Modularized assembled water stop device for jacking hole of large-diameter jacking pipe

Through modular assembly of the water stop device, the modular components and spring trapezoidal block structure are used to solve the sealing problem between the hole opening and the pipe gap in the top pipe construction, and flexible sealing and efficient disassembly are achieved, reducing costs and improving sealing and construction safety.

CN223089340UActive Publication Date: 2025-07-11CHINA RAILWAY SHANGHAI ENG BUREAU GRP NANJING WATER ENVIRONMENTAL PROTECTION DEV CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423124661.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-07-11
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

In the construction of large-diameter top pipes, the gap between the hole opening and the outer wall of the pipeline is difficult to effectively seal after the top pipe is excavated, resulting in soil collapse, pipeline displacement or leakage. The existing rubber block sealing method needs to be customized with different sizes and models, which is high and inflexible.

Method used

A modular assembled water stop device is designed. Through the combination of module 1 and module 2, the plug-in structure of spring and trapezoidal block is used to achieve flexible adjustments to adapt to hole openings of different specifications, combining sealing strips and rubber rings to improve sealing and simplify the operation process.

Benefits of technology

It realizes flexible sealing of holes with different specifications, reduces customization costs, improves sealing and construction efficiency, and ensures safety of construction and operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223089340U_ABST
    Figure CN223089340U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of municipal construction, and discloses a modular assembly water stop device for a large-diameter jacking pipe jacking hole, which comprises a pipeline, and a plugging component is arranged on the outer wall of the pipeline. According to the modular assembly water stop device for the large-diameter jacking pipe jacking hole, the number of the first modules and the number of the second modules can be freely adjusted according to the size change of the outer wall of a pipeline and the hole, the blocking requirements of various different specifications can be flexibly met, the blocking difficulty caused by mismatching of the specifications is avoided, a handle is pulled, inserting connection between a trapezoidal block and an inserting groove is omitted, and the sealing effect is good. Compared with the prior art, the disassembly action and the operation of releasing the clamping relation are combined, tedious operation of multiple steps is avoided, a worker only needs to carry out one-time pulling operation, the second module can be disassembled, the clamping relation between the first module and the second module can be released at the same time, and therefore the whole disassembly process is greatly simplified.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of municipal construction, and particularly relates to a modular assembled water stop device for the jacking hole of a large-diameter pipe jacking. Background Technique

[0002] During the construction process of large-diameter pipe jacking, there will inevitably be certain gaps between the jacking hole and the outer wall of the pipe after the pipe jacking tunneling is completed. If these gaps are not dealt with in time, problems such as surrounding soil collapse, pipe displacement or leakage may occur. Therefore, during the construction process, effective plugging measures need to be taken to seal the gaps between the hole and the pipe to ensure the stability of the pipe, construction safety and waterproof performance during subsequent use.

[0003] However, during the actual plugging of the above gaps, a whole rubber block is used and its size and model are matched according to the specifications of the pipe jacking hole. Since there are differences in the hole specifications in each construction project, rubber blocks of different sizes and models need to be customized. Each time, rubber blocks need to be customized according to specific specifications, and the mold manufacturing and small-batch production costs are relatively high. In view of this, we have proposed a modular assembled water stop device for the jacking hole of a large-diameter pipe jacking. Content of the Utility Model

[0004] The purpose of the utility model is to provide a modular assembled water stop device for the jacking hole of a large-diameter pipe jacking to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A modular assembled water stop device for the jacking hole of a large-diameter pipe jacking, including a pipe, and a plugging assembly is arranged on the outer wall of the pipe. The plugging assembly includes:

[0006] Module 1, a spring 1 is fixedly connected to the inner wall of Module 1. The spring 1 is fixedly connected to a trapezoidal block, and the trapezoidal block is slidably connected to the inner wall of Module 1. A rubber ring is fixedly connected to the outer wall of Module 1.

[0007] Module 2, a slot is opened on the side wall of Module 2. A guiding inclined block is fixedly connected to the inner wall of the slot. A movable frame is slidably connected to the inner wall of the slot. An annular groove is opened on the side wall of Module 2.

[0008] Push block 2, a spring 2 is fixedly connected to the inner wall of the movable frame. The push block 2 is fixedly connected to the end face of the spring 2.

[0009] Preferably, a handle is fixedly connected to the outer wall of the movable frame, and the handle is slidably connected to Module 2.

[0010] Preferably, a sealing strip 1 is fixedly connected to the bottom of Module 1, and a sealing strip 2 is fixedly connected to the bottom of Module 2.

[0011] Preferably, the rubber ring is snap-fitted with the annular groove, and the first module and the second module are arranged on the outer wall of the pipeline.

[0012] Preferably, the trapezoidal block is inserted into the slot, chamfers are arranged at the corners of the second push block, the number of the chamfers is two groups, one group of the chamfers is movably connected with the inclined surface of the trapezoidal block, and the other group of the chamfers is movably connected with the guiding inclined block. By pulling the handle, the movable frame is driven to move, so that the push block cancels the abutment with the guiding inclined block. Furthermore, the guiding inclined block cannot limit the push block. Under the elastic action of the second spring, the push block pushes the trapezoidal block to cancel the insertion into the slot.

[0013] Preferably, the number of the first modules and the second modules is several groups, and several groups of the first modules and the second modules are arranged at intervals on the outer wall of the pipeline. By setting different numbers of the first modules and the second modules, the sealing of holes with different specifications can be realized.

[0014] Compared with the prior art, the utility model provides a modular assembled water stop device for the jacking hole of a large-diameter pipe jacking, which has the following beneficial effects:

[0015] 1. For the modular assembled water stop device for the jacking hole of a large-diameter pipe jacking, through the arranged sealing component, according to the dimensional changes of the outer wall of the pipeline and the hole, the number of the first module and the second module can be freely adjusted, which can flexibly meet various sealing requirements of different specifications, avoid the sealing difficulty caused by non-matching specifications, and avoid the high cost of customizing different specifications of sealing parts. By pulling the handle, the limiting relationship between the second push block and the guiding inclined block can be quickly released, so as to cancel the insertion of the trapezoidal block into the slot, combining the disassembly action with the operation of releasing the clamping relationship, avoiding the cumbersome operations of multiple steps. The worker only needs to perform one pulling operation, which can not only disassemble the second module, but also simultaneously release the clamping relationship between the first module and the second module, thus greatly simplifying the whole disassembly process.

[0016] 2. For the modular assembled water stop device for the jacking hole of a large-diameter pipe jacking, through the arranged first sealing strip and second sealing strip, the sealing degree between the sealing component and the pipeline is improved. The rubber ring is matched with the annular groove to improve the sealing degree of the sealing component itself, ensure the complete density of the contact between it and the surface of the pipeline or the first module and the second module, prevent the leakage of fluid, improve the safety of the system, and ensure the safety of construction and operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the sealing component of the utility model;

[0019] Figure 3 Explosion diagram of Module 1 of the present utility model;

[0020] Figure 4 Schematic cross-sectional structure diagram of Module 2 of the present utility model;

[0021] Figure 5 Explosion diagram of Module 2 of the present utility model.

[0022] In the figure: 1, pipeline; 2, plugging assembly; 201, Module 1; 202, Spring 1; 203, trapezoidal block; 204, rubber ring; 205, Module 2; 206, slot; 207, guiding inclined block; 208, movable frame; 209, Spring 2; 210, pushing block; 211, annular groove; 3, handle; 4, sealing strip 1; 5, sealing strip 2. Specific implementation mode

[0023] As Figures 1-5 shown, the present utility model provides a technical solution: a modular assembled water-stop device for the jacking hole of a large-diameter pipe jacking, including a pipeline 1, and a plugging assembly 2 is arranged on the outer wall of the pipeline 1. The plugging assembly 2 includes Module 1 201, Spring 1 202, trapezoidal block 203, rubber ring 204, Module 2 205, slot 206, guiding inclined block 207, movable frame 208, Spring 2 209, pushing block 210, and annular groove 211.

[0024] In an embodiment of the present utility model, Module 1 201 and Module 2 205 are arranged on the outer wall of the pipeline 1. The number of Module 1 201 and Module 2 205 is set to several groups, and several groups of Module 1 201 and Module 2 205 are arranged at intervals on the outer wall of the pipeline 1. By setting different numbers of Module 1 201 and Module 2 205, the plugging of holes with different specifications is realized.

[0025] A Spring 1 202 is fixedly connected to the inner wall of Module 1 201. Spring 1 202 is fixedly connected to the trapezoidal block 203. The trapezoidal block 203 is slidably connected to the inner wall of Module 1 201. A rubber ring 204 is fixedly connected to the outer wall of Module 1 201, and the rubber ring 204 is clamped with the annular groove 211.

[0026] A slot 206 is opened on the side wall of Module 2 205. A guiding inclined block 207 is fixedly connected to the inner wall of the slot 206. A movable frame 208 is slidably connected to the inner wall of the slot 206. A handle 3 is fixedly connected to the outer wall of the movable frame 208. The handle 3 is slidably connected to Module 2 205. An annular groove 211 is opened on the side wall of Module 2 205. A Spring 2 209 is fixedly connected to the inner wall of the movable frame 208, and a pushing block 210 is fixedly connected to the end face of Spring 2 209.

[0027] The trapezoidal block 203 is inserted into the slot 206. Chamfers are provided at the corners of the second push block 210, and two sets of chamfers are provided. One set of chamfers is movably connected to the inclined surface of the trapezoidal block 203, and the other set of chamfers is movably connected to the guiding inclined block 207. Pull the handle 3 to drive the movable frame 208 to move, so that the push block 210 cancels the abutment with the guiding inclined block 207. Furthermore, the guiding inclined block 207 cannot limit the push block 210. Under the elastic action of the second spring 209, the push block 210 is made to push the trapezoidal block 203 to cancel the insertion into the slot 206.

[0028] According to the size changes of the outer wall of the pipeline 1 and the opening, the quantities of the first module 201 and the second module 205 can be freely adjusted, which can flexibly meet various plugging requirements of different specifications, avoid the plugging difficulties caused by non-matching specifications, and avoid the high cost of customizing plugging parts of different specifications. By presetting different quantities of modules, the opening can be quickly plugged, reducing the customization requirements for special-size plugging parts during the construction process, shortening the construction period. The first module 201 and the second module 205 can be used multiple times, reducing the material cost.

[0029] Push the first module 201, and the inclined surface of the trapezoidal block 203 is guided by the second module 205 into the first module 201. When the trapezoidal block 203 moves to the position of the slot 206, the first spring 202 pushes the trapezoidal block 203, so that the trapezoidal block 203 is inserted into the slot 206, thereby realizing the installation of the plugging assembly 2.

[0030] Pull the handle 3 to drive the movable frame 208 to move, so that the push block 210 cancels the abutment with the guiding inclined block 207. Furthermore, the guiding inclined block 207 cannot limit the push block 210. Under the elastic action of the second spring 209, the push block 210 is made to push the trapezoidal block 203 to cancel the insertion into the slot 206. By pulling the handle 3, the limiting relationship between the second push block 210 and the guiding inclined block 207 can be quickly released, thereby canceling the insertion of the trapezoidal block 203 into the slot 206. This design makes the connection between the second module 205 and the first module 201 very flexible. The disassembly process does not require the use of complex tools, which can greatly improve the construction efficiency. By combining the disassembly action with the operation of releasing the clamping relationship, the cumbersome operations of multiple steps are avoided. The worker only needs to perform one pulling operation to disassemble the second module 205 and simultaneously release the clamping relationship between the first module 201 and the second module 205, thus greatly simplifying the entire disassembly process.

[0031] In addition, a first sealing strip 4 is fixedly connected to the bottom of the first module 201, and a second sealing strip 5 is fixedly connected to the bottom of the second module 205. The first sealing strip 4 and the second sealing strip 5 are in contact with the pipeline 1, improving the sealing degree between the plugging assembly 2 and the pipeline 1. The rubber ring 204 is matched with the annular groove 211, improving the sealing degree of the plugging assembly 2 itself, ensuring that the contact between it and the surface of the pipeline 1 or the first module 201 and the second module 205 is completely dense, preventing fluid leakage, improving the safety of the system, and ensuring the safety of construction and operation.

[0032] In the present utility model, during use, the first module 201 is pushed, and the inclined surface of the trapezoidal block 203 is guided into the first module 201 by the second module 205. The trapezoidal block 203 is inserted into the slot 206 to complete the installation of the plugging assembly 2. By pulling the handle 3, the limiting relationship between the second push block 210 and the guiding inclined block 207 is quickly released to achieve the disassembly of the plugging assembly 2.

[0033] The above has generally described the present utility model in detail. However, based on the present utility model, some modifications or improvements can be made, which are obvious to those of ordinary skill in the technical field. Therefore, modifications or improvements that do not depart from the spirit of the present utility model are within the protection scope of the present utility model.

Claims

1. A modular assembled water stop device for the jacking hole of large-diameter pipe jacking, comprising a pipeline (1), characterized in that: A sealing component (2) is provided on the outer wall of the pipeline (1), and the sealing component (2) includes: Module 1 (201), a first spring (202) is fixedly connected to the inner wall of the Module 1 (201), the first spring (202) is fixedly connected to a trapezoidal block (203), the trapezoidal block (203) is slidably connected to the inner wall of the Module 1 (201), and a rubber ring (204) is fixedly connected to the outer wall of the Module 1 (201); Module 2 (205), a slot (206) is provided on the side wall of the Module 2 (205), a guiding inclined block (207) is fixedly connected to the inner wall of the slot (206), a movable frame (208) is slidably connected to the inner wall of the slot (206), and an annular groove (211) is provided on the side wall of the Module 2 (205); A second push block (210), a second spring (209) is fixedly connected to the inner wall of the movable frame (208), and the second push block (210) is fixedly connected to the end face of the second spring (209).

2. The modular assembled water stop device for the jacking hole of large-diameter pipe jacking according to claim 1, wherein: A handle (3) is fixedly connected to the outer wall of the movable frame (208), and the handle (3) is slidably connected to the Module 2 (205).

3. The modular assembled water stop device for the jacking hole of large-diameter pipe jacking according to claim 1, characterized in that: A first sealing strip (4) is fixedly connected to the bottom of the Module 1 (201), and a second sealing strip (5) is fixedly connected to the bottom of the Module 2 (205).

4. The modular assembled water stop device for the jacking hole of the large-diameter pipe jacking according to claim 1, characterized in that: The rubber ring (204) is clamped with the annular groove (211), and the Module 1 (201) and the Module 2 (205) are arranged on the outer wall of the pipeline (1).

5. The modular assembled water stop device for the large-diameter pipe jacking inlet according to claim 1, characterized in that: The trapezoidal block (203) is inserted into the slot (206), chamfers are arranged at the corners of the second push block (210), and the number of the chamfers is two groups. One group of the chamfers is movably connected to the inclined surface of the trapezoidal block (203), and the other group of the chamfers is movably connected to the guiding inclined block (207).

6. According to the modular assembled water stop device for the jacking hole of a large-diameter pipe jacking as described in claim 1, It is characterized in that: The number of the Module 1 (201) and the Module 2 (205) is several groups, Several groups of the Module 1 (201) and the Module 2 (205) are arranged at intervals on the outer wall of the pipeline (1).