CN215933234U

CN215933234U - Cluster overhead insulated cable

Info

Publication number: CN215933234U
Application number: CN202122038723.9U
Authority: CN
Inventors: 熊俊超
Original assignee: Dalian New Oriental Electronic Technology Co ltd
Current assignee: Dalian New Oriental Electronic Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-01
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to the technical field of cables and discloses a bunched overhead insulated cable which comprises a cable body, wherein a cable core is arranged on the inner side of the cable body, the cable body comprises an ultraviolet-resistant layer, an outer sheath, a wear-resistant layer, an anti-stretching layer, a corrosion-resistant layer, an anti-corrosion asphalt layer, a shielding layer and a flame-retardant layer, the ultraviolet-resistant layer is arranged on the outer side of the outer sheath, the outer sheath is arranged on the outer side of the wear-resistant layer, the wear-resistant layer is arranged on the outer side of the anti-stretching layer, and the anti-stretching layer is arranged on the outer side of the corrosion-resistant layer. According to the cable body, the outer sheath and the wear-resistant layer are arranged, the outer sheath is made of the hydrogenated nitrile rubber, the wear-resistant layer is woven by the polyamide fiber material, the hydrogenated nitrile rubber and the polyamide fiber have good wear resistance, the wear-resistant effect of the cable body can be effectively improved, and the cable body is prevented from being worn and cracked in the laying process.

Description

Cluster overhead insulated cable

Technical Field

The utility model relates to the technical field of cables, in particular to a bunched overhead insulated cable.

Background

The cable generally comprises a primary outer protective layer of conductive metal wires, the outer protective layer is mostly a belting layer, an insulating layer, a shielding layer and an armor sheath layer, the cable is widely applied to various fields such as factories, office buildings, recreational places and the like, so the using amount of the cable is very large and important, the requirement on quality is very high, along with the transformation of urban and rural power grids, the original steel-cored aluminum stranded wire of the transmission cable is gradually replaced by an overhead insulating wire core, the probability of electric shock of people and livestock is reduced, the transmission line is erected and finished by four insulating wire cores four times at certain intervals when being installed, and the purposes of power transmission function and safety protection of people and livestock are achieved.

Some bundled overhead insulated cables currently on the market:

(1) in the process of laying the cable, due to the reason that the existing cable is poor in wear resistance, friction is prone to occurring between the cable and the cable or between the cable and other objects in the laying process, so that the outer surface of the cable is abraded, the inner part of the cable is prone to being unstable in the using process, and normal use of the cable is affected;

(2) in the using process of the cable, due to the reason that the corrosion resistance of the existing cable is poor, the outer surface of the cable is easy to corrode, so that the cable core inside the cable cannot be effectively protected, the electric leakage phenomenon occurs, and the safety is poor.

We have therefore proposed a bundled overhead insulated cable in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above-mentioned shortcomings in the prior art, the present invention provides a bundled overhead insulated cable, which solves the problems of poor abrasion resistance and corrosion resistance of some bundled overhead insulated cables in the market proposed in the above-mentioned background art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a bunched overhead insulated cable comprises a cable body, wherein a cable core is arranged on the inner side of the cable body;

the cable body comprises an ultraviolet-resistant layer, an outer sheath, a wear-resistant layer, a stretch-resistant layer, a corrosion-resistant layer, an anti-corrosion asphalt layer, a shielding layer and a flame-retardant layer, wherein the ultraviolet-resistant layer is arranged on the outer side of the outer sheath;

the cable core includes inner sheath, insulating layer, wire, the outer setting that the inner sheath is located the insulating layer, the outer setting that the insulating layer is located the wire, be provided with the filling layer between inner sheath and the insulating layer.

Preferably, the flame retardant layer is disposed on the outer side of the inner sheath, and the inner sheath is made of a cross-linked polyethylene material.

Preferably, the ultraviolet-resistant layer is formed by spraying an ultraviolet-resistant coating, and the outer sheath is made of a hydrogenated nitrile rubber material.

Preferably, the wear-resistant layer is woven by polyamide fiber materials, and the tensile-resistant layer is made of carbon fiber core strips.

Furthermore, the corrosion-resistant layer is formed by weaving a glass fiber material and a carbon fiber material, and the flame-retardant layer is made of a chlorosulfonated polyethylene material.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) the outer sheath is made of hydrogenated nitrile rubber, the wear-resistant layer is woven by polyamide fiber materials, the hydrogenated nitrile rubber and the polyamide fibers have good wear resistance, the wear-resistant effect of the cable body can be effectively improved, and the cable body is prevented from being worn and cracked in the laying process.

(2) The anti-corrosion performance of the cable body can be improved through the matching arrangement among the anti-ultraviolet layer, the corrosion-resistant layer, the anti-corrosion asphalt layer and the inner sheath, so that the cable body is prevented from being corroded by the outside, and the safety of the cable body is improved.

Drawings

Fig. 1 is a schematic side view of the whole of the bundled overhead insulated cable of the present invention;

fig. 2 is an overall cross-sectional structural schematic view of the bundled overhead insulated cable of the present invention;

fig. 3 is a schematic perspective view of a cable body of the bundled overhead insulated cable according to the present invention.

In the figure: 1. a cable body; 2. a cable core; 3. an anti-ultraviolet layer; 4. an outer sheath; 5. a wear layer; 6. a stretch resistant layer; 7. a corrosion-resistant layer; 8. an anti-corrosion asphalt layer; 9. a shielding layer; 10. a flame retardant layer; 11. an inner sheath; 12. an insulating layer; 13. a wire; 14. and (5) filling the layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a bundled overhead insulated cable; the cable comprises a cable body 1, wherein a cable core 2 is arranged on the inner side of the cable body 1;

the cable body 1 comprises an ultraviolet-resistant layer 3, an outer sheath 4, an abrasion-resistant layer 5, an anti-stretching layer 6, a corrosion-resistant layer 7, an anti-corrosion asphalt layer 8, a shielding layer 9 and a flame-retardant layer 10, wherein the ultraviolet-resistant layer 3 is arranged on the outer side of the outer sheath 4, the outer sheath 4 is arranged on the outer side of the abrasion-resistant layer 5, the abrasion-resistant layer 5 is arranged on the outer side of the anti-stretching layer 6, the anti-stretching layer 6 is arranged on the outer side of the corrosion-resistant layer 7, the corrosion-resistant layer 7 is arranged on the outer side of the anti-corrosion asphalt layer 8, the anti-corrosion asphalt layer 8 is arranged on the outer side of the shielding layer 9, and the shielding layer 9 is arranged on the outer side of the flame-retardant layer 10;

the cable core 2 comprises an inner sheath 11, an insulating layer 12 and a conducting wire 13, wherein the inner sheath 11 is arranged on the outer side of the insulating layer 12, the insulating layer 12 is arranged on the outer side of the conducting wire 13, a filling layer 14 is arranged between the inner sheath 11 and the insulating layer 12, and the filling layer 14 is polypropylene filler;

according to the illustration of fig. 2, as a preferred embodiment of the present invention: the flame-retardant layer 10 is arranged on the outer side of the inner sheath 11, the inner sheath 11 is made of a cross-linked polyethylene material, and the cross-linked polyethylene material has good wear resistance and corrosion resistance;

according to the illustration of fig. 2, as a preferred embodiment of the present invention: the ultraviolet resistant layer 3 is formed by spraying an ultraviolet resistant coating, and the outer sheath 4 is made of a hydrogenated nitrile rubber material;

according to the illustration of fig. 2, as a preferred embodiment of the present invention: the wear-resistant layer 5 is formed by weaving a polyamide fiber material, and the stretch-resistant layer 6 is made of a carbon fiber core strip;

according to the illustration of fig. 2, as a preferred embodiment of the present invention: the corrosion-resistant layer 7 is woven by adopting a glass fiber material and a carbon fiber material, the flame-retardant layer 10 is made of a chlorosulfonated polyethylene material, and the chlorosulfonated polyethylene material has good physical and mechanical properties, ageing resistance, heat resistance, low temperature resistance, oil resistance, flame resistance, wear resistance and electric insulation resistance.

And those not described in detail in this specification are well within the skill of those in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, may be fixedly connected or detachably connected; or indirectly through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations; it will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.

Claims

1. A bunched overhead insulated cable comprises a cable body (1), and is characterized in that a cable core (2) is arranged on the inner side of the cable body (1);

the cable body (1) comprises an ultraviolet-resistant layer (3), an outer sheath (4), an abrasion-resistant layer (5), a stretch-resistant layer (6), a corrosion-resistant layer (7), an anti-corrosion asphalt layer (8), a shielding layer (9) and a flame-retardant layer (10), wherein the ultraviolet-resistant layer (3) is arranged on the outer side of the outer sheath (4), the outer sheath (4) is arranged on the outer side of the abrasion-resistant layer (5), the abrasion-resistant layer (5) is arranged on the outer side of the stretch-resistant layer (6), the stretch-resistant layer (6) is arranged on the outer side of the corrosion-resistant layer (7), the corrosion-resistant layer (7) is arranged on the outer side of the anti-corrosion asphalt layer (8), the anti-corrosion asphalt layer (8) is arranged on the outer side of the shielding layer (9), and the shielding layer (9) is arranged on the outer side of the flame-retardant layer (10);

the cable core (2) comprises an inner sheath (11), an insulating layer (12) and a wire (13), wherein the inner sheath (11) is arranged on the outer side of the insulating layer (12), the insulating layer (12) is arranged on the outer side of the wire (13), and a filling layer (14) is arranged between the inner sheath (11) and the insulating layer (12).

2. A bundled overhead insulated cable according to claim 1, characterized in that the flame retardant layer (10) is arranged on the outside of an inner sheath (11), the inner sheath (11) being made of cross-linked polyethylene material.

3. The bundled overhead insulated cable according to claim 1, characterized in that the uv-resistant layer (3) is sprayed with a uv-resistant coating and the outer sheath (4) is made of hydrogenated nitrile rubber material.

4. The bundled overhead insulated cable according to claim 1, characterized in that the abrasion resistant layer (5) is woven from a polyamide fiber material and the tensile resistant layer (6) is made from a carbon fiber core strip.

5. The bundled overhead insulated cable according to claim 1, wherein the corrosion-resistant layer (7) is woven from a glass fiber material and a carbon fiber material, and the flame-retardant layer (10) is made from a chlorosulfonated polyethylene material.