CN212934202U

CN212934202U - Bending-resistant cable for severe environment

Info

Publication number: CN212934202U
Application number: CN202021410099.XU
Authority: CN
Inventors: 刘成; 黄宏河
Original assignee: Kunshan Hongru Engineering Co ltd
Current assignee: Kunshan Hongru Engineering Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-09
Anticipated expiration: 2030-07-16

Abstract

The utility model belongs to the technical field of power cable, especially, a resistant crooked cable for adverse circumstances, including the sheath that anticorrosives, the sheath that anticorrosives is inside to be provided with the alloy-layer, the alloy-layer inside is provided with the weaving layer, the weaving layer inside is filled with the stranding wire rope, the stranding wire rope inside is provided with the fire prevention filling layer, the fire prevention filling layer inside is provided with the parting bead, the parting bead outside is provided with the conducting layer; a conducting wire is arranged in the conducting layer, a semiconductor shielding layer is arranged on the outer side of the conducting wire, a copper braided shielding layer is arranged on the outer side of the semiconductor shielding layer, and an insulating rubber layer is arranged on the outer side of the copper braided shielding layer; the utility model discloses simple structure through stranded wire rope, tensile fibre and No. two tensile fibres that set up, can ensure the pliability of cable when increasing the tensile property of cable to keep the bending resistance ability of cable, make the cable can use in adverse circumstances.

Description

Bending-resistant cable for severe environment

Technical Field

The utility model relates to a power cable technical field especially relates to a resistant crooked cable for adverse circumstances.

Background

The cable is a material used for power, communication and related transmission purposes, and at present, with the development of society, the number of cables as transmission media is increased, and the requirements on the cables are higher and higher.

In the use process at present, the following problems are easy to occur to the cable: ordinary cable crookedness is limited, is difficult for convoluteing and use, and when crooked too big, easily produces and breaks, and the higher cable self intensity of resistant crooked degree is lower on the market, and the bearing capacity is relatively poor, and the ability is relatively poor is dragged to the tensile, easily leads to the cable damaged equally.

To solve the above problems, a bend-resistant cable for harsh environments is proposed in the present application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a resistant crooked cable for adverse circumstances, through stranded wire rope, a tensile fiber and No. two tensile fibers that set up, can ensure the pliability of cable when increasing the tensile property of cable to keep the resistant bending property of cable, make the cable can use in adverse circumstances.

(II) technical scheme

In order to solve the problems, the utility model provides a bending-resistant cable for severe environment, which comprises an anti-corrosion sheath, wherein an alloy layer is arranged inside the anti-corrosion sheath, a woven layer is arranged inside the alloy layer, a stranded wire rope is filled inside the woven layer, a fireproof filling layer is arranged inside the stranded wire rope, a separation strip is arranged inside the fireproof filling layer, and a conductive layer is arranged outside the separation strip; the conducting layer is internally provided with a wire, a semiconductor shielding layer is arranged on the outer side of the wire, a copper braided shielding layer is arranged on the outer side of the semiconductor shielding layer, and an insulating rubber layer is arranged on the outer side of the copper braided shielding layer.

Preferably, the stranded steel wire rope is woven outside the fireproof filling layer.

Preferably, a first tensile fiber is arranged in the middle of the inside of the separation strip.

Preferably, the inner and outer sides of the division strip are provided with second tensile fibers.

Preferably, the specific number of the second tensile fibers is four, and the second tensile fibers penetrate through the separation strips.

Preferably, the specific number of the conductive layers is four.

Preferably, the fireproof filling layer is internally filled with chlorinated rubber and paraffin.

The above technical scheme of the utility model has following profitable technological effect:

the flexibility of the cable can be ensured by arranging the stranded steel wire rope, the first tensile fiber and the second tensile fiber while the tensile property of the cable is increased so as to keep the bending resistance of the cable, the cable can be used in a severe environment, the anti-corrosion capability of the cable can be increased by arranging the anti-corrosion sheath, the cable can be effectively prevented from being corroded by the severe environment, the impact resistance of the cable can be increased by arranging the alloy layer and the separating strip, the cable can be manufactured from the inside of the cable, the cable deformation caused by external force extrusion can be prevented, the partial discharge can be effectively avoided by arranging the copper braided shielding layer and the semiconductor shielding layer, the semiconductor shielding layer is formed by winding a semi-conductive paper tape, the partial discharge between a wire and an insulating rubber layer can be effectively avoided, and the fireproof filling layer can effectively protect the cable in case of fire, the fireproof filling layer is composed of chlorinated rubber, paraffin and various fireproof additives, is good in fire resistance, expands to generate 200 mm thick foam when meeting fire, is carbonized into a protective layer, isolates a fire source, and can effectively protect a cable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the woven layer of the present invention;

fig. 3 is a schematic view of the internal structure of the middle conductive layer according to the present invention.

In the figure: 1. an anti-corrosion outer skin; 2. an alloy layer; 3. weaving layer; 4. stranding a steel wire rope; 5. a fire-resistant filler layer; 6. a dividing strip; 7. a first tensile fiber; 8. a second tensile fiber; 9. a conductive layer; 10. a wire; 11. a semiconductor shielding layer; 12. a copper braided shield layer; 13. an insulating rubber layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the bending-resistant cable for severe environment provided by the present invention comprises an anti-corrosion sheath 1, wherein an alloy layer 2 is arranged inside the anti-corrosion sheath 1, a woven layer 3 is arranged inside the alloy layer 2, a stranded wire rope 4 is filled inside the woven layer 3, a fireproof filling layer 5 is arranged inside the stranded wire rope 4, a separation strip 6 is arranged inside the fireproof filling layer 5, and a conductive layer 9 is arranged outside the separation strip 6;

the stranded steel wire rope 4 is woven on the outer side of the fireproof filling layer 5, a first tensile fiber 7 is arranged in the middle of the inside of the separation strip 6, and a second tensile fiber 8 is arranged on the outer side of the inside of the separation strip 6.

In this embodiment, the stranded wire rope 4 is woven outside the fireproof filling layer 5, the first tensile fibers 7 are arranged in the middle of the inside of the separation strip 6, the second tensile fibers 8 are arranged on the outside of the inside of the separation strip 6, the specific number of the second tensile fibers 8 is four, the second tensile fibers 8 penetrate through the separation strip 6, and chlorinated rubber and paraffin are filled inside the fireproof filling layer 5.

It should be noted that, through the stranded wire rope 4, the first tensile fiber 7 and the second tensile fiber 8, the tensile property of the cable can be increased, and simultaneously the flexibility of the cable can be ensured, so as to maintain the bending resistance of the cable, so that the cable can be used in a severe environment, through the arranged anti-corrosion sheath 1, the anti-corrosion capability of the cable can be increased, the cable can be effectively prevented from being corroded by the external severe environment, through the arranged alloy layer 2 and the separating strip 6, the anti-impact capability of the cable can be increased, the cable can be manufactured from the inside of the cable, and the cable is prevented from being deformed due to external force extrusion.

As shown in fig. 3, a conductive wire 10 is disposed inside the conductive layer 9, a semiconductor shielding layer 11 is disposed outside the conductive wire 10, a copper braided shielding layer 12 is disposed outside the semiconductor shielding layer 11, and an insulating rubber layer 13 is disposed outside the copper braided shielding layer 12.

In this embodiment, the number of the conductive layers 9 is four.

It should be noted that, by arranging the copper braided shield layer 12 and the semiconductor shield layer 11, partial discharge can be effectively avoided, and the semiconductor shield layer 11 is formed by winding a semi-conductive paper tape, so that partial discharge between the wire 10 and the insulating rubber layer 13 can be effectively avoided.

The working principle is as follows: when the cable is used, the tensile property of the cable can be improved and the flexibility of the cable can be ensured through the stranded steel wire rope 4, the first tensile fiber 7 and the second tensile fiber 8, so that the bending resistance of the cable can be kept, the cable can be used in a severe environment, the anti-corrosion capability of the cable can be improved through the arranged anti-corrosion sheath 1, the cable can be effectively prevented from being corroded by the external severe environment, the anti-impact capability of the cable can be improved through the arranged alloy layer 2 and the separating strip 6, the cable can be manufactured from the inside of the cable, the cable is prevented from being deformed due to external force extrusion, the partial discharge can be effectively avoided through the arranged copper braided shielding layer 12 and the semiconductor shielding layer 11, the semiconductor shielding layer 11 is formed by winding the semi-conductive paper tape, and the partial discharge between the lead 10 and the insulating rubber layer 13 can be effectively avoided, the fireproof filling layer 5 can effectively protect the cable in case of fire, can effectively reduce property loss, and for the restoration after the fire disaster provides convenience, the fireproof filling layer 5 consists of chlorinated rubber, paraffin and multiple fireproof additives, has good fire resistance, expands to generate 200 mm thick foam when encountering fire, is carbonized into a protective layer, isolates a fire source, and can form effective protection for the cable.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A bending-resistant cable for severe environment comprises an anti-corrosion sheath (1), and is characterized in that an alloy layer (2) is arranged inside the anti-corrosion sheath (1), a woven layer (3) is arranged inside the alloy layer (2), a stranded steel wire rope (4) is filled inside the woven layer (3), a fireproof filling layer (5) is arranged inside the stranded steel wire rope (4), a separation strip (6) is arranged inside the fireproof filling layer (5), and a conductive layer (9) is arranged outside the separation strip (6);

the conductive layer (9) is internally provided with a wire (10), a semiconductor shielding layer (11) is arranged on the outer side of the wire (10), a copper braided shielding layer (12) is arranged on the outer side of the semiconductor shielding layer (11), and an insulating rubber layer (13) is arranged on the outer side of the copper braided shielding layer (12).

2. Bend-resistant cable for harsh environments according to claim 1, characterized in that said stranded steel cord (4) is braided outside a fire-resistant filling layer (5).

3. Bend-resistant cable for harsh environments according to claim 1, characterized in that said separator strip (6) is internally provided with a tensile fiber number one (7) in the middle.

4. Bend-resistant cable for harsh environments according to claim 1, characterized in that the inside and outside of said parting strip (6) is provided with a second tensile fiber (8).

5. Bending-resistant cable for harsh environments according to claim 4, wherein said second tensile fibers (8) are in four groups, said second tensile fibers (8) penetrating the separation strip (6).

6. Bend-resistant cable for harsh environments according to claim 1, characterized in that said conductive layers (9) are specifically in four groups in number.