CN214947277U - Buried compensation type insulating joint - Google Patents
Buried compensation type insulating joint Download PDFInfo
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- CN214947277U CN214947277U CN202120939890.8U CN202120939890U CN214947277U CN 214947277 U CN214947277 U CN 214947277U CN 202120939890 U CN202120939890 U CN 202120939890U CN 214947277 U CN214947277 U CN 214947277U
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Abstract
An underground compensation type insulation joint relates to a pipeline insulation device. The insulating joint is mainly designed for solving the problem that the existing insulating joint is easy to cause pipeline deformation. The left short pipe is connected with a left metal corrugated pipe, and the left metal corrugated pipe is connected with a left connecting pipe; the right short pipe is connected with a right metal corrugated pipe, and the right metal corrugated pipe is connected with a right connecting pipe; the left connecting pipe and the right connecting pipe are connected through a flange; the inner ring of the annular left end plate is welded on the outer wall of the left short pipe, the outer ring is welded at the left end of the protective cylinder, the inner ring of the annular right end plate is in contact with the outer wall of the right short pipe, and the outer ring is welded at the right end of the protective cylinder. A first limiting plate is welded on the left short pipe, a second limiting plate is welded on the left connecting pipe, and a left limiting bolt is connected between the first limiting plate and the second limiting plate. A third limiting plate is welded on the right short pipe, a fourth limiting plate is welded on the right connecting pipe, and a right limiting bolt is connected between the third limiting plate and the fourth limiting plate. The advantage is that the pipeline is not easy to deform.
Description
The technical field is as follows:
the utility model relates to a pipeline insulation device specifically is to relate to an use and realize the joint of insulating isolation according to a determining deviation with the pipeline on the pipeline.
Background art:
the insulating joint is a general name of a pipeline joint which simultaneously has the sealing performance and the strength performance required by a buried steel pipeline and the insulating performance required by electric corrosion resistance. The insulating joint is an essential important pressure element in a steel pipeline cathode protection system and is widely applied to the steel pipeline cathode protection system.
The existing insulating joint has the problems that all parts are rigidly connected, and the pipeline can stretch and contract and stretch due to the change of factors such as temperature and working conditions of a conveyed medium, so that the pipeline deforms and the service life is influenced.
The invention content is as follows:
the utility model aims to solve the technical problem that a buried compensation type insulation joint with compensation function is provided to be difficult for causing the pipeline to warp.
The above object is achieved by: the left short pipe and the right short pipe are connected, the right end of the left short pipe is connected with a left metal corrugated pipe, and the right end of the left metal corrugated pipe is connected with a left connecting pipe;
the left end of the right short pipe is connected with a right metal corrugated pipe, and the left end of the right metal corrugated pipe is connected with a right connecting pipe;
the right end of the left connecting pipe is connected with the left end of the right connecting pipe through flanges, and a flange gasket is clamped between the flanges;
the device also comprises a cylinder protection component, wherein the cylinder protection component consists of an annular left end plate, an annular right end plate and a cylinder protection which are connected together, an inner ring of the annular left end plate is welded on the outer wall of the left short pipe, an outer ring of the annular left end plate is welded at the left end of the cylinder protection, an inner ring of the annular right end plate is contacted with the outer wall of the right short pipe, an outer ring of the annular right end plate is welded at the right end of the cylinder protection, a circular sealing ring mounting groove is formed in the inner ring of the annular right end plate, and a sealing ring is mounted in the sealing ring mounting groove to realize sealing between the annular right end plate and the right short pipe; an insulating pad is arranged between the flange for connecting the left connecting pipe and the right connecting pipe and the inner wall of the protective cylinder.
A plurality of first limiting plates with holes are welded on a left short pipe between the annular left end plate and the left metal corrugated pipe, a plurality of second limiting plates with holes are welded on a left connecting pipe correspondingly, a plurality of left limiting bolts are connected between the first limiting plates and the second limiting plates, and nuts are arranged on the left limiting bolts on the left side of the first limiting plates and on the right side of the second limiting plates.
A third limiting plate with a plurality of holes is welded on a right short pipe between the annular right end plate and the right metal corrugated pipe, a fourth limiting plate with a plurality of holes is welded on the right connecting pipe correspondingly, a plurality of right limiting bolts are connected between the third limiting plate and the fourth limiting plate, and nuts are arranged on the right limiting bolts on the left side of the fourth limiting plate and the right side of the third limiting plate.
The left protection plate is arranged on the inner side of the left metal corrugated pipe, the left end of the left protection plate is fixed on the inner wall of the left short pipe, and the right end of the left protection plate is in sliding contact with the inner wall of the left connecting pipe.
The right protection plate is arranged on the inner side of the right metal corrugated pipe, the right end of the right protection plate is fixed on the inner wall of the left short pipe, and the left end of the right protection plate is in sliding contact with the inner wall of the right connecting pipe.
The left end of the left short pipe is connected with a socket; and the outer walls of the left short pipe and the right short pipe which are positioned outside the pile casing assembly are welded with hanging rings.
The utility model has the advantages that: the corrugated pipe has a compensation function, and is flexible, so that the corrugated pipe can be conveniently bent, elongated and compressed, and the pipeline is not easy to deform; and some pipelines need to convey liquid and also need heat dissipation, so that the arrangement of the metal corrugated pipe is a good choice.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
the present invention will be further explained with reference to fig. 1;
the device comprises a left short pipe 1 and a right short pipe 2, wherein the right end of the left short pipe is connected with a left metal corrugated pipe 3, and the right end of the left metal corrugated pipe is connected with a left connecting pipe 4;
the left end of the right short pipe is connected with a right metal corrugated pipe 5, and the left end of the right metal corrugated pipe is connected with a right connecting pipe 6;
the right end of the left connecting pipe is connected with the left end of the right connecting pipe through a flange 7, and a flange gasket is clamped between the flanges;
the device also comprises a cylinder protecting component, wherein the cylinder protecting component consists of an annular left end plate 8, an annular right end plate 9 and a cylinder protecting 10 which are connected together, an inner ring of the annular left end plate is welded on the outer wall of the left short pipe, an outer ring of the annular left end plate is welded at the left end of the cylinder protecting, an inner ring of the annular right end plate is contacted with the outer wall of the right short pipe, an outer ring of the annular right end plate is welded at the right end of the cylinder protecting, a circular sealing ring mounting groove is formed in the inner ring of the annular right end plate, and a sealing ring 11 is mounted in the sealing ring mounting groove to realize the sealing between the annular right end plate and the right short pipe; an insulating pad 12 is arranged between the flange connecting the left connecting pipe and the right connecting pipe and the inner wall of the protective cylinder.
The left short pipe between the annular left end plate and the left metal corrugated pipe is welded with a plurality of first limiting plates 13 with holes, the left connecting pipe is correspondingly welded with a plurality of second limiting plates 14 with holes, a plurality of left limiting bolts 15 are connected between the first limiting plates and the second limiting plates, namely, each left limiting bolt is respectively inserted into the corresponding holes of the first limiting plates and the second limiting plates, and nuts are arranged on the left limiting bolts on the left side of the first limiting plates and on the right side of the second limiting plates.
A plurality of third limiting plates 16 with holes are welded on a right short pipe between the annular right end plate and the right metal corrugated pipe, a plurality of fourth limiting plates 17 with holes are welded on the right connecting pipe correspondingly, a plurality of right limiting bolts 18 are connected between the third limiting plates and the fourth limiting plates, namely, the right limiting bolts are respectively inserted into the corresponding holes of the third limiting plates and the fourth limiting plates, and nuts are arranged on the right limiting bolts on the left side of the fourth limiting plates and on the right side of the third limiting plates.
The left guard plate 19 is arranged on the inner side of the left metal corrugated pipe, the left end of the left guard plate is fixed on the inner wall of the left short pipe, and the right end of the left guard plate is in sliding contact with the inner wall of the left connecting pipe.
The right protection plate 20 is arranged on the inner side of the right metal corrugated pipe, the right end of the right protection plate is fixed on the inner wall of the left short pipe, and the left end of the right protection plate is in sliding contact with the inner wall of the right connecting pipe.
The left end of the left short pipe is connected with a bell mouth 21; hanging rings 22 are welded on the outer walls of the left short pipe and the right short pipe which are positioned outside the pile casing assembly.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a bury compensation formula insulated joint, includes left nozzle stub (1) and right nozzle stub (2), characterized by: the right end of the left short pipe is connected with a left metal corrugated pipe (3), and the right end of the left metal corrugated pipe is connected with a left connecting pipe (4);
the left end of the right short pipe is connected with a right metal corrugated pipe (5), and the left end of the right metal corrugated pipe is connected with a right connecting pipe (6);
the right end of the left connecting pipe is connected with the left end of the right connecting pipe through flanges (7), and a flange gasket is clamped between the flanges;
the device also comprises a protective cylinder component, wherein the protective cylinder component consists of an annular left end plate (8), an annular right end plate (9) and a protective cylinder (10) which are connected together, an inner ring of the annular left end plate is welded on the outer wall of the left short pipe, an outer ring of the annular left end plate is welded at the left end of the protective cylinder, an inner ring of the annular right end plate is contacted with the outer wall of the right short pipe, and an outer ring of the annular right end plate is welded at the right end of the protective cylinder;
a plurality of first limiting plates (13) with holes are welded on a left short pipe between the annular left end plate and the left metal corrugated pipe, a plurality of second limiting plates (14) with holes are correspondingly welded on the left connecting pipe, a plurality of left limiting bolts (15) are connected between the first limiting plate and the second limiting plates, namely, the left limiting bolts are respectively inserted into the corresponding holes of the first limiting plate and the second limiting plate, and nuts are arranged on the left limiting bolts on the left side of the first limiting plate and on the right side of the second limiting plate;
a plurality of third limiting plates (16) with holes are welded on a right short pipe between the annular right end plate and the right metal corrugated pipe, a plurality of fourth limiting plates (17) with holes are welded on a right connecting pipe correspondingly, a plurality of right limiting bolts (18) are connected between the third limiting plate and the fourth limiting plate, namely, the right limiting bolts are respectively inserted into the corresponding holes of the third limiting plate and the fourth limiting plate, and nuts are arranged on the right limiting bolts on the left side of the fourth limiting plate and the right side of the third limiting plate.
2. The underground compensating insulated joint of claim 1 wherein: the left protection plate (19) is arranged on the inner side of the left metal corrugated pipe, the left end of the left protection plate is fixed on the inner wall of the left short pipe, and the right end of the left protection plate is in sliding contact with the inner wall of the left connecting pipe; the right protection plate (20) is arranged on the inner side of the right metal corrugated pipe, the right end of the right protection plate is fixed on the inner wall of the left short pipe, and the left end of the right protection plate is in sliding contact with the inner wall of the right connecting pipe.
3. An underground compensating insulated joint according to claim 1 or 2 wherein: the inner ring of the right annular end plate is provided with a circular sealing ring mounting groove, and a sealing ring (11) is mounted in the sealing ring mounting groove to realize the sealing between the right annular end plate and the right short pipe; an insulating pad (12) is arranged between the flange for connecting the left connecting pipe and the right connecting pipe and the inner wall of the protective cylinder.
4. An underground compensating insulated joint according to claim 1 or 2 wherein: the left end of the left short pipe is connected with a socket (21); and hanging rings (22) are welded on the outer walls of the left short pipe and the right short pipe which are positioned outside the pile casing assembly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120939890.8U CN214947277U (en) | 2021-05-06 | 2021-05-06 | Buried compensation type insulating joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120939890.8U CN214947277U (en) | 2021-05-06 | 2021-05-06 | Buried compensation type insulating joint |
Publications (1)
Publication Number | Publication Date |
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CN214947277U true CN214947277U (en) | 2021-11-30 |
Family
ID=79062029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120939890.8U Active CN214947277U (en) | 2021-05-06 | 2021-05-06 | Buried compensation type insulating joint |
Country Status (1)
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CN (1) | CN214947277U (en) |
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2021
- 2021-05-06 CN CN202120939890.8U patent/CN214947277U/en active Active
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