CN213958620U

CN213958620U - Flexible polyethylene insulated cable

Info

Publication number: CN213958620U
Application number: CN202120269436.6U
Authority: CN
Inventors: 牟学兰
Original assignee: Jiangsu Daming Cable Co ltd
Current assignee: Jiangsu Daming Cable Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-08-13
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a flexible polyethylene insulated cable, including basic unit and cable core, the inner wall fixedly connected with protective layer of basic unit, the inner wall and the cable core of protective layer contact, the fire-retardant layer of surface fixed connection of basic unit, the surface fixed connection on fire-retardant layer is connected with resistant time layer, fire-retardant layer includes the temperature resistant layer, the first flame retardant coating of surface fixed connection on temperature resistant layer, the surface fixed connection of first flame retardant coating has the second flame retardant coating. The utility model discloses possess fire-retardant and wear-resisting effectual advantage, solved current polyethylene cable in the use, do not have fire-retardant function usually, can not in time carry out fire-retardant to flame when the conflagration breaing out, lead to the intensity of a fire to appear continuously burning phenomenon easily, and because single structure, cable surface's wear resistance is not good, in the work progress, cable surface takes place wearing and tearing easily when dragging it to influence cable life's problem.

Description

Flexible polyethylene insulated cable

Technical Field

The utility model relates to a polyethylene cable technical field specifically is a flexible polyethylene insulated cable.

Background

A cable, typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, each group of conductors being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering, the cable being characterized by an inner current-carrying and an outer insulation.

The existing polyethylene cable does not have a flame-retardant function usually in the using process, flame can not be timely flame-retardant when a fire disaster occurs, so that the phenomenon of continuous combustion easily occurs in the fire, and the wear-resisting property of the cable surface is poor due to the single structure, so that the cable surface is easily abraded when the cable is dragged and moved in the construction process, and the service life of the cable is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible polyethylene insulated cable, possess fire-retardant and wear-resisting effectual advantage, solved current polyethylene cable in the use, do not have fire-retardant function usually, can not in time carry on fire-retardant to flame when the conflagration breaing out, lead to the intensity of a fire to appear continuously burning phenomenon easily, and because single structure, the wear resistance on cable surface is not good, in the work progress, cable surface takes place wearing and tearing easily when dragging it, thereby influence cable life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible polyethylene insulated cable, includes basic unit and cable core, the inner wall fixedly connected with protective layer of basic unit, the inner wall and the cable core of protective layer contact, the outer fixed surface of basic unit is connected with fire-retardant layer, the outer fixed surface on fire-retardant layer is connected with resistant layer of waiting, fire-retardant layer includes resistant layer of temperature, the outer fixed surface on resistant layer is connected with first flame retardant coating, the outer fixed surface of first flame retardant coating is connected with the second flame retardant coating, resistant layer of waiting includes corrosion-resistant layer, the outer fixed surface on corrosion-resistant layer is connected with first wearing layer, the outer fixed surface of first wearing layer is connected with the second wearing layer.

Preferably, the protective layer comprises a shielding layer, and a water-resistant layer is fixedly connected to the inner wall of the shielding layer.

Preferably, the shielding layer is made of a tinned copper wire, and the water-blocking layer is made of a polyester adhesive tape.

Preferably, the temperature-resistant layer is made of aramid fibers, the first fireproof layer is made of glass fiber ropes, and the second fireproof layer is made of ceramic silicon rubber.

Preferably, the corrosion-resistant layer is made of ethylene propylene rubber, the first wear-resistant layer is made of nitrile butadiene rubber, and the second wear-resistant layer is made of butadiene rubber.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a fire-retardant layer, weather resistant layer, the temperature resistant layer, first flame retardant coating, the second flame retardant coating, the corrosion resistant layer, the cooperation of first wearing layer and second wearing layer, possess fire-retardant and wear-resisting effectual advantage, current polyethylene cable has been solved in the use, do not have fire-retardant function usually, can not in time carry on fire-retardant to flame when the conflagration breaing out, lead to the intensity of a fire to appear continuously burning phenomenon easily, and because the structure is single, the wear resistance on cable surface is not good, in the work progress, the cable surface takes place wearing and tearing easily when dragging it, thereby influence cable life's problem.

2. The utility model discloses a set up the temperature resistant layer, the high temperature resistance of cable has been improved, through setting up first flame retardant coating and second flame retardant coating, can be when the conflagration breaing out, in time fire-retardant to flame, avoid producing flame and continuously burn the phenomenon, through setting up the corrosion resistant layer, the corrosion resisting property on cable surface has been increased, through setting up first wearing layer and second wearing layer, the wear resistance on cable surface has been increased, the service life of cable has been promoted, through setting up the water blocking layer, can carry out effectual dampproofing and waterproofing protection to the cable core.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the weather-resistant layer structure of the present invention;

FIG. 3 is a schematic sectional view of the structure of the flame retardant layer of the present invention;

fig. 4 is a schematic view of the partial structure section of the present invention.

In the figure: 1 basic unit, 2 cable cores, 3 protective layers, 4 flame retardant layers, 5 resistant layer of waiting, 6 resistant temperature layer, 7 first flame retardant coating, 8 second flame retardant coating, 9 corrosion-resistant layer, 10 first wearing layer, 11 second wearing layer, 12 shielding layer, 13 water blocking layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components of the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known by the technical manual or by the conventional experimental method.

Referring to fig. 1-4, a flexible polyethylene insulated cable comprises a base layer 1 and a cable core 2, wherein a protective layer 3 is fixedly connected to the inner wall of the base layer 1, the protective layer 3 comprises a shielding layer 12, a water blocking layer 13 is fixedly connected to the inner wall of the shielding layer 12, the shielding layer 12 is made of a tinned copper wire, the water blocking layer 13 is made of a polyester adhesive tape, effective waterproof and moistureproof protection can be performed on the cable core 2 by arranging the water blocking layer 13, the inner wall of the protective layer 3 is in contact with the cable core 2, a flame retardant layer 4 is fixedly connected to the outer surface of the base layer 1, a weather-resistant layer 5 is fixedly connected to the outer surface of the flame retardant layer 4, the flame retardant layer 4 comprises a temperature-resistant layer 6, the high temperature resistance of the cable is improved by arranging the temperature-resistant layer 6, the temperature-resistant layer 6 is made of aramid fiber, the first flame-resistant layer 7 is made of a glass fiber rope, the second flame-resistant layer 8 is made of ceramic silicon rubber, the first flame-resistant layer 7 is fixedly connected to the outer surface of the temperature-resistant layer 6, the outer fixed surface of the first fireproof layer 7 is connected with the second fireproof layer 8, through the arrangement of the first fireproof layer 7 and the second fireproof layer 8, flame can be timely flame-retardant when a fire disaster happens, the flame continuous combustion phenomenon is avoided, the weather-resistant layer 5 comprises the corrosion-resistant layer 9, the corrosion resistance of the cable surface is improved through the arrangement of the corrosion-resistant layer 9, the corrosion-resistant layer 9 is made of ethylene propylene rubber, the first wear-resistant layer 10 is made of nitrile butadiene rubber, the second wear-resistant layer 11 is made of butadiene rubber, the outer fixed surface of the corrosion-resistant layer 9 is connected with the first wear-resistant layer 10, the outer fixed surface of the first wear-resistant layer 10 is connected with the second wear-resistant layer 11, the wear resistance of the cable surface is improved through the arrangement of the first wear-resistant layer 10 and the second wear-resistant layer 11, the service life of the cable is prolonged, and the flame-resistant layer 4, the weather-resistant layer 5, the temperature-resistant layer 6 and the first fireproof layer 7 are arranged, Second flame retardant coating 8, corrosion-resistant layer 9, the cooperation of first wearing layer 10 and second wearing layer 11, possess fire-retardant and the effectual advantage of wear-resisting, solved current polyethylene cable in the use, do not have fire-retardant function usually, can not in time carry out fire-retardant to flame when the conflagration breaing out, lead to the intensity of a fire to appear continuously burning phenomenon easily, and because single structure, the wear resistance on cable surface is not good, in the work progress, the cable surface takes place wearing and tearing easily when dragging it, thereby influence cable life's problem.

During the use, through setting up temperature resistant layer 6, the high temperature resistance of cable has been improved, through setting up first flame retardant coating 7 and second flame retardant coating 8, can be when the conflagration breaing out, in time fire-retardant to flame, avoid producing the flame and continuously burn the phenomenon, through setting up corrosion resistant layer 9, the corrosion resisting property on cable surface has been increased, through setting up first wearing layer 10 and second wearing layer 11, the wear resistance on cable surface has been increased, the life of cable has been promoted, through setting up water blocking layer 13, can carry out effectual dampproofing and waterproofing protection to cable core 2.

In summary, the following steps: this soft polyethylene insulated cable, through fire-retardant layer 4, resistant layer 5, temperature resistant layer 6, first flame retardant coating 7, second flame retardant coating 8, corrosion-resistant layer 9, the cooperation of first wearing layer 10 and second wearing layer 11, current polyethylene cable has been solved in the use, do not have fire-retardant function usually, can not in time carry out fire-retardant to flame when the conflagration breaing out, lead to the intensity of a fire to appear continuously burning phenomenon easily, and because the structure is single, the wear resistance on cable surface is not good, in the work progress, the cable surface takes place wearing and tearing easily when dragging it, thereby influence cable life's problem.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a soft polyethylene insulated cable, includes basic unit (1) and cable core (2), its characterized in that: the inner wall fixedly connected with protective layer (3) of basic unit (1), the inner wall and cable core (2) of protective layer (3) contact, the outer fixed surface of basic unit (1) is connected with fire-retardant layer (4), the outer fixed surface of fire-retardant layer (4) is connected with resistant time layer (5), fire-retardant layer (4) is including temperature-resistant layer (6), the outer fixed surface of temperature-resistant layer (6) is connected with first flame retardant coating (7), the outer fixed surface of first flame retardant coating (7) is connected with second flame retardant coating (8), resistant time layer (5) are including corrosion-resistant layer (9), the outer fixed surface of corrosion-resistant layer (9) is connected with first wearing layer (10), the outer fixed surface of first wearing layer (10) is connected with second wearing layer (11).

2. A flexible polyethylene insulated cable according to claim 1, characterized in that: the protective layer (3) comprises a shielding layer (12), and a water-resistant layer (13) is fixedly connected to the inner wall of the shielding layer (12).

3. A flexible polyethylene insulated cable according to claim 2, characterized in that: the shielding layer (12) is made of a tinned copper wire, and the water-blocking layer (13) is made of a polyester adhesive tape.

4. A flexible polyethylene insulated cable according to claim 1, characterized in that: the material of temperature resistant layer (6) is aramid fiber, the material of first flame retardant coating (7) is glass fiber rope, the material of second flame retardant coating (8) is ceramic silicon rubber.

5. A flexible polyethylene insulated cable according to claim 1, characterized in that: the corrosion-resistant layer (9) is made of ethylene propylene rubber, the first wear-resistant layer (10) is made of nitrile rubber, and the second wear-resistant layer (11) is made of butadiene rubber.