Connector of underground recoverable anchor rod

Abstract

The utility model discloses an underground recoverable anchor rod connector which comprises a connecting pipe and an anchor pipe arranged at the bottom of the connecting pipe, a connecting structure is arranged at the bottom of the connecting pipe, the connecting structure comprises a connecting block fixedly connected in the connecting pipe, the inner side of the connecting block is movably connected with a pressing plate through a pin shaft, and the pressing plate is fixedly connected with the connecting pipe. The side, away from the connecting block, of the pressing plate penetrates through the connecting pipe and extends into the anchor pipe. The transmission structure extrudes the stress plate, the stress plate is extruded and drives the pressing plate to swing with the pin shaft in the connecting block as the axis, and when the outer side of the pressing plate makes contact with the inner wall of the anchor pipe, the effect of extruding, positioning and connecting the anchor pipe and the connecting pipe is achieved; according to the anchor rod recovery device, the recovery mode of an existing anchor rod can be improved, the mode of connection through alignment threads is replaced, displacement of the connector inserted into the ground due to shaking is avoided, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt recovery, in particular to a connector for an underground recoverable bolt. Background Technique

[0002] A bolt is an important engineering structural member, widely used in fields such as mines, civil engineering, and construction engineering. A bolt is a fixing object, usually made of steel or concrete, used to fix or support certain structures or buildings. In mines, bolts are the most basic components of roadway support. They reinforce the surrounding rock of the roadway together, enabling the surrounding rock to support itself. In addition, bolts are also used in engineering technology to reinforce the main bodies of slopes, tunnels, dams, etc.

[0003] For example, the patent number disclosed on the Chinese Patent Network is: 201320542159.7, and the patent name is: Recoverable Bolt, which includes a non-recoverable rod body and a recoverable rod body. The non-recoverable rod body includes a hollow tube and a drill bit connected to the hollow tube. An internal thread is provided in the drill bit. The front end of the recoverable rod body is provided with an external thread adapted to the internal thread on the drill bit. The front end of the recoverable rod body extends into the hollow tube and is screwed to the drill bit. The recoverable bolt provided by the utility model includes a non-recoverable rod body and a recoverable rod body connected by a threaded structure. By rotating forward and backward, the installation of the bolt and the recovery of the recoverable rod body of the bolt are realized, effectively solving the problem that bolts cannot be recovered and reused.

[0004] However, the existing method of recovering bolts is relatively cumbersome and requires connection by means of mating threads. The connector inserted into the ground is prone to displacement due to vibration, resulting in the need to repeatedly align and insert the bolts located underground, which is time-consuming and laborious.

[0005] Therefore, it is necessary to design and transform the connector for underground recoverable bolts. Summary of the Utility Model

[0006] To solve the problems raised in the above background technique, the purpose of the present utility model is to provide a connector for an underground recoverable bolt, which has the advantages of being convenient for connection and recovery, and solves the problems that the existing method of recovering bolts is relatively cumbersome, requires connection by means of mating threads, the connector inserted into the ground is prone to displacement due to vibration, resulting in the need to repeatedly align and insert the bolts located underground, which is time-consuming and laborious.

[0007] To achieve the above purpose, the present utility model provides the following technical solution: A connector for an underground recoverable bolt, including a connecting pipe;

[0008] An anchor pipe arranged at the bottom of the connecting pipe;

[0009] A connection structure is provided at the bottom of the connecting pipe;

[0010] The connection structure includes a connection block fixedly connected inside the connecting pipe. A pressing plate is movably connected to the inner side of the connection block through a pin shaft. One side of the pressing plate away from the connection block penetrates the connecting pipe and extends into the interior of the anchor pipe. The outer surface of the pressing plate contacts the inner wall of the anchor pipe. A stress plate is fixedly connected to the side of the pressing plate close to the connection block. A transmission structure is arranged inside the connecting pipe, and the transmission structure can squeeze the stress plate to swing.

[0011] As a preferred embodiment of the present invention, the transmission structure includes an electric telescopic rod fixedly connected to the top of the connecting pipe. The output end of the electric telescopic rod penetrates the connecting pipe and extends into the interior of the connecting pipe. The output end of the electric telescopic rod is fixedly connected with a squeezing block. One side of the squeezing block away from the electric telescopic rod extends to the inner side of the stress plate, and the stress plate and the squeezing block are slidably connected.

[0012] As a preferred embodiment of the present invention, a reinforcing rib is fixedly connected to the outer side of the stress plate, and one side of the reinforcing rib away from the stress plate is fixedly connected to the inner side of the pressing plate.

[0013] As a preferred embodiment of the present invention, a rubber pad is fixedly connected to the outer side of the pressing plate. One side of the rubber pad away from the pressing plate contacts the inner surface of the anchor pipe, and the rubber pad has elasticity.

[0014] As a preferred embodiment of the present invention, a spring plate is fixedly connected to the outer side of the pressing plate. One side of the spring plate away from the pressing plate contacts the bottom of the connecting pipe, and the spring plate is located outside the connection block.

[0015] As a preferred embodiment of the present invention, traction ropes are fixedly connected to both the left and right sides of the top of the connecting pipe, and the traction ropes are located on both sides of the electric telescopic rod.

[0016] As a preferred embodiment of the present invention, support wheels are fixedly connected to both the left and right sides of the electric telescopic rod. The traction ropes are hung on the surfaces of the support wheels and are slidably connected to the support wheels.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] 1. In the present invention, the transmission structure squeezes the stress plate. The stress plate is squeezed and drives the pressing plate to swing around the pin shaft inside the connection block. When the outer side of the pressing plate contacts the inner wall of the anchor pipe, the effect of squeezing and positioning the connection between the anchor pipe and the connecting pipe is achieved. The user can pull the traction rope and use the connecting pipe to carry the anchor pipe up for recovery. The present invention can improve the recovery method of the existing anchor rod, replace the connection method through mating threads, and avoid the displacement of the connector inserted into the ground due to vibration, saving time and effort.

[0019] 2. By providing an electric telescopic rod and a pressing block, the utility model can squeeze a plurality of pressing plates to swing synchronously, thereby improving the pressing strength and stability of the pressing plates.

[0020] 3. By providing reinforcing ribs, the utility model can improve the connection stability between the stress plate and the pressing plate, preventing loosening at the connection between the two.

[0021] 4. By providing rubber pads, the utility model can improve the fixing effect of the pressing plates and increase the friction between the pressing plates and the anchor pipes.

[0022] 5. By providing elastic plates, the utility model can support the pressing plates, enabling the pressing plates to have an elastic reset effect.

[0023] 6. By providing a towing rope, the utility model can facilitate the user to hoist the connecting pipe. Two towing ropes can improve the lifting stability of the connecting pipe and reduce the influence of jitter.

[0024] 7. By providing support wheels, the utility model can support the towing rope, further improving the stability of the towing rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of the utility model;

[0026] Figure 2 is a schematic sectional structural diagram of the utility model;

[0027] Figure 3 is a schematic partial structural diagram of the utility model;

[0028] Figure 4 is a schematic bottom view of a partial structure of the utility model.

[0029] In the figure: 1, connecting pipe; 2, anchor pipe; 3, connecting structure; 4, connecting block; 5, pressing plate; 6, stress plate; 7, transmission structure; 8, electric telescopic rod; 9, pressing block; 10, reinforcing rib; 11, rubber pad; 12, elastic plate; 13, towing rope; 14, support wheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] As Figures 1 to 4As shown in the figure, a connector for an underground recyclable anchor rod provided by the present utility model includes a connecting pipe 1;

[0032] An anchor pipe 2 provided at the bottom of the connecting pipe 1;

[0033] A connecting structure 3 is provided at the bottom of the connecting pipe 1;

[0034] The connecting structure 3 includes a connecting block 4 fixedly connected inside the connecting pipe 1. A pressing plate 5 is movably connected to the inner side of the connecting block 4 through a pin shaft. One side of the pressing plate 5 away from the connecting block 4 penetrates through the connecting pipe 1 and extends into the interior of the anchor pipe 2. The outer surface of the pressing plate 5 contacts the inner wall of the anchor pipe 2. A stress plate 6 is fixedly connected to one side of the pressing plate 5 close to the connecting block 4. A transmission structure 7 is provided inside the connecting pipe 1, and the transmission structure 7 can squeeze the stress plate 6 to swing.

[0035] Reference Figure 3 , the transmission structure 7 includes an electric telescopic rod 8 fixedly connected to the top of the connecting pipe 1. The output end of the electric telescopic rod 8 penetrates through the connecting pipe 1 and extends into the interior of the connecting pipe 1. The output end of the electric telescopic rod 8 is fixedly connected with a pressing block 9. One side of the pressing block 9 away from the electric telescopic rod 8 extends to the inner side of the stress plate 6, and the stress plate 6 and the pressing block 9 are slidably connected.

[0036] As a technical optimization scheme of the present utility model, by providing the electric telescopic rod 8 and the pressing block 9, it is possible to squeeze a plurality of pressing plates 5 to swing synchronously, which can improve the extrusion strength and stability of the pressing plates 5.

[0037] Reference Figure 3 , a reinforcing rib 10 is fixedly connected to the outer side of the stress plate 6, and one side of the reinforcing rib 10 away from the stress plate 6 is fixedly connected to the inner side of the pressing plate 5.

[0038] As a technical optimization scheme of the present utility model, by providing the reinforcing rib 10, the connection stability between the stress plate 6 and the pressing plate 5 can be improved, and the loosening phenomenon at the connection between the two can be prevented.

[0039] Reference Figure 3 , a rubber pad 11 is fixedly connected to the outer side of the pressing plate 5. One side of the rubber pad 11 away from the pressing plate 5 contacts the inner surface of the anchor pipe 2, and the rubber pad 11 has elasticity.

[0040] As a technical optimization scheme of the present utility model, by providing the rubber pad 11, the fixing effect of the pressing plate 5 can be improved, and the friction between the pressing plate 5 and the anchor pipe 2 can be increased.

[0041] Reference Figure 3 , a spring plate 12 is fixedly connected to the outer side of the pressing plate 5. One side of the spring plate 12 away from the pressing plate 5 contacts the bottom of the connecting pipe 1, and the spring plate 12 is located outside the connecting block 4.

[0042] As a technical optimization solution of the present utility model, by providing the elastic plate 12, the pressing plate 5 can be supported, enabling the pressing plate 5 to have an elastic reset effect.

[0043] Reference Figure 2 , on both the left and right sides of the top of the connecting pipe 1, traction ropes 13 are fixedly connected. The traction ropes 13 are located on both sides of the electric telescopic rod 8.

[0044] As a technical optimization solution of the present utility model, by providing the traction ropes 13, it is convenient for users to hoist the connecting pipe 1. The two traction ropes 13 can improve the lifting stability of the connecting pipe 1 and reduce the influence of jitter.

[0045] Reference Figure 1 , on both the left and right sides of the electric telescopic rod 8, support wheels 14 are fixedly connected. The traction ropes 13 are hung on the surface of the support wheels 14 and are slidably connected to the support wheels 14.

[0046] As a technical optimization solution of the present utility model, by providing the support wheels 14, the traction ropes 13 can be supported, which can further improve the stability of the traction ropes 13.

[0047] The working principle and usage process of the present utility model: When in use, the user hoists the connecting pipe 1 into the ground through the traction ropes 13. During the downward movement of the connecting pipe 1, the bottom pressing plate 5 on its bottom inclines inward and contacts each other to form a conical surface, making it easier to be inserted into the internal part of the anchor pipe 2. When the connecting pipe 1 moves into the internal part of the anchor pipe 2, the electric telescopic rod 8 is turned on. The output end of the electric telescopic rod 8 drives the extrusion block 9 to move downward. When the extrusion block 9 moves to the inner side of the force-bearing plate 6, the force-bearing plate 6 is extruded and drives the pressing plate 5 to swing around the pin shaft inside the connecting block 4 as the axis. When the outer side of the pressing plate 5 contacts the inner wall of the anchor pipe 2, the effect of squeezing and positioning connection between the anchor pipe 2 and the connecting pipe 1 is achieved. The user can pull the traction ropes 13 and use the connecting pipe 1 to carry the anchor pipe 2 to rise and recycle.

[0048] In summary: For the connector of the underground recoverable anchor, through the transmission structure 7 squeezing the force-bearing plate 6, the force-bearing plate 6 is extruded and drives the pressing plate 5 to swing around the pin shaft inside the connecting block 4 as the axis. When the outer side of the pressing plate 5 contacts the inner wall of the anchor pipe 2, the effect of squeezing and positioning connection between the anchor pipe 2 and the connecting pipe 1 is achieved. The user can pull the traction ropes 13 and use the connecting pipe 1 to carry the anchor pipe 2 to rise and recycle. The present utility model can improve the recovery method of the existing anchor, replace the connection method through mating threads, avoid the displacement of the connector inserted into the ground due to jitter, and save time and effort.

[0049] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0050] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A connector for an underground recyclable anchor rod, comprising a connecting pipe (1); An anchor pipe (2) provided at the bottom of the connecting pipe (1); It is characterized in that: A connecting structure (3) is provided at the bottom of the connecting pipe (1); The connecting structure (3) includes a connecting block (4) fixedly connected inside the connecting pipe (1). A pressing plate (5) is movably connected to the inner side of the connecting block (4) through a pin shaft. One side of the pressing plate (5) away from the connecting block (4) penetrates through the connecting pipe (1) and extends into the interior of the anchor pipe (2). The outer surface of the pressing plate (5) contacts the inner wall of the anchor pipe (2). A stress plate (6) is fixedly connected to one side of the pressing plate (5) close to the connecting block (4). A transmission structure (7) is provided inside the connecting pipe (1), and the transmission structure (7) can squeeze the stress plate (6) to swing.

2. The connector of an underground recyclable anchor rod according to claim 1, characterized in that: The transmission structure (7) includes an electric telescopic rod (8) fixedly connected to the top of the connecting pipe (1). The output end of the electric telescopic rod (8) penetrates through the connecting pipe (1) and extends into the interior of the connecting pipe (1). The output end of the electric telescopic rod (8) is fixedly connected with a pressing block (9). One side of the pressing block (9) away from the electric telescopic rod (8) extends into the inner side of the stress plate (6), and the stress plate (6) and the pressing block (9) are slidably connected.

3. The connector of an underground recyclable anchor rod according to claim 1, characterized in that: A reinforcing rib (10) is fixedly connected to the outer side of the stress plate (6), and one side of the reinforcing rib (10) away from the stress plate (6) is fixedly connected to the inner side of the pressing plate (5).

4. The connector of an underground recyclable anchor rod according to claim 1, characterized in that: A rubber pad (11) is fixedly connected to the outer side of the pressing plate (5). One side of the rubber pad (11) away from the pressing plate (5) contacts the inner surface of the anchor pipe (2), and the rubber pad (11) has elasticity.

5. The connector of an underground recyclable anchor rod according to claim 1, characterized in that: A spring plate (12) is fixedly connected to the outer side of the pressing plate (5). One side of the spring plate (12) away from the pressing plate (5) contacts the bottom of the connecting pipe (1), and the spring plate (12) is located outside the connecting block (4).

6. The connector of an underground recyclable anchor rod according to claim 2, characterized in that: A towing rope (13) is fixedly connected to both the left and right sides of the top of the connecting pipe (1), and the towing ropes (13) are located on both sides of the electric telescopic rod (8).

7. The connector of an underground recyclable anchor rod according to claim 6, characterized in that: Support wheels (14) are fixedly connected to both the left and right sides of the electric telescopic rod (8), and the towing rope (13) is hung on the surface of the support wheel (14) and is slidably connected to the support wheel (14).

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