CN219242847U

CN219242847U - Gas pipe subsides compensation structure

Info

Publication number: CN219242847U
Application number: CN202222983636.5U
Authority: CN
Inventors: 邓赛; 彭靖; 麦志健; 江恒; 苏雾观
Original assignee: Shunde Hong Kong And China Gas Co ltd
Current assignee: Shunde Hong Kong And China Gas Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-06-23
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a gas pipe sedimentation compensation structure, which is characterized by comprising an anti-sedimentation mechanism, wherein the sedimentation compensation device comprises a plurality of sedimentation compensation elbow joints and a vertical pipe, the vertical pipe and the sedimentation compensation elbow joints are connected end to form the anti-sedimentation mechanism, the sedimentation compensation elbow joints are in threaded connection with the vertical pipe, the sedimentation of natural gas is reduced through the sedimentation compensation elbow joints, and then the natural gas is output from the vertical pipe at the other end. According to the utility model, the internal stress of the natural gas during transportation is reduced by arranging the settlement compensation elbow joint, so that the settlement of the device is prevented, and the service life of the device is prolonged.

Description

Gas pipe subsides compensation structure

Technical Field

The utility model relates to the field of natural gas pipeline transportation, in particular to a sedimentation compensation structure of a gas pipe.

Background

With the development of society, natural gas pipelines have entered into households, with the consequent problems of pipeline construction and maintenance. Over time, some old pipes expose some pipeline sedimentation caused by defects of construction materials, processes and the like, and the sedimentation directly causes serious damage to a part of pipelines, so that the damage of uneven sedimentation to pipe networks and community risers is obvious, and the operation safety is seriously endangered. Chinese patent publication No. CN210484820U discloses a support frame that natural gas pipeline subsided that prevents in 2020-05-08, including floor and support frame, the support frame is along the both sides position of floor axis symmetry fixed setting upper surface, and two sets of slide in vertical direction between the support frame is equipped with the mounting bracket, two sets of spacing grooves have been seted up on the surface of floor to the below of mounting bracket be equipped with hydraulic ejector pin in the spacing groove, the flexible end of hydraulic ejector pin is fixedly connected with the both ends of bracket. The pipeline horizontal position adjusting device is simple in structure, convenient to use, capable of adjusting the horizontal position of the pipeline quickly, capable of avoiding pipeline damage caused by local sinking of the pipeline, convenient and quick in adjusting process, high in practicality and convenient to popularize and use. However, the support frame for preventing the natural gas pipeline from sedimentation disclosed in the patent has the following defects: 1. the support frame is more complicated to install and is inconvenient to replace when abrasion occurs. 2. The support frame stably fixes the pipeline, and internal stress of natural gas in the pipeline is not considered, so that abrasion of the pipeline can be accelerated.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a sedimentation compensation structure of a gas pipe, which has the advantages of simple structure and long service life.

In order to achieve the above object, the present utility model provides the following solutions: comprises an upper vertical pipe and a lower vertical pipe which are fixedly arranged on a wall surface, and a sedimentation compensation device connected between the upper vertical pipe and the lower vertical pipe; the upper vertical pipe and the lower vertical pipe extend along two non-intersecting vertical straight lines respectively; the settlement compensation device comprises two settlement compensation elbow joints and a connecting pipeline connected between the two settlement compensation elbow joints, the two settlement compensation elbow joints are respectively in threaded connection with the upper vertical pipe and the lower vertical pipe, and when settlement occurs, the settlement compensation device and the upper vertical pipe and the lower vertical pipe rotate relatively along the screw tightening direction. The beneficial effects of the utility model are as follows: the settlement compensation elbow in the settlement compensation device is also provided with a rotatable space, when settlement occurs, the relative height between the upper stand pipe and the lower stand pipe can generate certain change, so that the settlement compensation elbow and the upper stand pipe and the lower stand pipe rotate relatively to enable the settlement compensation device to swing integrally, the upper stand pipe and the lower stand pipe still keep connection, the stress generated by the settlement of the upper stand pipe and the lower stand pipe is reduced, and the upper stand pipe and the lower stand pipe are protected from damage caused by overlarge stress born by the upper stand pipe and the lower stand pipe.

Preferably, the connecting pipe is of a C-shaped structure and comprises a first pipe section, a second pipe section and a third pipe section, the first pipe section and the third pipe section are respectively in threaded connection with the two settlement compensation elbow joints, the first pipe section and the third pipe section are perpendicular to the wall surface, and the second pipe section is connected between the first pipe section and the third pipe section. The utility model prevents the whole pipeline from descending during sedimentation and reduces the abrasion caused by arranging the C-shaped connecting pipe structure.

Preferably, the connection pipe is integrally formed. The utility model is convenient to replace and produce by arranging the integrated structure.

Preferably, the second pipe section is connected with the first pipe section and the third pipe section through connecting elbows, the connecting elbows are connected with the first pipe section and the third pipe section in a threaded mode, and the connecting elbows rotate relative to the first pipe section and the third pipe section along the screwing direction when sedimentation occurs. The utility model can also relatively rotate after being connected with the first pipe section and the third pipe section through the connecting elbow, so that the whole swinging amplitude of the sedimentation compensation device is larger.

Preferably, the device further comprises a connecting device, wherein the connecting device comprises a clamp and a switch valve, the clamp is used for fixing the upper vertical pipe on a wall, the switch valve is arranged below the lower vertical pipe, and natural gas enters the sedimentation compensation device through the lower vertical pipe. The utility model is convenient for replacing the natural gas pipeline component by arranging the switch valve.

Preferably, a sealing rubber ring is further arranged at the joint between the settlement compensation elbow joint and the ports of the upper vertical pipe and the lower vertical pipe, and at least one circle of threads is reserved between the settlement compensation elbow joint and the upper vertical pipe or the lower vertical pipe after the sealing rubber ring is matched and pressed by the settlement compensation elbow joint and the upper vertical pipe or the lower vertical pipe. According to the utility model, the sealing rubber ring is arranged at the joint between the settlement compensation elbow joint and the ports of the upper vertical pipe and the lower vertical pipe, so that the air tightness of the connecting device is improved, and the leakage of natural gas is prevented.

Preferably, a grounding wire is connected among the upper vertical pipe, the settlement compensation device and the lower vertical pipe. According to the utility model, the grounding wire for lightning protection is connected, so that the risks of leakage and explosion of natural gas caused by lightning strike are reduced.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a partial enlargement of the present utility model.

FIG. 3 is a schematic view of a settlement compensating elbow of the present utility model.

FIG. 4 is a schematic illustration of the connection of a settlement compensating elbow to a riser in accordance with the present utility model.

FIG. 5 is a schematic perspective view of the sedimentation of the present utility model.

The device comprises a 1-switch valve, a 2-clamp, a 31-upper vertical pipe, a 32-lower vertical pipe, a 4-settlement compensation elbow joint, a 51-first pipe section, a 52-second pipe section, a 53-third pipe section, a 54-connecting elbow, a 6-sealing rubber ring and a 7-ground lead.

Detailed Description

The technical scheme claimed in the utility model will now be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 4, a gas pipe settlement compensation structure in this embodiment includes an upper riser 31, a lower riser 32, a settlement compensation device, a switch valve 1, and a clip 2, wherein the clip 2 is fixedly mounted on a wall surface with the upper riser 31, the switch valve 1 is mounted below the lower riser 32 for controlling gas input, the settlement compensation device is disposed between the upper riser 31 and the lower riser 32, the settlement compensation device is composed of two settlement compensation elbow joints 4 and a connecting pipe connected between the two settlement compensation elbow joints 4, the two settlement compensation elbow joints 4 are respectively in threaded connection with the upper riser 31 and the lower riser 32, and when settlement occurs, the settlement compensation elbow joints 4 and the upper riser 31 and the lower riser 32 can relatively rotate along a threaded tightening direction.

In addition, the connecting pipe is integrally formed and is of a C-shaped structure, and comprises a first pipe section 51, a second pipe section 52, a third pipe section 53 and a connecting elbow 54, wherein the first pipe section 51 and the third pipe section 53 are respectively in threaded connection with the two settlement compensation elbow joints 4, the first pipe section 51 and the third pipe section 53 are perpendicular to a wall surface, the first pipe section 51 and the third pipe section 53 are in threaded connection with the second pipe section 52 through the connecting elbow 54, when settlement occurs, the connecting elbow 54 and the first pipe section 51 and the third pipe section 53 rotate relatively along the threaded tightening direction, and the rotation axis is perpendicular to the wall surface.

In addition, the connection part of the settlement compensation elbow 4 and the ports of the upper vertical pipe 31 and the lower vertical pipe 32 is also provided with a sealing rubber ring 6 for increasing the tightness of the device, at least one circle of threads is reserved when the settlement compensation elbow 4 is connected with the upper vertical pipe 31 or the lower vertical pipe 32, and when settlement occurs, the sealing rubber ring 6 can ensure the tightness of the device after being pressed by the settlement compensation elbow 4 and the upper vertical pipe 31 or the lower vertical pipe 32.

In addition, the upper riser 31, the settlement compensating device and the lower riser 32 are connected with the grounding wire 7, and the grounding wire 7 can guide lightning into the wall body, so that the risk of leakage and explosion of natural gas due to lightning strike is reduced.

In this embodiment, a gas pipe settlement compensation structure is installed as follows: firstly, the natural gas delivery end is closed, the switch valve 1 is installed below the lower vertical pipe 32, secondly, the first pipe section 51, the second pipe section 52 and the third pipe section 53 in the connecting pipe are connected through connecting bends 54 in a threaded manner, the first pipe section 51 and the third pipe section 53 are perpendicular to the wall surface, the second pipe section 52 is connected between the first pipe section 51 and the third pipe section 53, the connecting pipe is in a C-shaped structure after connection is completed, then, the first pipe section 51 is connected with the upper vertical pipe 31 through sedimentation compensation bends in a threaded manner, a sealing rubber ring 6 for enhancing the tightness of the device is arranged in the sedimentation compensation bends, meanwhile, the third pipe section 53 is connected with the lower vertical pipe 32 through sedimentation compensation bends in a threaded manner, a sealing rubber ring 6 for enhancing the tightness of the device is also arranged in the sedimentation compensation bends, after the sealing rubber ring 6 is matched and compressed by the sedimentation compensation bends 4 and the upper vertical pipe 31 or the lower vertical pipe 32, at least one circle of threads are reserved between the sedimentation compensation bends 4 and the upper vertical pipe 31 or the lower vertical pipe 32, a grounding wire 7 for lightning protection is connected between the upper vertical pipe 31, the sedimentation compensation device and the lower vertical pipe 32, and finally, the sealing rubber ring 6 is fixed on the wall surface through the clamp 2.

When settlement occurs, the upper stand pipe 31 and the lower stand pipe 32 are mutually extruded, and larger internal stress is generated, the internal stress extrudes the connecting pipe in a C-shaped structure, wherein a circle of threads are reserved in the settlement compensation elbow joint 4 in the connecting pipe, the structure can enable the settlement compensation elbow joint 4 to rotate after being connected with the upper stand pipe 31 and the lower stand pipe 32, and the connecting pipe is not fixed through rotation, so that the internal stress is reduced.

The above-described embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the present utility model in any way. Any person skilled in the art can make many more possible variations and modifications of the technical solution of the present utility model or modify equivalent embodiments without departing from the scope of the technical solution of the present utility model by using the technical content disclosed above. Therefore, all equivalent changes according to the inventive concept are covered by the protection scope of the utility model without departing from the technical scheme of the utility model.

Claims

1. The utility model provides a gas pipe subsides compensation structure which characterized in that: comprises an upper vertical pipe (31) fixedly arranged on a wall surface, a lower vertical pipe (32) and a sedimentation compensation device connected between the upper vertical pipe (31) and the lower vertical pipe (32); the upper vertical pipe (31) and the lower vertical pipe (32) respectively extend along two non-intersecting vertical straight lines; the settlement compensation device comprises two settlement compensation elbow joints (4) and connecting pipes connected between the two settlement compensation elbow joints (4), the two settlement compensation elbow joints (4) are respectively in threaded connection with the upper vertical pipe (31) and the lower vertical pipe (32), and when settlement occurs, the settlement compensation device and the upper vertical pipe (31) and the lower vertical pipe (32) rotate relatively along the threaded tightening direction.

2. The fuel gas pipe settlement compensation structure according to claim 1, wherein: the connecting pipe is of a C-shaped structure and comprises a first pipe section (51), a second pipe section (52) and a third pipe section (53), the first pipe section (51) and the third pipe section (53) are respectively in threaded connection with the two settlement compensation elbow joints (4), the first pipe section (51) and the third pipe section (53) are perpendicular to the wall surface, and the second pipe section (52) is connected between the first pipe section (51) and the third pipe section (53).

3. A fuel gas pipe settlement compensation structure as claimed in claim 1 or 2, wherein: the connecting pipe is integrally formed.

4. The fuel gas pipe settlement compensation structure according to claim 2, wherein: the second pipe section (52) is connected with the first pipe section (51) and the third pipe section (53) through a connecting elbow (54), the connecting elbow (54) is connected with the first pipe section (51) and the third pipe section (53) through threads, when sedimentation occurs, the connecting elbow (54) and the first pipe section (51) and the third pipe section (53) rotate relatively along the screw tightening direction, and the rotation axis is perpendicular to the wall surface.

5. The fuel gas pipe settlement compensation structure according to claim 1, wherein: still include connecting device, connecting device is including clamp (2), ooff valve (1), clamp (2) will go up riser (31) are fixed in on the wall, ooff valve (1) set up in lower riser (32) below, natural gas passes through lower riser (32) enters into in the subsidence compensation arrangement.

6. The fuel gas pipe settlement compensation structure according to claim 1, wherein: and a sealing rubber ring (6) is further arranged at the joint between the settlement compensation elbow joint (4) and the ports of the upper vertical pipe (31) and the lower vertical pipe (32), and at least one circle of threads is reserved between the settlement compensation elbow joint (4) and the upper vertical pipe (31) or the lower vertical pipe (32) after the sealing rubber ring (6) is matched and pressed by the settlement compensation elbow joint (4) and the upper vertical pipe (31) or the lower vertical pipe (32).

7. The fuel gas pipe settlement compensation structure according to claim 1, wherein: and a grounding wire (7) is connected among the upper vertical pipe (31), the settlement compensation device and the lower vertical pipe (32).