CN209962766U

CN209962766U - Anti-extrusion stretch-proof power cable

Info

Publication number: CN209962766U
Application number: CN201920690337.8U
Authority: CN
Inventors: 高江涛; 肖云涛; 任西明
Original assignee: Western Alloy Cable Co Ltd
Current assignee: Western Alloy Cable Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-17
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses an anti-extrusion stretch-proof power cable, which comprises an outer sheath, a wire core and wires, wherein the wire core is arranged in the outer sheath, a plurality of wires are arranged in the wire core, the outer sheath comprises an outer insulating layer, a flame-retardant layer, a shielding layer and a stretch-proof layer, the outer side of the stretch-proof layer is sleeved with the shielding layer, the outer side of the shielding layer is sleeved with the flame-retardant layer, the outer side of the flame-retardant layer is sleeved with the outer insulating layer, a plurality of reinforcing plates are arranged in the wire core, a plurality of wires are embedded in the reinforcing plates, elastic fillers are arranged in adjacent reinforcing plates, the wires comprise wire sleeves and wire cores, a plurality of wire cores are arranged in the wire sleeves, a plurality of slotted holes are arranged in the reinforcing plates at equal intervals, the anti-extrusion stretch-proof power cable can avoid the wires in the wire core from being extruded, deformed or damaged under the, the cable is easier to bend for use, and the bending degree of the cable is increased.

Description

Anti-extrusion stretch-proof power cable

Technical Field

The utility model relates to a power cable, in particular to stretch-proof power cable of anti extrusion belongs to power cable technical field.

Background

The Chinese economy is continuously and rapidly increased, a huge market space is provided for cable products, and the strong temptation of the Chinese market leads the world to focus on the Chinese market, in decades of innovation, the huge production capacity formed by the China cable manufacturing industry makes the world look bad, along with the continuous expansion of the scales of industries such as China power industry, data communication industry, urban rail transit industry, automobile industry, shipbuilding and the like, the demand of the electric wire and the electric cable is rapidly increased, the electric wire and the electric cable have great development potential in the future, the existing electric power cable has poor compression resistance and tensile resistance, when impact force or extrusion force acts on the cable, not only can cause the cable surface damage, also can lead to the inside wire damage of cable, be difficult to guarantee cable safety in utilization.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti stretch-proof power cable that extrudees to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti extrusion stretch-proof power cable, includes oversheath, line heart and wire, be equipped with the line heart in the oversheath, be equipped with a plurality of wires in the line heart, the oversheath includes outer insulating layer, fire-retardant layer, shielding layer and stretch-proof layer, the outside cover on stretch-proof layer is equipped with the shielding layer, the outside cover of shielding layer is equipped with fire-retardant layer, the outside cover on fire-retardant layer is equipped with outer insulating layer, be equipped with a plurality of reinforcing plates in the line heart, the reinforcing plate is embedded to be equipped with a plurality of wires, and is adjacent all be equipped with the elasticity filler in the reinforcing plate, the wire includes line cover and sinle silk, be equipped with a plurality.

Preferably, a plurality of reinforcing plates are equidistantly arranged in the wire core, and a plurality of slotted holes are formed in the reinforcing plates.

Preferably, the outer insulating layer is made of polyethylene materials, an anti-corrosion coating is sprayed on the outer side of the outer insulating layer, the shielding layer is formed by weaving dense steel wires, and the flame-retardant layer is a carbon fiber cloth sleeve.

Preferably, the stretch-proof layer is made of aramid fibers, the elastic filler is composed of a plurality of rubber material blocks, and the reinforcing plate is made of a hard plastic material.

Preferably, the wire sleeve is made of polyethylene material, and the wire core is a copper wire.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model relates to an anti stretch-proof power cable that extrudes, deformation or damaged circumstances can be avoided receiving the impact force effect to the wire in the heart of a line through the setting of reinforcing plate and elasticity filler, and it changes in crooked use to get the cable, has increased the crookedness of cable.

2. The utility model relates to an anti extrusion stretch-proof power cable through the setting of fire-retardant layer, shielding layer and stretch-proof layer for this power cable has fire-retardant, jam-proof and the good advantage of stretch-proof ability, has promoted the wholeness ability of cable.

Drawings

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

fig. 2 is a longitudinal sectional view of the present invention.

In the figure: 1. an outer sheath; 11. an outer insulating layer; 12. a flame retardant layer; 13. a shielding layer; 14. a stretch resistant layer; 2. a line center; 21. a reinforcing plate; 22. an elastic filler; 3. a wire; 31. a wire sleeve; 32. and a wire core.

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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an anti extrusion stretch-proof power cable, including oversheath 1, line heart 2 and wire 3, be equipped with line heart 2 in the oversheath 1, be equipped with a plurality of wires 3 in the line heart 2, oversheath 1 includes outer insulating layer 11, fire-retardant layer 12, shielding layer 13 and stretch-proof layer 14, the outside cover of stretch-proof layer 14 is equipped with shielding layer 13, shielding layer 13's outside cover is equipped with fire-retardant layer 12, the outside cover of fire-retardant layer 12 is equipped with outer insulating layer 11, be equipped with a plurality of reinforcing plates 21 in the line heart 2, the embedded a plurality of wires 3 that are equipped with of reinforcing plate 21, all be equipped with elastic filler 22 in the adjacent reinforcing plate 21, wire 3 includes line cover 31 and sinle silk 32, be equipped with.

Wherein, a plurality of reinforcing plates 21 equidistance set up in the heart of a line 2, seted up a plurality of slotted holes in the reinforcing plate 21, can avoid the 2 interior wires of heart of a line 3 to receive the impact force effect to take place circumstances such as extrusion, deformation or damage, the setting of rubber filling block for the cable is changeed in crooked use.

Wherein, outer insulating layer 11 is made by the polyethylene material, and the outside spraying of outer insulating layer 11 has anti-corrosion coating, and shielding layer 13 is woven by fine and close steel wire and forms, and fire-retardant layer 12 is the carbon cloth cover for the cable has wear-resisting, the low cigarette of burning, anti-interference and the good advantage of flame retardant efficiency.

Wherein, stretch-proof layer 14 is made by aramid fiber, and elastic filler 22 comprises a plurality of rubber material blocks, and reinforcing plate 21 makes reinforcing plate 21 by the rigid plastic material can effectively protect the structure in the core 2.

Wherein, the wire sleeve 31 is made of polyethylene material, the wire cores 32 are copper wires, and the wire sleeve 31 effectively separates each wire core 32 group structure.

In particular, when the utility model is used, the utility model relates to an anti-extrusion stretch-proof power cable which has the characteristics of strong impact resistance, bending resistance and stretch resistance, when in specific use, the reinforcing plate 21 and the elastic filler 22 are arranged at intervals, the reinforcing plate 21 can effectively protect the structure in the wire core 2, the situation that the wires 3 in the wire core 2 are extruded, deformed or damaged under the action of impact force can be avoided, the arrangement of the rubber filling blocks ensures that the cable is easier to bend and use, the flexibility of the cable is increased, meanwhile, the bending resistance of the cable is improved, the aramid fiber has extremely high strength, the stretch-proof layer 14 made of the aramid fiber effectively improves the stretch-proof capability of the cable, and the aramid fiber also has the characteristics of high temperature resistance, fire prevention, flame retardance, light weight, puncture resistance, cutting resistance, wear resistance, good heat resistance and chemical corrosion resistance, and the overall performance of the cable is effectively improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and 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", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 an anti extrusion stretch-proof power cable, includes oversheath (1), line heart (2) and wire (3), its characterized in that, be equipped with line heart (2) in oversheath (1), be equipped with a plurality of wire (3) in line heart (2), oversheath (1) includes outer insulating layer (11), fire-retardant layer (12), shielding layer (13) and stretch-proof layer (14), the outside cover of stretch-proof layer (14) is equipped with shielding layer (13), the outside cover of shielding layer (13) is equipped with fire-retardant layer (12), the outside cover of fire-retardant layer (12) is equipped with outer insulating layer (11), be equipped with a plurality of reinforcing plates (21) in line heart (2), reinforcing plate (21) are embedded to be equipped with a plurality of wire (3), and are adjacent all be equipped with elastic filler (22) in reinforcing plate (21), wire (3) include line cover (31) and sinle silk (32), a plurality of wire cores (32) are arranged in the wire sleeve (31).

2. The extrusion-resistant stretch-proof power cable of claim 1, wherein: a plurality of reinforcing plate (21) equidistance sets up in line heart (2), a plurality of slotted holes have been seted up in reinforcing plate (21).

3. The extrusion-resistant stretch-proof power cable of claim 1, wherein: the outer insulating layer (11) is made of polyethylene materials, an anti-corrosion coating is sprayed on the outer side of the outer insulating layer (11), the shielding layer (13) is formed by weaving dense steel wires, and the flame-retardant layer (12) is a carbon fiber cloth sleeve.

4. The extrusion-resistant stretch-proof power cable of claim 1, wherein: the stretch-proof layer (14) is made of aramid fibers, the elastic filler (22) is composed of a plurality of rubber material blocks, and the reinforcing plate (21) is made of a hard plastic material.

5. The extrusion-resistant stretch-proof power cable of claim 1, wherein: the wire sleeve (31) is made of polyethylene materials, and the wire core (32) is a copper wire.