Large-diameter reinforced concrete pipeline connector structure

By combining multiple connection methods and using adhesives for fixation, the problem of loosening of traditional large-diameter reinforced concrete pipe joints under complex external forces has been solved, achieving a stable connection and improved durability.

CN223662837UActive Publication Date: 2025-12-12CCCC (INNER MONGOLIA) CONSTRUCTION & DEVELOPMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520450363.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2025-12-12
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

Traditional large-diameter reinforced concrete pipe joints are prone to loosening and disassembly under complex external forces, affecting sealing and drainage system operation.

Method used

Multiple connection methods are combined, including fitting the plug pipe with the reserved opening, tight contact between the protrusion and the groove, fixing the connecting plate with bolts, applying epoxy resin adhesive to the inside of the connecting pipe, and fixing it with cement mortar on the outside to enhance the stability of the connection.

Benefits of technology

It improves the stability and durability of pipe joints, enabling them to resist various external forces, prevent loosening and disconnection, and extend their service life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223662837U_ABST
    Figure CN223662837U_ABST
Patent Text Reader

Abstract

The utility model discloses a large-diameter reinforced concrete pipeline connector structure, and belongs to the field of reinforced concrete pipelines. According to the large-diameter reinforced concrete pipeline connector structure, the first connector structure and the second connector structure are arranged, the pipeline body is arranged between the first connector structure and the second connector structure, the connector structure adopts multiple connection modes to be combined, stable connection between two sections of pipelines is ensured, matching of an inserting pipe and a reserved opening is ensured, and the connecting efficiency is improved. The three modes of tight contact between the protruding blocks and the grooves and fixing of the connecting plates through bolts complement each other, the connecting stability is enhanced from different angles, the forces are stably coped with, the pipeline connecting stability is maintained, and the problem that in actual use, the pipeline is likely to be subjected to the forces from different directions, and the pipeline is damaged is solved. Therefore, the connecting structure resists various external forces and prevents the problems of loosening and disjointing at the interface.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to reinforced concrete pipeline field especially relates to a large diameter reinforced concrete pipeline interface structure. BACKGROUND

[0002] The traditional large diameter reinforced concrete pipeline interface often adopts simple flat mouth butt joint mode, and the flat mouth butt joint mode only directly butt joins the flat mouths of two pipeline sections, and the connection mode is extremely basic.

[0003] The single connection mode makes the pipeline weak in resistance when facing complex external force. For example, in some large municipal drainage engineering, the pipeline with the traditional flat mouth butt joint mode is prone to loosening between the interfaces under the action of long-term scouring of water flow and slight displacement caused by foundation settlement, leading to the decline of the sealing property of the interfaces, even the disconnection phenomenon, and affecting the normal operation of the drainage system. SUMMARY

[0004] The utility model discloses a large diameter reinforced concrete pipeline interface structure to solve the problems in the above background.

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

[0006] A large diameter reinforced concrete pipeline interface structure, comprising: a first interface structure and a second interface structure, a pipeline body is arranged between the first interface structure and the second interface structure;

[0007] The first interface structure comprises a connecting pipe one fixed to the outer side of the pipeline body, a plug-in pipe and a connecting plate one are respectively fixed to one side of the connecting pipe one, and a protruding block is fixed to the outer side of the plug-in pipe.

[0008] The second interface structure comprises a connecting pipe two fixed to the outer side of the pipeline body, a reserved port and a groove are respectively arranged on one side of the connecting pipe two, and a connecting plate two is fixed to one side of the connecting pipe two.

[0009] The connecting and fixing mode is that the inner side walls of the connecting pipe one and the connecting pipe two are pretreated (such as rust removal or roughening) and coated with epoxy resin adhesive to enhance the adhesion between the connecting pipe one, the connecting pipe two and the concrete. The pipeline body, the connecting pipe one and the connecting pipe two are cement mortar bonded and fixed through the concrete, so that the stability of the interface is ensured. Then, the bolt fixing is carried out, screw holes are arranged on the connecting plate one and the connecting plate two, and the bolt fixing is carried out, so that the stability and safety of the interface structure are further enhanced.

[0010] Preferably, the protruding block is provided with at least four groups and arranged in a circular array.

[0011] Preferably, the inner side wall of the reserved port is in close contact with the outer side wall of the insertion pipe.

[0012] Preferably, the inner side wall of the recess is in close contact with the protrusion.

[0013] Preferably, the inner side wall of the first connecting pipe and the second connecting pipe is pretreated (rust removal or roughening), and the inner side wall is coated with an epoxy resin adhesive.

[0014] Preferably, the pipe body and the first connecting pipe and the pipe body and the second connecting pipe are cement mortar bonded and fixed by concrete.

[0015] Preferably, the first interface structure and the second interface structure are both made of steel.

[0016] Preferably, screw holes are formed in the first connecting plate and the second connecting plate, and the first connecting plate and the second connecting plate are bolted through the screw holes.

[0017] Compared with the prior art, the utility model provides a large-diameter reinforced concrete pipe interface structure, which has the following beneficial effects:

[0018] 1、 the utility model discloses that the interface structure adopts the combination of multiple connecting modes, ensures the stable connection between two pipes, the cooperation of the insertion pipe and the reserved port, the close contact of the protrusion and the recess and the bolt fixation of the connecting plate, and the three modes are complementary to each other, which enhances the stability of the connection from different angles, stably deals with these forces and maintains the stability of the pipe connection, and the problems of the loosening and disconnection of the interface structure in resisting various external forces are solved.

[0019] 2、 the utility model discloses that the epoxy resin adhesive is coated on the inner side wall of the connecting pipe, and then the connecting pipe and the pipe body are cement mortar bonded and fixed, the cement mortar has high compressive strength and adhesive force, can fill the gap between the connecting pipe and the pipe body, provides strong supporting force, the epoxy resin adhesive has good adhesion and chemical corrosion resistance, further enhances the close connection and durability of the connection, and this inside-out combined fixation mode makes the interface stable in the long-term use process, whether the internal fluid pressure or the external soil pressure can be maintained, greatly prolongs the service life of the pipe. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings described in the following only represent some of the embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative labor on the basis of these drawings.

[0021] Figure 1 A three-dimensional structure schematic diagram of a large-diameter reinforced concrete pipeline interface structure is provided for the present application.

[0022] Figure 2 A first interface structure schematic diagram of a large-diameter reinforced concrete pipeline interface structure is provided for the present application.

[0023] Figure 3 A second interface structure schematic diagram of a large-diameter reinforced concrete pipeline interface structure is provided for the present application.

[0024] Figure 4 A cutaway exploded structure schematic diagram of a large-diameter reinforced concrete pipeline interface structure is provided for the present application.

[0025] Figure 5 A cutaway structure schematic diagram of a large-diameter reinforced concrete pipeline interface structure is provided for the present application.

[0026] In the drawings:

[0027] 1, first interface structure; 11, connecting pipe one; 12, plug-in pipe; 13, protruding block; 14, connecting plate one; 2, second interface structure; 21, connecting pipe two; 22, reserved port; 23, groove; 24, connecting plate two; 3, pipeline body. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, but not all the embodiments.

[0029] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. EMBODIMENT

[0030] ReferenceFigures 1-5 A large-diameter reinforced concrete pipeline interface structure, comprising: a first interface structure 1 and a second interface structure 2, and a pipeline body 3 is arranged between the first interface structure 1 and the second interface structure 2; wherein

[0031] The first interface structure 1 comprises a connecting pipe one 11 fixed to the outside of the pipeline body 3, a plug-in pipe 12 and a connecting plate one 14 are respectively fixed to one side of the connecting pipe one 11, and a protrusion 13 is fixed to the outside of the plug-in pipe 12; and

[0032] The second interface structure 2 comprises a connecting pipe two 21 fixed to the outside of the pipeline body 3, a reserved port 22 and a groove 23 are respectively arranged on one side of the connecting pipe two 21, and a connecting plate two 24 is fixed to one side of the connecting pipe two 21.

[0033] The connecting and fixing mode: the inner walls of the connecting pipe one 11 and the connecting pipe two 21 are pretreated (such as rust removal or roughening), and epoxy resin adhesive is applied to enhance the adhesion between the connecting pipe one 11 and the connecting pipe two 21 and the concrete. Then, the pipeline body 3 and the connecting pipe one 11, and the pipeline body 3 and the connecting pipe two 21 are cement mortar bonded and fixed by the concrete, to ensure the stability of the interface. Then, bolt fixing is performed, screw holes are arranged on the connecting plate one 14 and the connecting plate two 24, and the bolt is used for fixing, to further enhance the stability and safety of the interface structure.

[0034] The protrusions 13 are arranged in at least four groups and in a circular array.

[0035] The inner wall of the reserved port 22 is in close contact with the outer wall of the plug-in pipe 12.

[0036] The inner wall of the groove 23 is in close contact with the protrusion 13.

[0037] The inner walls of the connecting pipe one 11 and the connecting pipe two 21 are pretreated by rust removal or roughening, and the inner walls are coated with epoxy resin adhesive.

[0038] The pipeline body 3 and the connecting pipe one 11, and the pipeline body 3 and the connecting pipe two 21 are cement mortar bonded and fixed by the concrete.

[0039] The first interface structure 1 and the second interface structure 2 are made of steel.

[0040] Screw holes are arranged on the connecting plate one 14 and the connecting plate two 24, and the connecting plate one 14 and the connecting plate two 24 are bolted by the screw holes.

[0041] Working principle: please refer to Figures 1-5As shown, first, a large diameter reinforced concrete pipe interface structure of the embodiment, the structure is composed of the first interface structure 1 and the second interface structure 2, which are connected with the pipe body 3 through a specific way respectively, and realize the stable connection between them.

[0042] The first interface structure 1 includes the connecting pipe one 11 fixed to the outer side of the pipe body 3 as the main part of the connection. The plug-in pipe 12 extends from one side of the connecting pipe one 11, used for inserting into the reserved port 22 of the second interface structure 2. The protruding block 13 is fixed to the outer side of the plug-in pipe 12, at least four groups, arranged in a circular array, used for close contact with the groove 23 of the second interface structure 2, to enhance the stability of the connection. The connecting plate one 14 is fixed to one side of the connecting pipe one 11, provided with screw holes, used for fixing with the connecting plate two 24 of the second interface structure 2 through bolts.

[0043] The second interface structure 2 includes the connecting pipe two 21 fixed to the outer side of the pipe body 3, corresponding to the connecting pipe one 11 of the first interface structure 1. The reserved port 22 is opened on one side of the connecting pipe two 21, used for receiving the plug-in pipe 12 of the first interface structure 1. The groove 23 is opened on one side of the connecting pipe two 21, corresponding to the protruding block 13 of the first interface structure 1, used for close contact and fixing the protruding block 13. The connecting plate two 24 is fixed to one side of the connecting pipe two 21, provided with screw holes, corresponding to the connecting plate one 14 of the first interface structure 1, used for fixing through bolts.

[0044] When two large diameter reinforced concrete pipes need to be connected, the inner walls of the connecting pipe one 11 and the connecting pipe two 21 are coated with epoxy resin adhesive before connection, and then fixed by pouring cement mortar between the pipe body 3, so that the entire interface structure can maintain stable under the action of internal and external forces. Then the plug-in pipe 12 of the first interface structure 1 is accurately inserted into the reserved port 22 of the second interface structure 2, and the protruding block 13 is in close contact with the groove 23. Then the bolts are installed on the connecting plate one 14 and the connecting plate two 24 through the screw holes, and fastened, completing the installation.

Claims

1. A large diameter reinforced concrete pipe joint structure comprising: The first interface structure (1) and the second interface structure (2) are characterized in that a pipeline body (3) is arranged between the first interface structure (1) and the second interface structure (2); The first interface structure (1) comprises a connecting pipe I (11) fixed to the outer side of the pipeline body (3), one side of the connecting pipe I (11) is respectively fixed with a plug-in pipe (12) and a connecting plate I (14), and the outer side of the plug-in pipe (12) is fixed with a protruding block (13); The second interface structure (2) comprises a connecting pipe II (21) fixed to the outer side of the pipeline body (3), one side of the connecting pipe II (21) is respectively provided with a reserved port (22) and a groove (23), and one side of the connecting pipe II (21) is fixed with a connecting plate II (24).

2. A large diameter reinforced concrete pipe joint structure according to claim 1, characterized in that, The protruding block (13) is provided with at least four groups and is arranged in a circular array.

3. A large diameter reinforced concrete pipe joint structure according to claim 1, wherein The inner side wall of the reserved port (22) and the outer side wall of the plug-in pipe (12) are in close contact.

4. A large diameter reinforced concrete pipe joint structure according to claim 1, wherein The inner side wall of the groove (23) is in close contact with the protruding block (13).

5. A large diameter reinforced concrete pipe joint structure according to claim 1, wherein The inner side walls of the connecting pipe I (11) and the connecting pipe II (21) are pretreated, and the inner side walls are coated with epoxy resin adhesive.

6. A large diameter reinforced concrete pipe joint structure according to claim 1, wherein The pipeline body (3) and the connecting pipe I (11), and the pipeline body (3) and the connecting pipe II (21) are cement mortar bonded and fixed by concrete.

7. A large diameter reinforced concrete pipe joint structure according to claim 1, wherein The first interface structure (1) and the second interface structure (2) are made of steel material.

8. A large diameter reinforced concrete pipe joint structure according to claim 1, wherein Screw holes are formed in the connecting plate I (14) and the connecting plate II (24), and the connecting plate I (14) and the connecting plate II (24) are bolted through the screw holes.