CN211427902U

CN211427902U - Novel fire-resistant flame retarded cable protection line

Info

Publication number: CN211427902U
Application number: CN202020199971.4U
Authority: CN
Inventors: 高珊; 崔宝华; 周洪岩
Original assignee: Tianjin Xinzhongcheng Wire And Cable Co ltd
Current assignee: Tianjin Xinzhongcheng Wire And Cable Co ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-09-04
Anticipated expiration: 2030-02-24

Abstract

The utility model discloses a novel fire-resistant flame retarded cable protection line, including a plurality of conductors, it is a plurality of all be equipped with the insulating layer on the conductor, the insulating layer outside is equipped with the filling layer, the filling layer outside is equipped with the shielding layer, the outside of shielding layer is equipped with fire-retardant layer, the fire-retardant layer outside is equipped with the armor, the armor outside is equipped with the restrictive coating, be equipped with the enhancement layer between restrictive coating and the armor, the utility model discloses a setting up of fire-resistant flame retardant structure not only insulates against heat the lowering temperature, and wear-resisting tensile strength can all be more superior moreover, and life is high, guarantees the normal power supply of cable.

Description

Novel fire-resistant flame retarded cable protection line

Technical Field

The utility model relates to a relevant goods field of cable specifically is a novel fire-resistant flame retarded cable protection line.

Background

With the rapid development of the power industry and urban construction, the requirements of various industries on cables are higher and higher, but the existing common cable is formed by coating a layer of polyvinyl chloride insulating material or rubber insulating sheath outside two conductors such as copper wires or aluminum wires, and the structure is heat-resistant and fire-resistant, so that the coated material can be burnt when the conductors are overloaded, the interphase short circuit is caused, the fire hazard is caused, and certain defectiveness is realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel fire-resistant flame retarded cable protection line to the structure of proposing current ordinary cable in solving above-mentioned background art constitutes at two electric conductors like copper line or the outer cladding one deck polyvinyl chloride insulating material of aluminium wire or rubber insulation sheath, and this kind of structure is heat-labile, and is not fire-resistant, consequently can arouse the material burning of outsourcing when the conductor transships, causes alternate short circuit, causes the conflagration very dangerous problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel fire-resistant flame retarded cable protection line, is including a plurality of conductors, it is a plurality of all be equipped with the insulating layer on the conductor, the insulating layer outside is equipped with the filling layer, the filling layer outside is equipped with the shielding layer, the outside of shielding layer is equipped with fire-retardant layer, the fire-retardant layer outside is equipped with the armor, the armor outside is equipped with the restrictive coating, be equipped with the enhancement layer between restrictive coating and the armor.

Preferably, a plurality of the conductors are arranged in a rectangular shape by extrusion.

Preferably, the insulating layer is a crosslinked polyethylene insulating layer.

Preferably, the filling layer is of a soft polyvinyl chloride filling structure and has a thickness of 0.45mm

Preferably, the flame-retardant layer is a high-performance flame-retardant fiber.

Preferably, the armor layer is a galvanized steel strip wrapping structure.

Preferably, the sheath layer is a rubber wear-resistant cable material mixture.

Preferably, the reinforcing layer is made of nylon material.

Preferably, the shielding layer is a polyethylene shielding layer.

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

1. the novel fire-resistant flame-retardant cable protection wire has the advantages that the insulation layer is arranged outside the conductor to play a role in insulation, the insulation layer is a crosslinked polyethylene insulation layer, the environment stress cracking resistance is realized, the filling layer arranged outside the insulation layer is a soft polyvinyl chloride filling structure to increase the compression resistance, the flame-retardant layer is high-performance flame-retardant fiber, the self-extinguishing can be rapidly realized after the fire source is removed, the toxic smoke is less released, the armor layer is a galvanized steel strip wrapping structure and has good corrosion resistance, the sheath layer is a rubber wear-resistant cable material mixture, the wear resistance is high, the cracking is avoided, the nylon material is arranged through the reinforcing layer, the fatigue resistance and the thermal stability are stable, the electric insulation property of the polyethylene shielding layer is excellent, the fire-resistant flame-retardant structure is arranged to insulate heat and reduce the temperature, and the wear resistance and the tensile resistance are excellent, the service life is long, and the normal power supply of the cable is ensured.

Drawings

Fig. 1 is the structure schematic diagram of a novel fire-resistant flame-retardant cable protection line of the utility model.

In the figure: 1-conductor, 2-insulating layer, 3-filling layer, 4-shielding layer, 5-flame retardant layer, 6-armor layer, 7-sheath layer and 8-reinforcing 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.

Referring to fig. 1, the present invention provides an embodiment: the utility model provides a novel fire-resistant flame retarded cable protection line, includes a plurality of conductors 1, all is equipped with insulating layer 2 on a plurality of conductors 1, and the 2 outsides of insulating layer are equipped with filling layer 3, and the 3 outsides of filling layer are equipped with shielding layer 4, and shielding layer 4's the outside is equipped with fire-retardant layer, and the 5 outsides of fire-retardant layer are equipped with armor 6, and the 6 outsides of armor are equipped with restrictive coating 7, are equipped with enhancement layer 8 between restrictive coating 7 and the armor 6.

Further, the plurality of conductors 1 are arranged in a rectangular shape by extrusion.

Further, the insulating layer 2 is a crosslinked polyethylene insulating layer.

Further, the filling layer 3 is of a soft polyvinyl chloride filling structure and has a thickness of 0.45 mm.

Further, the flame-retardant layer 5 is a high-performance flame-retardant fiber.

Further, the armor layer 6 is a galvanized steel strip wrapping structure.

Further, the sheath layer 7 is a rubber wear-resistant cable material mixture.

Further, the reinforcing layer 8 is made of nylon material.

Further, the shield layer 4 is a polyethylene shield layer.

The working principle is as follows: 1 outside of conductor sets up the insulating layer and plays the isolation insulating action, insulating layer 2 is the crosslinked polyethylene insulating layer, environmental stress cracking resistance performance, 2 outsides of insulating layer set up filling layer 3 and be soft polyvinyl chloride filled structure, increase compressive property, flame retardant coating 5 is high performance fire-retardant fiber, can self-extinguish rapidly after leaving the flame source, and less release toxic smog, armor 6 is the galvanized steel strip around the package structure, good corrosion resisting property has, restrictive coating 7 is the wear-resisting cable material mixture of rubber, wear resistance is high, avoid taking place to break, set up to the nylon materials through enhancement layer 8, fatigue resistance and thermal stability are all more stable, shielding layer 4 is that polyethylene shielding layer electrical insulation is good.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel fire-resistant fire-retardant cable protection line, includes a plurality of conductors (1), its characterized in that: it is a plurality of all be equipped with insulating layer (2) on conductor (1), the insulating layer (2) outside is equipped with filling layer (3), the filling layer (3) outside is equipped with shielding layer (4), the outside of shielding layer (4) is equipped with fire-retardant layer, fire-retardant layer (5) outside is equipped with armor (6), the armor (6) outside is equipped with restrictive coating (7), be equipped with enhancement layer (8) between restrictive coating (7) and armor (6).

2. The novel fire-resistant and flame-retardant cable protection wire according to claim 1, characterized in that: the conductors (1) are arranged in a rectangular extrusion mode.

3. The novel fire-resistant and flame-retardant cable protection wire according to claim 1, characterized in that: the insulating layer (2) is a cross-linked polyethylene insulating layer.

4. The novel fire-resistant and flame-retardant cable protection wire according to claim 1, characterized in that: the filling layer (3) is of a soft polyvinyl chloride filling structure, and the thickness of the filling layer is 0.45 mm.

5. The novel fire-resistant and flame-retardant cable protection wire according to claim 1, characterized in that: the flame-retardant layer (5) is made of high-performance flame-retardant fibers.

6. The novel fire-resistant and flame-retardant cable protection wire according to claim 1, characterized in that: the armor layer (6) is of a galvanized steel strip wrapping structure.

7. The novel fire-resistant and flame-retardant cable protection wire according to claim 1, characterized in that: the sheath layer (7) is a rubber wear-resistant cable material mixture.

8. The novel fire-resistant and flame-retardant cable protection wire according to claim 1, characterized in that: the reinforcing layer (8) is made of nylon material.

9. The novel fire-resistant and flame-retardant cable protection wire according to claim 1, characterized in that: the shielding layer (4) is a polyethylene shielding layer.