CN218040727U

CN218040727U - High-temperature-resistant PVC-C sleeve for buried high-voltage power cable

Info

Publication number: CN218040727U
Application number: CN202222376525.8U
Authority: CN
Inventors: 肖建对; 肖建华
Original assignee: Shandong Huana Plastic Group Co ltd
Current assignee: Shandong Huana Plastic Group Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-12-13
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a buried high voltage power cable is with high temperature resistant PVC-C sleeve pipe belongs to tubular product technical field, its technical scheme main points include a plurality of sleeve pipe bodies, a plurality of sleeve pipe bodies are two liang between equal a plurality of evenly distributed's of fixedly connected with splice bar, the outside of basic unit is provided with the outer protective layer, the center line of three sleeve pipe body constitutes equilateral triangle, thereby can carry out whole bunch with three cable, the easy access is maintained, the triangle-shaped structure that constitutes simultaneously is more stable when placing the fixed, avoid rolling, high durability and convenient use. The high temperature resistant layer is polyphenylene sulfide high temperature resistant pipe, has advantages such as mechanical strength is high, high temperature resistant, chemical resistance, difficult fire, further improves the high temperature resistant and fire behavior of sleeve pipe, has solved ordinary PVC-C sleeve pipe and still can't satisfy its intensity and high temperature resistant demand, and the user demand under the adverse circumstances also can not be satisfied to tensile compressive strength simultaneously, and the wiring is chaotic, the problem of the arrangement maintenance of being not convenient for.

Description

High-temperature-resistant PVC-C sleeve for buried high-voltage power cable

Technical Field

The utility model relates to a tubular product technical field, in particular to bury ground high voltage power cable with high temperature resistant PVC-C sleeve pipe.

Background

The cable protection sleeve is a novel sleeve material popularized and used in power engineering. With the rapid development of power cable buried laying engineering, the cable protection sleeve is usually made of Polyethylene (PE) material, which is the most commonly used electrical insulation pipe for protecting wires and cables. But use and discover that PE pipe is easily receive external force and warp, has influenced the normal laying of later stage cable.

The PVC-C casing pipe takes PVC-C resin as a main material, is a green and environment-friendly product generally recognized at present, the excellent physical and chemical properties of the PVC-C casing pipe are more and more emphasized by the industry, and the conventional PVC-C casing pipe can resist higher temperature and has better strength.

However, in some special environments, the common PVC-C sleeve still cannot meet the requirements of strength and high temperature resistance, and meanwhile, the tensile and compressive strength cannot meet the requirements of use in severe environments, and the conventional cable sleeve usually has a single cable protection pipe which can only be inserted into a single cable, so that a plurality of protection pipes are needed to be used when a plurality of cables are needed to be protected simultaneously, which causes disordered wiring and is inconvenient for arrangement and maintenance.

Disclosure of Invention

The utility model provides a to above problem, provide a buried high voltage power cable is with high temperature resistant PVC-C sleeve pipe, have place when fixed more stable, avoid rolling, convenient to use, high temperature resistant, the excellent characteristics of fire resistance.

The utility model discloses a realize like this, a buried high voltage power cable is with high temperature resistant PVC-C sleeve pipe, including a plurality of sleeve pipe bodies, a plurality of sleeve pipe bodies are two liang between equal a plurality of evenly distributed's of fixedly connected with splice bar, and the sleeve pipe body includes the basic unit, and the outside of basic unit is provided with the outer protective layer, is provided with high temperature resistant layer between basic unit and the outer protective layer, and the laminating in the outside of outer protective layer is connected with corrosion resistant layer.

In order to facilitate the arrangement and maintenance, the utility model discloses a buried high voltage power cable is with high temperature resistant PVC-C sleeve pipe is preferred, and the quantity of sleeve pipe body is three, and the line of center of three sleeve pipe body constitutes equilateral triangle.

In order to ensure the basic strength of the sleeve, the high-temperature-resistant PVC-C sleeve for the buried high-voltage power cable is preferred, and the base layer is a PVC-C pipe.

In order to improve the high temperature resistance of the sleeve, the utility model discloses a buried high voltage power cable is with high temperature resistant PVC-C sleeve is preferred, and high temperature resistant layer is the high temperature resistant tubular product of polyphenylene sulfide.

In order to improve the tensile and compressive strength of the sleeve, the utility model discloses a buried high-voltage power cable is preferable with high temperature resistant PVC-C sleeve, and the outer protective layer is HDPE pipe.

In order to improve the corrosion resistance of the sleeve, the high-temperature-resistant PVC-C sleeve for the buried high-voltage power cable is preferred, and the corrosion-resistant layer is corrosion-resistant paint.

Compared with the prior art, the beneficial effects of the utility model are that:

the quantity of sleeve pipe body is three, and the center line of three sleeve pipe body constitutes equilateral triangle to can carry out whole bunch with three cable, the easy access is maintained, and the triangle-shaped structure that constitutes simultaneously is more stable when placing the fixing, avoids rolling, convenient to use. The sleeve body comprises a base layer, the base layer is a PVC-C pipe, the mechanical strength is high, the pressure resistance is strong, the use temperature is as high as about 90 ℃, the safety and the simplicity are realized, and the basic strength and the high temperature resistance of the sleeve are guaranteed; the high-temperature resistant layer is a polyphenylene sulfide high-temperature resistant pipe, has the advantages of high mechanical strength, high temperature resistance, chemical resistance, flame retardancy and the like, and further improves the high-temperature resistance and the fireproof performance of the sleeve; the outer protective layer is an HDPE pipe, has good heat resistance and cold resistance, good chemical stability, higher rigidity and toughness and good mechanical strength, improves the overall strength of the pipeline from the outside and prolongs the service life; the corrosion-resistant layer is corrosion-resistant coating, so that the corrosion resistance is improved from the surface wall, and the sleeve is prevented from being corroded by severe environment.

Drawings

FIG. 1 is a side view of the whole structure of the present invention;

FIG. 2 is a view of the overall structure of the present invention;

FIG. 3 is a cross-sectional structural view of the sleeve body of the present invention;

in the figure, 1, a sleeve body; 2. connecting ribs; 3. a base layer; 4. a high temperature resistant layer; 5. an outer protective layer; 6. a corrosion resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a high temperature resistant PVC-C casing for a buried high voltage power cable includes a plurality of casing bodies 1, a plurality of uniformly distributed connecting ribs 2 are fixedly connected between every two casing bodies 1, the number of the casing bodies 1 is three, and the central connecting lines of the three casing bodies 1 form an equilateral triangle. The sleeve body 1 comprises a base layer 3, an outer protective layer 5 is arranged outside the base layer 3, a high-temperature-resistant layer 4 is arranged between the base layer 3 and the outer protective layer 5, and the outer protective layer 5 is attached to a corrosion-resistant layer 6.

In this embodiment: the quantity of sleeve pipe body 1 is three, and three sleeve pipe body 1's central line constitutes equilateral triangle to can carry out whole bunch with three cable, the easy access is maintained, and the triangle-shaped structure that constitutes simultaneously is more stable when placing the fixing, avoids rolling, convenient to use. The sleeve pipe body 1 includes basic unit 3, ensures sheathed tube basis intensity and high temperature resistance, and high temperature resistance layer 4 further improves the sleeve pipe high temperature resistance and fire behavior, and outer protective layer 5 improves the holistic intensity of pipeline from the outside, increase of service life, and corrosion-resistant layer 6 improves corrosion resistance from the table wall, avoids adverse circumstances corrosion sleeve pipe.

Specifically, the base layer 3 is a PVC-C pipe. The base layer 3 is a PVC-C pipe, has high mechanical strength and strong pressure resistance, the use temperature is as high as about 90 ℃, the safety and the simplicity are realized, and the basic strength and the high temperature resistance of the sleeve are ensured.

The high temperature resistant layer 4 is a polyphenylene sulfide high temperature resistant pipe. The high-temperature resistant layer 4 is a polyphenylene sulfide high-temperature resistant pipe, has the advantages of high mechanical strength, high temperature resistance, chemical resistance, flame retardancy and the like, and further improves the high-temperature resistance and the fireproof performance of the sleeve.

The outer protective layer 5 is a HDPE pipe. The outer protection layer 5 is an HDPE pipe, has good heat resistance and cold resistance, good chemical stability, higher rigidity and toughness and good mechanical strength, improves the overall strength of the pipeline from the outside and prolongs the service life.

The corrosion-resistant layer 6 is a corrosion-resistant coating. The corrosion-resistant layer 6 is corrosion-resistant paint, so that the corrosion resistance is improved from the surface wall, and the sleeve is prevented from being corroded by severe environment.

The utility model discloses a theory of operation and use flow:

the quantity of sleeve pipe body 1 is three, and the central line of three sleeve pipe body 1 constitutes equilateral triangle to can bunch three cable wholly, the easy access maintenance, the triangle-shaped structure that constitutes simultaneously is placing fixed time more stable, avoids rolling, convenient to use. The sleeve body 1 comprises a base layer 3, the base layer 3 is a PVC-C pipe, the mechanical strength is high, the pressure resistance is strong, the use temperature is as high as about 90 ℃, the safety and the simplicity are realized, and the basic strength and the high temperature resistance of the sleeve are guaranteed. The high temperature resistant layer 4 is a polyphenylene sulfide high temperature resistant pipe, has the advantages of high mechanical strength, high temperature resistance, chemical resistance, flame retardancy and the like, and further improves the high temperature resistance and the fireproof performance of the sleeve. The outer protection layer 5 is an HDPE pipe, has good heat resistance and cold resistance, good chemical stability, higher rigidity and toughness and good mechanical strength, improves the overall strength of the pipeline from the outside and prolongs the service life. The corrosion-resistant layer 6 is corrosion-resistant coating, so that the corrosion resistance is improved from the surface wall, and the sleeve is prevented from being corroded by severe environment.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a buried high voltage power cable is with high temperature resistant PVC-C sleeve pipe, includes a plurality of sleeve pipe bodies (1), its characterized in that: it is a plurality of equal fixedly connected with a plurality of evenly distributed's splice bar (2) between two liang of sleeve pipe body (1), sleeve pipe body (1) includes basic unit (3), the outside of basic unit (3) is provided with outer protective layer (5), be provided with high temperature resistant layer (4) between basic unit (3) and outer protective layer (5), the outside laminating of outer protective layer (5) is connected with corrosion-resistant layer (6).

2. The high-temperature-resistant PVC-C sleeve for the buried high-voltage power cable according to claim 1, characterized in that: the number of the sleeve body (1) is three, and the central connecting lines of the three sleeve bodies (1) form an equilateral triangle.

3. The high-temperature-resistant PVC-C sleeve for the buried high-voltage power cable according to claim 1, wherein: the base layer (3) is a PVC-C pipe.

4. The high-temperature-resistant PVC-C sleeve for the buried high-voltage power cable according to claim 1, wherein: the high temperature resistant layer (4) is a polyphenylene sulfide high temperature resistant pipe.

5. The high-temperature-resistant PVC-C sleeve for the buried high-voltage power cable according to claim 1, characterized in that: the outer protection layer (5) is an HDPE pipe.

6. The high-temperature-resistant PVC-C sleeve for the buried high-voltage power cable according to claim 1, characterized in that: the corrosion-resistant layer (6) is corrosion-resistant paint.