CN216957543U

CN216957543U - Anti-aging railway cable with flame-retardant function

Info

Publication number: CN216957543U
Application number: CN202123246040.9U
Authority: CN
Inventors: 韩嘉伟; 王翔; 贾煜辉; 李阳; 商亮
Original assignee: Shaanxi Kunming Cable Manufacturing Group Co ltd
Current assignee: Shaanxi Kunming Cable Manufacturing Group Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-07-12
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses an anti-aging railway cable with a flame-retardant function, which comprises a plurality of wire cores, wherein an insulating layer is fixedly sleeved outside the wire cores, a high-temperature-resistant layer is fixedly sleeved on one side, away from the wire cores, of the insulating layer, a flame-retardant layer is arranged on one side, away from the insulating layer, of the high-temperature-resistant layer, and a heat-insulating layer is arranged on one side, away from the high-temperature-resistant layer, of the flame-retardant layer. Through the setting of the insulating layer, the insulating protection effect can be played to the sinle silk, the high temperature resistant ability of cable can be strengthened in the setting of high temperature resistant layer, the flame retardant property of cable can be strengthened in the setting of fire-retardant layer, the insulating layer can strengthen the heat insulating ability of cable, the waterproof layer can strengthen the waterproof ability of cable, the anti-aging ability of cable can be strengthened in the setting of ageing resistant layer, through the setting of multilayer structure, the ageing resistance and the flame retardant property of cable can be effectively strengthened in the utility model, thereby the safety in utilization and the life of cable have been promoted.

Description

Anti-aging railway cable with flame-retardant function

Technical Field

The utility model relates to the technical field of cables, in particular to an anti-aging railway cable with a flame-retardant function.

Background

The cable is generally a rope-like cable formed by twisting several or several groups of conductors (at least two in each group), wherein the conductors in each group are insulated from each other and usually twisted around a center, and the whole outer surface is covered by a highly insulating covering layer.

Railway cable exposes in the open air for a long time, and the unavoidable can the manager be blown by the wind and is shone, and long-time sunshine shines the ageing that can accelerate cable sheathing, especially in summer under the sunshine's of high temperature forced irradiation circumstances, and the cable is through reflecting the fracture easily after insolating, and the cable of fracture has influenced normal use, greatly reduces the life of cable, and takes place the condition of catching fire easily under high temperature environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, a railway cable is exposed outdoors for a long time, a manager is difficult to avoid being blown by wind and rain, and long-time sunlight irradiation accelerates the aging of a cable sheath and is easy to catch fire in a high-temperature environment.

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

the utility model provides a cable for ageing resistance railway with fire-retardant function, includes a plurality of sinle silks, the fixed cover in outside of sinle silk is equipped with the insulating layer, the fixed cover in one side that the sinle silk was kept away from to the insulating layer is equipped with high temperature resistant layer, one side that the insulating layer was kept away from on high temperature resistant layer is equipped with fire-retardant layer, one side that fire-retardant layer was kept away from on fire-retardant layer is equipped with the insulating layer, one side that fire-retardant layer was kept away from on the insulating layer is equipped with the waterproof layer, the waterproof layer is kept away from being equipped with anti-aging layer of insulating layer.

Preferably, the insulating layer is a corona resistant polyamideimide coating.

Preferably, the high temperature resistant layer is an ethylene propylene diene monomer layer.

Preferably, the flame retardant layer is a polyamide flame retardant layer.

Preferably, the heat insulation layer is a phase-change flame-retardant fabric layer.

Preferably, the waterproof layer is a film-coated polytetrafluoroethylene alkali-free glass fiber cloth layer.

Preferably, the anti-aging layer is a fluorinated ethylene propylene anti-aging layer.

Has the advantages that:

through the arrangement of the insulating layer, the cable core can be subjected to insulation protection, the high-temperature-resistant layer can be arranged, the high-temperature-resistant capability of the cable can be enhanced, the flame-retardant capability of the cable can be enhanced, the heat-insulating layer can be arranged, the heat-insulating capability of the cable can be enhanced, the waterproof layer can be arranged, the waterproof capability of the cable can be enhanced, the anti-aging capability of the cable can be enhanced, and the anti-aging capability and the flame-retardant capability of the cable can be effectively enhanced through the arrangement of the multilayer structure, so that the use safety and the service life of the cable are improved.

Drawings

Fig. 1 is a schematic structural diagram of an anti-aging railway cable with a flame retardant function according to the present invention.

In the figure: 1 sinle silk, 2 insulating layers, 3 high temperature resistant layers, 4 fire-retardant layers, 5 insulating layers, 6 waterproof layers, 7 ageing resistant layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, the anti-aging railway cable with the flame retardant function comprises a plurality of wire cores 1, wherein an insulating layer 2 is fixedly sleeved outside the wire cores 1 and used for insulating and protecting the wire cores 1, and the insulating layer 2 is a corona-resistant polyamide imide coating and is used for enhancing the insulating and protecting capacity of the insulating layer 2;

in the embodiment, a high-temperature-resistant layer 3 is fixedly sleeved on one side, away from a wire core 1, of an insulating layer 2, so that the high-temperature-resistant capability of the cable is enhanced, the high-temperature-resistant layer 3 is an ethylene propylene diene monomer rubber layer, a flame-retardant layer 4 is arranged on one side, away from the insulating layer 2, of the high-temperature-resistant layer 3, and the flame-retardant layer 4 is a polyamide flame-retardant layer so that the flame-retardant capability of the cable is enhanced;

in the embodiment, a heat insulation layer 5 is arranged on one side of the flame-retardant layer 4, which is far away from the high temperature resistant layer 3, so that the heat insulation capability of the cable is enhanced, the heat insulation layer 5 is a phase-change flame-retardant fabric layer, a waterproof layer 6 is arranged on one side of the heat insulation layer 5, which is far away from the flame-retardant layer 4, so that the waterproof capability of the cable is enhanced, the waterproof layer 6 is a coated polytetrafluoroethylene alkali-free glass fiber fabric layer, and the waterproof effect of the waterproof layer 6 is enhanced;

in this embodiment, waterproof layer 6 is kept away from being equipped with anti aging layer 7 of insulating layer 5, the ageing resistance of reinforcing cable, and anti aging layer 7 is for gathering perfluor ethylene propylene anti aging layer, the ageing resistance of reinforcing anti aging layer 7.

In this embodiment, through insulating layer 2's setting, can play insulation protection to sinle silk 1, the high temperature resistant ability of cable can be strengthened in the setting on high temperature resistant layer 3, the fire-retardant ability of cable can be strengthened in the setting on fire-retardant layer 4, the setting of insulating layer 5, the thermal-insulated ability of cable can be strengthened, the waterproof layer 6's setting can strengthen the waterproof ability of cable, the anti-aging ability of cable can be strengthened in the setting of ageing resistance layer 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a cable for ageing resistance railway with fire-retardant function, includes a plurality of sinle silks (1), its characterized in that: the fixed cover in outside of sinle silk (1) is equipped with insulating layer (2), the fixed cover in one side that sinle silk (1) were kept away from in insulating layer (2) is equipped with high temperature resistant layer (3), one side that insulating layer (2) were kept away from in high temperature resistant layer (3) is equipped with fire-retardant layer (4), one side that fire-retardant layer (3) were kept away from in fire-retardant layer (4) is equipped with insulating layer (5), one side that fire-retardant layer (4) were kept away from in insulating layer (5) is equipped with waterproof layer (6), waterproof layer (6) are kept away from being equipped with anti-aging layer (7) of insulating layer (5).

2. The cable with flame retardant function for anti-aging railways according to claim 1, characterized in that: the insulating layer (2) is a corona-resistant polyamide-imide coating.

3. The cable with flame retardant function for anti-aging railways according to claim 1, characterized in that: the high-temperature resistant layer (3) is an ethylene propylene diene monomer rubber layer.

4. The cable with flame retardant function for anti-aging railways according to claim 1, characterized in that: the flame-retardant layer (4) is a polyamide flame-retardant layer.

5. The cable with flame retardant function for anti-aging railways according to claim 1, characterized in that: the heat insulation layer (5) is a phase-change flame-retardant fabric layer.

6. The cable with flame retardant function for anti-aging railways according to claim 1, characterized in that: the waterproof layer (6) is a film-coated polytetrafluoroethylene alkali-free glass fiber cloth layer.

7. The cable with flame retardant function for anti-aging railways according to claim 1, characterized in that: the anti-aging layer (7) is a fluorinated ethylene propylene anti-aging layer.