High-reliability shield segment and shield segment assembly structure

Abstract

The utility model relates to the technical field of shield segments, in particular to a high-reliability shield segment and a shield segment assembly structure. The duct piece comprises a duct piece body, a mounting groove is formed in the surface of the duct piece body, a sliding groove is formed in the inner surface of the mounting groove, a sliding rod is connected to the inner surface of the sliding groove in a sliding mode, a guide plate is fixedly connected to the arc face of the sliding rod, and a spring is fixedly connected to one side of the guide plate. And the other end of the spring is fixedly connected with the inner surface of the mounting groove, a sliding hole is formed in the surface of the duct piece body, a T-shaped plate is fixedly connected to the surface of the guide plate, and the T-shaped plate is slidably connected with the inner surface of the sliding hole. The problem that when a worker splices segment bodies, due to the fact that the sizes of the segment bodies are large and the installation grooves are small, the segment bodies need to be moved multiple times in the splicing process, and the segment bodies are prone to friction in the splicing process to cause surface damage is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of shield segments, in particular to a highly reliable shield segment and a shield segment assembly structure. Background Technique

[0002] Tunnel construction is an indispensable part of modern urban infrastructure. Among many tunnel construction technologies, the shield method is favored for its high efficiency and safety. Among them, the splicing technology of shield segments is one of the key links to ensure the structural stability of the tunnel. These segments are usually annular and have sufficient strength and durability to withstand multiple requirements such as underground pressure, waterproofing, and anti-seepage.

[0003] A Chinese patent of Chinese Patent Application CN202221232433.6 discloses a shield segment. The key points of its technical solution are: the shield segment provided by the utility model can improve the anchoring strength between the grouting spiral pipe and the concrete by sleeving a spiral rib outside the grouting spiral pipe, thereby preventing the grouting spiral pipe from being pulled out.

[0004] Regarding the above and existing related technologies, the inventor believes that there are often the following defects: when splicing between segment bodies, due to the large size of the segment bodies and the small installation grooves, it is necessary to move the segment bodies multiple times during the splicing process, resulting in easy friction and surface damage during the splicing of the segment bodies. Therefore, a highly reliable shield segment and a shield segment assembly structure are proposed for the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the defect that in the prior art, the size of the segment body is large and the installation groove is small, so that it is necessary to move the segment body multiple times during the splicing process, resulting in easy friction and surface damage during the splicing of the segment body, and a highly reliable shield segment and a shield segment assembly structure are proposed.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a highly reliable shield segment, including a segment body, an installation groove is opened on the surface of the segment body, a sliding groove is opened on the inner surface of the installation groove, a sliding rod is slidably connected to the inner surface of the sliding groove, and a guiding plate is fixedly connected to the arc surface of the sliding rod.

[0007] The effect achieved by the above components is: the effect that it is convenient for workers to splice between segment bodies is achieved, and it is avoided that when splicing between segment bodies, due to the large size of the segment bodies and the small installation grooves, it is necessary to move the segment bodies multiple times during the splicing process, resulting in easy friction and surface damage during the splicing of the segment bodies, and the practicability of the device is improved.

[0008] Preferably, one side of the guiding plate is fixedly connected with a spring, and the other end of the spring is fixedly connected with the inner surface of the installation groove.

[0009] The effects achieved by the above components are as follows: The elastic force of the spring drives the guiding plate to move, and the guiding plate drives the sliding rod to slide on the inner surface of the sliding groove. The spring keeps the guiding plate in the guiding position through its own elastic force, preventing the guiding plate from sliding during the process of moving the segment body.

[0010] Preferably, a sliding hole is formed on the surface of the segment body, a T-shaped plate is fixedly connected to the surface of the guiding plate, and the T-shaped plate is slidably connected with the inner surface of the sliding hole.

[0011] The effects achieved by the above components are as follows: The guiding plate drives the T-shaped plate to slide on the inner surface of the sliding hole. By setting the T-shaped plate to block the installation groove, it can prevent dust in the tunnel from accumulating in the installation groove and affecting the sliding of the guiding plate.

[0012] Preferably, an L-shaped plate is fixedly connected to the surface of the segment body, a screw rod is inserted into the L-shaped plate in a threaded manner, a cushion pad is slidably connected to the surface of the segment body, and one end of the screw rod abuts against the cushion pad.

[0013] The effects achieved by the above components are as follows: Push the cushion pad to slide on the surface of the segment body, rotate the screw rod to rotate in the L-shaped plate until one end of the screw rod abuts against the cushion pad. By setting the cushion pad to block the gap between the spliced segment bodies, it can effectively prevent the penetration of water, soil, etc., improve the sealing performance of the connection between the segment bodies, and at the same time reduce the structural damage caused by soil pressure or water pressure.

[0014] Preferably, one end of the screw rod is rotatably connected with a limiting block, and the size of the sliding rod is adapted to the size of the sliding groove.

[0015] The effects achieved by the above components are as follows: Rotate the screw rod to rotate in the L-shaped plate, and the screw rod drives the limiting block to move. By setting the limiting block, the contact area between the cushion pad and the screw rod is increased, and the stability of the device is improved.

[0016] Preferably, a handle is fixedly connected to the end of the screw rod away from the limiting block, and there are a number of convex points on the arc surface of the handle.

[0017] The effects achieved by the above components are as follows: Rotate the handle to drive the screw rod to rotate in the L-shaped plate, and the screw rod drives the limiting block to move, so as to facilitate the staff to stably rotate the screw rod to precisely control the fastening degree of the limiting block to the cushion pad.

[0018] Preferably, a limiting rod is slidably inserted into the L-shaped plate, and one end of the limiting rod is fixedly connected with the limiting block.

[0019] The effects achieved by the above components are as follows: The limiting block drives the limiting rod to slide within the L-shaped plate, making the movement path of the limiting block more stable.

[0020] A shield segment assembly structure includes the highly reliable shield segment described in any one of the above.

[0021] In summary, the beneficial effects of the present utility model are as follows:

[0022] In the present utility model, the effect that it is convenient for the staff to splice between the segment bodies is achieved. When the staff splice between the segment bodies, due to the relatively large size of the segment bodies and the relatively small installation grooves, it is necessary to move the segment bodies multiple times during the splicing process, which easily causes friction and surface damage during the splicing of the segment bodies. The practicability of the device is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0024] Figure 2 is a structural schematic diagram of the T-shaped plate in the present utility model;

[0025] Figure 3 In the present utility model Figure 2 is an enlarged view of part A;

[0026] Figure 4 In the present utility model Figure 2 is an enlarged view of part B.

[0027] Legend: 1, segment body; 2, installation groove; 3, sliding groove; 4, sliding rod; 5, guiding plate; 6, spring; 7, sliding hole; 8, T-shaped plate; 9, L-shaped plate; 10, cushion; 11, screw; 12, limiting block; 13, limiting rod; 14, handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Refer to Figures 1-4As shown in the figure, the utility model provides a technical solution: a highly reliable shield segment and a shield segment assembly structure, including a segment body 1. An installation groove 2 is provided on the surface of the segment body 1. A sliding groove 3 is provided on the inner surface of the installation groove 2. A sliding rod 4 is slidably connected to the inner surface of the sliding groove 3. A guiding plate 5 is fixedly connected to the arc surface of the sliding rod 4. It achieves the effect that it is convenient for workers to splice the segment bodies 1. When splicing the segment bodies 1, due to the large size of the segment body 1 and the small installation groove 2, it is necessary to move the segment body 1 multiple times during the splicing process, resulting in easy friction and surface damage during the splicing of the segment body 1, improving the practicability of the device. One side of the guiding plate 5 is fixedly connected to a spring 6, and the other end of the spring 6 is fixedly connected to the inner surface of the installation groove 2. The elastic force of the spring 6 drives the guiding plate 5 to move, and the guiding plate 5 drives the sliding rod 4 to slide on the inner surface of the sliding groove 3. The spring 6 keeps the guiding plate 5 in the guiding position through its own elastic force, preventing the guiding plate 5 from sliding during the process of moving the segment body 1. A sliding hole 7 is provided on the surface of the segment body 1. A T-shaped plate 8 is fixedly connected to the surface of the guiding plate 5, and the T-shaped plate 8 is slidably connected to the inner surface of the sliding hole 7. The guiding plate 5 drives the T-shaped plate 8 to slide on the inner surface of the sliding hole 7. By setting the T-shaped plate 8 to block the installation groove 2, it prevents dust in the tunnel from accumulating in the installation groove 2 and affecting the sliding of the guiding plate 5. An L-shaped plate 9 is fixedly connected to the surface of the segment body 1. A screw rod 11 is inserted into the L-shaped plate 9 with internal threads. A gasket 10 is slidably connected to the surface of the segment body 1. One end of the screw rod 11 abuts against the gasket 10. Push the gasket 10 to slide on the surface of the segment body 1, and rotate the screw rod 11 to rotate within the L-shaped plate 9 until one end of the screw rod 11 abuts against the gasket 10. By setting the gasket 10 to block the gap between the spliced segment bodies 1, it can effectively prevent the penetration of water, soil, etc., improve the sealing performance of the connection between the segment bodies 1, and at the same time reduce the structural damage caused by soil pressure or water pressure. One end of the screw rod 11 is rotatably connected to a limit block 12, and the size of the sliding rod 4 is adapted to the size of the sliding groove 3. Rotate the screw rod 11 to rotate within the L-shaped plate 9, and the screw rod 11 drives the limit block 12 to move. By setting the limit block 12, the contact area between the gasket 10 and the screw rod 11 is increased, improving the stability of the device. One end of the screw rod 11 away from the limit block 12 is fixedly connected to a handle 14, and there are several convex points on the arc surface of the handle 14. Rotate the handle 14 to drive the screw rod 11 to rotate within the L-shaped plate 9, and the screw rod 11 drives the limit block 12 to move, so that it is convenient for workers to stably rotate the screw rod 11 to precisely control the tightening degree of the limit block 12 on the gasket 10. A limit rod 13 is slidably inserted into the L-shaped plate 9, and one end of the limit rod 13 is fixedly connected to the limit block 12. The limit block 12 drives the limit rod 13 to slide within the L-shaped plate 9, making the movement path of the limit block 12 more stable.

[0029] A shield segment assembly structure includes the highly reliable shield segment described in any one of the above.

[0030] Working principle: When the staff needs to splice the segment body 1, by moving the segment body 1, the segment body 1 drives the guide plate 5 to move. When the guide plate 5 contacts the vertex of another segment body 1, continuously push the segment body 1. At this time, while the guide plate 5 drives the slide bar 4 to move on the inner surface of the chute 3, it drives the T-shaped plate 8 to slide on the inner surface of the slide hole 7. At this time, the spring 6 is in a compressed state. Until the splicing of the segment bodies 1 is completed, the T-shaped plate 8 blocks the installation groove 2. When it is necessary to block the gap between the spliced segment bodies 1, push the cushion 10 to slide on the surface of the segment body 1, rotate the handle 14 to drive the screw rod 11 to rotate in the L-shaped plate 9, the screw rod 11 drives the limit block 12 to move, and the limit block 12 drives the limit rod 13 to slide in the L-shaped plate 9 until the limit block 12 abuts against the cushion 10. It achieves the effect that it is convenient for the staff to splice the segment bodies 1, and avoids the situation that when the staff splices the segment bodies 1, due to the large size of the segment body 1 and the small installation groove 2, it is necessary to move the segment body 1 many times during the splicing process, resulting in easy friction and surface damage during the splicing of the segment body 1, and improves the practicability of the device.

[0031] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", 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 directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

Claims

1. A highly reliable shield segment, comprising a segment body (1), characterized in that: The surface of the segment body (1) is provided with an installation groove (2), the inner surface of the installation groove (2) is provided with a sliding groove (3), the inner surface of the sliding groove (3) is slidably connected with a sliding rod (4), and a guiding plate (5) is fixedly connected to the arc surface of the sliding rod (4).

2. The highly reliable shield segment according to claim 1, characterized in that: One side of the guiding plate (5) is fixedly connected with a spring (6), and the other end of the spring (6) is fixedly connected with the inner surface of the installation groove (2).

3. The highly reliable shield segment according to claim 2, wherein: The surface of the segment body (1) is provided with a sliding hole (7), a T-shaped plate (8) is fixedly connected to the surface of the guiding plate (5), and the T-shaped plate (8) is slidably connected with the inner surface of the sliding hole (7).

4. The highly reliable shield segment according to claim 1, wherein: An L-shaped plate (9) is fixedly connected to the surface of the segment body (1), a screw rod (11) is inserted into the L-shaped plate (9) in a threaded manner, a cushion block (10) is slidably connected to the surface of the segment body (1), and one end of the screw rod (11) abuts against the cushion block (10).

5. The highly reliable shield segment according to claim 4, wherein: A limiting block (12) is rotatably connected to one end of the screw rod (11), and the size of the sliding rod (4) is adapted to the size of the sliding groove (3).

6. The highly reliable shield segment according to claim 5, characterized in that: A handle (14) is fixedly connected to the end of the screw rod (11) away from the limiting block (12), and there are a plurality of convex points on the arc surface of the handle (14).

7. The highly reliable shield segment according to claim 4, characterized in that: A limiting rod (13) is slidably inserted into the L-shaped plate (9), and one end of the limiting rod (13) is fixedly connected with the limiting block (12).

8. A segment assembling structure for a shield tunneling machine, characterized in that, Comprising the highly reliable shield segment according to any one of the above claims 1-7.

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