Reinforcing mesh for supporting installed in underground coal mine

Abstract

The utility model discloses a reinforcing mesh for supporting and installed in an underground coal mine, which relates to the technical field of coal mine wells and is technically characterized by comprising transverse reinforcing steel bars and longitudinal reinforcing steel bars, and the transverse reinforcing steel bars and the longitudinal reinforcing steel bars are equal in number and are vertically welded at equal intervals; connecting structures are mounted at one ends of the transverse steel bars; the connecting structure comprises hooks which are fixedly connected to the transverse steel bars, and the number of the hooks is two smaller than that of the transverse steel bars; the threaded hole is formed in the hook; the utility model has the technical effects that when the reinforcing meshes for underground coal mine supporting are connected, the hooks on the lower reinforcing meshes are hooked on the longitudinal reinforcing steel bars of the upper reinforcing meshes, and after hooking, the threaded rods are screwed, so that the threaded rods are screwed in the threaded holes until the threaded rods abut against the hooks, and the hooks are sealed; and the connected reinforcing meshes are prevented from being unhooked, so that the reinforcing meshes are stably connected.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine technology field, concretely is the steel mesh of supporting of coal mine underground installation. BACKGROUND

[0002] The steel mesh for coal mine underground support is mainly the net -like structure of square block that a plurality of steel bars are perpendicular to each other welded or fixedly connected with steel wire, is used for the supporting work in the coal mine, and the safety of work in the coal mine is enhanced.

[0003] However, the steel mesh for supporting of coal mine underground installation adopts the hook hanging connection at present, and the hook is not sealed, and the risk of unhooking is caused easily, thereby the stability problem of the steel mesh for supporting of coal mine underground installation is influenced, therefore, we propose a new type of steel mesh for supporting of coal mine underground installation. UTILITY MODEL CONTENT

[0004] (I) the technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides the steel mesh for supporting of coal mine underground installation, and the stability problem of the steel mesh for supporting of coal mine underground installation is solved, which is connected with the hook, and the hook is not sealed, and the risk of unhooking is caused easily, thereby the stability problem of the steel mesh for supporting of coal mine underground installation is influenced.

[0006] (II) technical scheme

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: the steel mesh for supporting of coal mine underground installation, including horizontal steel bar and longitudinal steel bar,

[0008] The number of horizontal steel bar and longitudinal steel bar is equal and is perpendicular to each other and is welded at equal distance.

[0009] One end of horizontal steel bar is provided with connecting structure.

[0010] Connecting structure includes:

[0011] Hook, it is fixedly connected on horizontal steel bar, and it is less than the number of horizontal steel bar two.

[0012] Screw hole, it is set up on hook.

[0013] Threaded rod, it is sleeved in screw hole.

[0014] Preferably, the other end of the horizontal steel bar is provided with a connecting plate, and a plurality of horizontal steel bars are connected to one connecting plate, and the connecting plate is provided with not less than three vertical pegs.

[0015] Preferably, the connecting plate is provided with not less than three through holes, and the through holes are respectively penetrated by horizontal pegs.

[0016] Preferably, bolts are respectively installed on the vertical insertion nails, first threaded grooves are formed on the connecting plates, and the first threaded grooves correspond to the bolts.

[0017] Preferably, round plates are respectively installed on the horizontal insertion nails.

[0018] Preferably, a second threaded groove is formed on each of the hooks, and the second threaded groove is on the same vertical line as the threaded hole.

[0019] Preferably, rotating members are respectively installed on the threaded rods.

[0020] (Three) beneficial effects

[0021] Compared with the prior art, the utility model provides a steel mesh for supporting in coal mine, has the following beneficial effects:

[0022] 1. When the steel mesh for supporting in coal mine is connected, the hook on the lower steel mesh is hooked on the longitudinal steel of the upper steel mesh, after being hooked, the threaded rod is screwed, the threaded rod is screwed in the threaded hole, and the hook is tightly closed, the connected steel mesh is prevented from being unhooked, and the steel mesh is stably connected.

[0023] 2. The vertical insertion nail on the connecting plate is inserted into the coal mine bottom, the lowermost steel mesh is fixed on the coal mine bottom, the horizontal insertion nail is inserted into the through hole on the connecting plate and the sidewall of the coal mine, and the steel mesh is fixed in the coal mine bottom. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 It is a structural schematic view of the utility model;

[0025] Fig. 2 It is a structural schematic view of the hook, threaded hole and threaded rod of the utility model;

[0026] Fig. 3 It is a structural schematic view of the vertical insertion nail, bolt and first threaded groove of the utility model;

[0027] Fig. 4 It is a structural schematic view of the horizontal steel and longitudinal steel of the utility model.

[0028] In the drawing:

[0029] 1. Horizontal steel;

[0030] 2. Longitudinal steel;

[0031] 3. Connecting plate;

[0032] 4, connecting structure; 401, hook; 402, threaded hole; 403, threaded rod;

[0033] 5, vertical nail;

[0034] 6, bolt;

[0035] 7, first threaded groove;

[0036] 8, through hole;

[0037] 9, horizontal nail;

[0038] 10, round plate;

[0039] 11, second threaded groove;

[0040] 12, rotating part. DETAILED DESCRIPTION

[0041] In the utility model, if no opposite statement is made, the orientation such as "up, down" is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction; Similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawing; "inner, outer" refers to the inner and outer of the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0042] The utility model provides a technical scheme:

[0043] Please refer to Figs. 1-4 The steel mesh for supporting installed in the coal mine includes horizontal steel bars 1 and longitudinal steel bars 2,

[0044] The number of the horizontal steel bars 1 and the longitudinal steel bars 2 is equal and perpendicularly welded at equal distance, and the number of the horizontal steel bars 1 and the longitudinal steel bars 2 is not less than eight, and the horizontal steel bars 1 and the longitudinal steel bars 2 form the steel mesh;

[0045] One end of the horizontal steel bar 1 is provided with a connecting structure 4;

[0046] The connecting structure 4 includes:

[0047] The hook 401 is fixedly connected on the horizontal steel bar 1, and the number of the hook 401 is less than that of the horizontal steel bar 1 by two;

[0048] The threaded hole 402 is arranged on the hook 401;

[0049] The threaded rod 403 is sleeved in the threaded hole 402;

[0050] In the connection of the reinforcing mesh, the hook 401 on the lower reinforcing mesh is hooked on the longitudinal steel bar 2 of the upper reinforcing mesh, after being hooked, the threaded rod 403 is screwed, the threaded rod 403 is screwed in the threaded hole 402 until abutting in the hook 401, the hook 401 is sealed, the connected reinforcing mesh is prevented from unhooking, and the reinforcing mesh is stably connected.

[0051] Further, the other end of the transverse steel bar 1 is provided with a connecting plate 3, and no less than eight transverse steel bars 1 are connected to the connecting plate 3, the connecting plate 3 is provided with no less than three vertical nails 5, and the reinforcing mesh is arranged at the lowermost position in the coal mine, when the reinforcing mesh is arranged on the wall of the coal mine, the vertical nail 5 on the connecting plate 3 is inserted into the coal mine, so that the reinforcing mesh is fixed on the coal mine.

[0052] Further, no less than three through holes 8 are formed in the connecting plate 3, and the transverse nail 9 is respectively inserted into the through hole 8, when the reinforcing mesh is fixed on the coal mine, the transverse nail 9 is inserted into the through hole 8 on the connecting plate 3 and is inserted into the side wall of the coal mine, so that the reinforcing mesh is fixed in the coal mine.

[0053] Further, the bolt 6 is respectively arranged on the vertical nail 5, the first threaded groove 7 is formed in the connecting plate 3, the bolt 6 is sleeved in the first threaded groove 7, and the bolt 6 on the vertical nail 5 is screwed into the first threaded groove 7 on the connecting plate 3, so that the vertical nail 5 is arranged on the connecting plate 3.

[0054] Further, the round plate 10 is respectively arranged on the transverse nail 9, and the round plate 10 prevents the connecting plate 3 from being separated from the transverse nail 9.

[0055] Further, the second threaded groove 11 is formed in each hook 401, the second threaded groove 11 is arranged on the same vertical line with the threaded hole 402, when the threaded rod 403 is screwed, the threaded rod 403 is screwed into the second threaded groove 11 in the hook 401, so that the hook 401 is more stably sealed.

[0056] Further, the rotating part 12 is respectively arranged on the threaded rod 403, and the rotating part 12 drives the threaded rod 403 to rotate.

[0057] In specific use, the working principle of the utility model is as follows:

[0058] Preparation:

[0059] The transverse steel bar 1 and the longitudinal steel bar 2 are vertically welded at equal distances, the reinforcing mesh is prepared, the bolt 6 on the vertical nail 5 is screwed into the first threaded groove 7 on the connecting plate 3, and the vertical nail 5 is arranged on the connecting plate 3.

[0060] In use:

[0061] The vertical pegs 5 on the connecting plate 3 are inserted into the coal mine bottom, and the lowermost steel mesh is fixed on the coal mine bottom;

[0062] The horizontal pegs 9 are inserted into the through holes 8 on the connecting plate 3 and into the sidewall of the coal mine, and the steel mesh is reinforced and fixed in the coal mine bottom, and the round plate 10 prevents the connecting plate 3 from being separated from the horizontal peg 9;

[0063] The steel meshes are connected one by one upwards, and when the steel meshes are connected, the hooks 401 on the lower steel mesh are hooked on the longitudinal steel bars 2 of the upper steel mesh, after being hooked, the threaded rods 403 are screwed, the threaded rods 403 are screwed in the threaded holes 402 until the threaded rods 403 are screwed into the second threaded grooves 11 on the hooks 401, the hooks 401 are sealed, the connected steel meshes are prevented from being unhooked, the steel meshes are stably connected, the spliced steel meshes support the sidewall of the coal mine, and the coal mine is prevented from collapsing.

[0064] Through the cooperation of the horizontal steel bars 1, the longitudinal steel bars 2 and the connecting structure 4, the device can significantly improve the stability of the connected steel meshes, and in particular, solves the risk of unhooking in the traditional device, thereby affecting the stability of the installed supporting steel mesh in the coal mine.

[0065] In summary, the coal mine installed supporting steel mesh is innovatively designed to avoid the unhooking of the connected steel meshes and to stably connect the steel meshes.

[0066] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the basically same technical problem and achieve the basically same technical effect is covered in the protection scope of the present application.

Claims

1. A reinforcing mesh for supporting installed in a coal mine, comprising horizontal steel bars (1) and vertical steel bars (2), characterized in that: the horizontal steel bars (1) and the vertical steel bars (2) are equal in number and are vertically welded at equal distances from each other; one end of the horizontal steel bars (1) is provided with a connecting structure (4); the connecting structure (4) comprises: hooks (401) fixedly connected to the horizontal steel bars (1) and less in number than the horizontal steel bars (1) by two; threaded holes (402) formed in the hooks (401); and threaded rods (403) sleeved in the threaded holes (402); the other end of the horizontal steel bars (1) is provided with a connecting plate (3), and a plurality of horizontal steel bars (1) are connected to the connecting plate (3), and the connecting plate (3) is provided with no less than three vertical insertion nails (5); the connecting plate (3) is provided with no less than three through holes (8), and the through holes (8) are respectively penetrated by horizontal insertion nails (9); the vertical insertion nails (5) are respectively provided with bolts (6), the connecting plate (3) is provided with first threaded grooves (7) corresponding to the bolts (6), and the bolts (6) are sleeved in the first threaded grooves (7); the horizontal insertion nails (9) are respectively provided with round plates (10); each hook (401) is provided with a second threaded groove (11) on the same vertical line with the threaded hole (402); and the threaded rods (403) are respectively provided with rotating members (12). ​ ​ ​ ​ ​ ​ 2. A coal mine underground installed steel mesh for supporting a mine roof as claimed in claim 1 wherein: ​ 3. A coal mine underground installed steel mesh for supporting a mine roof as claimed in claim 2 wherein: ​ 4. A steel mesh for use in bolting of underground coal mines as claimed in claim 2, wherein: ​ 5. A steel mesh for use in bolting of coal mine installations according to claim 3, characterized in that: ​ 6. A mine installed mesh reinforcement for supporting in a coal mine according to claim 1, characterised in that: ​ 7. A mine installed mesh reinforcement for supporting in a coal mine according to claim 1, characterised in that: ​

Images