Supporting net for underground coal mine supporting

Abstract

The utility model provides a supporting net for underground coal mine supporting, which relates to the technical field of underground coal mine protection and comprises a mounting plate and a supporting net piece, a mounting seat is fixed on the upper surface of the mounting plate, and mounting components are arranged on the left side and the right side of the mounting seat. According to the supporting net for underground supporting of the coal mine, mounting blocks are placed on the left side and the right side of a mounting base, limiting holes are correspondingly clamped to exposed parts of positioning rods, meanwhile, an inserting barrel is inserted into an inserting groove, and at the moment, one side of each mounting block can extrude the inclined face of a clamping block, so that the clamping block moves into the inserting barrel along a through groove; when one side of the mounting block is in contact with one side of the mounting seat, the sliding plate pushes the clamping block to move out of the inserting cylinder through the push rod under the elastic force of the spring, so that the position of the mounting block is clamped and fixed; therefore, the two supporting meshes can be quickly and conveniently assembled and connected, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a supporting net, concretely is a supporting net for coal mine underground support, belongs to coal mine underground protection technical field. BACKGROUND

[0002] China's coal mine is mainly underground mining, needs to excavate a large number of laneways in the underground, adopts laneway support to keep the laneway unobstructed and surrounding rock stable, which is of great significance to coal mine construction and production, and in the support work, the supporting net sheet occupies the extremely important protection position.

[0003] The supporting net sheet disclosed in the Chinese patent application publication CN216767411U can be connected and installed into the installation slot on the positioning installation block through the sealing hanging ring on the supporting net sheet, cooperates with the positioning rod passing through the positioning slot and the hanging ring, can stably connect and fix the supporting net sheet structure, so that the two supporting net sheets can be quickly and conveniently connected, can effectively ensure the stability of the structure connection position, and the whole structure is simple and convenient to operate, is very flexible to use, can greatly reduce the workload required by conventional connection, shorten the working time, ensure the stability of the structure and also improve the work efficiency.

[0004] In the above patent scheme, the two supporting net sheets can be quickly and conveniently connected, but workers need to use tools to rotate the fastening bolt and screw it into the threaded groove to fix and install the fixing table, which not only increases the working steps, but also may cause a long installation time, especially in complex environments such as underground, the space is small and the lighting condition is poor, which reduces the work efficiency.

[0005] Therefore, a supporting net for coal mine underground support is proposed. UTILITY MODEL CONTENTS

[0006] The utility model proposes a supporting net for coal mine underground support, which can quickly and conveniently assemble and connect two supporting net sheets and improve the work efficiency.

[0007] The utility model is implemented through the following technical scheme: a supporting net for coal mine underground support, comprising an installation plate and a supporting net sheet, the upper surface of the installation plate is fixed with an installation seat, and the left and right sides of the installation seat are provided with installation assemblies.

[0008] The installation assembly comprises a mounting base, a plug barrel fixed on the left and right sides of the mounting base, a sliding plate slidably connected to the inner wall of the plug barrel, two push rods hingedly connected to the side of the sliding plate away from the mounting base, two clamping blocks hingedly connected to the ends of the two push rods away from each other, a slope provided on the side of the clamping block close to the pressing block, a pressing rod fixed on the side of the sliding plate close to the push rod, one end of the pressing rod penetrating out of the plug barrel, a spring fixed on the side of the sliding plate away from the pressing rod, and the other end of the spring fixed to the inner wall of the plug barrel.

[0009] Further, one end of the pressing rod away from the sliding plate is fixed with the pressing block, and a through slot is formed in the plug barrel, and the outer surface of the clamping block is in sliding contact with the inner wall of the through slot.

[0010] Further, two sliding grooves are formed in the inner wall of the plug barrel, and a sliding block is fixed on the side of the clamping block close to the sliding groove, and the outer surface of the sliding block is in sliding connection with the inner wall of the sliding groove.

[0011] Further, the support mesh is composed of a transverse steel wire, a longitudinal steel wire and a hanging ring, a clamping slot is formed in the mounting base, and the hanging ring is clamped with the clamping slot.

[0012] Further, an insertion hole is formed in the mounting base, a positioning rod is inserted into the inner wall of the insertion hole, and the positioning rod penetrates through the hole in the middle of the hanging ring.

[0013] Further, the left and right sides of the mounting base are provided with mounting blocks, the side of the clamping block away from the pressing block is in abutment with one side of the mounting block, a limiting hole is formed in the mounting block, and the limiting hole is inserted with the positioning rod.

[0014] Further, an insertion slot is formed in the middle of the mounting block, and the insertion slot is inserted with the plug barrel.

[0015] The utility model provides a kind of support mesh for coal mine underground support, and it has the beneficial effects as follows:

[0016] 1, the support mesh for coal mine underground support, the hanging ring on the two support meshes is respectively clamped into the clamping slot in the two sides of mounting base, then positioning rod is inserted into the insertion hole in mounting base, and also inserted into the hole in hanging ring, then mounting block is placed to the left and right sides of mounting base, and limiting hole is clamped on the exposed part of positioning rod, and plug barrel is inserted into insertion slot, the side of mounting block will extrude the slope of clamping block at this time, so that it moves to plug barrel along through slot, the movement of clamping block will extrude spring by push rod to push sliding plate, so that it generates elastic force, when the side of mounting block is in contact with the side of mounting base, sliding plate will move to the outside of plug barrel by push rod to push clamping block under the elastic force of spring at this time, so as to clamp and fix the position of mounting block, and then the assembly connection of two support meshes is quickly and conveniently completed, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is the sectional view schematic view of the mounting seat in the utility model;

[0019] Figure 3 It is the sectional view schematic view of the mounting seat in the utility model; Figure 2 It is the structure enlarged schematic view of A in the utility model;

[0020] Figure 4 It is the sectional view schematic view of the mounting seat in the utility model;

[0021] Mark explanation

[0022] 1, mounting plate;

[0023] 2, mounting assembly; 201, insert cylinder; 202, sliding plate; 203, spring; 204, push rod; 205, clamping block; 206, press bar; 207, press block; 208, sliding groove; 209, sliding block; 210, through slot;

[0024] 3, supporting mesh; 301, horizontal steel wire; 302, longitudinal steel wire; 303, hanging ring;

[0025] 4, mounting seat; 401, clamping groove; 402, insertion hole;

[0026] 5, mounting block; 501, limiting hole; 502, insertion slot;

[0027] 6, positioning rod. Specific implementation

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely 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 embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0029] Please refer to Figures 1-4 The utility model proposes the following implementation plan: a supporting net for coal mine underground support, including mounting plate 1 and supporting mesh 3, the upper surface of mounting plate 1 is fixed with mounting seat 4, and mounting seat 4 is equipped with mounting assembly 2 on the left and right sides.

[0030] Please refer to Figure 2The supporting mesh 3 is composed of transverse steel wires 301, longitudinal steel wires 302 and hanging rings 303. The plurality of transverse steel wires 301 and the plurality of longitudinal steel wires 302 are interlaced and woven, and the transverse steel wires 301 and the plurality of longitudinal steel wires 302 are fixed by welding at the interlaced positions, so that the structure support is more stable. The hanging ring 303 is twisted from one end of the steel wire on the mesh, and the opening position of the hanging ring 303 is closed and fixed by welding. The mounting seat 4 is provided with a clamping groove 401, and the hanging ring 303 is clamped with the clamping groove 401.

[0031] Please refer to Figure 2 The mounting seat 4 is provided with a plug hole 402, and the inner wall of the plug hole 402 is inserted with a positioning rod 6, and the positioning rod 6 penetrates the hole in the middle of the hanging ring 303.

[0032] The mounting seat 4 is provided with a mounting block 5 on the left and right sides, and the mounting block 5 is provided with a limiting hole 501, and the limiting hole 501 is inserted with the positioning rod 6.

[0033] Please refer to Figure 3 and Figure 4 The mounting assembly 2 comprises a plug cylinder 201 fixed on the left and right sides of the mounting seat 4, and the inner wall of the plug cylinder 201 is slidably connected with a sliding plate 202. The sliding plate 202 is hingedly connected with two push rods 204 away from the mounting seat 4, and the ends of the two push rods 204 away from each other are hingedly connected with a clamping block 205. The side of the clamping block 205 close to the pressing block 207 is provided with an inclined surface. The side of the sliding plate 202 close to the push rod 204 is fixed with a pressing rod 206, and one end of the pressing rod 206 penetrates to the outside of the plug cylinder 201. The side of the sliding plate 202 away from the pressing rod 206 is fixed with a spring 203, and the end of the spring 203 away from the sliding plate 202 is fixed with the inner wall of the plug cylinder 201.

[0034] The end of the pressing rod 206 away from the sliding plate 202 is fixed with a pressing block 207, and the plug cylinder 201 is provided with a through slot 210, and the outer surface of the clamping block 205 is in sliding contact with the inner wall of the through slot 210.

[0035] The side of the clamping block 205 away from the pressing block 207 abuts against one side of the mounting block 5.

[0036] The middle of the mounting block 5 is provided with an insertion slot 502, and the insertion slot 502 is inserted with the plug cylinder 201.

[0037] The hanging rings 303 on the two supporting meshes 3 are clamped into the clamping grooves 401 on the left and right sides of the mounting seat 4, respectively, and then the positioning rod 6 is inserted into the plug hole 402 on the mounting seat 4 and also into the hole in the hanging ring 303. Then the mounting block 5 is placed on the left and right sides of the mounting seat 4, and the limiting hole 501 is clamped on the exposed part of the positioning rod 6, and the plug cylinder 201 is inserted into the insertion slot 502.

[0038] At this time, one side of the installation block 5 can extrude the inclined surface of the clamping block 205, so that the clamping block 205 moves along the through groove 210 to the insertion cylinder 201, the movement of the clamping block 205 can extrude the spring 203 through the push rod 204 to push the sliding plate 202, so that the spring 203 generates elastic force, when one side of the installation block 5 is in contact with one side of the mounting seat 4, at this time, the sliding plate 202 can push the clamping block 205 to move out of the insertion cylinder 201 through the push rod 204 under the elastic force of the spring 203, so that the position of the installation block 5 is clamped and fixed, and then the assembly connection of the two supporting meshes 3 is quickly and conveniently completed, and the working efficiency is improved.

[0039] Please refer to Figure 4 The inner side wall of the insertion cylinder 201 is provided with two sliding grooves 208, and the side, close to the sliding groove 208, of the clamping block 205 is fixedly provided with a sliding block 209, and the outer surface of the sliding block 209 is in sliding connection with the inner wall of the sliding groove 208.

[0040] In use, the two hanging rings 303 on the two supporting meshes 3 are clamped into the clamping grooves 401 on the two sides of the mounting seat 4, then the positioning rod 6 is inserted into the insertion hole 402 on the mounting seat 4 and also inserted into the hole in the hanging ring 303, then the installation block 5 is placed on the left and right sides of the mounting seat 4, and the limiting hole 501 is clamped on the exposed part of the positioning rod 6, and the insertion cylinder 201 is inserted into the insertion groove 502.

[0041] At this time, one side of the installation block 5 can extrude the inclined surface of the clamping block 205, so that the clamping block 205 moves along the through groove 210 to the insertion cylinder 201, the movement of the clamping block 205 can extrude the spring 203 through the push rod 204 to push the sliding plate 202, so that the spring 203 generates elastic force, when one side of the installation block 5 is in contact with one side of the mounting seat 4, at this time, the sliding plate 202 can push the clamping block 205 to move out of the insertion cylinder 201 through the push rod 204 under the elastic force of the spring 203, so that the position of the installation block 5 is clamped and fixed, and then the assembly connection of the two supporting meshes 3 is quickly and conveniently completed, and the working efficiency is improved.

[0042] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the industry that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A support mesh for use in underground coal mining, comprising a mounting plate (1) and a support mesh sheet (3), characterised in that: The upper surface of the mounting plate (1) is fixed with a mounting seat (4), and the left and right sides of the mounting seat (4) are provided with mounting assemblies (2); The mounting assembly (2) comprises a plug cylinder (201) fixed on the left and right sides of the mounting seat (4), the inner wall of the plug cylinder (201) is slidably connected with a sliding plate (202), the side, away from the mounting seat (4), of the sliding plate (202) is hingedly connected with two push rods (204), the ends, away from each other, of the two push rods (204) are hingedly connected with clamping blocks (205), the side, close to the push rod (204), of the sliding plate (202) is fixed with a press rod (206), one end of the press rod (206) penetrates to the outside of the plug cylinder (201), the side, away from the press rod (206), of the sliding plate (202) is fixed with a spring (203), and the end, away from the sliding plate (202), of the spring (203) is fixed to the inner side wall of the plug cylinder (201).

2. The support net for underground coal mine support according to claim 1, characterized in that: The end, away from the sliding plate (202), of the press rod (206) is fixed with a press block (207), and a through slot (210) is formed in the plug cylinder (201), and the outer surface of the clamping block (205) is in sliding contact with the inner wall of the through slot (210).

3. The support net for underground coal mine support according to claim 1, characterized in that: The inner side wall of the plug cylinder (201) is provided with two sliding grooves (208), the side, close to the sliding groove (208), of the clamping block (205) is fixed with a sliding block (209), and the outer surface of the sliding block (209) is in sliding connection with the inner wall of the sliding groove (208).

4. The support net for underground coal mine support according to claim 1, characterized in that: The support mesh (3) is composed of a transverse steel wire (301), a longitudinal steel wire (302) and a hanging ring (303), the mounting seat (4) is provided with a clamping groove (401), and the hanging ring (303) is clamped with the clamping groove (401).

5. A support mesh for use in underground coal mining according to claim 4 wherein: The mounting seat (4) is provided with a plug hole (402), the inner wall of the plug hole (402) is inserted with a positioning rod (6), and the positioning rod (6) penetrates the hole in the middle of the hanging ring (303).

6. The support net for underground coal mine support according to claim 1, characterized in that: The left and right sides of the mounting seat (4) are provided with mounting blocks (5), the mounting blocks (5) are provided with limiting holes (501), and the limiting holes (501) are inserted with the positioning rod (6).

7. A support mesh for use in underground coal mining according to claim 6 wherein: The middle part of the mounting block (5) is provided with a plug slot (502), and the plug slot (502) is inserted with the plug cylinder (201).

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