CN211074924U

CN211074924U - CPVC cable pipe with nonlinear shielding layer

Info

Publication number: CN211074924U
Application number: CN201920995292.5U
Authority: CN
Inventors: 孙更生; 潘正甲
Original assignee: Zhenjiang Huake Communication Equipment Co ltd
Current assignee: Zhenjiang Huake Communication Equipment Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-07-24
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a CPVC cable pipe with nonlinear shielding layer, including the cable duct body, the left and right sides of cable duct body is equipped with the tube head, and the inner chamber of tube head is opened there is the spread groove, and the cable duct body includes nonlinear shielding layer, insulating layer, protective layer, anticorrosive coating and resin layer, and the cable duct body has wrapped up resin layer, anticorrosive coating, protective layer, insulating layer, nonlinear shielding layer and resin layer from outside to inside in proper order. The utility model provides an under the condition of special operation, have certain requirement to the intensity and the anticorrosion ability of CPVC cable pipe, and current CPVC cable pipe does not generally have shielding function, receives under the circumstances of disturbing at the cable, can't provide the problem that has certain interference killing feature to the cable.

Description

CPVC cable pipe with nonlinear shielding layer

Technical Field

The utility model relates to a CPVC cable pipe technical field specifically is a CPVC cable pipe with non-linear shielding layer.

Background

CPVC cable pipes are commonly used as cable protection pipes widely used in urban power grid construction and renovation; urban municipal engineering reconstruction; civil aviation airport engineering construction project park and community engineering construction; traffic, road and bridge engineering construction city street lamp cable laying to play direction and guard action, under the condition of special operation, have certain requirement to the intensity and the corrosion protection ability of CPVC cable pipe, and current CPVC cable pipe does not generally have the shielding function, receives under the circumstances of disturbing at the cable, can't provide to have certain interference killing feature to the cable, for this reason, we have designed a CPVC cable pipe that has nonlinear shielding layer.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a CPVC cable pipe with non-linear shielding layer has solved under the condition of special operation, has certain requirement to the intensity and the corrosion protection ability of CPVC cable pipe, and current CPVC cable pipe does not generally have shielding function, receives under the condition of interference at the cable, can't provide the problem that has certain interference killing feature to the cable.

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

the utility model provides a CPVC cable pipe with nonlinear shielding layer, includes the cable pipe body, the left and right sides of cable pipe body is equipped with the tube head, the inner chamber of tube head is opened there is the spread groove, the cable pipe body includes nonlinear shielding layer, insulating layer, protective layer, anticorrosive coating and resin layer, the cable pipe body wraps up in proper order from outer to inner has resin layer, anticorrosive coating, protective layer, insulating layer, nonlinear shielding layer and resin layer.

In the CPVC cable pipe with the non-linear shielding layer, the insulating layer is made of a cross-linked polyethylene material.

According to the CPVC cable pipe with the nonlinear shielding layer, the inner cavity of the protective layer is filled with the steel wire mesh, and one of polyethylene and polyvinyl chloride is poured on the outer wall of the steel wire mesh.

In the CPVC cable pipe with the nonlinear shielding layer, the material of the corrosion-resistant layer is one of cable asphalt or melting glue.

The CPVC cable pipe with the nonlinear shielding layer is made of cross-linked polyolefin mixed with two or more of silicon carbide, zirconium titanate, carbon black, graphite, carbon fibers and carbon nanotubes.

The diameters of the cable pipe body and the pipe head of the CPVC cable pipe with the non-linear shielding layer are respectively 50-70cm and 60-80 cm.

The CPVC cable pipe with the non-linear shielding layer comprises the PVC resin and the CPVC resin

The utility model has the advantages that: the utility model has the advantages of reasonable design, the inner chamber of protective layer is filled with the wire net, one of polyethylene or polyvinyl chloride has been pour to the wire net outside, make the intensity of CPVC cable pipe strengthened, the CPVC cable pipe can stand 1kg weight under 0 ℃ temperature, the impact force of 2m height, fully reflect out shock resistance and can be applicable to the requirement under the construction environment condition completely, the material of anticorrosive coating is cable pitch or melten gel, have better corrosion protection, the material of nonlinear shielding layer is the crosslinked polyolefin that mixes two kinds or several kinds of mixture in carborundum, zirconium titanate, carbon black, graphite, carbon fiber, the carbon nanotube, the material of nonlinear shielding layer has stronger ability of homogenizing electric field distribution by oneself in inhomogeneous electric field, when the insulating surface that nonlinear shielding layer can appear in the CPVC cable pipe is protruding, unsmooth defects such as sunken, the electric field distribution of homogenizing defect department, reduce the biggest electric field intensity, promote anti-jamming ability, the resin layer adopts the mixture of PVC resin and CPVC resin as basic raw materials, the material cost has been reduced, its low temperature embrittlement has been improved, in order to improve its processing property, improve impact strength, solved under the condition of special operation, there is certain requirement to the intensity and the anticorrosion ability of CPVC cable pipe, and current CPVC cable pipe does not generally have shielding function, under the condition that the cable received the interference, can't provide the problem that has certain interference killing feature to the cable.

Drawings

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

fig. 2 is a schematic structural view of the cable tube body.

In the figure: 1. the cable pipe comprises a cable pipe body, 2, a pipe head, 3, a connecting groove, 4, a nonlinear shielding layer, 5, an insulating layer, 6, a protective layer, 7, an anticorrosive layer, 8 and a resin layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-2: a CPVC cable pipe with a nonlinear shielding layer comprises a cable pipe body 1, pipe heads 2 are arranged on the left side and the right side of the cable pipe body 1, a connecting groove 3 is formed in an inner cavity of each pipe head 2, the cable pipe body 1 comprises a nonlinear shielding layer 4, an insulating layer 5, a protective layer 6, an anticorrosive layer 7 and a resin layer 8, the cable pipe body 1 is sequentially wrapped with the resin layer 8, the anticorrosive layer 7, the protective layer 6, the insulating layer 5, the nonlinear shielding layer 4 and the resin layer 8 from outside to inside, the insulating layer 5 is made of a crosslinked polyethylene material, the inner cavity of the protective layer 6 is filled with a steel wire mesh, one of polyethylene and polyvinyl chloride is poured outside the steel wire mesh, the anticorrosive layer 7 is made of cable asphalt or melt adhesive, the nonlinear shielding layer 4 is made of crosslinked polyolefin doped with two or more of silicon carbide, zirconium titanate, carbon black, graphite, carbon fibers and carbon nanotubes, the diameters of the cable tube body 1 and the tube head 2 are respectively 50-70cm and 60-80cm, and the resin layer 8 comprises PVC resin and CPVC resin.

To sum up, the utility model discloses when using, the inner chamber of protective layer 6 is filled with the wire net, one of polyethylene or polyvinyl chloride has been pour to the wire net outside, make the intensity of CPVC cable pipe strengthened, CPVC cable pipe can stand 1kg weight at 0 ℃ temperature, impact force of 2m height, fully reflect the shock resistance and can be applicable to the requirement under the construction environment condition completely, the material of anticorrosive coating 7 is cable pitch or melten gel, there is better anticorrosive ability, the material of nonlinear shielding layer 4 is the crosslinked polyolefin of two kinds or several kinds of mixture in doping carborundum, zirconium titanate, carbon black, graphite, carbon fiber, carbon nanotube, the material of nonlinear shielding layer 4 has stronger homogenization electric field distribution's ability in inhomogeneous electric field by oneself, when nonlinear shielding layer 4 can appear protruding, sunken etc. non-smooth defect in the insulating surface of CPVC cable pipe, the electric field distribution of homogenization defect department, reduce the biggest electric field intensity, promote anti-jamming capability, resin layer 8 adopts the mixture of PVC resin and CPVC resin as basic raw materials, the material cost has been reduced, its low temperature embrittlement has been improved, in order to improve its processability, improve impact strength, under the condition of special operation has been solved, intensity and the corrosion protection ability to the CPVC cable duct have certain requirement, and current CPVC cable duct does not generally have shielding function, under the condition that the cable received the interference, can't provide the problem that has certain interference killing feature to the cable.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a CPVC cable pipe with non-linear shielding layer, includes cable pipe body (1), its characterized in that: the left and right sides of cable pipe body (1) is equipped with tube head (2), the inner chamber of tube head (2) is opened has spread groove (3), cable pipe body (1) is including nonlinear shielding layer (4), insulating layer (5), protective layer (6), anticorrosive coating (7) and resin layer (8), cable pipe body (1) wraps up resin layer (8), anticorrosive coating (7), protective layer (6), insulating layer (5), nonlinear shielding layer (4) and resin layer (8) from outer to inner in proper order.

2. A CPVC cable pipe with a non-linear shielding layer as claimed in claim 1, wherein: the insulating layer (5) is made of a cross-linked polyethylene material.

3. A CPVC cable pipe with a non-linear shielding layer as claimed in claim 1, wherein: the inner cavity of the protective layer (6) is filled with a steel wire mesh, and one of polyethylene or polyvinyl chloride is poured outside the steel wire mesh.

4. A CPVC cable pipe with a non-linear shielding layer as claimed in claim 1, wherein: the material of the anticorrosive layer (7) is one of cable asphalt or melt adhesive.

5. A CPVC cable pipe with a non-linear shielding layer as claimed in claim 1, wherein: the diameters of the cable tube body (1) and the tube head (2) are respectively 50-70cm and 60-80 cm.