Underground shield pipe gallery water seepage prevention device

Abstract

The utility model relates to the technical field of shield pipe galleries, and discloses an underground shield pipe gallery water seepage prevention device which comprises a plurality of sets of supporting connecting rings arranged on the side wall of a shield pipe gallery at equal intervals. An anti-seepage water pipe is arranged between the two groups of support connecting rings; annular inserting grooves matched with the anti-seepage water pipe are formed in the two sides of the supporting connecting ring, sealing rings are arranged in the annular inserting grooves, and the sealing rings are fixedly connected with the anti-seepage water pipe. According to the underground shield pipe gallery anti-seepage device, the supporting connecting rings and the anti-seepage water pipes are tightly spliced and fixed through the extrusion locking mechanisms, the multiple sets of supporting connecting rings and the multiple sets of anti-seepage water pipes are sequentially spliced to form a tubular body, and the supporting connecting rings and the anti-seepage water pipes are connected through the extrusion locking mechanisms. And underground water and rainwater can be effectively prevented from permeating into the shield pipe gallery, dryness of the pipe gallery structure and normal operation of internal equipment are guaranteed, and equipment damage and potential safety hazards caused by water seepage are avoided.

Description

Technical Field

[0001] This utility model relates to the field of shield tunnel technology, specifically to an underground shield tunnel seepage prevention device. Background Technology

[0002] With the acceleration of urbanization, the development and utilization of underground space resources has become increasingly important. Underground tunnel boring machines (TBMs), as a new type of urban infrastructure, can effectively solve problems such as complex layout and difficult maintenance of urban underground pipelines, and are widely used in the laying of pipelines for urban water supply, drainage, electricity, and communications.

[0003] During the construction and operation of underground shield tunnels, water seepage is a serious challenge. Due to the complexity of the underground environment, the tunnel may encounter groundwater, rainwater and other factors during the excavation process, which may lead to water seepage inside the tunnel. Therefore, we propose an anti-seepage device for underground shield tunnels to solve the above-mentioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an anti-seepage device for underground shield tunnels, which solves the serious challenge of seepage problems faced by underground shield tunnels during construction and operation. Due to the complexity of the underground environment, the tunnel may encounter groundwater, rainwater and other factors during the excavation process, leading to seepage inside the tunnel.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: an underground shield tunnel anti-seepage device, comprising multiple sets of equidistant supporting connecting rings arranged on the side wall of the shield tunnel;

[0006] A waterproof pipe is provided between the two sets of support connecting rings;

[0007] The supporting connecting ring has annular slots on both sides that are adapted to the waterproof pipe, and a sealing ring is provided in the annular slot. The sealing ring and the waterproof pipe are fixedly connected.

[0008] The support connecting ring is equipped with a compression locking mechanism, which is used to achieve a sealed and fixed connection between the support connecting ring and the seepage-proof pipe.

[0009] Preferably, the supporting connecting ring is fixed to the shield tunnel corridor by screws, and the outer periphery of the seepage-proof pipe forms a drainage cavity with the inner wall of the shield tunnel corridor.

[0010] Preferably, the compression locking mechanism includes multiple sets of placement slots arranged in a ring at equal intervals on the inner side wall of the support connecting ring, a screw disposed in the placement slots, and movable frames disposed at both ends of the screw.

[0011] The placement slot is equipped with symmetrically arranged support plates. An L-shaped plate slides on the upper surface of the movable frame. A spring is fixed between the L-shaped plate and the movable frame. Annular plates are fixed at both ends of the inner wall of the waterproof pipe. A hexagonal sleeve is fixed at the center of the surface of the screw.

[0012] Preferably, the support plate and the support connecting ring are fixedly connected, the screw is rotatably connected to the two sets of support plates through bearings, the threads at both ends of the outer side of the screw are arranged in opposite structures, and the two sets of the movable frame are respectively threadedly connected to the opposite threads of the screw through the threaded grooves.

[0013] Preferably, the surface of the support connecting ring is provided with a limiting groove adapted to the movable frame, the movable frame and the support connecting ring are slidably connected through the limiting groove, and the movable frame is provided with a sliding hole adapted to the L-shaped plate, the L-shaped plate and the movable frame are slidably connected through this sliding hole.

[0014] Preferably, the outer surface of the seepage-proof pipe is provided with an annular groove, and the two ends of the supporting connecting ring are fixed with inclined plates of an annular structure, one end of the inclined plate extending into the annular groove of the seepage-proof pipe.

[0015] Beneficial effects

[0016] This utility model provides a seepage prevention device for underground shield tunnels. Compared with the prior art, it has the following advantages:

[0017] The underground shield tunnel anti-seepage device uses a compression locking mechanism to tightly seal and fix the support connecting rings and anti-seepage pipes together. Multiple sets of support connecting rings and anti-seepage pipes are sequentially spliced ​​to form a tubular body, which can effectively prevent groundwater and rainwater from seeping into the shield tunnel, ensuring the dryness of the tunnel structure and the normal operation of the internal equipment, and avoiding equipment damage and safety hazards caused by water seepage. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a partial sectional view of the structure of the connecting components such as the supporting connecting ring and the inclined plate of this utility model;

[0020] Figure 3 This utility model Figure 2 A magnified structural diagram at point A;

[0021] Figure 4 This is a structural schematic diagram of the connecting components such as the supporting connecting ring and the seepage-proof pipe of this utility model;

[0022] Figure 5 This is a structural schematic diagram of the seepage-proof pipe and connecting parts such as the annular plate of this utility model.

[0023] In the diagram: 101, supporting connecting ring; 102, waterproof pipe; 103, sealing ring; 104, inclined plate; 105, annular groove; 2, compression locking mechanism; 201, screw; 202, support plate; 203, hexagonal sleeve; 204, movable frame; 205, limiting groove; 206, L-shaped plate; 207, spring; 208, annular piece. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figures 1-5 As shown:

[0026] A seepage prevention device for underground shield tunnels includes multiple sets of equidistant support connecting rings 101 installed on the side wall of the shield tunnel.

[0027] A waterproof pipe 102 is installed between the two sets of support connecting rings 101;

[0028] The support connecting ring 101 has annular slots on both sides that are adapted to the seepage-proof pipe 102, and a sealing ring 103 is provided in the annular slot. The sealing ring 103 and the seepage-proof pipe 102 are fixedly connected.

[0029] A compression locking mechanism 2 is installed on the support connecting ring 101. The compression locking mechanism 2 is used to achieve a sealed and fixed connection between the support connecting ring 101 and the seepage-proof pipe 102. The compression locking mechanism 2 includes multiple sets of placement grooves arranged in a ring at equal intervals on the inner side wall of the support connecting ring 101, a screw 201 set in the placement groove, and a movable frame 204 set at both ends of the screw 201.

[0030] The placement slot is provided with symmetrically arranged support plates 202, the upper surface of the movable frame 204 is slidably covered with an L-shaped plate 206, a spring 207 is fixed between the L-shaped plate 206 and the movable frame 204, annular plates 208 are fixed at both ends of the inner side wall of the waterproof pipe 102, and a hexagonal sleeve post 203 is fixed at the center of the surface of the screw 201.

[0031] The support plate 202 and the support connecting ring 101 are fixedly connected. The screw 201 is rotatably connected to the two sets of support plates 202 through the bearing. The threads at both ends of the outer side of the screw 201 are arranged in opposite structures. The two sets of movable frames 204 are threadedly connected to the opposite threads of the screw 201 through the threaded grooves.

[0032] The surface of the support connecting ring 101 is provided with a limiting groove 205 that is adapted to the movable frame 204. The movable frame 204 and the support connecting ring 101 are slidably connected through the limiting groove 205. The movable frame 204 is provided with a sliding hole that is adapted to the L-shaped plate 206. The L-shaped plate 206 and the movable frame 204 are slidably connected through this sliding hole.

[0033] The supporting connecting ring 101 is fixed to the shield tunnel corridor by screws, and the outer periphery of the seepage-proof pipe 102 forms a drainage cavity with the inner wall of the shield tunnel corridor.

[0034] In this implementation plan: When the underground shield tunnel is treated to prevent seepage, the underground shield tunnel anti-seepage device first sets multiple sets of support connecting rings 101 at a specified interval on the side wall of the shield tunnel, and then the anti-seepage pipes 102 are hoisted between the two sets of support connecting rings 101.

[0035] Next, the waterproof pipes 102 on both sides of the support connecting ring 101 are inserted into the annular slots opened in the support connecting ring 101.

[0036] Next, rotate the screw 201 on the support plate 202. The two ends of the screw 201 have opposite thread designs. The movable frame 204 is threadedly connected to the screw 201. As the screw 201 rotates, it drives the two sets of movable frames 204 to move away from each other. The movable frame 204 slides in the limiting groove 205 opened in the support connecting ring 101. The limiting groove 205 can limit the movable frame 204, making the movable frame 204 more stable during movement.

[0037] While the two sets of movable frames 204 move away from each other, they pull the L-shaped plate 206, causing the L-shaped plate 206 to stretch the spring 207. By stretching the L-shaped plate 206, the movable frame 204 can drive the L-shaped plate 206 to move, allowing the L-shaped plate 206 to pass over the annular piece 208 on the inner wall of the waterproof pipe 102. When the L-shaped plate 206 is located at the position of the two sets of annular pieces 208, by releasing the L-shaped plate 206, the spring 207 will elastically reset and drive the L-shaped plate 206 to reset, so that one end of the L-shaped plate 206 is in contact with the inner wall of the waterproof pipe 102.

[0038] Next, rotate the screw 201 again. A hexagonal sleeve 203 is fixed at the center of the surface of the screw 201. The hexagonal sleeve 203 makes it easy for the wrench to be locked on the hexagonal sleeve 203 and rotate the screw 201.

[0039] The rotation of the screw 201 drives the two sets of moving frames 204 to move closer to each other, thereby driving the L-shaped plate 206 to move synchronously, so that the L-shaped plate 206 laterally squeezes the annular plate 208, and the annular plate 208 drives the seepage-proof pipe 102 to squeeze the support connecting ring 101. A sealing ring 103 is provided between the support connecting ring 101 and the seepage-proof pipe 102. While the seepage-proof pipe 102 and the support connecting ring 101 are squeezed, the sealing ring 103 increases the sealing performance of the connection between the support connecting ring 101 and the seepage-proof pipe 102. After the support connecting ring 101 and the seepage-proof pipe 102 are squeezed and spliced ​​and fixed, the support connecting ring 101 is fixed to the side wall of the shield tunnel by screws.

[0040] This solution uses a compression locking mechanism 2 to tightly seal and fix the support connecting ring 101 and the seepage-proof pipe 102 together. Multiple sets of support connecting rings 101 and seepage-proof pipes 102 are sequentially spliced ​​to form a tubular body, which can effectively block the penetration of groundwater and rainwater into the shield tunnel, ensuring the dryness of the tunnel structure and the normal operation of the internal equipment, and avoiding equipment damage and safety hazards caused by water seepage.

[0041] Furthermore;

[0042] In an optional embodiment, an annular groove 105 is provided on the outer surface of the waterproof pipe 102, and inclined plates 104 with an annular structure are fixed at both ends of the supporting connecting ring 101. One end of the inclined plate 104 extends into the annular groove 105 provided in the waterproof pipe 102.

[0043] In this embodiment: when rainwater seeps through the soil layer and enters the drainage cavity formed by the impermeable pipe 102 and the side wall of the shield tunnel, since the support connecting ring 101 is provided with inclined plates 104 on both sides, the rainwater located at the support connecting ring 101 will flow along the inclined plates 104 into the annular groove 105 opened in the impermeable pipe 102. The annular groove 105 can limit and guide the rainwater, thereby preventing the rainwater from accumulating at the connection between the support connecting ring 101 and the impermeable pipe 102, and preventing the rainwater from flowing at the connection between the support connecting ring 101 and the impermeable pipe 102 for a long time, further improving the overall sealing performance.

[0044] The working principle and usage process of this utility model are as follows: When performing seepage prevention treatment on an underground shield tunnel, this underground shield tunnel anti-seepage device first sets multiple sets of support connecting rings 101 at specified intervals on the side wall of the shield tunnel. Then, the seepage prevention pipes 102 are sequentially hoisted between two sets of support connecting rings 101. Next, the seepage prevention pipes 102 on both sides of the support connecting rings 101 are inserted into the annular slots opened in the support connecting rings 101. Then, the screws 201 on the support plate 202 are rotated, driving the two sets of moving frames 204 to move away from each other. 4. While moving in opposite directions, the L-shaped plate 206 is pulled, causing the L-shaped plate 206 to stretch the spring 207. By stretching the L-shaped plate 206, the moving frame 204 can drive the L-shaped plate 206 to move, allowing the L-shaped plate 206 to pass over the annular piece 208 on the inner wall of the waterproof pipe 102. When the L-shaped plate 206 is located at the position of the two sets of annular pieces 208, by releasing the L-shaped plate 206, the spring 207 will elastically reset and drive the L-shaped plate 206 to reset, so that one end of the L-shaped plate 206 is in contact with the inner wall of the waterproof pipe 102.

[0045] Next, the screw 201 is rotated again. This rotation drives the two sets of moving frames 204 to move closer together, which in turn causes the L-shaped plate 206 to move synchronously. The L-shaped plate 206 then laterally compresses the annular piece 208, which in turn causes the waterproof pipe 102 to compress the supporting connecting ring 101. A sealing ring 103 is provided between the supporting connecting ring 101 and the waterproof pipe 102. While the waterproof pipe 102 and the supporting connecting ring 101 are compressing, the sealing ring 103... The setting of ring 103 increases the sealing performance of the connection between the support connecting ring 101 and the seepage-proof pipe 102. After the support connecting ring 101 and the seepage-proof pipe 102 are squeezed and spliced ​​together and fixed, the support connecting ring 101 is fixed to the side wall of the shield tunnel by screws. The support connecting ring 101 and the seepage-proof pipe 102 are tightly sealed and spliced ​​together by the squeezing locking mechanism 2. Multiple sets of support connecting rings 101 and seepage-proof pipes 102 are spliced ​​together in sequence to form a tubular body, which can effectively block the infiltration of groundwater and rainwater into the interior of the shield tunnel.

[0046] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

Claims

1. A seepage prevention device for underground shield tunnels, characterized in that, Includes multiple sets of equidistant support connection rings (101) set on the side wall of the shield tunnel; A waterproof pipe (102) is provided between the two sets of support connecting rings (101); The supporting connecting ring (101) has annular slots on both sides that are adapted to the seepage-proof pipe (102), and a sealing ring (103) is provided in the annular slot. The sealing ring (103) and the seepage-proof pipe (102) are fixedly connected. The support connecting ring (101) is equipped with a compression locking mechanism (2), which is used to achieve a sealed and fixed connection between the support connecting ring (101) and the seepage-proof pipe (102).

2. The seepage prevention device for underground shield tunnels according to claim 1, characterized in that: The supporting connecting ring (101) is fixed to the shield tunnel with screws, and the outer periphery of the seepage-proof pipe (102) forms a drainage cavity with the inner wall of the shield tunnel.

3. The water infiltration prevention device for underground shield pipe rack according to claim 1, characterized in that: The compression locking mechanism (2) includes multiple sets of placement slots arranged in a ring at equal intervals on the inner side wall of the support connecting ring (101), a screw (201) disposed in the placement slots, and a movable frame (204) disposed at both ends of the screw (201). The placement slot is provided with symmetrically arranged support plates (202), the upper surface of the movable frame (204) is slidably covered with an L-shaped plate (206), a spring (207) is fixed between the L-shaped plate (206) and the movable frame (204), annular plates (208) are fixed at both ends of the inner sidewall of the waterproof pipe (102), and a hexagonal sleeve (203) is fixed at the center of the surface of the screw (201).

4. The seepage prevention device for underground shield tunnels according to claim 3, characterized in that: The support plate (202) and the support connecting ring (101) are fixedly connected. The screw (201) is rotatably connected to the two sets of support plates (202) through bearings. The threads at both ends of the outer side of the screw (201) are arranged in opposite structures. The two sets of moving frames (204) are threadedly connected to the opposite threads of the screw (201) through the threaded grooves.

5. The seepage prevention device for underground shield tunnels according to claim 3, characterized in that: The surface of the support connecting ring (101) is provided with a limiting groove (205) that is adapted to the movable frame (204). The movable frame (204) and the support connecting ring (101) are slidably connected through the limiting groove (205). The movable frame (204) is provided with a sliding hole that is adapted to the L-shaped plate (206). The L-shaped plate (206) and the movable frame (204) are slidably connected through this sliding hole.

6. The seepage prevention device for underground shield tunnels according to claim 1, characterized in that: The outer surface of the seepage-proof pipe (102) is provided with an annular groove (105), and the two ends of the support connecting ring (101) are fixed with inclined plates (104) in an annular structure. One end of the inclined plate (104) extends into the annular groove (105) opened in the seepage-proof pipe (102).

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