CN210091745U

CN210091745U - Fire-resistant rare earth high-iron aluminum alloy cable core

Info

Publication number: CN210091745U
Application number: CN201921012256.9U
Authority: CN
Inventors: 张俊波; 方伟丽
Original assignee: Jiangxi Shuangdi Wire And Cable Co Ltd
Current assignee: Jiangxi Shuangdi Wire And Cable Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-02-18
Anticipated expiration: 2029-07-02

Abstract

The utility model relates to a fire-resistant tombarthite high-speed railway aluminum alloy cable core field discloses a fire-resistant tombarthite high-speed railway aluminum alloy cable core, to the poor problem of cable conductor bending property of the manufacturing of utilizing fire-resistant tombarthite high-speed railway aluminum alloy cable core preparation among the prior art, the following scheme is put forward now, and it includes cable and a plurality of fixed plate, the cable comprises outer protective layer, winding band layer, insulating layer and a plurality of sinle silk body from outside to inside, the insulating layer parcel is in the outside of sinle silk body, a plurality of fixed orificess have evenly been seted up on the fixed plate, are equipped with the interval between two adjacent fixed orificess, and the connecting hole has all been seted up to one side of a plurality of fixed orificess, sinle silk. The utility model discloses rational in infrastructure, design benefit, easy operation has solved the poor problem of cable conductor bending property of the manufacturing of utilizing fire-resistant tombarthite high-iron aluminum alloy cable core preparation among the prior art, easily uses widely.

Description

Fire-resistant rare earth high-iron aluminum alloy cable core

Technical Field

The utility model relates to a fire-resistant tombarthite high-iron aluminum alloy cable core field especially relates to a fire-resistant tombarthite high-iron aluminum alloy cable core.

Background

At present, the conductor wire core for power transmission in China is mainly a copper conductor, and with the increase of the demand of the copper conductor of electronic products, the contradiction that copper resources are scarce is increasingly prominent, so that aluminum wires are used to replace copper wires. But pure aluminum wire tensile property and high temperature resistance are poor, and in order to solve the problem, people invent a core of a refractory rare earth high-iron aluminum alloy, which has good high temperature and tensile properties and is commonly used in the manufacturing process of cables. At present, when the cable is manufactured by utilizing the cable cores, the cable cores are mutually contacted and wrapped in the cable protective layer, the cable is difficult to bend due to no gap left between the cable cores when the cable is bent due to the placement, and the bending performance of the cable is further influenced, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of fire-resistant tombarthite high-iron aluminum alloy cable core has solved the poor problem of cable conductor bending property of the manufacturing that utilizes fire-resistant tombarthite high-iron aluminum alloy cable core to make among the prior art.

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

the utility model provides a fire-resistant tombarthite high-speed railway aluminum alloy cable core, includes cable and a plurality of fixed plate, the cable comprises outer protective layer, winding band layer, insulating layer and a plurality of sinle silk body from outside to inside, the insulating layer parcel is in the outside of sinle silk body, a plurality of fixed orificess have evenly been seted up on the fixed plate, are equipped with the interval between two adjacent fixed orificess, and the connecting hole has all been seted up to one side of a plurality of fixed orificess, sinle silk body joint is in the inside of fixed orifices, be equipped with mica band layer between winding band layer and the outer protective layer.

Preferably, the insulating layer is made of a silane cross-linked polyethylene material, and the outer protective layer is made of a low-smoke halogen-free polyolefin material.

Preferably, the fixing plate is made of hard PVC material.

Preferably, the opening of the connecting hole is in a conical structure, and the opening of one side of the connecting hole close to the fixing hole is larger than the opening of one side of the connecting hole far away from the fixing hole.

Preferably, the cable is externally wound with a steel wire tape.

The utility model discloses in:

1. through the matching between the fixing plate and the fixing hole, the purpose of reserving intervals between the adjacent wire core bodies is achieved, and the situation that the bending difficulty is increased due to the mutual obstruction between the adjacent wire core bodies in the bending process is avoided;

2. the installation between convenient fixed plate and the sinle silk body is fixed through setting up of connector.

The utility model discloses rational in infrastructure, design benefit, easy operation has solved the poor problem of cable conductor bending property of the manufacturing of utilizing fire-resistant tombarthite high-iron aluminum alloy cable core preparation among the prior art, easily uses widely.

Drawings

Fig. 1 is a cross-sectional view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a front view of the present invention.

Reference numbers in the figures: 1 cable, 2 mica tape layer, 3 around band layer, 4 fixed plates, 5 connectors, 6 insulating layers, 7 sinle silk bodies, 8 fixed holes, 9 outer protective layers and 10 steel silk ribbons.

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. 1-3, a fire-resistant tombarthite high-iron aluminum alloy cable core, including cable 1 and a plurality of fixed plate 4, cable 1 is from outside to inside by outer protective layer 9, around band layer 3, insulating layer 6 and a plurality of sinle silk body 7 are constituteed, insulating layer 6 wraps up in the outside of sinle silk body 7, a plurality of fixed orificess 8 have evenly been seted up on the fixed plate 4, be equipped with the interval between two adjacent fixed orificess 8, and connecting hole 5 has all been seted up to one side of a plurality of

fixed orificess

8, 7 joints of sinle silk body are in the inside of fixed orificess 8, be equipped with mica tape layer 2 between band layer 3 and the outer protective.

In this embodiment, the insulating layer 6 is made of a silane cross-linked polyethylene material, the outer protective layer 9 is made of a low-smoke halogen-free polyolefin material, the fixing plate 4 is made of a hard PVC material, the opening of the connecting hole 5 is of a conical structure, the opening of one side, close to the fixing hole 8, of the connecting hole 5 is larger than the opening of one side, far away from the fixing hole 8, of the connecting hole 5, and the wire belt 10 is wound on the outer portion of the cable 1.

In the embodiment, compared with the traditional polyvinyl chloride insulation, the silane crosslinked polyethylene has the advantages of low smoke, no halogen, better fire resistance and longer service life, and the low smoke, no halogen and polyolefin material has no pollution to the environment and does not generate toxic halogen smoke during combustion.

The working principle is as follows: because the existence of fixed plate 4 for can not contact between the adjacent sinle silk body 7, thereby leave the space of buffering for the bending, make cable 1 when crooked, insulating layer 6 outside sinle silk body 7 can not support each other and increase the crooked degree of difficulty of cable 1, the outside winding steel wire belt 10 of outer cable 1 has further played the guard action to cable 1, has avoided cable 1 by external object fish tail.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fire-resistant tombarthite high-speed railway aluminum alloy cable core, includes cable (1) and a plurality of fixed plate (4), its characterized in that, cable (1) is from outer to interior by outer protective layer (9), constitute around band layer (3), insulating layer (6) and a plurality of sinle silk body (7), insulating layer (6) parcel is in the outside of sinle silk body (7), a plurality of fixed orificess (8) have evenly been seted up on fixed plate (4), are equipped with the interval between two adjacent fixed orificess (8), and connecting hole (5) have all been seted up to one side of a plurality of fixed orificess (8), sinle silk body (7) joint is in the inside of fixed orificess (8), be equipped with mica tape layer (2) between around band layer (3) and outer protective layer (9).

2. The cable core of claim 1, wherein the insulating layer (6) is made of a silane crosslinked polyethylene material, and the outer protective layer (9) is made of a low smoke zero halogen polyolefin material.

3. The cable core of claim 1, wherein the fixing plate (4) is made of hard PVC material.

4. The cable core according to claim 1, wherein the opening of the connecting hole (5) is a tapered structure, and the opening of the connecting hole (5) on the side close to the fixing hole (8) is larger than the opening of the connecting hole (5) on the side far away from the fixing hole (8).

5. The cable core of claim 1, wherein the cable (1) is externally wrapped with a steel tape (10).