CN201340753Y

CN201340753Y - Environmental-friendly locomotive vehicle cable for railway transportation

Info

Publication number: CN201340753Y
Application number: CNU2009201427314U
Authority: CN
Inventors: 汤传盛; 刘玉明; 常峻; 黄军
Original assignee: Anhui Wuzhou Special Cable Group Co Ltd
Current assignee: Anhui Wuzhou Special Cable Group Co Ltd
Priority date: 2009-01-14
Filing date: 2009-01-14
Publication date: 2009-11-04
Anticipated expiration: 2019-01-14

Abstract

Disclosed is an environment-friendly locomotive vehicle cable for railway transportation which is characterized in that a conductor is stranded by a plurality of tinned copper wires, a polyester ether thermoplastic elastomer TPE-E is extruded on the conductor to form an insulating wire core. The single insulating wire core is independent of the single-core cable core or a plurality of insulating core wires are stranded to a multi-core cable core, and the outside of the single-core cable core or the multi-core cable core is provided with a sheathing layer made from polyetherimide materials. The utility model has the characteristics of oil resistance, heat resistance, age resistance, flame retardation, bending resistance, thin insulation, softness, and the like, and can be adapted to the bad operation environment of locomotive vehicles, and has environment-protection security.

Description

Track traffic environment-friendly type rolling stock cable

Technical field

The utility model relates to a kind of track traffic power cable, relates in particular to a kind of track traffic with environment-friendly type rolling stock cable, belongs to technical field of electric wires and cables.

Background technology

The structure of track traffic rolling stock cable: in copper conductor, insulating barrier, (screen), sheath etc. are arranged.Such cable of tradition often contains fluorine, chlorine, nitrogen, lead, cadmium etc. owing to insulating barrier and restrictive coating employing is plastics or mixed rubber material.Produce public hazards materials such as a large amount of dense smoke, dioxin, acid gas during burning.

At present,, force the material of the commercial compliance with environmental protection requirements of cable factory to replace traditional material, make environment-friendly cable or what is called " cleaning cable " along with the development of science skill and the reinforcement of environmental protection concept.The particularity that the track traffic used for rolling stock makes needs cable to have characteristics such as low cigarette, Halogen, fire-retardant, oil resistant, heat-resisting, softness, guarantees the fail safe of using.But the material that uses is difficult to satisfy fully simultaneously above-mentioned requirements at present.

The utility model content

The utility model purpose provides a kind of track traffic with environment-friendly type rolling stock cable, makes it have characteristics such as oil resistant, heat-resisting, ageing-resistant, fire-retardant, anti-bending, environmental protection and softness, adapting to the rolling stock rugged environment, and can have Environmental Safety.

The utility model technical solution problem adopts following technical scheme:

The utility model track traffic is that conductor is twisted into by many tinned copper wires with the design feature of environment-friendly type rolling stock cable, extrude polyester-ether thermoplastic elastomer (TPE) TPE-E on the conductor and constitute insulated wire cores, single insulated wire cores independence Cheng Danxin cable core or thoroughly do away with the edge heart yearn more and be twisted into the multicore cable core is the restrictive coating of material with the Polyetherimide in the outer setting of described single core cable core or multicore cable core.

Design feature of the present utility model also is:

Internal layer setting at described restrictive coating is woven the screen that forms by tinned copper wire.

Described conductor is the bundle strand or strand strand composite construction of tinned copper wire, and the stranded lay ratio of conductor is 14-20, and the filament diameter of tinned copper wire is 0.2-0.5mm; The single wire fracture percentage elongation is no less than 15%.

Described multicore cable core is the 2-48 core.

Rated voltage of the present utility model is at 300/500V～1.8/3kV.

Compared with the prior art, the utility model beneficial effect is embodied in:

1, the utlity model has higher flexibility, adapt to the little requirement of locomotive Cable Bending Radius, bending radius is not more than 2-4 times of the outside diameter of cable, helps cable laying and installs;

2, finished cable temperature resistant grade of the present utility model reaches 130-150 ℃, has improved the ampacity and the cable overload capacity of cable;

3, the insulating material in the utility model adopts polyester-ether thermoplastic elastomer TPE-E, and material resistance is higher, and dielectric loss is less, and the highest long-term permission serviceability temperature of conductor can reach 150 ℃, electric performance stablity;

4, insulating material of the present utility model and sheath material satisfy the requirement of locomotive cables such as low cigarette, fire-retardant, oil resistant, heatproof, halogen-free environmental;

5, the utlity model has anti-mineral oil, fuel oil resistance again, fire-retardant oxygen index reaches 48.

Description of drawings

Fig. 1 is the utility model list core pattern construction of cable schematic diagram.

Fig. 2 is the utility model two core pattern construction of cable schematic diagrames.

Fig. 3 is the utility model multi-core ribbon screen construction of cable schematic diagram.

Number in the figure: 1 conductor; 2 insulating barriers; 3 packed layers; 4 screens; 5 restrictive coatings.

Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.

Embodiment

Embodiment 1:

Referring to Fig. 1, present embodiment is a single-core cable, and conductor 1 adopts the lay configuration of tinned copper wire, closely extrudes polyester-ether thermoplastic elastomer TPE-E and form insulating barrier 2 on conductor 1, forms Polyetherimide restrictive coating 5 in the outside of insulating barrier 2 by extruding.

In concrete the enforcement, conductor 1 is the bundle strand or strand strand composite construction of tinned copper wire, and the stranded lay ratio of conductor is 14-20, and the filament diameter of tinned copper wire is 0.2-0.5mm; The single wire fracture percentage elongation is no less than 15%, has flexibility and surperficial rounding property preferably to guarantee conductor, and insulating barrier is easily peeled off, and allows wrapped or vertical bag fire-resistant thin nonwoven fabrics separator on the conductor 1;

Embodiment 2:

Present embodiment is a multi-core cable structure, can be the 2-48 core.

Figure 2 shows that two core shield type cables with packed layer 3, Figure 3 shows that seven core shield type cables with packed layer 3, at the screen 4 that the internal layer setting of restrictive coating 5 is formed by the tinned copper wire braiding, braiding angle is between the 35-55 degree; The selection of other version and respective material is with embodiment 1.

Claims

1, a kind of track traffic environment-friendly type rolling stock cable, it is characterized in that what conductor was twisted into by many tinned copper wires, extrude polyester-ether thermoplastic elastomer (TPE) TPE-E on the conductor and constitute insulated wire cores, single insulated wire cores independence Cheng Danxin cable core or thoroughly do away with the edge heart yearn more and be twisted into the multicore cable core is the restrictive coating of material with the Polyetherimide in the outer setting of described single core cable core or multicore cable core.

2, track traffic according to claim 1 is characterized in that being woven the screen that forms by tinned copper wire in the internal layer setting of described restrictive coating with environment-friendly type rolling stock cable.

3, track traffic according to claim 1 and 2 is characterized in that with environment-friendly type rolling stock cable described conductor is the bundle strand or strand strand composite construction of tinned copper wire, and the stranded lay ratio of conductor is 14-20, and the filament diameter of tinned copper wire is 0.2-0.5mm; The single wire fracture percentage elongation is no less than 15%.

4, track traffic according to claim 1 and 2 is characterized in that with environment-friendly type rolling stock cable described multicore cable core is the 2-48 core.