CN212570505U

CN212570505U - High-flame-retardant anti-freezing cable

Info

Publication number: CN212570505U
Application number: CN202021423371.8U
Authority: CN
Inventors: 王红梅; 杨莉娟
Original assignee: Shanghai Xuda Special Cable Co ltd
Current assignee: Shanghai Xuda Special Cable Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-02-19
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a high flame-retardant antifreezing cable in the technical field of cables, which comprises a cable body, wherein a plurality of conductors are arranged in the cable body, insulating layers are arranged on a plurality of conductors, a first filling layer is arranged between the insulating layers, a second filling layer is arranged at the center of the cable body, non-woven fabrics are arranged on the outer wall of the insulating layers, a braided layer is arranged on the non-woven fabrics, a third filling layer is arranged between the braided layer and the insulating layers, a sheath layer is arranged on the outer wall of the braided layer, the sheath layer is an antifreezing inner sheath, the protective inner sheath is composed of a rock wool heat-insulating layer, a rubber-plastic sponge layer and a rigid polyurethane foam layer, the first filling layer is made of resin material, the second filling layer is a calcium oxide filling layer, and the third filling layer is made of low-smoke zero-halogen polyolefin insulating material, the anti-freezing and high-temperature-resistant performance of the cable is improved, and the service life of the cable is prolonged.

Description

High-flame-retardant anti-freezing cable

Technical Field

The utility model relates to the technical field of cables, specifically be a high fire-retardant cable that prevents frostbite.

Background

Cables are typically made up of several wires or groups of wires. The cable is made of one or more conductors insulated from each other and an outer insulating protective layer, and is used for transmitting power or information from one place to another. Typically a rope-like cable made up of several or groups of conductors twisted about each other, with each group insulated from the other and often twisted about a center, with a highly insulating coating covering the entire outside.

In the conventional technology, the cable has poor stability, no flame retardant effect, low temperature in certain specific areas, no anti-freezing measures and poor corrosion resistance, and the service life of the cable is influenced.

Based on this, the utility model designs a high fire-retardant cable that prevents frostbite to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high fire-retardant cable that prevents frostbite to the cable stability who proposes in solving above-mentioned background is relatively poor, does not have flame retardant efficiency, and is lower at some specific area temperatures, does not have the antifreeze measure, and the corrosion resistance is poor, influences cable life problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high fire-retardant cable that prevents frostbite, includes the cable body, this internal a plurality of conductors that are provided with of cable, it is a plurality of be provided with the insulating layer on the conductor, be provided with first filling layer between a plurality of insulating layers, the center department of cable body is provided with the second filling layer, be provided with the non-woven fabrics on the outer wall of insulating layer, be provided with the weaving layer on the non-woven fabrics, the weaving layer with be provided with the third filling layer between the insulating layer, be provided with the restrictive coating on the outer wall of weaving layer, improved the freeze-proof high temperature resistance performance of cable, improvement.

As a further proposal of the utility model, the protective layer is the inner sheath that prevents frostbite, the inner sheath that protects comprises rock wool heat preservation, rubber and plastic sponge layer and rigid polyurethane foam blanket.

As a further aspect of the present invention, the first filling layer material is a resin material, the second filling layer is a calcium oxide filling layer, and the third filling layer material is a halogen-free low-smoke polyolefin insulating material.

As a further aspect of the present invention, it is a plurality of the conductors have the same diameter, and the surface material of the sheath layer is a mica tape.

As a further aspect of the present invention, the carrying rotating arm is provided with an inner arc, and the insulating layer is polyolefin plastic.

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

the utility model discloses a set up protective layer and a plurality of filling layer, improved the freeze protection performance and the high flame retardant property of cable greatly, can adapt to different areas and climatic conditions, improved the life of cable, practiced thrift the cost, improve the work efficiency of cable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

1. A cable body; 2. a conductor; 3. an insulating layer; 4. a first filling layer; 5. a second filling layer; 6. non-woven fabrics; 7. weaving layer; 8. a third filling layer; 9. a sheath layer.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a high fire-retardant cable that prevents frostbite, includes cable body 1, be provided with a plurality of conductors 2 in the cable body 1, it is a plurality of be provided with insulating layer 3 on the conductor 2, be provided with first filling layer 4 between a plurality of insulating layers 3, the center department of cable body 1 is provided with second filling layer 5, be provided with non-woven fabrics 6 on the outer wall of insulating layer 3, be provided with weaving layer 7 on the non-woven fabrics 6, weaving layer 7 with be provided with third filling layer 8 between the insulating layer 3, be provided with restrictive coating 9 on the outer wall of weaving layer 7, improved the freeze-proof high temperature resistance performance of cable, improvement cable life.

The sheath layer 9 is an anti-freezing inner sheath which is composed of a rock wool heat preservation layer, a rubber-plastic sponge layer and a hard polyurethane foam layer.

The material of the first filling layer 4 is a resin material, the material of the second filling layer 5 is a calcium oxide filling layer, and the material of the third filling layer 8 is a halogen-free low-smoke polyolefin insulating material.

The conductors 2 are the same in diameter, and the surface of the sheath layer 9 is made of mica tapes.

The insulating layer 3 is polyolefin plastic.

The working principle is as follows: above-mentioned cable during operation, at first, the staff places the place of work with the cable, the utility model discloses a set up protective layer and a plurality of filling layer, can adapt to different areas and climatic conditions, use in different areas, improved the freeze proof performance and the high flame retardant property of cable greatly, improved the life of cable, practiced thrift the cost, improve the work efficiency of cable.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a high fire-retardant cable that prevents frostbite, includes cable body (1), be provided with a plurality of conductors (2) in cable body (1), it is a plurality of be provided with insulating layer (3) on conductor (2), be provided with first filling layer (4) between a plurality of insulating layer (3), the center department of cable body (1) is provided with second filling layer (5), be provided with non-woven fabrics (6) on the outer wall of insulating layer (3), be provided with weaving layer (7) on non-woven fabrics (6), weaving layer (7) with be provided with third filling layer (8) between insulating layer (3), be provided with restrictive coating (9) on the outer wall of weaving layer (7).

2. The high flame retardant antifreeze cable of claim 1, wherein: the sheath layer (9) is an anti-freezing inner sheath which is composed of a rock wool heat preservation layer, a rubber and plastic sponge layer and a hard polyurethane foam layer.

3. The high flame retardant antifreeze cable of claim 1, wherein: the material of the first filling layer (4) is a resin material, the material of the second filling layer (5) is a calcium oxide filling layer, and the material of the third filling layer (8) is a halogen-free low-smoke polyolefin insulating material.

4. The high flame retardant antifreeze cable of claim 1, wherein: the conductors (2) are the same in diameter, and the surface of the sheath layer (9) is made of mica tapes.

5. The high flame retardant antifreeze cable of claim 1, wherein: the insulating layer (3) is made of polyolefin plastic.