CN214946856U

CN214946856U - Steel bending reinforcing structure for PE traction pipe end interface

Info

Publication number: CN214946856U
Application number: CN202121354864.5U
Authority: CN
Inventors: 胡正成; 笪跃武; 袁君
Original assignee: Wuxi Urban And Rural Water Supply And Drainage Engineering Design Institute Co ltd
Current assignee: Wuxi Urban And Rural Water Supply And Drainage Engineering Design Institute Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-30
Anticipated expiration: 2031-06-18

Abstract

The utility model belongs to the technical field of the PE traction tube, a curved reinforced structure of steel for PE pulls pipe end kneck is disclosed, including the steel curved, first linking subassembly, flexible subassembly and two PE flanges, the curved left side of steel is provided with first PE pipe, the curved and first PE pipe of steel is through first linking subassembly fixed connection, the curved right side of steel is provided with second PE pipe, the curved and second PE pipe of steel is through flexible subassembly swing joint, the right side of second PE pipe is provided with nodular bearing disk nozzle stub, second PE pipe and nodular bearing disk nozzle stub are through two PE flange fixed connection, the right side fixedly connected with nodular cast iron pipe of nodular bearing disk nozzle stub. The steel bending section belongs to a rigid structure, the firm stable pressure resistance is strong, the problem that the PE elbow is easy to break due to large stress at the soil entering end and the soil discharging end in traction construction is solved, the steel bending upper opening is connected with the three-way exhaust valve, the operation is more convenient, the time is saved, and the arrangement of the blocking pier and the pouring of the exhaust valve well at the elbow are facilitated.

Description

Steel bending reinforcing structure for PE traction pipe end interface

Technical Field

The application relates to the technical field of PE traction pipes, in particular to a steel bending reinforcing structure for a PE traction pipe end interface.

Background

Because of the mismatch of rapid development of urban construction and pipeline planning and updating, a plurality of water supply and gas pipelines need to be laid across roads, and the traditional excavation direct burial obviously causes influence on road traffic, more and more projects adopt a traction mode to cross roads or barriers.

When the pipeline is laid by a horizontal directional drilling method, the pipeline needs to bear pulling force in construction, the existing PE pipe has the defects of poor pressure resistance and easiness in cracking, and in the pulling process, particularly, the starting point elbow position and the terminal point elbow position are frequently broken and cracked due to large stress.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the existing PE pipe is broken and cracked frequently due to large stress at the positions of a starting point elbow and a terminal point elbow in the traction process, the application provides a steel bending reinforcing structure for the end interface of the PE traction pipe.

The application provides a curved reinforced structure of steel for PE draws pipe end kneck adopts following technical scheme:

the steel bending reinforcing structure comprises a steel bend, a first linking assembly, a telescopic assembly and two PE flanges, wherein a first PE pipe is arranged on the left side of the steel bend, the steel bend and the first PE pipe are fixedly connected through the first linking assembly, a second PE pipe is arranged on the right side of the steel bend, the steel bend and the second PE pipe are movably connected through the telescopic assembly, a nodular bearing disc short pipe is arranged on the right side of the second PE pipe, the second PE pipe and the nodular bearing disc short pipe are fixedly connected through the two PE flanges, and a nodular cast iron pipe is fixedly connected to the right side of the nodular bearing disc short pipe.

Furthermore, first linking subassembly includes first flange and second flange, first flange is located the right side of second flange, first flange and the curved fixed connection of steel, second flange and first PE pipe fixed connection.

Furthermore, flexible subassembly includes third flange, telescopic joint and fourth flange, third flange fixed connection is in the left side of telescopic joint, the third flange with just turn fixed connection, fourth flange fixed connection is on the right side of telescopic joint, fourth flange and second PE pipe fixed connection.

Furthermore, the first flange and the third flange are made of stainless steel, and the second flange and the fourth flange are made of PE.

Further, the upside of steel elbow is provided with the gate valve, be provided with the second between steel elbow and the gate valve and link up the subassembly, the upside of gate valve is provided with automatic exhaust valve.

Further, the second links up the subassembly and includes tee bend discharge valve and two steel flanges, tee bend discharge valve fixed mounting is on the curved outer wall of steel, through two steel flange fixed connection between tee bend discharge valve and the gate valve.

To sum up, the application comprises the following beneficial technical effects:

(1) the steel elbow is welded according to the angle to be adjusted, the steel elbow section belongs to a rigid structure, the steel elbow is firm and stable, the pressure resistance is strong, the problem that a PE elbow is easy to break due to large stress at the soil inlet end and the soil outlet end in traction construction is solved, the steel elbow is provided with a hole to be connected with a three-way exhaust valve, the operation is more convenient, the time is saved, and a blocking pier and a pouring exhaust valve well are convenient to arrange at the elbow;

(2) the structure mainly solves the problems of snapping, dragging and the like caused by large stress at the elbow part at the soil inlet end and the soil outlet end of the PE traction pipe, and then the expansion joint plays a role in compensating the axial, transverse and angular thermal deformation of the absorption pipeline in order to conveniently and quickly install the exhaust valve on site and pour the blocking pier.

Drawings

FIG. 1 is a schematic structural diagram of a PE pipe as a traction pipe section and a spherical ink pipe as a front section and a rear section;

fig. 2 is a schematic structural diagram of the present application in which the traction pipe section is a PE pipe and the front and rear sections are PE pipes.

The reference numbers in the figures illustrate:

1. bending steel; 2. a first PE tube; 3. a second PE tube; 4. a short nodular bearing disk pipe; 5. a ductile iron pipe; 6. a first flange; 7. a second flange; 8. a third flange; 9. a fourth flange; 10. a gate valve; 11. an automatic exhaust valve; 12. a three-way exhaust valve; 13. a steel flange; 14. an expansion joint; 15. and (3) PE flanges.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example (b):

the present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a curved reinforced structure of steel for PE pulls pipe end kneck, please refer to fig. 1, including steel curved 1, first linking subassembly, flexible subassembly and two PE flanges 15, the left side of steel curved 1 is provided with first PE pipe 2, steel curved 1 and first PE pipe 2 are through first linking subassembly fixed connection, the right side of steel curved 1 is provided with second PE pipe 3, steel curved 1 and second PE pipe 3 are through flexible subassembly swing joint, the right side of second PE pipe 3 is provided with nodular dish flange nozzle stub 4, second PE pipe 3 and nodular dish flange nozzle stub 4 are through two PE flanges 15 fixed connection, the right side fixed connection of nodular dish flange stub 4 has nodular cast iron pipe 5. More specifically, the steel elbow 1 section belongs to the rigid structure, and is firm stable compressive capacity is strong, has solved the end of ingressing, unearthing in the traction construction and has adopted the easy problem of breaking of PE elbow because of the atress is big.

First linking up the subassembly and including first flange 6 and second flange 7, first flange 6 is located the right side of second flange 7, first flange 6 and the curved 1 fixed connection of steel, second flange 7 and first PE pipe 2 fixed connection, flexible subassembly includes third flange 8, telescopic joint 14 and fourth flange 9, 8 fixed connection in the left side of telescopic joint 14 of third flange, third flange 8 and just curved fixed connection, fourth flange 9 fixed connection is on the right side of telescopic joint 14, fourth flange 9 and 3 fixed connection of second PE pipe, first flange 6 and third flange 8 are stainless steel, second flange 7 and fourth flange 9 are the PE material. More specifically, the expansion joint 14 compensates for absorbing axial, lateral and angular thermal deformations of the conduit.

The upside of the curved 1 of steel is provided with gate valve 10, is provided with the second between curved 1 of steel and the gate valve 10 and links up the subassembly, and the upside of gate valve 10 is provided with automatic exhaust valve 11, and the second links up the subassembly and includes tee bend discharge valve 12 and two steel flanges 13, and tee bend discharge valve 12 fixed mounting is on the curved 1 outer wall of steel, through two steel flanges 13 fixed connection between tee bend discharge valve 12 and the gate valve 10.

The implementation principle of the steel bending reinforcing structure for the PE traction pipe end interface is as follows: the steel elbow 1 is customized at the soil inlet end and the soil outlet end of the traction pipe, the angle and the length can be adjusted according to the field condition, after the PE traction pipe finishes the directional crossing construction, the steel elbow 1 is welded according to the angle adjusted according to the requirement, the steel elbow 1 section belongs to a rigid structure, the steel elbow is firm and stable, the pressure resistance is strong, the problem that the PE elbow is easy to break due to large stress at the soil inlet end and the soil outlet end in the traction construction is solved, a hole on the steel elbow 1 is connected with a three-way exhaust valve 12, the operation is more convenient and the time is saved, a blocking pier and a pouring exhaust valve well are conveniently arranged at the elbow, the length of the steel elbow 1 is adjusted according to the installation positions of the three-way exhaust valve 12 and the valve well and the surrounding environment, a telescopic joint 14 is connected behind the steel elbow 1, a pipeline is connected behind the telescopic joint 14, the structure mainly solves the problems of breaking, dragging and the like caused by large stress at the soil outlet end and the soil inlet end elbow of the PE traction pipe, and then the exhaust valve and the pouring blocking pier are quickly installed for the convenience in the field, the expansion joint 14 serves to compensate for the absorption of axial, transverse and angular thermal deformations of the pipe.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a curved reinforced structure of steel that is used for PE to pull pipe end kneck which characterized in that: the steel pipe joint comprises a steel bend (1), a first linking assembly, a telescopic assembly and two PE flanges (15), wherein a first PE pipe (2) is arranged on the left side of the steel bend (1), the steel bend (1) and the first PE pipe (2) are fixedly connected through the first linking assembly, a second PE pipe (3) is arranged on the right side of the steel bend (1), the steel bend (1) and the second PE pipe (3) are movably connected through the telescopic assembly, a nodular bearing disc short pipe (4) is arranged on the right side of the second PE pipe (3), the second PE pipe (3) and the nodular bearing disc short pipe (4) are fixedly connected through the two PE flanges (15), and a nodular cast iron pipe (5) is fixedly connected to the right side of the nodular bearing disc short pipe (4).

2. A steel bend stiffener structure for a PE traction pipe end interface as claimed in claim 1, wherein: the first connecting assembly comprises a first flange (6) and a second flange (7), the first flange (6) is located on the right side of the second flange (7), the first flange (6) is fixedly connected with the steel bend (1), and the second flange (7) is fixedly connected with the first PE pipe (2).

3. A steel bend stiffener structure for a PE traction pipe end interface according to claim 2, wherein: the telescopic assembly comprises a third flange (8), a telescopic joint (14) and a fourth flange (9), the third flange (8) is fixedly connected to the left side of the telescopic joint (14), the third flange (8) is fixedly connected with a rigid bend, the fourth flange (9) is fixedly connected to the right side of the telescopic joint (14), and the fourth flange (9) is fixedly connected with the second PE pipe (3).

4. A steel bend stiffener structure for a PE traction pipe end interface according to claim 3, wherein: the first flange (6) and the third flange (8) are made of stainless steel, and the second flange (7) and the fourth flange (9) are made of PE.

5. A steel bend stiffener structure for a PE traction pipe end interface as claimed in claim 1, wherein: the upside of steel curved (1) is provided with gate valve (10), be provided with the second between steel curved (1) and gate valve (10) and link up the subassembly, the upside of gate valve (10) is provided with air relief valve (11).

6. A steel bend reinforcement structure for PE traction pipe end interface as claimed in claim 5, wherein: the second links up the subassembly and includes tee bend discharge valve (12) and two steel flanges (13), tee bend discharge valve (12) fixed mounting is on the outer wall of steel elbow (1), through two steel flanges (13) fixed connection between tee bend discharge valve (12) and gate valve (10).