Empty roadway roof structure capable of improving bearing capacity

Abstract

The utility model relates to the technical field of gob support, and discloses a gob roof structure capable of improving bearing capacity. The empty roadway roof structure capable of improving the bearing capacity comprises a placing assembly, a supporting and reinforcing assembly is installed at the upper end of the placing assembly, a fixing block is installed in the supporting and reinforcing assembly, a second protection plate is installed on the inner side of the fixing block, and a supporting rod is installed at the upper end of the second protection plate; reinforcing blocks are installed on the inner sides of the supporting rods, a connecting and fixing assembly is installed at the upper end of the supporting and reinforcing assembly, a stabilizing plate is installed at the upper end of the connecting and fixing assembly, a groove is formed in the stabilizing plate, and a bottom face is installed at the lower end of the groove. The problem that safety accidents are caused by follow-up coal mine internal collapse due to poor supporting capacity of a traditional gob roadway roof during mounting and supporting is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of empty tunnel support, in particular to an empty tunnel top plate structure with improved bearing capacity. Background Art

[0002] In the process of the working face passing through the empty roadway, due to the impact of mining support pressure, weakening of the surrounding rock of the roadway, long maintenance time and other reasons, as the working face continues to advance, the distance from the empty roadway becomes shorter and shorter. Under the action of the advance support pressure, the basic roof is easy to break prematurely above the empty roadway, causing the empty roadway and the working face roof to sink sharply, and the mine pressure is abnormally severe. When the empty roadway and the working face are connected, the rock layer between the empty roadway and the mining working face is prone to sudden instability, which is prone to large-scale roof collapse, impact and crushing of supports and other accidents, thus affecting the safe production of coal mines.

[0003] The existing referenceable Chinese utility model patent with announcement number: CN103696788A discloses an empty tunnel support device, including a metal mesh, a steel belt, a protective net, a support anchor cable, a hanging support anchor cable, an anchor rod and a hydraulic support. The steel belt is installed on the roof of the empty tunnel through multiple hanging support anchor cables, and the hanging support anchor cables at both ends of the steel belt have an angle α with the roof. The metal mesh is fixed below the roof through the hanging support anchor cables and the support anchor cables. The steel belt is located below the metal mesh. Multiple support anchor cables are installed on the roof on the center line of the empty tunnel. The stack type hydraulic support is located in the empty tunnel. The top beam of the stack type hydraulic support abuts against the top plate. The protective net is installed on the side of the empty tunnel through the anchor rod. The present invention also discloses a construction method for a fully mechanized mining face passing through an empty tunnel.

[0004] Based on the search of the above patents and combined with the equipment in the prior art, it was found that when the empty tunnel is connected with the working face, the rock layer between the empty tunnel and the mining working face is prone to sudden instability, which is prone to large-scale roof falls, impact and collapse of supports, etc., thus affecting the safe production of coal mines. The traditional empty tunnel roof has poor supporting capacity during installation support, resulting in subsequent collapse of the coal mine and causing safety accidents. The existence of these problems has affected the use of the device. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides an empty tunnel roof structure with improved bearing capacity, which can effectively prevent the problem that the traditional empty tunnel roof has poor supporting capacity during installation support, leading to subsequent collapse inside the coal mine and causing safety accidents.

[0007] Technical Solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a roof structure of an empty tunnel with improved bearing capacity, comprising a placement component, wherein both sides of the upper end of the placement component are installed with support reinforcement components for supporting the interior of the empty tunnel, and the bearing capacity of the interior of the empty tunnel is supported by the first and second internal protective plates, and the upper end of the support reinforcement component is installed with a connecting and fixing component for reinforcing the upper end of the support reinforcement component.

[0009] A fixing block is installed inside the support reinforcement assembly, a second protective plate is installed inside the fixing block, and a support rod is installed on the upper end of the second protective plate, a reinforcement block is installed inside the support rod, and the reinforcement block is installed on the inside of the support rod. The reinforcement block is a triangular structure, which is convenient for increasing the stability of the overall structure later;

[0010] A stabilizing plate is installed at the upper end of the connecting and fixing component, a groove is installed inside the stabilizing plate, and a bottom surface is installed at the lower end of the groove. The bottom surface is installed at the lower end of the stabilizing plate, and the bottom surface is an arc-shaped structure that is fitted with the first protective plate to facilitate subsequent fixing of the stabilizing plate to the upper end of the first protective plate.

[0011] As a preferred technical solution of the utility model, a first structural rod is installed at the upper end of the placement component, and a second structural rod is installed at the side end of the first structural rod, a mounting plate is installed at the upper end of the second structural rod, and the mounting plate is installed at the upper end of the structural rod, and the first protective plate at the upper end is installed through the mounting plate.

[0012] As a preferred technical solution of the utility model, the upper end of the supporting reinforcement assembly is connected to a first protective plate, and a connecting groove is installed inside the first protective plate. The connecting groove is installed on the inner side of the first protective plate, and the internal fixing block is connected and installed through the connecting groove.

[0013] As a preferred technical solution of the utility model, a tilting rod is installed at the upper end of the connection and fixing assembly, and the tilting rod fixes the upper end stabilizing plate to the upper end of the first protective plate.

[0014] As a preferred technical solution of the utility model, the supporting and reinforcing component is installed on the upper end of the mounting plate in the placing component, and the connecting and fixing component is installed on the upper end of the first protective plate.

[0015] As a preferred technical solution of the present utility model, the first structural rod is a telescopic structure, and the structure of the first structural rod is the same as that of the second structural rod.

[0016] As a preferred technical solution of the utility model, the first protective plate is connected to the mounting plate, the first protective plate is an arc-shaped structure, the second protective plate is an arc-shaped structure, and a double row of support rods are installed at the upper end of the second protective plate, and the reinforcement block is a triangular structure.

[0017] As a preferred technical solution of the utility model, one end of the tilt rod is connected to the bottom surface, and the other end is connected to the side end of the first protective plate. The bottom surface is installed on the upper end of the first protective plate, and the bottom surface is an arc-shaped structure that fits the first protective plate.

[0018] Compared with the prior art, the utility model provides an empty tunnel roof structure with improved bearing capacity and has the following beneficial effects:

[0019] The utility model is provided with a device, wherein a support and reinforcement component is installed in the device, wherein a first protective plate is installed in the support and reinforcement component, the first protective plate is an arc-shaped structure, a connecting groove is installed inside the first protective plate, a fixing block is installed inside the connecting groove, the second protective plate is connected and installed through the fixing block, the second protective plate has the same structure as the first protective plate, and is convenient for supporting the upper end structure later, and a support rod is installed at the upper end of the second protective plate, the support rod supports the space inside the second protective plate and the first protective plate, a reinforcement block is installed on the inner side of the support rod, and the reinforcement block is a triangular structure, which is convenient for subsequent It is connected to the support rod to support and protect the protective plates. The side end is installed with a connecting and fixing component, and the connecting and fixing component is installed with a stabilizing plate. The stabilizing plate is connected by an inclined rod to facilitate the subsequent reinforcement connection of the upper end of the support reinforcement component, so as to facilitate the subsequent improvement of the overall bearing capacity, and effectively prevent the rock strata between the empty tunnel and the mining working face from suddenly becoming unstable during the connection between the empty tunnel and the working face, which is prone to large-scale roof falls, impact and crushing of the support, etc., thereby affecting the safe production of the coal mine. The traditional empty tunnel roof has poor supporting capacity when installing supports, which leads to subsequent collapse inside the coal mine and causes safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of placing components of the structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structural support and reinforcement assembly of the utility model;

[0023] Figure 4 It is a schematic diagram of the structural connection and fixing components of the utility model.

[0024] Among them: 1. Placement component; 101. First structural rod; 102. Second structural rod; 103. Mounting plate; 2. Support and reinforcement component; 201. First protective plate; 202. Connection groove; 203. Fixing block; 204. Second protective plate; 205. Support rod; 206. Reinforcement block; 3. Connection and fixing component; 301. Tilt rod; 302. Stabilizing plate; 303. Groove; 304. Bottom surface. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0026] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] See also Figure 1 - Figure 4 In this embodiment, an empty tunnel roof structure with improved bearing capacity includes: a placing component 1, a supporting and reinforcing component 2 is installed on the upper end of the placing component 1, a fixing block 203 is installed inside the supporting and reinforcing component 2, a second protective plate 204 is installed on the inner side of the fixing block 203, and a supporting rod 205 is installed on the upper end of the second protective plate 204, a reinforcing block 206 is installed on the inner side of the supporting rod 205, a connecting and fixing component 3 is installed on the upper end of the supporting and reinforcing component 2, a stabilizing plate 302 is installed on the upper end of the connecting and fixing component 3, a groove 303 is installed inside the stabilizing plate 302, and a bottom surface 304 is installed at the lower end of the groove 303, the supporting and reinforcing component 2 is installed on the upper end of the mounting plate 103 in the placing component 1, and the connecting and fixing component 3 is installed on the upper end of the first protective plate 201.

[0029] Through the above structure: the placement component 1 is convenient for connecting and installing the upper end structure, and is convenient for fixing the overall structure inside the coal mine later, the support and reinforcement component 2 is convenient for supporting the inside of the empty tunnel, and the bearing capacity of the inside of the empty tunnel is supported by the internal first protective plate 201 and the second protective plate 204, the connection and fixing component 3 is convenient for reinforcing the upper end of the support and reinforcement component 2, and the stabilizing plate 302 is connected by the internal tilting rod 301, which is convenient for subsequent use.

[0030] See also Figure 1 - Figure 4 A first structural rod 101 is installed at the upper end of the placement component 1, and a second structural rod 102 is installed at the side end of the first structural rod 101, and a mounting plate 103 is installed at the upper end of the second structural rod 102. The first structural rod 101 is a telescopic structure, and the structure of the first structural rod 101 and the second structural rod 102 are the same.

[0031] Through the above structure: by installing the first structural rod 101 and the second structural rod 102, the upper end structure is connected and fixed, and the first structural rod 101 and the second structural rod 102 have the same structure, which is convenient for subsequently fixing the whole to the ground, and the mounting plate 103 is installed at the upper end of the structural rod, and the first protective plate 201 at the upper end is installed through the mounting plate 103.

[0032] See also Figure 1 - Figure 4 The upper end of the supporting reinforcement component 2 is connected to a first protective plate 201, and a connecting groove 202 is installed inside the first protective plate 201. The first protective plate 201 is connected to the mounting plate 103. The first protective plate 201 is an arc-shaped structure, the second protective plate 204 is an arc-shaped structure, and a double row of support rods 205 are installed on the upper end of the second protective plate 204, and the reinforcement block 206 is a triangular structure.

[0033] Through the above structure: the upper end of the empty alley is supported and protected by installing the first protective plate 201, the connecting groove 202 is installed on the inner side of the first protective plate 201, the internal fixed block 203 is connected and installed through the connecting groove 202, the fixed block 203 is connected to the inside of the connecting groove 202, and the second protective plate 204 is connected through the fixed block 203. The second protective plate 204 has the same structure as the first protective plate 201, and the second protective plate 204 is an arc structure, which is convenient for supporting the upper end of the empty alley later, the support rod 205 is installed on the upper end of the second protective plate 204, and the support rod 205 is a double-row structure, which is convenient for supporting and reinforcing the connecting space inside the first protective plate 201 and the second protective plate 204 later, and the reinforcement block 206 is installed on the inner side of the support rod 205, and the reinforcement block 206 is a triangular structure, which is convenient for increasing the stability of the overall structure later.

[0034] See also Figure 1 - Figure 4 A tilt rod 301 is installed at the upper end of the connecting and fixing component 3, one end of the tilt rod 301 is connected to the bottom surface 304, and the other end is connected to the side end of the first protective plate 201. The bottom surface 304 is installed at the upper end of the first protective plate 201, and the bottom surface 304 is an arc-shaped structure that fits the first protective plate 201.

[0035] Through the above structure: the upper end of the stabilizing plate 302 is fixed to the upper end of the first protective plate 201 by installing the tilting rod 301, the stabilizing plate 302 is installed at the upper end of the first protective plate 201, and it is convenient to protect the upper end of the empty alley later, the groove 303 is installed inside the stabilizing plate 302, and the inside of the stabilizing plate 302 is firmly supported by the rectangular structure of the groove 303, the bottom surface 304 is installed at the lower end of the stabilizing plate 302, and the bottom surface 304 is an arc-shaped structure, which is installed in a fit with the first protective plate 201, so as to facilitate the subsequent fixing of the stabilizing plate 302 to the upper end of the first protective plate 201.

[0036] When in use, first, place the first structural rod 101 and the second structural rod 102 on the ground of the empty alley, the upper ends of the first structural rod 101 and the second structural rod 102 are installed with mounting plates 103, the upper end support reinforcement assembly 2 is connected and installed through the mounting plates 103, the mounting plates 103 are connected to the first protective plate 201, the first protective plate 201 is an arc-shaped structure, which is convenient for protecting the upper end of the empty alley, the first protective plate 201 is installed with a connecting groove 202 inside, the connecting groove 202 is installed with a fixing block 203, the second protective plate 204 is connected and installed through the fixing block 203, the second protective plate 204 has the same structure as the first protective plate 201, and the upper end of the second protective plate 204 is installed with a support rod 205 The first protective plate 201 and the second protective plate 204 are connected and supported by a support rod 205, and a reinforcement block 206 is installed on the inner side of the support rod 205. The first protective plate 201 and the second protective plate 204 are reinforced and supported by the reinforcement block 206. In order to facilitate the improvement of the overall bearing capacity, inclined rods 301 are installed on both sides of the first protective plate 201, and the inclined rods 301 connect the upper stabilizing plate 302. A groove 303 is installed inside the stabilizing plate 302. The groove 303 is an irregular structure, which is convenient for supporting the inside of the stabilizing plate 302 later. A bottom surface 304 is installed at the lower end of the stabilizing plate 302. The bottom surface 304 is an arc structure, which is convenient for subsequent bonding with the first protective plate 201 for use.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An empty tunnel roof structure with improved bearing capacity, characterized in that: The invention comprises a placement component (1), wherein a support and reinforcement component (2) is installed at the upper end of the placement component (1), a fixing block (203) is installed inside the support and reinforcement component (2), a second protective plate (204) is installed on the inner side of the fixing block (203), a support rod (205) is installed on the upper end of the second protective plate (204), a reinforcement block (206) is installed on the inner side of the support rod (205), a connection and fixing component (3) is installed at the upper end of the support and reinforcement component (2), a stabilizing plate (302) is installed at the upper end of the connection and fixing component (3), a groove (303) is installed inside the stabilizing plate (302), and a bottom surface (304) is installed at the lower end of the groove (303).

2. The empty tunnel roof structure with improved bearing capacity according to claim 1, characterized in that: A first structural rod (101) is installed at the upper end of the placement component (1), a second structural rod (102) is installed at the side end of the first structural rod (101), and a mounting plate (103) is installed at the upper end of the second structural rod (102).

3. The empty tunnel roof structure with improved bearing capacity according to claim 1, characterized in that: The upper end of the support reinforcement component (2) is connected to a first protective plate (201), and a connecting groove (202) is installed inside the first protective plate (201).

4. The empty tunnel roof structure with improved bearing capacity according to claim 1, characterized in that: A tilting rod (301) is installed at the upper end of the connection and fixing assembly (3).

5. The empty tunnel roof structure with improved bearing capacity according to claim 1, characterized in that: The supporting and reinforcing component (2) is installed on the upper end of the mounting plate (103) in the placing component (1), and the connecting and fixing component (3) is installed on the upper end of the first protective plate (201).

6. The empty tunnel roof structure with improved bearing capacity according to claim 2, characterized in that: The first structural rod (101) is a telescopic structure, and the first structural rod (101) and the second structural rod (102) have the same structure.

7. The empty tunnel roof structure with improved bearing capacity according to claim 3 is characterized in that: The first protective plate (201) is connected to the mounting plate (103), the first protective plate (201) is an arc-shaped structure, the second protective plate (204) is an arc-shaped structure, and a double row of support rods (205) are installed at the upper end of the second protective plate (204), and the reinforcement block (206) is a triangular structure.

8. The empty tunnel roof structure with improved bearing capacity according to claim 4, characterized in that: One end of the tilt rod (301) is connected to the bottom surface (304), and the other end is connected to the side end of the first protective plate (201); the bottom surface (304) is installed on the upper end of the first protective plate (201); the bottom surface (304) is an arc-shaped structure that fits the first protective plate (201).

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