Roadway surrounding rock support anti-falling anchor disc

Abstract

The roadway surrounding rock support anti-falling anchor disc comprises a square tray component and anchor bolts, the anchor bolts vertically penetrate through the four opposite angles of the square tray component, and the upper end and the lower end of the joint of the anchor bolts and the square tray component are sleeved with a first cushion piece and a second cushion piece correspondingly; a conical table is arranged on the surface of one side of the square tray component, an anchor rod hole is formed in the middle of the end, away from the square tray component, of the conical table, and meanwhile a sleeve component is arranged in the middle of the square tray component. Meanwhile, the first cushion piece and the second cushion piece are connected to the upper end and the lower end of the joint of the threaded anchor bolt and the square tray component in a sleeving mode correspondingly, so that the fixing firmness of the square tray component can be guaranteed, and meanwhile the stability of the threaded anchor bolt after being installed and fixed can be guaranteed; therefore, the installation firmness of the whole structural part is ensured as much as possible, and the falling condition is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of mining, and particularly to an anti-falling anchor plate for roadway surrounding rock support. Background Technique

[0002] The support of roadway surrounding rock refers to the process of using various support measures to support and protect the surrounding rock after the roadway is excavated in order to maintain its stability and keep the required space. The main purpose of the support is to prevent the surrounding rock from deforming and collapsing and to ensure the long-term stability of the roadway; The anti-falling anchor plate for roadway surrounding rock support refers to a device used to prevent the bolt from falling off, usually called the bolt tray. The bolt tray is an important component of the slotted bolt. Its function is to transmit the thrust generated by the nut locking torque to the roof and sidewalls to generate an initial anchoring force. At the same time, it transmits the pressure of the roadway roof and sidewalls to the bolt to generate a working resistance, jointly reinforcing the surrounding rock and preventing the displacement of the roadway roof and sidewalls; The conventional tray structure is relatively single and can only provide a certain degree of structural thrust, but its stability in use and the firmness of the connection with the installation structure surface are also relatively limited. Summary of the Invention

[0003] The purpose of the present invention is to provide an anti-falling anchor plate for roadway surrounding rock support to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the present invention provides the following technical solution: An anti-falling anchor plate for roadway surrounding rock support includes a square tray member and a threaded anchor bolt. Threaded anchor bolts vertically penetrate through the four corners of the square tray member, and first cushion members and second cushion members are respectively sleeved on the upper and lower ends of the connection between the threaded anchor bolt and the square tray member. Moreover, a conical platform is provided on one surface of the square tray member, and a bolt hole is opened in the middle of the end of the conical platform far from the square tray member. At the same time, a sleeve member is provided in the middle of the square tray member.

[0005] Preferably, the square tray member includes a main disk body, through holes, embedding holes, and an anti-slip texture structure. Through holes are vertically opened at the four corners of the main disk body, and embedding holes are provided at the upper and lower ends of the through holes. An anti-slip texture structure is provided on one surface of the main disk body.

[0006] Preferably, the through holes and the embedding holes are integrally structured, and the anti-slip texture structure is provided on the surface of the main disk body far from the conical platform and is arranged in a radial structure.

[0007] Preferably, the first cushion member includes a nested member, a spring member, and a washer member. One end of the nested member is connected to the spring member, and the end of the spring member far from the nested member is connected to the washer member.

[0008] Preferably, the nested component, spring component and washer component are on the same central axis, and the inner diameter specification of the embedding hole and the outer diameter specification of the nested component match each other, and the nested component, spring component and washer component are connected to each other by welding.

[0009] Preferably, the sleeve component includes a support tube, a support triangle pile and an anti-skid pad. The outer surface of the support tube is connected to the support triangle pile, and the inner wall surface of the support tube is covered with an anti-skid pad.

[0010] Preferably, the supporting triangular piles are distributed in a circular array structure with the supporting tube as the center and are provided in three groups, and the supporting tube and the supporting triangular piles are welded to each other.

[0011] Preferably, the support tube and the supporting triangular pile are both connected to the conical platform by welding, and the support tube and the anchor hole are located on the same central axis, and the second cushion member and the first cushion member have the same structure.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the anti-drop anchor plate for tunnel surrounding rock support is provided with threaded anchor bolts vertically at the four diagonal corners of the square tray component, and the first cushion member and the second cushion member are respectively sleeved at the upper and lower ends of the connection between the threaded anchor bolt and the square tray component. With this structural setting, the firmness of the square tray component can be ensured, and the stability of the threaded anchor bolt itself after installation and fixation can be ensured, so as to ensure the installation firmness of the entire structural member as much as possible and avoid the situation of falling; The tunnel surrounding rock support anti-fall anchor plate is provided with a threaded anchor bolt, and a first gasket and a second gasket are respectively sleeved in the middle of the threaded anchor bolt. Since the first gasket and the second gasket have the same structure, the first gasket and the second gasket are respectively inserted into the embedded holes at both ends of the through hole by using a nested component, and then the threaded anchor bolt is passed through the through hole connected with the first gasket and the second gasket. By twisting the threaded anchor bolt, the spring components in the first gasket and the second gasket are compressed by the structure, and the force provided by the structure of the spring component itself and the structural characteristics of the spring itself are used to achieve the fixation and stability of the threaded anchor bolt. The threaded anchor bolt fixes the spring on the force-bearing structure by applying a torsion force, ensuring that the threaded anchor bolt will not move or loosen easily. By using the above structure, the stability effect of the structural component after use and installation can be guaranteed as much as possible, and unnecessary structural loosening can be avoided. The surrounding rock support anti-dropping anchor plate of this roadway is provided with a casing component. The entire casing component is welded to the conical platform. At the same time, the support pipe and the bolt hole are on the same central axis. When the entire bolt passes through the bolt hole, it will be inserted into the interior of the threaded anchor bolt. With the use of this structure, the stability effect when the bolt is combined with the entire structural component can be guaranteed as much as possible, avoiding the problem of unnecessary skewness at the structural connection. Moreover, by setting support triangular piles on the outer wall of the support pipe, the structural connection between the entire casing component and the conical platform can be effectively strengthened and supported, thereby improving the structural strength. In addition, the anti-slip cushion leather provided on the inner wall surface of the support pipe can ensure the connection stability between the bolt and the support pipe. And by setting an anti-slip texture structure on one side surface of the main disk body, this structure can be used to maintain sufficient stability with the fitting structural surface, providing effective frictional force on the connection surface. Brief Description of the Drawings

[0013] Figure 1 Is the axonometric view structure schematic diagram of the body of the device of the present invention; Figure 2 Is the axonometric view structure schematic diagram of the body of the device of the present invention; Figure 3 Is the exploded three-dimensional structure schematic diagram of the body of the device of the present invention; Figure 4 Is the three-dimensional structure schematic diagram of the square tray component of the device of the present invention; Figure 5 Is the three-dimensional structure schematic diagram of the first cushion member of the device of the present invention.

[0014] In the figure: 1. Square tray component; 101. Main disk body; 102. Through hole; 103. Embedded hole; 104. Anti-slip texture structure; 2. Threaded anchor bolt; 3. First cushion member; 301. Nesting member; 302. Spring member; 303. Washer member; 4. Second cushion member; 5. Conical platform; 6. Bolt hole; 7. Casing component; 701. Support pipe; 702. Support triangular pile; 703. Anti-slip cushion leather. Detailed Embodiment

[0015] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0016] Please refer to Figures 1-5, the present invention provides a technical solution: a roadway surrounding rock support anti-falling anchor plate, which includes a square tray member 1 and a threaded anchor bolt 2. Threaded anchor bolts 2 vertically penetrate through the four diagonal corners of the square tray member 1, and the upper and lower ends of the connection between the threaded anchor bolt 2 and the square tray member 1 are respectively sleeved with a first cushion member 3 and a second cushion member 4. Moreover, a conical platform 5 is provided on one side surface of the square tray member 1, and a bolt hole 6 is opened in the middle of the end of the conical platform 5 away from the square tray member 1. At the same time, a sleeve member 7 is provided in the middle of the square tray member 1. The first cushion member 3 includes a nested member 301, a spring member 302 and a washer member 303. One end of the nested member 301 is connected to the spring member 302, and the end of the spring member 302 away from the nested member 301 is connected to the washer member 303. The nested member 301, the spring member 302 and the washer member 303 are on the same central axis, and the inner diameter specification of the embedding hole 103 matches the outer diameter specification of the nested member 301. Moreover, the nested member 301, the spring member 302 and the washer member 303 are connected to each other by welding.

[0017] When using this roadway surrounding rock support anti-falling anchor plate, as Figure 1 and Figure 5 shown, first, assemble and connect the entire device. Insert the four groups of first cushion members 3 and second cushion members 4 into the inner parts of the embedding holes 103 at both ends of the through holes 102 opened at the four diagonal corners of the main disk body 101 by using the nested members 301 respectively, and then sequentially penetrate the four groups of threaded anchor bolts 2 through the inside of the first cushion member 3, the through hole 102 and the second cushion member 4.

[0018] At the same time, the square tray member 1 includes a main disk body 101, through holes 102, embedding holes 103 and an anti-slip texture structure 104. Through holes 102 are vertically opened at the four diagonal corners of the main disk body 101, and embedding holes 103 are provided at the upper and lower ends of the through holes 102. An anti-slip texture structure 104 is provided on one side surface of the main disk body 101. The through holes 102 and the embedding holes 103 are integrally structured, and the anti-slip texture structure 104 is provided on the side surface of the main disk body 101 away from the conical platform 5 and is arranged in a radial structure. The sleeve member 7 includes a support pipe 701, support triangular piles 702 and an anti-slip cushion skin 703. The outer surface of the support pipe 701 is connected to the support triangular piles 702, and the inner wall surface of the support pipe 701 is covered with the anti-slip cushion skin 703. The support triangular piles 702 are distributed in a circular array structure centered on the support pipe 701 and three groups are provided, and the support pipe 701 and the support triangular piles 702 are connected by welding. The support pipe 701 and the support triangular piles 702 are both connected to the conical platform 5 by welding, and the support pipe 701 and the bolt hole 6 are on the same central axis. The structure between the second cushion member 4 and the first cushion member 3 is the same.

[0019] The anchor rod is then passed through the anchor rod hole 6 at one end of the conical platform 5, and at the same time, it will pass through the support tube 701 with an anti-skid pad 703 on the inner surface. Then the main plate body 101 with an anti-skid pattern structure 104 on the surface is placed against the installation structure surface, and the threaded anchor bolt 2 is screwed into the interior of the installation structure surface in sequence. In this process, the spring component 302 between the nested component 301 and the washer component 303 will be structurally compressed, and the force provided by the spring component 302 itself and the structural characteristics of the spring itself will be used to fix and stabilize the threaded anchor bolt 2 to prevent the problem of loose installation during use of the structure. This is the working principle of the anti-fall anchor plate for tunnel surrounding rock support.

[0020] 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 anti-drop anchor plate for tunnel surrounding rock support, comprising a square tray component (1) and a threaded anchor bolt (2), characterized in that: Threaded anchor bolts (2) are vertically penetrated at the four diagonal points of the square tray component (1), and the first cushion member (3) and the second cushion member (4) are respectively sleeved at the upper and lower ends of the connection between the threaded anchor bolts (2) and the square tray component (1), and a conical platform (5) is provided on one side surface of the square tray component (1), and an anchor rod hole (6) is provided in the middle of the conical platform (5) away from the square tray component (1), and a sleeve member (7) is provided in the middle of the square tray component (1).

2. The anti-drop anchor plate for tunnel surrounding rock support according to claim 1, characterized in that: The square tray component (1) comprises a main tray body (101), a through hole (102), an embedding hole (103) and an anti-slip pattern structure (104); through holes (102) are vertically opened at four diagonal positions of the main tray body (101), and embedding holes (103) are arranged at the upper and lower ends of the through hole (102); and the anti-slip pattern structure (104) is arranged on one side surface of the main tray body (101).

3. The anti-drop anchor plate for tunnel surrounding rock support according to claim 2 is characterized in that: The through hole (102) and the embedding hole (103) are arranged in an integrated structure, and the anti-slip pattern structure (104) is arranged on a side surface of the main plate body (101) away from the conical platform (5) and is arranged in a radial structure.

4. The anti-drop anchor plate for tunnel surrounding rock support according to claim 2, characterized in that: The first cushion component (3) comprises a nesting component (301), a spring component (302) and a washer component (303); one end of the nesting component (301) is connected to the spring component (302), and one end of the spring component (302) away from the nesting component (301) is connected to the washer component (303).

5. The anti-drop anchor plate for tunnel surrounding rock support according to claim 4, characterized in that: The nested component (301), the spring component (302) and the washer component (303) are located on the same central axis, the inner diameter specification of the embedding hole (103) and the outer diameter specification of the nested component (301) match each other, and the nested component (301), the spring component (302) and the washer component (303) are connected to each other by welding.

6. The anti-drop anchor plate for tunnel surrounding rock support according to claim 1, characterized in that: The sleeve member (7) comprises a support tube (701), a support triangle pile (702) and an anti-skid pad (703); the outer surface of the support tube (701) is connected to the support triangle pile (702), and the inner wall surface of the support tube (701) is covered with the anti-skid pad (703).

7. The anti-drop anchor plate for tunnel surrounding rock support according to claim 6, characterized in that: The supporting triangular piles (702) are distributed in a circular array structure with the supporting tube (701) as the center, and three groups are provided, and the supporting tube (701) and the supporting triangular piles (702) are welded to each other.

8. The anti-drop anchor plate for tunnel surrounding rock support according to claim 6, characterized in that: The support tube (701) and the supporting triangular pile (702) are both connected to the conical platform (5) by welding, and the support tube (701) and the anchor hole (6) are located on the same central axis, and the second cushion member (4) and the first cushion member (3) have the same structure.

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