CN214336409U

CN214336409U - Corrosion-resistant biaxial orientation polyvinyl chloride cable protection pipe

Info

Publication number: CN214336409U
Application number: CN202120791877.2U
Authority: CN
Inventors: 汪明卫; 赵付强; 高翔
Original assignee: Zhejiang Rongzheng Tube Co ltd
Current assignee: Zhejiang Rongzheng Tube Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-10-01
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a corrosion-resistant biaxial orientation polyvinyl chloride cable protection pipe, which comprises an outer sleeve, the outer wall of overcoat coats and has the anticorrosive coating, the anticorrosive coating includes raw lacquer, epoxy phenolic aldehyde lacquer, rubber layer and through-hole, the outer wall at the overcoat is paintd to raw lacquer, the outer wall of raw lacquer is paintd epoxy phenolic aldehyde lacquer. According to the corrosion-resistant biaxially oriented polyvinyl chloride cable protection pipe, raw lacquer is coated on the surface of a sheath, the raw lacquer is grey brown viscous liquid, and the corrosion-resistant biaxially oriented polyvinyl chloride cable protection pipe has the advantages of being acid-resistant, strong in adhesive force and the like, so that the cable has corrosion resistance, epoxy phenolic paint is coated on the surface of the raw lacquer after the raw lacquer is dried, the epoxy resin coating has good corrosion resistance, particularly alkali resistance and better wear resistance, and a paint film has good elasticity and hardness, so that the cable has the corrosion resistance and the elasticity, the cable is always protected, and the problem that the surface of the existing biaxially oriented polyvinyl chloride cable protection pipe is aged and damaged due to long-time use, and accordingly the protection of the cable is influenced is solved.

Description

Corrosion-resistant biaxial orientation polyvinyl chloride cable protection pipe

Technical Field

The utility model relates to a cable protection tube technical field specifically is a corrosion-resistant biax orientation polyvinyl chloride cable protection tube.

Background

The cable protection pipe is a protection pipe which is laid on the outer layer of the cable and has certain mechanical strength in order to prevent the cable from being damaged, and is mainly installed in a section where a communication cable and a power line are crossed to prevent the power line from being broken to cause a short circuit accident.

However, the existing biaxial orientation polyvinyl chloride cable protection pipe has the problem that the surface of the existing biaxial orientation polyvinyl chloride cable protection pipe is aged and damaged due to long-term use, so that the protection of the cable is influenced, and meanwhile, the existing biaxial orientation polyvinyl chloride cable protection pipe has the problems that the compression resistance is low and the cable is easily damaged when in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant biaxially oriented polyvinyl chloride cable protection pipe to solve the current biaxially oriented polyvinyl chloride cable protection pipe that provides in the above-mentioned background art because long-time use, surface aging damages, thereby the problem of the protection of influence to the cable.

In order to achieve the above object, the utility model provides a following technical scheme: the corrosion-resistant biaxially oriented polyvinyl chloride cable protection pipe comprises an outer sleeve, wherein the outer wall of the outer sleeve is coated with an anticorrosive layer;

the anti-corrosion layer comprises raw paint, epoxy phenolic paint, a rubber layer and through holes;

the raw lacquer is smeared on the outer wall of the outer sleeve, the epoxy phenolic aldehyde lacquer is smeared on the outer wall of the raw lacquer, the rubber layer is compounded on the outer wall of the epoxy phenolic aldehyde lacquer, and a plurality of through holes are formed in the inner wall of the rubber layer. The cable has corrosion resistance and elasticity, and is always protected.

Preferably, the inner wall of overcoat has the steel band, the inner wall laminating of steel band has the inside lining. The steel belt is an armor protective layer, the lining is polyvinyl chloride inner protection, and the cable is a component part.

Preferably, the inner wall of inside lining has the packing rope, the inner wall laminating of packing rope has the insulating layer. Components of the cable.

Preferably, the inner wall of the insulating layer is attached with a fire-resistant layer, and the inner wall of the fire-resistant layer is attached with a copper conductor. Components of the cable.

Preferably, the outer wall of the rubber layer is compounded with a protective layer;

the protective layer comprises a first protective material, a second protective material and a third protective material;

the inner wall of the first protective material is compounded on the outer wall of the rubber layer, the outer wall of the first protective material is compounded with a second protective material, and the outer wall of the second protective material is compounded with a third protective material. The cable is protected against pressure loss.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the traditional technology, the corrosion-resistant biaxial orientation polyvinyl chloride cable protection pipe has the following advantages:

through the matching between the sheath and the anticorrosive layer, the surface of the sheath is coated with raw lacquer which is gray brown viscous liquid and has the advantages of acid resistance, solvent resistance, water resistance, oil resistance, wear resistance, strong adhesive force and the like, so that the cable has corrosion resistance, and after the raw lacquer is dried, the surface of the raw lacquer is coated with epoxy phenolic paint which is epoxy resin paint and has good corrosion resistance, particularly alkali resistance and better wear resistance;

through the sheath, cooperation between anticorrosive coating and the inoxidizing coating, treat the epoxy phenolic aldehyde lacquer and dry the back, the parcel rubber layer, the rubber layer is made by the fluororubber material, the high temperature resistance of reinforcing cable, rubber layer surface machining several through-hole, make the rubber layer have the elasticity, the compressive property of reinforcing cable, rubber layer surface compound first protective material in proper order again, second protective material and third protective material, make the cable prevent the compression loss, solved current biaxial orientation polyvinyl chloride cable protection pipe when using, compressive property is low, easily cause the problem of cable compression loss.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the raw lacquer, epoxy novolac and rubber layer in FIG. 1;

FIG. 3 is a schematic diagram of the copper conductor, insulating layer and liner of FIG. 1;

fig. 4 is a schematic structural diagram of the first protective material, the second protective material and the second protective material in fig. 1.

In the figure: 1. copper conductor, 2, fire-resistant layer, 3, insulating layer, 4, anticorrosive coating, 401, raw lacquer, 402, epoxy phenolic varnish, 403, rubber layer, 404, through hole, 5, protective layer, 501, first protective material, 502, second protective material, 503, second protective material, 6, filling rope, 7, lining, 8, steel strip, 9 and sheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-4, the present invention provides a technical solution: a corrosion-resistant biaxially oriented polyvinyl chloride cable protection tube comprises an outer sleeve 9, wherein an anti-corrosion layer 4 is coated on the outer wall of the outer sleeve 9, the outer sleeve 9 is a black polyvinyl chloride sheath, the anti-corrosion layer 4 comprises raw lacquer 401, epoxy phenolic aldehyde lacquer 402, a rubber layer 403 and through holes 404, the raw lacquer 401 is coated on the outer wall of the outer sleeve 9, the raw lacquer 401 is a tawny viscous liquid and has the advantages of acid resistance, solvent resistance, water resistance, oil resistance, wear resistance, strong adhesive force and the like, so that the cable has corrosion resistance, the epoxy phenolic aldehyde lacquer 402 is coated on the outer wall of the raw lacquer 401, the epoxy resin lacquer 402 has good corrosion resistance, particularly alkali resistance and better wear resistance, a paint film has good elasticity and hardness, so that the cable has corrosion resistance and elasticity, the rubber layer 403 is compounded on the outer wall of the epoxy phenolic aldehyde lacquer 402, the rubber layer 403 is made of a fluororubber material, and the high temperature resistance of the cable is enhanced, the inner wall of the rubber layer 403 is provided with a plurality of through holes 404, and the surface of the rubber layer 403 is provided with a plurality of through holes 404, so that the rubber layer 403 has elasticity and the pressure resistance of the cable is enhanced.

The inner wall of the outer sleeve 9 is attached with a steel belt 8, the steel belt 8 is an armor protective layer, the inner wall of the steel belt 8 is attached with a lining 7, and the lining 7 is a polyvinyl chloride inner protection part and is a cable component.

The inner wall laminating of inside lining 7 has packing rope 6, and the inner wall laminating of packing rope 6 has insulating layer 3, and insulating layer 3 is made by plastics.

The inner wall of insulating layer 3 is laminated with flame retardant coating 2, and flame retardant coating 2 is made by the fluororubber material, and the inner wall laminating of flame retardant coating 2 has copper conductor 1, the component of cable.

The outer wall of rubber layer 403 is compounded with protective layer 5, protective layer 5 includes first protective material 501, second protective material 502 and third protective material 503, the inner wall of first protective material 501 is compounded at the outer wall of rubber layer 403, first protective material 501 is made by the polytetrafluoroethylene material, make cable reinforcing crushing resistance, the outer wall of first protective material 501 is compounded with second protective material 502, second protective material 502 is made by the neoprene latex material, make the cable have certain crushing resistance, the outer wall of second protective material 502 is compounded with third protective material 503, third protective material 503 is made by the butadiene styrene rubber material, make cable crushing resistance.

The two ends of the cable are connected in the anti-corrosion layer 4 and the protective layer 5.

When the corrosion-resistant biaxially oriented polyvinyl chloride cable protection pipe is used, firstly, a cable is formed by sequentially wrapping a fire-resistant layer 2, an insulating layer 3, a filling rope 6, an inner liner 7, a steel belt 8 and a sheath 9 outside a copper conductor 1, raw paint 401 is smeared on the surface of the sheath 9, the raw paint 401 is a grey brown viscous liquid, and has the advantages of acid resistance, solvent resistance, water resistance, oil resistance, wear resistance, strong adhesive force and the like, so that the cable has corrosion resistance, epoxy phenolic paint 402 is smeared on the surface of the raw paint 401 after the raw paint 401 is dried, the epoxy resin paint 402 has good corrosion resistance, particularly alkali resistance, and good wear resistance, a paint film has good elasticity and hardness, so that the cable has corrosion resistance and elasticity, after the epoxy phenolic paint 402 is dried, the rubber layer 403 is wrapped, the rubber layer 403 is made of a fluororubber material, so that the high temperature resistance of the cable is enhanced, a plurality of through holes 404 are processed on the surface of the rubber layer 403, so that the rubber layer 403 has elasticity and the pressure resistance of the cable is enhanced, and then the first protective material 501, the second protective material 502 and the third protective material 503 are sequentially compounded on the surface of the rubber layer 403, so that the cable is prevented from being damaged by pressure.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A corrosion-resistant biaxially oriented polyvinyl chloride cable protection tube comprising a jacket (9), characterized in that: the outer wall of the outer sleeve (9) is coated with an anticorrosive layer (4);

the anticorrosive layer (4) comprises raw lacquer (401), epoxy phenolic lacquer (402), a rubber layer (403) and a through hole (404);

the raw lacquer (401) is smeared on the outer wall of the outer sleeve (9), the epoxy phenolic aldehyde lacquer (402) is smeared on the outer wall of the raw lacquer (401), the rubber layer (403) is compounded on the outer wall of the epoxy phenolic aldehyde lacquer (402), and the inner wall of the rubber layer (403) is provided with a plurality of through holes (404).

2. A corrosion-resistant biaxially oriented polyvinyl chloride cable protection tube according to claim 1, wherein: the inner wall laminating of overcoat (9) has steel band (8), the inner wall laminating of steel band (8) has inside lining (7).

3. A corrosion-resistant biaxially oriented polyvinyl chloride cable protection tube according to claim 2, wherein: the inner wall laminating of inside lining (7) has filling rope (6), the inner wall laminating of filling rope (6) has insulating layer (3).

4. A corrosion-resistant biaxially oriented polyvinyl chloride cable protection tube according to claim 3, wherein: the inner wall of the insulating layer (3) is attached with a fire-resistant layer (2), and the inner wall of the fire-resistant layer (2) is attached with a copper conductor (1).

5. A corrosion-resistant biaxially oriented polyvinyl chloride cable protection tube according to claim 1, wherein: the outer wall of the rubber layer (403) is compounded with a protective layer (5);

the protective layer (5) comprises a first protective material (501), a second protective material (502) and a third protective material (503);

the inner wall of the first protective material (501) is compounded on the outer wall of the rubber layer (403), the outer wall of the first protective material (501) is compounded with a second protective material (502), and the outer wall of the second protective material (502) is compounded with a third protective material (503).