizing the second insertion rod for anchor support. Similarly, the movable drill bit at the bottom of the first drill bit moves downward under the extrusion action to perform bottom anchor support and ensure support stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the anchor support structure for protective mine surrounding rock.

[0017] Figure 2 This is a schematic diagram of the bottom main structure of the anchor support structure for protective mine surrounding rock.

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the anchor support structure for protective mine surrounding rock.

[0019] Figure 4 This is a schematic diagram of the partial main structure of the anchor support structure for protective mine surrounding rock.

[0020] In the figure: 1. fixed plate; 2. telescopic plate; 3. sealing block; 4. first nut; 5. first threaded anchor rod; 6. annular groove; 7. slider; 8. first drill bit; 9. limit block; 10. first limit bolt; 11. bottom plate; 12. first plug rod; 13. second plug rod; 14. telescopic rod; 15. movable drill bit; 16. first limit plate; 17. second limit plate; 18. movable rod; 19. limit groove; 20. clamping block; 21. second limit bolt; 22. rotating plate; 23. second nut; 24. second threaded anchor rod; 25. second drill bit; 26. movable plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 In the embodiment of the utility model, the protective anchor support structure for surrounding rock of a mine includes a fixed plate 1, a plurality of sliders 7 are arranged on the outer wall of the fixed plate 1, an annular adjustment mechanism is arranged between the slider 7 and the fixed plate 1, a movable plate 26 is arranged at one end of the slider 7, a position adjustment mechanism is arranged between the movable plate 26 and the slider 7, a local support mechanism is arranged at the bottom of the movable plate 26, a contact stabilization mechanism is arranged at the bottom of the fixed plate 1, a first threaded anchor rod 5 is threadedly connected to the fixed plate 1, a telescopic reinforcement mechanism is arranged on the outer wall of the first threaded anchor rod 5, and a bottom reinforcement mechanism is arranged at the bottom of the first threaded anchor rod 5. The local support mechanism of the movable plate 26 can be rotated and adjusted according to the terrain of the surrounding rock area, and multi-point support processing can be performed. By setting the position adjustment mechanism, the rotating plate 22 can be rotated and adjusted and telescopically adjusted, so that it can be further adjusted according to the terrain of the surrounding rock area to ensure the support accuracy. By setting the annular adjustment mechanism, the position of the slider 7 and its movable plate 26 can be adjusted in an annular manner, further improving the adjustable ability of the local support and ensuring the support accuracy.

[0023] The annular adjustment mechanism includes a limit block 9 and a first limit bolt 10. The outer wall of the fixed plate 1 is provided with an annular groove 6. The slider 7 is slidably connected to the annular groove 6. The limit block 9 is fixedly connected to the slider 7. The first limit bolt 10 is threadedly connected to the limit block 9. By setting the annular adjustment mechanism, the position of the slider 7 and its movable plate 26 can be annularly adjusted, further improving the adjustable ability of the local support and ensuring the support accuracy.

[0024] The position adjustment mechanism includes a telescopic plate 2 and a rotating plate 22, the telescopic plate 2 and the slider 7 are slidably connected, the top of the slider 7 is threadedly connected with a second limit bolt 21, the rotating plate 22 is rotatably connected to the telescopic plate 2, and the movable plate 26 is rotatably connected to the rotating plate 22. By setting the position adjustment mechanism, the rotating plate 22 can be rotated and telescopically adjusted, so that further adjustment can be made according to the terrain of the surrounding rock area to ensure the support accuracy;

[0025] The local support mechanism includes a second nut 23 and a second threaded anchor rod 24, the second threaded anchor rod 24 and the movable plate 26 are threadedly connected, a second drill bit 25 is fixedly connected to the bottom of the second threaded anchor rod 24, and the second nut 23 and the outer wall of the second threaded anchor rod 24 are threadedly connected. The local support mechanism provided with the movable plate 26 can be rotated and adjusted according to the terrain of the surrounding rock area, and multi-point support processing can be performed;

[0026] The contact stabilization mechanism includes a bottom plate 11 and a first plug rod 12. The bottom plate 11 is fixedly connected to the bottom outer wall of the fixing plate 1. The first plug rod 12 is fixedly connected to the bottom outer wall of the bottom plate 11, thereby improving the contact stability between the fixing plate 1 and the ground.

[0027] The telescopic reinforcement mechanism includes a first limit plate 16 and a telescopic rod 14, the first threaded anchor rod 5 is set to be hollow, a sealing block 3 is set on the top of the first threaded anchor rod 5, the outer wall of the first threaded anchor rod 5 is threadedly connected with a second nut 23, the telescopic rod 14 passes through the first threaded anchor rod 5, the first limit plate 16 and the telescopic rod 14 are fixedly connected, the first limit plate 16 is located inside the first threaded anchor rod 5, a plurality of second plug rods 13 are fixedly connected to the outer wall of the telescopic rod 14, and the second plug rods 13 are located outside the first threaded anchor rod 5, the bottom reinforcement mechanism includes a mobile drill bit 15 and a mobile rod 18, and the bottom of the first threaded anchor rod 5 is fixedly connected with a first drill bit 8. The moving rod 18 passes through the first drill bit 8, and the bottom of the moving rod 18 is fixedly connected to the moving drill bit 15. The first drill bit 8 is provided with a limiting groove 19, and the inner wall of the limiting groove 19 is provided with a clamping block 20. The clamping block 20 and the moving rod 18 are fixedly connected. By setting the first threaded anchor rod 5 to be hollow, grouting can be performed inside the first threaded anchor rod 5, so that the pressure drop telescopic rod 14 is used for extrusion, and finally it is extended from the first threaded anchor rod 5, and the second insertion rod 13 is used for anchoring support. Similarly, the moving drill bit 15 at the bottom of the first drill bit 8 moves downward under the extrusion to perform bottom anchoring support to ensure the support stability.

[0028] The working principle of the utility model is: by setting the local support mechanism of the movable plate 26, it can be rotated and adjusted according to the terrain of the surrounding rock area, and multi-point support processing can be performed; by setting the position adjustment mechanism, the rotating plate 22 can be rotated and telescopically adjusted, so that it can be further adjusted according to the terrain of the surrounding rock area to ensure the support accuracy; by setting the annular adjustment mechanism, the position of the slider 7 and its movable plate 26 can be adjusted in an annular manner, further improving the adjustable ability of the local support and ensuring the support accuracy.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A protective anchor support structure for surrounding rocks of a mine, comprising a fixing plate (1), characterized in that: The outer wall of the fixed plate (1) is provided with a plurality of sliders (7), an annular adjustment mechanism is provided between the sliders (7) and the fixed plate (1), a movable plate (26) is provided at one end of the slider (7), a position adjustment mechanism is provided between the movable plate (26) and the slider (7), a local support mechanism is provided at the bottom of the movable plate (26), a contact stabilization mechanism is provided at the bottom of the fixed plate (1), the fixed plate (1) is threadedly connected with a first threaded anchor rod (5), a telescopic reinforcement mechanism is provided on the outer wall of the first threaded anchor rod (5), and a bottom reinforcement mechanism is provided at the bottom of the first threaded anchor rod (5).

2. The protective anchor support structure for surrounding rock of a mine according to claim 1, characterized in that: The annular adjustment mechanism comprises a limit block (9) and a first limit bolt (10); an annular groove (6) is provided on the outer wall of the fixed plate (1); the slider (7) and the annular groove (6) are slidably connected; the limit block (9) and the slider (7) are fixedly connected; and the first limit bolt (10) and the limit block (9) are threadedly connected.

3. The protective anchor support structure for mine surrounding rock according to claim 1 is characterized in that: The position adjustment mechanism comprises a telescopic plate (2) and a rotating plate (22), the telescopic plate (2) and the slider (7) are slidably connected, the top of the slider (7) is threadedly connected with a second limiting bolt (21), the rotating plate (22) and the telescopic plate (2) are rotatably connected, and the movable plate (26) and the rotating plate (22) are rotatably connected.

4. The protective anchor support structure for mine surrounding rock according to claim 1 is characterized in that: The local support mechanism comprises a second nut (23) and a second threaded anchor rod (24); the second threaded anchor rod (24) and the movable plate (26) are threadedly connected; a second drill bit (25) is fixedly connected to the bottom of the second threaded anchor rod (24); and the second nut (23) and the outer wall of the second threaded anchor rod (24) are threadedly connected.

5. The protective anchor support structure for mine surrounding rock according to claim 1 is characterized in that: The contact stabilization mechanism comprises a bottom plate (11) and a first insertion rod (12); the bottom plate (11) and the bottom outer wall of the fixing plate (1) are fixedly connected; and the first insertion rod (12) and the bottom outer wall of the bottom plate (11) are fixedly connected.

6. The protective anchor support structure for mine surrounding rock according to claim 1 is characterized in that: The telescopic reinforcement mechanism comprises a first limiting plate (16) and a telescopic rod (14); the first threaded anchor rod (5) is arranged to be hollow; a sealing block (3) is arranged on the top of the first threaded anchor rod (5); a second nut (23) is threadedly connected to the outer wall of the first threaded anchor rod (5); the telescopic rod (14) passes through the first threaded anchor rod (5); the first limiting plate (16) and the telescopic rod (14) are fixedly connected; the first limiting plate (16) is located inside the first threaded anchor rod (5); a plurality of second insertion rods (13) are fixedly connected to the outer wall of the telescopic rod (14); and the second insertion rods (13) are located outside the first threaded anchor rod (5).

7. The protective anchor support structure for surrounding rock of a mine according to claim 1, characterized in that: The bottom reinforcement mechanism comprises a movable drill bit (15) and a movable rod (18); the bottom of the first threaded anchor rod (5) is fixedly connected to the first drill bit (8); the movable rod (18) passes through the first drill bit (8); the bottom of the movable rod (18) is fixedly connected to the movable drill bit (15); the first drill bit (8) is provided with a limiting groove (19); a clamping block (20) is provided on the inner wall of the limiting groove (19); and the clamping block (20) is fixedly connected to the movable rod (18).

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