CN217280146U

CN217280146U - Plastic insulation control cable capable of preventing frost cracking

Info

Publication number: CN217280146U
Application number: CN202123249833.6U
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: 2022-08-23
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a frost crack prevention plastic insulation control cable, which comprises a plurality of wire cores, wherein heat preservation cotton is inserted between the wire cores, the outer part of the wire cores is fixedly sleeved with an insulating layer, the outer part of the wire cores is sleeved with a heat preservation layer, one side of the heat preservation layer, which is far away from the wire cores, is fixedly sleeved with an elastic layer, one side of the elastic layer, which is far away from the heat preservation layer, is provided with a heat preservation layer, the setting of the heat preservation cotton can enhance the frost crack prevention capability of the cable, and the setting of the insulating layer can play an insulation protection role on the wire cores, the setting of the heat preservation layer can enhance the frost crack prevention capability of the cable, meanwhile, the setting of the elastic layer can enhance the elastic bending resistance capability of the cable, the setting of the heat preservation layer can enhance the heat insulation capability and heat preservation capability of the cable, the setting of an anti-corrosion layer can enhance the anti-corrosion capability of the cable, and the utility model discloses a multilayer structure is arranged, the anti-frost crack capability of the control cable can be effectively enhanced, so that the application range of the control cable is widened.

Description

Plastic insulation control cable capable of preventing frost cracking

Technical Field

The utility model relates to the technical field of cables, especially, relate to a plastics insulation control cable that prevents frostbite and split.

Background

The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, outdoor temperature in winter in northern areas of China is below zero year, the cable in the area can be in a low-temperature working state in half of the year, and a cable sheath made of rubber materials can be embrittled in a low-temperature state.

However, the internal structure of the existing control cable is simpler, and the heat preservation and anti-freezing capacity of the control cable is poorer, so that the application range of the control cable is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the control cable is simple in internal construction and poor in temperature anti-freezing capacity in the prior art, and providing a plastic insulated control cable with anti-freezing function.

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

the utility model provides a plastics insulation control cable that prevents frostbite and split, includes a plurality of sinle silks, and is a plurality of it is cotton to insert between the sinle silk to be equipped with the heat preservation, the fixed cover in outside of sinle silk has connect the insulating layer, and is a plurality of the outside cover of sinle silk is equipped with the heat preservation, the fixed cover in one side that the sinle silk was kept away from to the heat preservation has connect the elastic layer, one side that the heat preservation was kept away from to the elastic layer is equipped with the insulating layer, one side that the elastic layer was kept away from to the insulating layer is equipped with anti-corrosion coating.

Preferably, the insulating layer is a radiation crosslinked polyolefin layer.

Preferably, the heat-insulating layer is a high-temperature-resistant fiber cloth layer.

Preferably, the elastic layer is a high density sponge layer.

Preferably, the heat insulation layer is a kevlar fireproof cloth layer.

Preferably, the anti-corrosion layer is a layer of halogen-free flame retardant elastomeric TPU material.

Has the advantages that:

the cotton setting of heat preservation can strengthen the frost-proof ability of cable, and the setting of insulating layer can play insulation protection to the sinle silk simultaneously, and the setting of heat preservation can strengthen the frost-proof ability of cable, and the setting of elastic layer can strengthen the anti ability of rolling over of elasticity of cable simultaneously, and the setting of insulating layer can strengthen the thermal-insulated heat preservation ability of cable, and the setting of anti-corrosion coating can strengthen the corrosion protection ability of cable, the utility model discloses in through multilayer structure's setting, can effectively strengthen control cable's frost crack ability to control cable's application scope has been promoted.

Drawings

Fig. 1 is a schematic structural diagram of the plastic insulated control cable with frost crack prevention according to the present invention.

In the figure: 1 wire core, 2 heat preservation cottons, 3 insulating layers, 4 heat preservation layers, 5 elastic layers, 6 heat insulation layers and 7 anti-corrosion layers.

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 plastic insulation control cable capable of preventing frost cracking comprises a plurality of wire cores 1, insulation cotton 2 is inserted between the wire cores 1 and used for performing anti-freezing protection on the wire cores 1, an insulation layer 3 is fixedly sleeved outside the wire cores 1 and used for performing insulation protection on the wire cores 1, and the insulation layer 3 is an irradiation cross-linked polyolefin layer;

in the embodiment, the heat-insulating layer 4 is sleeved outside the wire cores 1 and used for performing an anti-freezing protection effect on the cable, the heat-insulating layer 4 is a high-temperature-resistant fiber cloth layer, the elastic layer 5 is fixedly sleeved on one side, away from the wire cores 1, of the heat-insulating layer 4 in a sleeved mode to enhance the elastic bending resistance of the cable, and the elastic layer 5 is a high-density sponge layer to enhance the elastic capability of the elastic layer 5;

in the embodiment, the heat insulation layer 6 is arranged on one side, away from the heat insulation layer 4, of the elastic layer 5, the antifreezing capacity of the cable is enhanced, the heat insulation layer 6 is a kevlar fireproof cloth layer, the heat insulation capacity of the heat insulation layer 6 is enhanced, the anti-corrosion layer 7 is arranged on one side, away from the elastic layer 5, of the heat insulation layer 6, the anti-corrosion capacity of the cable is enhanced, the anti-corrosion layer 7 is a halogen-free flame-retardant elastomer TPU material layer, and the anti-corrosion capacity of the anti-corrosion layer 7 is enhanced.

In this embodiment, the frostproofing ability of cable can be strengthened in the setting of heat preservation cotton 2, and insulating layer 3's setting can play insulating protection to sinle silk 1 simultaneously, and the setting of heat preservation 4 can strengthen the frostproofing ability of cable, and the setting of elastic layer 5 can strengthen the elasticity bending resistance ability of cable simultaneously, and the setting of insulating layer 6 can strengthen the thermal-insulated heat preservation ability of cable, and the setting of anti-corrosion coating 7 can strengthen the corrosion protection ability of cable.

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 plastics insulation control cable of frostbite crack prevention, includes a plurality of sinle silks (1), its characterized in that: it is a plurality of insert between sinle silk (1) and be equipped with heat preservation cotton (2), insulating layer (3) have been cup jointed to the external fixation of sinle silk (1), and is a plurality of the outside cover of sinle silk (1) is equipped with heat preservation (4), one side that heat preservation (4) were kept away from sinle silk (1) is fixed to be cup jointed elastic layer (5) in heat preservation (4), one side that heat preservation (4) were kept away from in elastic layer (5) is equipped with insulating layer (6), one side that elastic layer (5) were kept away from in insulating layer (6) is equipped with anti-corrosion coating (7).

2. The frost crack resistant plastic insulated control cable of claim 1, wherein: the insulating layer (3) is a radiation cross-linked polyolefin layer.

3. The frost crack resistant insulated plastic control cable of claim 1, wherein: the heat-insulating layer (4) is a high-temperature-resistant fiber cloth layer.

4. The frost crack resistant insulated plastic control cable of claim 1, wherein: the elastic layer (5) is a high-density sponge layer.

5. The frost crack resistant insulated plastic control cable of claim 1, wherein: the heat insulation layer (6) is a kevlar fireproof cloth layer.

6. The frost crack resistant insulated plastic control cable of claim 1, wherein: the anti-corrosion layer (7) is a halogen-free flame-retardant elastomer TPU material layer.