Novel shield segment quick connecting device

The new shield tunnel segment quick connection device utilizes an arc plate and spring structure to achieve rapid connection of shield tunnel segments, solving the problem of low efficiency of traditional bolt connections and improving construction efficiency and tunnel structure stability.

CN223661840UActive Publication Date: 2025-12-12ZHEJIANG SHENCHENG GREEN NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202520543031.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2025-12-12
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

The traditional bolted connection method for tunnel segments is inefficient, time-consuming, and seriously delays the project schedule.

Method used

A novel rapid connection device for tunnel boring machine (TBM) segments is designed. Through a combination of an arc plate, mounting block, bolts, a moving plate, and a return spring, the device enables rapid positioning, disassembly, and installation of TBM segments, simplifying the operation process and reducing construction difficulty.

Benefits of technology

It improved construction efficiency, shortened the construction period, reduced labor costs, ensured the stability and safety of the tunnel structure, and adapted to the needs of tunnel renovation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel shield segment quick connecting device, which belongs to the technical field of tunnel engineering construction and comprises a shield segment body, an arc-shaped plate is fixedly mounted on one side of the shield segment body, a mounting block is fixedly mounted on the right side of the shield segment body, and a bolt is in threaded connection with the inner side of the shield segment body. A moving plate is slidably mounted in the shield segment body, a clamping block is fixedly mounted on one side of the moving plate, the clamping block is movably inserted into the arc-shaped plate, a limiting rod is slidably mounted in the moving plate, a first reset spring sleeves the outer side of the limiting rod, and a moving block is slidably mounted in the moving plate; due to the design of double locking, the problems of looseness, dislocation and the like between shield segment bodies are avoided, the long-term stability and safety of a tunnel structure are guaranteed, improvement of construction efficiency means that the overall project construction period is shortened, the labor cost is correspondingly reduced, the requirement for tunnel transformation can be well met, and the difficulty and cost of transformation engineering are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel engineering construction technical field especially relates to a novel shield segment quick connecting device. BACKGROUND

[0002] In the tunnel construction field, shield method becomes the commonly used method of city subway, highway tunnel and other engineering construction owing to its advantages of high efficiency, safety and small influence on surrounding environment. Among them, shield segment as the key component of tunnel lining, its connection quality and efficiency directly concern the success or failure of tunnel engineering.

[0003] Traditional shield segment mainly adopts bolt connection mode, from the construction efficiency, bolt connection needs to be tightened one by one and needs to check torque for many times, the process is complicated, and it often takes several hours to complete a connection, which greatly limits the construction progress. In a city subway shield tunnel construction, if bolt connection is adopted, only several ring segments can be installed every day, which seriously delays the overall project period. Therefore, we propose a novel shield segment quick connecting device to solve this problem. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a novel shield segment quick connecting device to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A novel shield segment quick connecting device, comprising: a shield segment body, an arc-shaped plate is fixedly installed on one side of the shield segment body, an installation block is fixedly installed on the right side of the shield segment body, a bolt is screwedly connected to the inner side of the shield segment body, a moving plate is slidably installed in the shield segment body, a clamping block is fixedly installed on one side of the moving plate, the clamping block is movably inserted into the arc-shaped plate, a limiting rod is slidably installed in the moving plate, a reset spring one is sleeved and installed on the outer side of the limiting rod, a moving block is slidably installed in the moving plate, an insertion block is fixedly installed on one side of the moving block, a reset spring two is fixedly installed on the other side of the moving block, a connecting rod is fixedly installed on one side of the moving block, and a pull ring is fixedly installed on one end of the connecting rod.

[0007] Preferably, the bolt is screwedly connected in the bolt, the arc-shaped plate is movably inserted into the corresponding one side of the shield segment body, the insertion block is movably inserted into the shield segment body, the insertion block is slidably installed on one side of the moving plate, and the connecting rod is slidably installed on one side of the moving plate.

[0008] Preferably, the inner wall of the shield segment body is provided with a moving groove, one end of the limiting rod is fixedly installed on one side of the moving groove, and the two ends of the reset spring one are fixedly installed on one side of the moving plate and one side of the limiting rod.

[0009] Preferably, the inner wall of the arc-shaped plate is provided with a clamping groove, and the clamping block is movably inserted into the clamping groove.

[0010] Preferably, the inside of the moving plate is provided with a sliding groove, the moving block is slidingly installed in the sliding groove, and one end of the reset spring two is fixedly installed on one side of the sliding groove.

[0011] Preferably, one side of the shield segment body is provided with an arc-shaped groove, the arc-shaped plate is movably inserted into the arc-shaped groove, the left side of the shield segment body is provided with a mounting groove, and the mounting block is movably inserted into the mounting groove.

[0012] In the novel shield segment quick connecting device, the mounting block is aligned with the mounting groove, the mounting block is embedded into the mounting groove, the bolt is screwed into the reserved screw hole on one shield segment body, and is screwed into the screw hole of the corresponding mounting block, so that the preliminary positioning work is completed, the positions of the two segment bodies are relatively accurate, a foundation is laid for subsequent connection operation, complex professional skills or high-precision equipment is not needed for assistance, construction difficulty and operation complexity are reduced, construction personnel can quickly start, and construction efficiency is improved.

[0013] The novel shield segment quick connecting device has the advantages that the structure design is reasonable, the connecting rod and the moving block are driven to slide in the sliding groove in the inside of the moving plate through the pull ring, the reset spring two is compressed, the plug block is synchronously moved, the displacement limitation of the moving plate is released, the pull ring drives the connecting rod, the moving block and the moving plate to move under the limitation of the moving groove and the limiting rod, the reset spring one is contracted, the clamping block is separated from the arc-shaped plate, the arc-shaped plate is unlocked, two groups of shield segment bodies can be quickly disassembled, the arc-shaped plate on one side of one shield segment body is aligned with the arc-shaped groove provided on the side surface of the other shield segment body and is inserted, the arc-shaped plate is inserted into the arc-shaped groove, the elastic forces of the reset spring one and the reset spring two are used, so that the two groups of shield segment bodies can be quickly installed under double locking without external force, the problems of loosening and misplacement between the segment bodies are avoided, the long-term stability and safety of the tunnel structure are ensured, the improvement of construction efficiency means that the overall project period is shortened, the labor cost is also reduced, the demand of tunnel reconstruction can be well met, and the difficulty and cost of reconstruction engineering are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic view of the novel shield segment quick connecting device is provided in the utility model.

[0015] Figure 2The utility model provides a sectional structure schematic diagram of a novel shield segment quick connecting device.

[0016] Figure 3 For Figure 2 The partial enlarged view of part A;

[0017] Figure 4 For Figure 2 The partial enlarged view of part B;

[0018] Figure 5 The utility model provides a sectional structure schematic diagram of a novel shield segment quick connecting device of a shield segment body, mounting block and mounting groove.

[0019] Figure 6 The utility model provides a sectional structure schematic diagram of a novel shield segment quick connecting device of a shield segment body, arc groove and arc plate.

[0020] In the figure: 1, shield segment body; 2, arc plate; 3, mounting block; 4, arc groove; 5, mounting groove; 6, moving groove; 7, moving plate; 8, clamping block; 9, limiting rod; 10, reset spring one; 11, moving block; 12, plug-in block; 13, reset spring two; 14, connecting rod; 15, pull ring; 16, bolt; 17, sliding slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Referring to Figures 1-6 A novel shield segment quick connecting device, including: shield segment body 1, the one side fixed mounting of shield segment body 1 has arc plate 2, the right side fixed mounting of shield segment body 1 has mounting block 3, the inside screw connection of shield segment body 1 has bolt 16, the inside sliding installation of shield segment body 1 has moving plate 7, the one side fixed mounting of moving plate 7 has clamping block 8, and clamping block 8 is movably inserted in arc plate 2, the inside sliding installation of moving plate 7 has limiting rod 9, and the outside sleeve installation of limiting rod 9 has reset spring one 10, the inside sliding installation of moving plate 7 has moving block 11, the one side fixed mounting of moving block 11 has plug-in block 12, the other side fixed mounting of moving block 11 has reset spring two 13, and the one side fixed mounting of moving block 11 has connecting rod 14, and the one end fixed mounting of connecting rod 14 has pull ring 15.

[0023] In this embodiment, the bolt 16 is screwed in the bolt 16, the arc-shaped plate 2 is movably inserted on one side of the corresponding shield segment body 1, the plug block 12 is movably inserted in the shield segment body 1, the plug block 12 is slidingly installed on one side of the moving plate 7, and the connecting rod 14 is slidingly installed on one side of the moving plate 7, so as to ensure the stability of the whole tunnel lining structure and improve the ability of the tunnel to resist various complex external forces.

[0024] In this embodiment, the inner wall of the shield segment body 1 is provided with a moving groove 6, one end of the limiting rod 9 is fixedly installed on one side of the moving groove 6, and the two ends of the reset spring 10 are fixedly installed on one side of the moving plate 7 and one side of the limiting rod 9, respectively, so as to avoid the offset and shaking of the moving plate 7 during sliding, and ensure that the clamping block 8 can be accurately and accurately embedded in the clamping groove.

[0025] In this embodiment, the inner wall of the arc-shaped plate 2 is provided with a clamping groove, and the clamping block 8 is movably inserted in the clamping groove, so as to ensure the stability of the tunnel lining structure in the horizontal direction and ensure the safety of the overall structure of the tunnel.

[0026] In this embodiment, the moving plate 7 is provided with a sliding groove 17 in the inside, the moving block 11 is slidingly installed in the sliding groove 17, and one end of the reset spring 13 is fixedly installed on one side of the sliding groove 17, so as to greatly improve the accuracy and convenience of the connection operation.

[0027] In this embodiment, one side of the shield segment body 1 is provided with an arc-shaped groove 4, and the arc-shaped plate 2 is movably inserted in the arc-shaped groove 4. The left side of the shield segment body 1 is provided with a mounting groove 5, and the mounting block 3 is movably inserted in the mounting groove 5. The construction efficiency is significantly improved, and the tunnel construction progress is accelerated.

[0028] In this embodiment, in use, the mounting block 3 is aligned with the mounting groove 5, the mounting block 3 is embedded in the mounting groove 5, the bolt 16 is screwed into the reserved screw hole on one shield segment body 1, and is screwed into the screw hole of the corresponding mounting block 3, the preliminary positioning work is completed, the positions of the two segments are relatively accurate, and a foundation is laid for subsequent connection operation;

[0029] Pulling the pull ring 15 drives the connecting rod 14 and the moving block 11 to slide in the sliding groove 17 in the moving plate 7, the reset spring two 13 is compressed, the plug block 12 is synchronously moved, thereby removing the displacement restriction on the moving plate 7, further pulling the pull ring 15 drives the connecting rod 14, the moving block 11 and the moving plate 7 to move under the restriction of the moving groove 6 and the limiting rod 9, the reset spring one 10 is contracted, thereby the clamping block 8 is separated from the arc-shaped plate 2, the locking of the arc-shaped plate 2 is removed, thereby the two groups of shield segment bodies 1 can be quickly disassembled, when installing, only need to align the arc-shaped plate 2 on one side of one shield segment body 1 with the arc-shaped groove 4 on the side of another shield segment body 1, make the arc-shaped plate 2 inserted into the arc-shaped groove 4, then loosen the pull ring 15, under the elastic force of the reset spring one 10 and the reset spring two 13, thereby the two groups of shield segment bodies 1 can be quickly installed under the double locking without external force.

[0030] The novel shield segment quick connecting device is introduced in detail. The principle and implementation mode of the utility model are described by applying specific examples. The above examples are only applicable to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, the utility model can be improved and modified without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A novel shield segment quick connection device, characterized in that, Include: Shield segment body (1), one side of the shield segment body (1) is fixedly installed with an arc plate (2), the right side of the shield segment body (1) is fixedly installed with a mounting block (3), the inner side of the shield segment body (1) is threadedly connected with a bolt (16), the inside of the shield segment body (1) is slidably installed with a moving plate (7), one side of the moving plate (7) is fixedly installed with a clamping block (8), the clamping block (8) is movably inserted into the arc plate (2), the inside of the moving plate (7) is slidably installed with a limiting rod (9), the outer side of the limiting rod (9) is sleeved and installed with a reset spring (10), the inside of the moving plate (7) is slidably installed with a moving block (11), one side of the moving block (11) is fixedly installed with an insertion block (12), the other side of the moving block (11) is fixedly installed with a reset spring (13), one side of the moving block (11) is fixedly installed with a connecting rod (14), one end of the connecting rod (14) is fixedly installed with a pull ring (15).

2. A new type of shield segment quick connecting device according to claim 1, characterized in that, The bolt (16) is threadedly connected in the bolt (16), the arc plate (2) is movably inserted into the corresponding side of the shield segment body (1), the insertion block (12) is movably inserted into the inside of the shield segment body (1), the insertion block (12) is slidably installed on one side of the moving plate (7), and the connecting rod (14) is slidably installed on one side of the moving plate (7).

3. A new type of quick connection device for shield segment according to claim 1, characterized in that, The inner wall of the shield segment body (1) is provided with a moving groove (6), one end of the limiting rod (9) is fixedly installed on one side of the moving groove (6), and the two ends of the reset spring (10) are fixedly installed on one side of the moving plate (7) and one side of the limiting rod (9).

4. The novel quick connection device for shield segment according to claim 1, characterized in that, The inner wall of the arc plate (2) is provided with a clamping groove, and the clamping block (8) is movably inserted into the clamping groove.

5. A new type of quick connection device for shield segment according to claim 1, characterized in that, The inside of the moving plate (7) is provided with a sliding groove (17), the moving block (11) is slidably installed in the sliding groove (17), and one end of the reset spring (13) is fixedly installed on one side of the sliding groove (17).

6. A new type of quick connection device for shield segment according to claim 1, characterized in that, One side of the shield segment body (1) is provided with an arc-shaped groove (4), the arc plate (2) is movably inserted into the arc-shaped groove (4), the left side of the shield segment body (1) is provided with a mounting groove (5), and the mounting block (3) is movably inserted into the mounting groove (5).