CN219676942U

CN219676942U - Flame-retardant sheath cable for locomotive

Info

Publication number: CN219676942U
Application number: CN202320816550.5U
Authority: CN
Inventors: 曹华; 杨震; 朱琴
Original assignee: Jiangsu Dongfang Cable Material Co ltd
Current assignee: Jiangsu Dongfang Cable Material Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-09-12
Anticipated expiration: 2033-04-13

Abstract

The utility model belongs to the technical field of flame-retardant sheath cables, and particularly relates to a flame-retardant sheath cable for a locomotive, which comprises a sheath body, a flame-retardant layer, a filler and a conductor core, wherein the sheath body is coated and arranged on the outer side of the flame-retardant layer, the flame-retardant layer is coated on the outer side of the flame-retardant layer, the filler is filled in a cavity of the flame-retardant layer, and the conductor core is arranged in the cavity of the flame-retardant layer. According to the flame-retardant sheath cable for the locomotive, which is designed by the utility model, through the matching design, the flame-retardant sheath cable has a high flame-retardant use effect, through the design of the flame-retardant layer, the tensile rebound effect of the cable can be improved, and through the design of the first stone mill expansion layer, when the cable is on fire, the effect of isolating fire can be achieved through the characteristic that the first stone mill expansion layer expands when encountering fire, the damage to the conductor core in the cable is avoided, and the stone mill expansion layer has the characteristic of self-extinguishing when leaving fire, so that the fire can be effectively prevented from spreading.

Description

Flame-retardant sheath cable for locomotive

Technical Field

The utility model relates to the technical field of flame-retardant sheath cables, in particular to a flame-retardant sheath cable for a locomotive.

Background

The locomotive cable is suitable for electric energy transmission, signal control and other various electrical devices with flame retardant requirements of various locomotives and urban rail metro vehicles, the existing locomotive flame retardant sheath cable can meet the flame retardant effect when meeting fire, but the fire loss cannot be reduced to the minimum, conductors in the cable are still damaged, the using effect is affected, and the existing locomotive flame retardant sheath cable needs to be inserted on a locomotive when being wired, so that a larger tensile rebound effect is needed, and the tensile rebound effect of the existing cable is insufficient.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a flame-retardant sheath cable for a locomotive, which solves the problems that the flame-retardant sheath cable for the locomotive cannot reduce the fire loss to the minimum and the tensile rebound effect of the flame-retardant sheath cable is insufficient.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a fire-retardant sheath cable that locomotive was used, includes sheath body, flame retardant coating, filler and conductor core, sheath body cladding sets up in the outside of flame retardant coating, the flame retardant coating cladding is in the outside of flame retardant coating, the intracavity packing of flame retardant coating is provided with the filler, be provided with the conductor core in the cavity of flame retardant coating, filler cladding conductor core sets up.

Further, the sheath body is made of a low-smoke halogen-free material.

Further, the fire-resistant layer is composed of a tensile shell and a first stone mill expansion layer, and the tensile shell is coated on the outer side of the first stone mill expansion layer.

Further, the flame retardant layer comprises an aluminum skin layer and a flame retardant mica layer, and the aluminum skin layer is wrapped and wound on the outer side of the flame retardant mica layer.

Further, the filler is made of glass fiber.

Further, an insulating layer is arranged on the outer side of the conductor core in a coating mode, and a second stone mill expansion layer is arranged on the outer side of the insulating layer in a coating mode.

(III) beneficial effects

Compared with the prior art, the utility model provides the flame-retardant sheath cable for the locomotive, which has the following beneficial effects:

according to the designed locomotive flame-retardant sheath cable, through the matching design, the flame-retardant sheath cable has a high flame-retardant use effect, through the design of the flame-retardant layer, the tensile rebound effect of the cable can be improved, and when the cable is on fire, the effect of isolating fire can be achieved through the characteristic that the first stone mill expansion layer expands when encountering fire, the damage to the conductor core inside is avoided, and the stone mill expansion layer has the characteristic of self-extinguishing when leaving fire, so that the fire can be effectively prevented from spreading, and the flame-retardant effect is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the fire resistant layer and the fire retardant layer of the present utility model.

In the figure: 1. a sheath body; 2. a refractory layer; 201. a tensile shell; 202. a first stone mill expansion layer; 3. a flame retardant layer; 301. an aluminum skin layer; 302. a flame retardant mica layer; 4. a filler; 5. a conductor core; 501. an insulating layer; 502. and a second stone mill expansion layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 and fig. 2, the flame-retardant sheath cable for a locomotive provided by one embodiment of the utility model comprises a sheath body 1, a flame retardant layer 2, a flame retardant layer 3, a filler 4 and a conductor core 5, the flame-retardant sheath cable for a locomotive designed by the scheme realizes a high flame-retardant use effect through a matching design, and has a better tensile rebound effect, meets the use requirement, the sheath body 1 is coated on the outer side of the flame retardant layer 2, the flame retardant layer 2 is coated on the outer side of the flame retardant layer 3, the filler 4 is filled in a cavity of the flame retardant layer 3, the conductor core 5 is coated by the filler 4, the flame-retardant sheath body 1 made of a low smoke halogen-free material is provided, the flame-retardant cable is manufactured by a spiral iron strip, the rebound effect is improved when the flame-retardant cable is combusted, the cable is convenient to drag and use when being arranged in a flat wiring, the use effect of the cable is improved, the first expansion layer 202 is in contact with the volume of the flame-retardant layer 3, the flame-retardant layer 2 is not endangered by the expansion layer 2, the characteristics of the first expansion assembly is improved, the expansion assembly is prevented from being endangered by the expansion of the first expansion layer 202, the expansion assembly is prevented from being coated by the first expansion layer 2, the expansion assembly is prevented from being endangered by the expansion layer 1, the expansion assembly is prevented from being repeatedly coated by the expansion layer 1, and the expansion assembly is prevented from being in the expansion layer 1, and the expansion assembly is prevented from being endangered by the expansion layer, and the expansion assembly is prevented, the design of conductor core 5 satisfies the user demand, ensures cable normal use effect, and the overall design of this scheme satisfies the user demand, and overall structure is less, has improved flame retardant efficiency.

As shown in fig. 1, in some embodiments, the sheath body 1 is made of a low-smoke halogen-free material, and the design of the sheath body 1 meets the use requirement, so that the cable protection effect is achieved, and when a fire occurs, the smoke generation can be reduced, so that the cable protection device is beneficial to fire fighting and emergency rescue.

As shown in fig. 2, in some embodiments, the fire-resistant layer 2 is composed of a tensile shell 201 and a first stone mill expansion layer 202, the tensile shell 201 is coated on the outer side of the first stone mill expansion layer 202, the fire-retardant layer 3 is composed of an aluminum skin layer 301 and a fire-retardant mica layer 302, the aluminum skin layer 301 is coated and wound on the outer side of the fire-retardant mica layer 302, the fire-resistant layer 2 can be flame-retardant, the cable has a better tensile rebound effect, and the fire-retardant layer 3 is matched with the fire-resistant layer 2 to realize multi-layer flame-retardant protection, so that fire damage to the cable is reduced to the minimum.

As shown in fig. 1, in some embodiments, the filler 4 is made of glass fiber, the insulating layer 501 is coated on the outer side of the conductor core 5, the second stone-grinding expansion layer 502 is coated on the outer side of the insulating layer 501, and the design of the filler 4 and the conductor core 5 meets the use requirement of the cable, so that the cable can be ensured to be normally connected for use.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a fire-retardant sheath cable that locomotive was used, includes sheath body (1), flame retardant coating (2), flame retardant coating (3), filler (4) and conductor core (5), its characterized in that: the fire-retardant sheath is characterized in that the sheath body (1) is arranged on the outer side of the fire-retardant layer (2) in a coating mode, the fire-retardant layer (2) is arranged on the outer side of the fire-retardant layer (3) in a coating mode, a filler (4) is filled in a cavity of the fire-retardant layer (3), a conductor core (5) is arranged in the cavity of the fire-retardant layer (3), and the filler (4) coats the conductor core (5) in a coating mode.

2. A flame retardant jacketed cable for a locomotive as in claim 1, wherein: the sheath body (1) is made of a low-smoke halogen-free material.

3. A flame retardant jacketed cable for a locomotive as in claim 1, wherein: the fire-resistant layer (2) is composed of a tensile shell (201) and a first stone mill expansion layer (202), and the tensile shell (201) is coated on the outer side of the first stone mill expansion layer (202).

4. A flame retardant jacketed cable for a locomotive as in claim 1, wherein: the flame-retardant layer (3) is composed of an aluminum skin layer (301) and a flame-retardant mica layer (302), and the aluminum skin layer (301) is wrapped and wound on the outer side of the flame-retardant mica layer (302).

5. A flame retardant jacketed cable for a locomotive as in claim 1, wherein: the filler (4) is made of glass fiber.

6. A flame retardant jacketed cable for a locomotive as in claim 1, wherein: an insulating layer (501) is coated on the outer side of the conductor core (5), and a second stone mill expansion layer (502) is coated on the outer side of the insulating layer (501).