Pipe jacking structure with self-anchoring function

By designing a top pipe structure with self-anchor function, using arc-shaped self-anchor stops and socket grooves, combined with positioning bolts and sealing rings, the problem of disengagement or failure of pipeline interfaces in the soft foundation areas in the prior art is solved, and the reliability and stability of pipeline connections are achieved.

CN222894809UActive Publication Date: 2025-05-23XINXING DUCTILE IRON PIPES CO LTD +2
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Patent Information

Application Number
CN202421638278.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-11
Publication Date
2025-05-23
Estimated Expiration
2034-07-11

AI Technical Summary

Technical Problem

The prior art ductile iron top pipe products have a risk of disengagement or failure in areas where foundations are severely settled, such as soft foundation areas or seismic zones.

Method used

A top pipe structure with self-anchor function is designed, with arc-shaped self-anchor stops and socket grooves on the pipe socket, and reliable connection and positioning of the pipe is achieved through positioning bolts and sealing rings.

Benefits of technology

The reliability and stability of pipeline connections are achieved, the problem of slippage of pipeline interfaces in soft foundations is avoided, and the safety and reliability of pipeline connections are ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to a pipe jacking structure with a self-anchoring function in the technical field of engineering pipelines. One end of the pipeline is a pipeline socket (4), the other end of the pipeline is a pipeline socket (11), the outer ring of the pipeline socket (4) is provided with a socket groove (10), the pipeline socket (4) is provided with a check block window (12) penetrating through the pipeline socket (4), the self-anchoring check block (3) is of an arc-shaped structure, the pipeline socket (4) on the side face of the check block window (12) is provided with a socket screw hole (13), and the self-anchoring check block (3) is provided with a check block screw hole (14). According to the pipe jacking structure with the self-anchoring function, pipe fitting connection can be reliably achieved, connection and disassembly are very convenient, the problem of slippage of a connected pipeline connector is avoided, and the pipe jacking structure is suitable for soft areas of foundations.
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Description

Technical Field

[0001] The utility model belongs to the technical field of engineering pipelines, and more specifically relates to a jacking pipe structure with a self-anchoring function. Background Art

[0002] In the field of pipeline applications, the interface of the traditional ductile iron pipe jacking pipe is of the socket type. The plug buckle enters the socket by compressing the rubber ring installed in the socket, and the rubber ring is used to seal the connection between the two sections of the pipeline, thus completing the installation of the two sections of the pipeline. However, the ductile iron pipe jacking products in the prior art do not have a self-anchoring structure function. Therefore, in areas with soft foundations or areas with severe foundation settlement such as earthquake zones and empty areas, there is a risk of the pipeline interface being disengaged or failing. Therefore, there is room for improvement in the prior art.

[0003] In the prior art, there is a technology named "pipeline socket connection fixing structure" and the publication number is "CN102345772A", which relates to a pipe socket connection fixing structure, including a socket steel ring and a spigot steel ring, the socket steel ring is coaxially sleeved on the spigot steel ring, the spigot steel ring outer wall is radially coaxially provided with a sealing groove, a sealing rubber ring is installed between the sealing groove and the inner wall of the socket steel ring, and the spigot steel ring and the socket steel ring are respectively provided with corresponding spigot steel ring locking through holes and socket steel ring locking through holes, the spigot steel ring locking through holes and the corresponding socket steel ring locking through holes are fixed by locking bolts. The invention has simple structure, good sealing performance, convenient construction, and effectively improves the ability of the pipeline to resist uneven settlement and axial and lateral thrusts, and is a safe and reliable pipe socket connection fixing structure.

[0004] However, this technology does not involve the technical problems and technical solutions of the present application. Utility Model Content

[0005] The technical problem to be solved by the utility model is: in view of the deficiencies in the prior art, a jacking pipe structure with a self-anchoring function is provided, which can reliably realize pipe connection, is extremely convenient to connect and disassemble, avoids the problem of slippage of the connected pipe interface, and is suitable for areas with soft foundations.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the utility model is:

[0007] The utility model discloses a jacking pipe structure with a self-anchoring function. One end of the pipe is a pipe socket, and the other end of the pipe is a pipe spigot. A spigot groove is arranged on the outer ring of the pipe spigot. A stopper window penetrating the pipe socket is arranged on the pipe socket. The self-anchoring stopper is an arc-shaped structure. A spigot screw hole is arranged on the pipe socket on the side of the stopper window, and a stopper screw hole is arranged on the self-anchoring stopper.

[0008] The outer ring of the pipe socket is provided with a socket groove along a circle of the pipe socket.

[0009] The pipe socket is provided with a plurality of stopper windows at intervals along a circumference of the pipe socket, and the jacking pipe structure with a self-anchoring function also includes positioning bolts.

[0010] A socket screw hole is arranged at the pipe socket position between two adjacent stopper windows.

[0011] The inner ring of the pipe socket is provided with a sealing rubber ring arrangement ring groove, and the sealing rubber ring is clamped in the sealing rubber ring arrangement ring groove.

[0012] The outer ring of the pipeline is provided with an outer cement protective sleeve, and the inner ring of the pipeline is provided with a cement lining.

[0013] A push inner / outer flange is arranged on the pipeline near the pipeline socket.

[0014] The pipe socket of an adjacent pipe is configured as a structure that can be inserted into the pipe socket of another pipe, and the self-anchoring stopper is configured as a structure that can be clamped in the socket groove and is located below the pipe socket where the socket screw hole is set.

[0015] A wooden gasket is arranged at the position of the pushing inner / outer flange.

[0016] The technical solution of the utility model is adopted, and the working principle and beneficial effects are as follows:

[0017] The jacking pipe structure with self-anchoring function described in the utility model is provided with a pipe, one end of the pipe is a pipe socket, and the other end of the pipe is a pipe spigot. When adjacent pipes are connected, the pipe spigot of one pipe is inserted into the pipe socket of another pipe. A spigot groove is provided on the outer ring of the pipe spigot, and the spigot groove is used for the block to be inserted to realize the positioning of the interface part of the adjacent pipes. A block window penetrating the pipe socket is provided on the pipe socket, and the block window is used for putting in and taking out the self-anchor block. The self-anchor block is an arc-shaped structure, and a spigot screw hole is provided on the pipe socket on the side of the block window, and a block screw hole is provided on the self-anchor block. When connecting the pipes, the sealing rubber ring is first installed on the inner ring of the pipe socket, and then the wooden gasket is bonded to the inner / outer flange of the jacking, and then the pipe spigot of one pipe is inserted into the pipe socket of another pipe until the end face of the pipe socket of one pipe is tightly fitted with the inner / outer flange of the jacking of another pipe. When the pipe socket is inserted in place, check whether the socket groove is directly below the block window through the block window. After the inspection is completed and confirmed to be correct, put the self-anchor block into the socket groove through the retaining ring window, and then push the self-anchor block to move a certain position along the socket groove, that is, move it to the position below the pipe socket where the socket screw hole is set, and then pass the positioning bolt through the socket groove and screw it to the block screw hole on the self-anchor block to reliably realize the positioning of the self-anchor block. The self-anchor block is clamped in the socket groove and connected to the pipe socket at the same time, so as to reliably realize the connection and positioning of adjacent pipes. Adjacent connected pipes will not fall off easily, ensuring reliable application in areas with soft foundations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The following is a brief description of the contents and symbols in the drawings of this specification:

[0019] Figure 1 It is a structural schematic diagram of the jacking pipe described in the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the jacking pipe connection described in the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the stopper described in the utility model;

[0022] The marks in the attached drawings are: 1. wooden gasket; 2. positioning bolt; 3. self-anchor block; 4. pipe socket; 5. sealing rubber ring; 6. outer cement protective sleeve; 7. cement lining; 8. reinforcing ribs; 9. push inner / outer flange; 10. socket groove; 11. pipe socket; 12. block window; 13. socket screw hole; 14. block screw hole; 15. sealing rubber ring arrangement ring groove. DETAILED DESCRIPTION

[0023] The following is a detailed description of the embodiments of the present invention, such as the shapes, structures, positions and connection relationships of the components involved, the functions and working principles of the components, etc., by referring to the accompanying drawings:

[0024] As attached Figure 1 -Attached Figure 3 As shown, the utility model is a jacking pipe structure with a self-anchoring function, one end of the pipe is a pipe socket 4, the other end of the pipe is a pipe spigot 11, a spigot groove 10 is arranged on the outer ring of the pipe spigot 4, a block window 12 penetrating the pipe socket 4 is arranged on the pipe socket 4, the self-anchoring block 3 is an arc-shaped structure, a spigot screw hole 13 is arranged on the pipe socket 4 on the side of the block window 12, and a block screw hole 14 is arranged on the self-anchoring block 3. The above structure proposes an improved technical solution to address the deficiencies in the prior art. When the structure is set, a pipe is set, one end of the pipe is a pipe socket 4, and the other end of the pipe is a pipe spigot 11. When adjacent pipes are connected, the pipe spigot 11 of one pipe is inserted into the pipe socket of another pipe. The outer ring of the pipe socket 4 is provided with a socket groove 10, which is used for the block to be inserted to realize the positioning of the interface part of the adjacent pipes. The pipe socket 4 is provided with a block window 12 that passes through the pipe socket 4. The block window 12 is used to put in and take out the self-anchor block 3. The self-anchor block 3 is an arc-shaped structure. The pipe socket 4 on the side of the block window 12 is provided with a socket screw hole 13, and the self-anchor block 3 is provided with a block screw hole 14. When connecting the pipes, the sealing rubber ring 5 is first installed to the inner ring of the pipe socket 4, and then the wooden gasket 1 is bonded to the top push inner / outer flange 9, and then the pipe socket 11 of one pipe is inserted into the pipe socket 4 of another pipe until the end face of the pipe socket 4 of one pipe is tightly fitted with the top push inner / outer flange 9 of the other pipe. When the pipe socket 11 is inserted in place, the block window 12 is used to detect whether the socket groove 10 is directly below the block window 12. After the inspection is completed and confirmed to be correct, the self-anchoring stopper 3 is placed into the socket groove 10 through the retaining ring window 12, and then the self-anchoring stopper 3 is pushed to move a certain position along the socket groove 10, that is, moved to the position below the pipe socket 4 where the socket screw hole 13 is set, and then the positioning bolt passes through the socket groove 10, and is screwed and connected to the stopper screw hole 14 on the self-anchoring stopper 3, so that the positioning of the self-anchoring stopper 3 can be reliably realized, and the self-anchoring stopper 3 is clamped in the socket groove and connected to the pipe socket at the same time, so that the connection and positioning of adjacent pipes can be reliably realized. Adjacent connected pipes will not fall off easily, ensuring reliable application in areas with soft foundations. The jacking pipe structure with self-anchoring function described in the utility model can reliably realize the connection of pipe fittings, and the connection and disassembly are extremely convenient, avoiding the problem of slippage of the connected pipe interface, and is suitable for areas with soft foundations.

[0025] The outer ring of the pipe socket 4 is provided with a socket groove 10 along the pipe socket 4. In the above structure, the socket groove is an annular recessed structure. After the adjacent pipes are connected, the self-anchor block 3 is inserted into the socket groove 10 to realize the positioning of the adjacent pipes and effectively prevent the interface from being separated.

[0026] The pipe socket 4 is provided with a plurality of block windows 12 at intervals along the pipe socket 4, and the jacking pipe structure with self-anchoring function further comprises a positioning bolt 2. In the above structure, after the adjacent pipes are connected, the positioning bolt 2 passes through the socket groove 10 and is screwed and connected to the block screw hole 14 on the self-anchor block 3, so as to reliably realize the positioning of the self-anchor block 3, and the self-anchor block 3 is clamped in the socket groove and connected to the pipe socket at the same time, so as to reliably realize the connection and positioning of the adjacent pipes.

[0027] A socket screw hole 13 is provided at the position of the pipe socket 4 between two adjacent stopper windows 12 .

[0028] The inner ring of the pipe socket 4 is provided with a sealing rubber ring arrangement groove 15, and the sealing rubber ring 5 is clamped in the sealing rubber ring arrangement groove 15. In the above structure, the sealing rubber ring arrangement groove 15 is used to clamp the sealing rubber ring 5 and limit the sealing rubber ring. When two pipes are connected, the sealing rubber ring 5 is squeezed between the pipe socket 4 and the pipe socket 11 to achieve the sealing effect of the pipe.

[0029] The outer ring of the pipeline is provided with an outer cement protective sleeve 6, and the inner ring of the pipeline is provided with a cement lining 7. In the above structure, the outer cement protective sleeve 6 and the cement lining 7 play a role in protecting the pipeline from inside and outside.

[0030] The pipe is provided with a push inner / outer flange 9 near the pipe socket 11. A wooden gasket 1 is provided at the position of the push inner / outer flange 9. In the above structure, the push inner / outer flange 9 is used for axial limit when two pipes are plugged and connected, and the wooden gasket serves to eliminate the gap.

[0031] The pipe socket 11 of an adjacent pipe is configured as a structure that can be inserted into the pipe socket 4 of another pipe, and the self-anchor block 3 is configured as a structure that can be clamped in the socket groove 10 and is located below the pipe socket 4 where the socket screw hole 13 is set.

[0032] The jacking pipe structure with self-anchoring function described in the utility model is provided with a pipe when the structure is set, one end of the pipe is a pipe socket 4, and the other end of the pipe is a pipe socket 11. When adjacent pipes are connected, the pipe socket 11 of one pipe is inserted into the pipe socket of another pipe. A socket groove 10 is provided on the outer ring of the pipe socket 4, and the socket groove is used for the stopper to be inserted to realize the positioning of the interface part of the adjacent pipes. A stopper window 12 penetrating the pipe socket 4 is provided on the pipe socket 4, and the stopper window 12 is used for putting in and taking out the self-anchoring stopper 3. The self-anchoring stopper 3 is an arc-shaped structure, and a socket screw hole 13 is provided on the pipe socket 4 on the side of the stopper window 12, and a stopper screw hole 14 is provided on the self-anchoring stopper 3. When connecting the pipelines, the sealing rubber ring 5 is first installed to the inner ring of the pipeline socket 4, and then the wooden gasket 1 is bonded to the top push inner / outer flange 9, and then the pipeline socket 11 of one pipeline is inserted into the pipeline socket 4 of another pipeline, until the end face of the pipeline socket 4 of one pipeline is tightly fitted with the top push inner / outer flange 9 of the other pipeline. When the pipeline socket 11 is inserted in place, the stopper window 12 is used to detect whether the socket groove 10 is directly below the stopper window 12. After the detection is completed and confirmed to be correct, the self-anchoring stopper 3 is placed into the socket groove 10 through the stopper ring window 12, and then the self-anchoring stopper 3 is pushed to move a certain position along the socket groove 10, that is, to the position below the pipeline socket 4 where the socket screw hole 13 is set, and then the positioning bolt passes through the socket groove 10, and is screwed to connect the stopper screw hole 14 on the self-anchoring stopper 3, so as to reliably realize the positioning of the self-anchoring stopper 3, and the self-anchoring stopper 3 is clamped in the socket groove, and the pipeline socket is connected at the same time, so as to reliably realize the connection and positioning of adjacent pipelines. Adjacent connected pipes will not fall off easily, ensuring reliable application in areas with soft foundations.

[0033] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A pipe jacking structure with self-anchoring function, characterized in that: One end of the pipeline is a pipeline socket (4), and the other end of the pipeline is a pipeline plug (11). A plug groove (10) is arranged on the outer circle of the pipeline plug (11). A stopper window (12) penetrating the pipeline socket (4) is arranged on the pipeline socket (4). The self-anchoring stopper (3) is an arc-shaped structure. A plug screw hole (13) is arranged on the pipeline socket (4) on the side of the stopper window (12), and a stopper screw hole (14) is arranged on the self-anchoring stopper (3).

2. The jacking pipe structure with self-anchoring function according to claim 1, characterized in that: The outer ring of the pipe socket (4) is provided with a socket groove (10) along the pipe socket (4).

3. The jacking pipe structure with self-anchoring function according to claim 1 or 2, characterized in that: The pipe socket (4) is provided with a plurality of block windows (12) at intervals along a circumference of the pipe socket (4), and the jacking pipe structure with a self-anchoring function also includes positioning bolts (2).

4. The jacking pipe structure with self-anchoring function according to claim 3, characterized in that: A socket screw hole (13) is arranged at the position of the pipe socket (4) between two adjacent stopper windows (12).

5. The jacking pipe structure with self-anchoring function according to claim 1 or 2, characterized in that: The inner ring of the pipe socket (4) of the pipe is provided with a sealing rubber ring arrangement groove (15), and the sealing rubber ring (5) is clamped in the sealing rubber ring arrangement groove (15).

6. The jacking pipe structure with self-anchoring function according to claim 1 or 2, characterized in that: The outer ring of the pipeline is provided with an outer cement protective sleeve (6), and the inner ring of the pipeline is provided with a cement lining (8).

7. The jacking pipe structure with self-anchoring function according to claim 1 or 2, characterized in that: A push inner / outer flange (9) is arranged on the pipeline near the pipeline socket (11).

8. The jacking pipe structure with self-anchoring function according to claim 1 or 2, characterized in that: The pipe socket (11) of an adjacent pipe is configured as a structure capable of being inserted into the pipe socket (4) of another pipe, and the self-anchoring stopper (3) is configured as a structure capable of being clamped in the socket groove (10) and located below the pipe socket (4) where the socket screw hole (13) is provided.

9. The jacking pipe structure with self-anchoring function according to claim 7, characterized in that: A wooden gasket (1) is arranged at the position of the pushing inner / outer flange (9).

Citation Information

Patent Citations

  • Connecting and fixing structure for pipeline socket

    CN102345772A