High-strength mine goaf bottom plate

Abstract

The utility model discloses a high-strength mining goaf bottom plate, and relates to the technical field of goaf bottom plates, the high-strength mining goaf bottom plate comprises a compression-resistant steel plate and a fixing plate, the outer surface of the compression-resistant steel plate is fixedly provided with a baffle, and a supporting mechanism is arranged between the baffle and a buckle; a supporting plate is fixedly mounted on the outer surface of the compression-resistant steel plate, a connecting block is fixedly mounted on the outer surface of the fixing plate, and a winding mechanism is arranged between the supporting plate and the connecting block. According to the high-strength mining goaf bottom plate, a sliding plate is positioned through a limiting block installed on a supporting plate, a fixing piece is pulled, the fixing piece drives a fixing rod to move, the fixing rod drives the sliding plate to slide, the supporting range is widened, the fixing plate is manually moved, the fixing plate drives a rotating rod to rotate, and the rotating rod drives a connecting block to move; and the buckles installed on the fixing plate are clamped on the clamping hooks, so that the fixing plate is rolled into the inner end of the supporting plate, and carrying and carrying by personnel are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of goaf floor plate technology, specifically a high-strength goaf floor plate for mining. Background Technology

[0002] Coal seam mining creates goaf areas, which causes changes in the stress state of the rock strata. After the working face floor bulges, tension cracks form in the upper part of the rock strata, causing the floor rock strata to move towards the goaf area within a certain range. The floor supports and fixes the goaf area, thereby increasing the overall safety.

[0003] However, the existing goaf floor deforms due to changes in the rock strata, causing unstable support and resulting in collapse.

[0004] To address the aforementioned deficiencies, Chinese Patent Publication No. CN214170610U discloses a grid-like pressure-resistant structural support for goaf areas. This structure comprises a support grid consisting of interwoven, high-strength, dense, continuous roof-supporting filling walls. The auxiliary support system includes a pure coal gangue non-dense roof-supporting absorbent filling structure within the support grid's enclosed area, eliminating gangue piles; reducing or eliminating roof and floor damage; reducing water outflow from the roof and floor; reducing gas outflow; ensuring the effectiveness of roadway retention in both roadways; reducing roadway retention costs; achieving pillarless mining; improving coal resource recovery rate; reducing roadway excavation volume; alleviating mining continuity tension; significantly reducing or eliminating the convergence of the goaf roof and floor, reducing roof and floor pressure, creating favorable conditions for subsequent layered mining; and effectively preventing air circulation within the goaf.

[0005] The aforementioned device utilizes auxiliary supports to prevent damage to the base plate during use. However, the auxiliary supports in the aforementioned device only prevent damage to the base plate. The base plate has low strength and is easily affected by rock strata, leading to deformation. Therefore, in actual use, the base plate may have low strength and be easily affected by rock strata, resulting in deformation. Utility Model Content

[0006] The purpose of this utility model is to provide a high-strength mine goaf floor plate to solve the problem mentioned in the background art that the floor plate has low strength and is easily deformed by the rock strata.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a high-strength mine goaf floor plate, comprising a pressure-resistant steel plate and a fixing plate, and further comprising:

[0008] A baffle is fixedly installed on the outer surface of the pressure-resistant steel plate, a buffer net is fixedly installed on the outer surface of the pressure-resistant steel plate, a buckle is fixedly installed on the outer surface of the fixed plate, and a support mechanism is provided between the baffle and the buckle.

[0009] A support plate is fixedly installed on the outer surface of the pressure-resistant steel plate, and a connecting block is fixedly installed on the outer surface of the support plate. A winding mechanism is provided between the support plate and the connecting block.

[0010] Furthermore, limit blocks are fixedly installed on both sides of the support plate, and a sliding plate is movably installed on the outer surface of the limit blocks, and the limit blocks and the sliding plate form a sliding structure.

[0011] Furthermore, a positioning groove is provided on the inner side of the sliding plate, a baffle is movably abutted against the top of the sliding plate, and a fixing rod is fixedly installed on the outer surface of the sliding plate.

[0012] Furthermore, a telescopic rod is fixedly installed on the outer surface of the pressure-resistant steel plate, a fixing member is fixedly installed on the outer surface of the telescopic rod, and a fixing rod is fixedly installed on the inner side of the fixing member.

[0013] Furthermore, a support frame is fixedly installed on the outer surface of the pressure-resistant steel plate, and the support mechanism includes the support frame, with a rotating rod movably installed on the inner side of the support frame.

[0014] Furthermore, limiting plates are fixedly installed on both sides of the rotating rod, and a support frame is movably abutted against the outer surface of the limiting plate. A connecting block is fixedly installed on the outer surface of the rotating rod, and the rotating rod and the connecting block form a rotating structure.

[0015] Furthermore, a hook is fixedly installed on the bottom surface of the support plate, the winding mechanism includes a hook, a buckle is movably installed on the outer surface of the hook, and a fixed plate is movably abutted against the inner end of the support plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The specific details of this high-strength mine goaf floor slab are as follows:

[0018] 1. The sliding plate is positioned and supported by the limiting blocks installed on both sides of the support plate. By pulling the fixing parts, the fixing parts drive the fixing rod to move, and the fixing rod drives the sliding plate to slide, thereby increasing the support range.

[0019] Furthermore, the sliding plate is supported by telescopic rods installed with fasteners, thereby increasing the load-bearing capacity and strength of the sliding plate. The buffer net installed with pressure-resistant steel plates relieves the pressure of the rock layer, and the baffle at the top of the sliding plate prevents rocks from falling and damaging the sliding plate, thus increasing the overall safety.

[0020] 2. The pressure-resistant steel plate and the fixed plate are connected by a support frame. The fixed plate is moved manually, which drives the rotating rod to rotate. The rotating rod drives the connecting block to move, thereby opening and closing the fixed plate. The fixed plate is fixed in the rock stratum by screws, thereby increasing the overall support force.

[0021] Furthermore, the rotating rod is limited by the limiting plate, and the buckle installed on the fixed plate is locked onto the hook, thereby rolling the fixed plate into the inner end of the support plate, which is convenient for personnel to carry and transport. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the cross-sectional structure of the sliding plate of this utility model;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the pressure-resistant steel plate of this utility model;

[0025] Figure 4 This is a three-dimensional structural diagram of the fixing plate of this utility model;

[0026] Figure 5 This is a three-dimensional structural diagram of the fastener of this utility model;

[0027] Figure 6 This is a schematic diagram of the three-dimensional structure of the buckle of this utility model.

[0028] In the diagram: 1. Pressure-resistant steel plate; 2. Fixing plate; 3. Baffle; 4. Buffer net; 5. Support plate; 6. Limiting block; 7. Sliding plate; 8. Positioning groove; 9. Telescopic rod; 10. Fixing component; 11. Fixing rod; 12. Support frame; 13. Rotating rod; 14. Limiting disc; 15. Connecting block; 16. Buckle; 17. Hook. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1: Please refer to Figures 1-6The present invention provides the following technical solution: a high-strength mine goaf floor plate, comprising a pressure-resistant steel plate 1 and a fixing plate 2, further comprising: a baffle 3 fixedly installed on the outer surface of the pressure-resistant steel plate 1, a buffer net 4 fixedly installed on the outer surface of the pressure-resistant steel plate 1, a buckle 16 fixedly installed on the outer surface of the fixing plate 2, and a support mechanism provided between the baffle 3 and the buckle 16; a support plate 5 fixedly installed on the outer surface of the pressure-resistant steel plate 1, a connecting block 15 fixedly installed on the outer surface of the fixing plate 2, and a winding mechanism provided between the support plate 5 and the connecting block 15.

[0031] A support mechanism is provided between the baffle 3 and the buckle 16 to support the anti-pressure steel plate 1 and the fixed plate 2, thereby increasing the overall load-bearing capacity. The winding mechanism provided between the support plate 5 and the connecting block 15 facilitates the winding and unwinding of the fixed plate 2, thus making it convenient for personnel to operate.

[0032] Example 2:

[0033] Based on Example 1, please refer to Figures 1-6 The fastener 10 is also disclosed, and its specific structure is as follows: limit blocks 6 are fixedly installed on both sides of the support plate 5, and a sliding plate 7 is movably installed on the outer surface of the limit blocks 6. The limit blocks 6 and the sliding plate 7 form a sliding structure. A positioning groove 8 is opened on the inner side of the sliding plate 7. A baffle 3 is movably abutted at the top of the sliding plate 7. A fixing rod 11 is fixedly installed on the outer surface of the sliding plate 7. A telescopic rod 9 is fixedly installed on the outer surface of the pressure-resistant steel plate 1. The fastener 10 is fixedly installed on the outer surface of the telescopic rod 9, and the fixing rod 11 is fixedly installed on the inner side of the fastener 10.

[0034] The sliding plate 7 is positioned and supported by the limiting blocks 6 installed on both sides of the support plate 5. By pulling the fixing member 10, the fixing member 10 drives the fixing rod 11 to move, and the fixing rod 11 drives the sliding plate 7 to slide, thereby increasing the support range. The sliding plate 7 is supported by the telescopic rod 9 installed on the fixing member 10, thereby increasing the load-bearing capacity and strength of the sliding plate 7. The buffer net 4 installed on the pressure-resistant steel plate 1 relieves the pressure of the rock layer, and the baffle 3 at the top of the sliding plate 7 prevents rocks from falling from the rock layer and damaging the sliding plate 7, thereby increasing the overall safety.

[0035] Example 3:

[0036] Based on Example 1, please refer to Figures 1-6The support frame 12 is also disclosed, and its specific structure is as follows: the support frame 12 is fixedly installed on the outer surface of the pressure-resistant steel plate 1, the support mechanism includes the support frame 12, the inner side of the support frame 12 is movably installed with a rotating rod 13, the two sides of the rotating rod 13 are fixedly installed with limit plates 14, the outer surface of the limit plates 14 movably abuts against the support frame 12, and the outer surface of the rotating rod 13 is fixedly installed with a connecting block 15, and the rotating rod 13 and the connecting block 15 form a rotating structure. The bottom surface of the support plate 5 is fixedly installed with a hook 17, the winding mechanism includes the hook 17, the outer surface of the hook 17 is movably installed with a buckle 16, and the inner end of the support plate 5 movably abuts against the fixing plate 2.

[0037] The pressure-resistant steel plate 1 and the fixed plate 2 are connected by the support frame 12. The fixed plate 2 is moved manually, which drives the rotating rod 13 to rotate. The rotating rod 13 drives the connecting block 15 to move, thereby opening and closing the fixed plate 2. The fixed plate 2 is fixed in the rock stratum by screws, thereby increasing the overall support force. The rotating rod 13 is limited by the limiting plate 14. The buckle 16 installed on the fixed plate 2 is used to lock it on the hook 17, thereby rolling the fixed plate 2 into the inner end of the support plate 5, which is convenient for personnel to carry and transport.

[0038] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-strength mine goaf floor plate, comprising a compression-resistant steel plate (1) and a fixing plate (2), characterized in that, Also includes: The outer surface of the pressure-resistant steel plate (1) is fixedly equipped with a baffle (3), the outer surface of the pressure-resistant steel plate (1) is fixedly equipped with a buffer net (4), the outer surface of the fixing plate (2) is fixedly equipped with a buckle (16), and a support mechanism is provided between the baffle (3) and the buckle (16). A support plate (5) is fixedly installed on the outer surface of the pressure-resistant steel plate (1), and a connecting block (15) is fixedly installed on the outer surface of the fixing plate (2). A winding mechanism is provided between the support plate (5) and the connecting block (15).

2. A high-strength mine goaf floor slab according to claim 1, characterized in that: Limiting blocks (6) are fixedly installed on both sides of the support plate (5). A sliding plate (7) is movably installed on the outer surface of the limiting block (6), and the limiting block (6) and the sliding plate (7) form a sliding structure.

3. A high-strength mine goaf floor slab according to claim 2, characterized in that: The sliding plate (7) has a positioning groove (8) on its inner side, a baffle (3) is movably abutted against the top of the sliding plate (7), and a fixing rod (11) is fixedly installed on the outer surface of the sliding plate (7).

4. A high-strength mine goaf floor slab according to claim 1, characterized in that: A telescopic rod (9) is fixedly installed on the outer surface of the pressure-resistant steel plate (1), a fixing member (10) is fixedly installed on the outer surface of the telescopic rod (9), and a fixing rod (11) is fixedly installed on the inner side of the fixing member (10).

5. A high-strength mine goaf floor slab according to claim 1, characterized in that: A support frame (12) is fixedly installed on the outer surface of the pressure-resistant steel plate (1). The support mechanism includes the support frame (12), and a rotating rod (13) is movably installed on the inner side of the support frame (12).

6. A high-strength mine goaf floor slab according to claim 5, characterized in that: Limiting discs (14) are fixedly installed on both sides of the rotating rod (13). The outer surface of the limiting discs (14) is movably abutted against the support frame (12). A connecting block (15) is fixedly installed on the outer surface of the rotating rod (13). The rotating rod (13) and the connecting block (15) form a rotating structure.

7. A high-strength mine goaf floor slab according to claim 2, characterized in that: The bottom surface of the support plate (5) is fixedly installed with a hook (17), the winding mechanism includes a hook (17), the outer surface of the hook (17) is movably installed with a buckle (16), and the inner end of the support plate (5) is movably abutted against a fixing plate (2).

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