CN217843176U

CN217843176U - Prefabricated direct-burried insulating tube compensator

Info

Publication number: CN217843176U
Application number: CN202222322471.7U
Authority: CN
Inventors: 朱雪松; 陈鹏; 冯清海; 邢元斌; 劳帮壮
Original assignee: Haikou Power Plant of Huaneng Hainan Power Generation Co Ltd
Current assignee: Haikou Power Plant of Huaneng Hainan Power Generation Co Ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-11-18
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses a prefabricated direct-buried insulating pipe compensator, which comprises a sleeve, a fixed end pipe and a movable end pipe which are coaxially arranged on the sleeve, a left ring and a right ring which are rotatably arranged in the sleeve, a plurality of rib plates which are evenly distributed along the circumferential direction of the cross section of the sleeve are arranged between the left ring and the right ring; a guide disc is fixedly arranged on the movable end pipe, a through hole matched with the rib plate is formed in the guide disc, a corrugated pipe is sleeved on the movable end pipe between the guide disc and the right ring, and two ends of the corrugated pipe are fixedly connected with the guide disc and the right ring respectively; the utility model discloses well left side ring, positioning disk and the right ring of using replace the bellows to bear the torsional force, even the pipeline of compensator both sides takes place a certain amount of relative rotation and also can not cause the damage to the bellows to make more surely and quick of pipe connection work progress, be favorable to the permanent safe operation of compensator and pipeline.

Description

Prefabricated direct-burried insulating tube compensator

Technical Field

The utility model relates to a pipeline compensator field, concretely relates to prefabricated direct-burried insulating tube compensator.

Background

The pipeline compensator is also called as a telescopic device or a telescopic joint or an expansion joint, is mainly used for compensating thermal expansion and cold contraction of a pipeline caused by temperature change, and plays an important role in ensuring long-term normal operation of the pipeline as an important component of pipeline engineering; as is well known, most of the expansion elements of the existing compensator are metal corrugated pipes, and the wall thickness of the metal corrugated pipe is very small, so that the pipe compensator cannot bear torsion, and once the pipe compensator bears circumferential torsion, the metal corrugated pipe deforms, so that the expansion performance of the metal corrugated pipe is affected, and the function of the compensator fails in a serious case; therefore, the two side pipelines must be carefully moved when the compensator is installed, which brings certain limitation and inconvenience to field construction and has great improvement and lifting space.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims to provide a prefabricated direct-burried insulating tube compensator, it has effectively solved the problem that exists among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a prefabricated direct-buried thermal insulation pipe compensator comprises a sleeve, and a fixed end pipe and a movable end pipe which are coaxially arranged on the sleeve, wherein a left ring and a right ring are rotatably arranged in the sleeve, a plurality of rib plates are arranged between the left ring and the right ring, and the plurality of rib plates are uniformly distributed along the circumferential direction of the cross section of the sleeve; the movable end pipe is fixedly provided with a guide disc, the guide disc is provided with a through hole matched with the rib plate, the movable end pipe between the guide disc and the right ring is sleeved with a corrugated pipe, and two ends of the corrugated pipe are fixedly connected with the guide disc and the right ring respectively.

Furthermore, a ring groove matched with the left ring and the right ring is arranged in the sleeve.

Furthermore, the right ring and the sleeve are respectively provided with an auxiliary positioning ring edge, and the two auxiliary positioning ring edges can be matched together in a relatively rotating mode.

Furthermore, lubricating liners are respectively arranged on the inner side of the ring groove and between the two auxiliary positioning rings.

Furthermore, a lubricating liner is also arranged between the movable end pipe and the sleeve in a matching manner.

Furthermore, the material of the lubricating liner is polytetrafluoroethylene.

Further, the cross section of the rib plate is arc-shaped.

The utility model discloses following beneficial technological effect has:

the utility model discloses in use left ring, deflector and right ring to replace the bellows to bear torsional force, the pipeline of compensator both sides even take place a certain amount of relative rotations can not cause the damage to the bellows yet to make the pipe connection work progress more surely and fast, be favorable to the permanent safe operation of compensator and pipeline; the utility model has the advantages of this application modern design, the installation is simple and convenient, has very strong practicality.

Drawings

FIG. 1 is a front view of the internal structure of the embodiment of the present invention;

fig. 2 is a left side view of the assembly structure of the movable end pipe and the rib plate in the embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and fig. 2, the compensator for the prefabricated directly-buried thermal insulation pipe according to the embodiment includes a sleeve 1, and a fixed end pipe 2 and a movable end pipe 3 coaxially disposed on the sleeve 1, wherein the fixed end pipe 2 is fixedly disposed on the sleeve 1, a left ring 4 and a right ring 5 are rotatably disposed in the sleeve 1, six rib plates 6 are disposed between the left ring 4 and the right ring 5, the cross sections of the rib plates 6 are arc-shaped, the six rib plates 6 are uniformly distributed along the circumferential direction of the cross section of the sleeve 1, and the structure between the left ring 4 and the right ring 5 is more stable due to the combination of the rib plates 6, so that uniform motions of the left ring 4 and the right ring 5 can be ensured when a circumferential torsion force is borne; the movable end pipe 3 is fixedly provided with a guide disc 7, the guide disc 7 is provided with a through hole matched with the rib plate 6, the guide disc 7 can slide left and right on the rib plate 6, the movable end pipe 3 between the guide disc 7 and the right ring 5 is sleeved with a corrugated pipe 8, the corrugated pipe 8 is a metal corrugated pipe, and two ends of the corrugated pipe 8 are fixedly connected with the guide disc 7 and the right ring 5 respectively.

A ring groove matched with the left ring 4 and the right ring 5 is arranged in the sleeve 1, and a lubricating liner 9 is arranged on the inner side of the ring groove; the right ring 5 and the sleeve 1 are respectively provided with an auxiliary positioning ring edge 10, the two auxiliary positioning ring edges 10 can be matched together in a relatively rotating manner, the two auxiliary positioning ring edges 10 are matched to effectively ensure the stable posture of the right ring 5 when the guide disc 7 is gradually far away from the right ring 5, namely the corrugated pipe 8 is stretched, the right ring 5 fixed by a single ring groove is prevented from bending and inclining, and a lubricating liner 9 is also arranged between the two auxiliary positioning ring edges 10; a lubricating lining 9 is also arranged between the movable end pipe 3 and the sleeve 1 in a matching way, and the material of the lubricating lining 9 is polytetrafluoroethylene; the outside of the casing 1 may be wrapped with insulation as desired.

The working principle of the embodiment is as follows:

the fixed end pipe 2 and the movable end pipe 3 are respectively connected with pipelines at two sides, when the compensator bears the torsion force, the movable end pipe 3 rotates relative to the sleeve pipe 1, the guide disc 7 fixedly arranged on the movable end pipe 3 is driven to rotate, the guide disc 7 drives the left ring 4 and the right ring 5 to rotate through the rib plate 6, and the torsion force is removed; the structure can ensure that the posture of the movable end 3 pipe is stable when the movable end pipe 3 can stably rotate relative to the sleeve 1; compared with the prior art, this embodiment uses left ring 4, deflector 7 and right ring 5 to replace bellows 8 to bear the torsional force, and the pipeline of compensator both sides even takes place a certain amount of relative rotation and also can not lead to the fact the damage to bellows 8 to make more surely and fast of pipe connection work progress, be favorable to the permanent safe operation of compensator and pipeline.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A prefabricated direct-buried insulating pipe compensator is characterized by comprising a sleeve, and a fixed end pipe and a movable end pipe which are coaxially arranged on the sleeve, wherein a left ring and a right ring are rotatably arranged in the sleeve, a plurality of rib plates are arranged between the left ring and the right ring, and the plurality of rib plates are uniformly distributed along the circumferential direction of the cross section of the sleeve; the movable end pipe is fixedly provided with a guide disc, the guide disc is provided with a through hole matched with the rib plate, the movable end pipe between the guide disc and the right ring is sleeved with a corrugated pipe, and two ends of the corrugated pipe are fixedly connected with the guide disc and the right ring respectively.

2. The prefabricated direct-burried thermal insulation pipe compensator of claim 1, wherein the sleeve is provided with a ring groove inside, which is matched with the left ring and the right ring.

3. The prefabricated directly-buried thermal insulation pipe compensator according to claim 2, wherein the right ring and the sleeve are respectively provided with an auxiliary positioning ring edge, and the two auxiliary positioning ring edges are matched together in a relatively rotatable manner.

4. The prefabricated directly-buried thermal insulation pipe compensator according to claim 3, wherein a lubricating lining is respectively arranged between the inner side of the ring groove and the two auxiliary positioning rings.

5. The prefabricated direct-burried thermal insulation pipe compensator according to claim 4, wherein a lubricating liner is also arranged between the movable end pipe and the sleeve in a matching manner.

6. The prefabricated direct-burried thermal insulation pipe compensator of claim 5, wherein the material of the lubricating liner is polytetrafluoroethylene.

7. The prefabricated direct-burried thermal insulation pipe compensator of any one of claims 1 to 6, wherein the cross section of the rib plate is arc-shaped.