CN217880904U - High-wear-resistance and anti-corrosion outdoor cable - Google Patents

High-wear-resistance and anti-corrosion outdoor cable Download PDF

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Publication number
CN217880904U
CN217880904U CN202221714225.XU CN202221714225U CN217880904U CN 217880904 U CN217880904 U CN 217880904U CN 202221714225 U CN202221714225 U CN 202221714225U CN 217880904 U CN217880904 U CN 217880904U
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layer
cable
compression
cable core
resistance
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熊世文
程乾
吴常振
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Sichuan Mingda Wire And Cable Technology Co ltd
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Sichuan Mingda Wire And Cable Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model discloses a high wear-resisting anticorrosive outdoor cable, which comprises a cable core and an outer cladding layer, wherein the cable core is formed by circumferentially surrounding a plurality of fan-shaped cable core monomers, each cable core monomer comprises a fan-shaped isolation layer, a conductor is arranged on the inner side of each isolation layer, and a gap between the conductor and the isolation layers is a first filling layer filled with a compression-resistant material; a plurality of compression-resistant supporting plates are uniformly distributed on the outer side of the cable core in the circumferential direction, positioning battens are arranged on the inner sides of the compression-resistant supporting plates, a containing groove is formed between every two adjacent isolation layers, and a gap between every two adjacent compression-resistant supporting plates is a second filling layer filled with fireproof materials; and the outer sides of the pressure-resistant supporting plates are sequentially wrapped with an inner protective layer, a strength protective layer, an anticorrosive layer and a high-wear-resistant coating. The utility model discloses the outdoor cable's of abundant consideration performance characteristics such as resistance to compression, intensity, anticorrosion, wear-resisting, the high pressure user demand of satisfying the open air that can be fine, especially underground environment.

Description

High-wear-resistance and anti-corrosion outdoor cable
Technical Field
The utility model relates to the technical field of cables, especially, relate to a high wear-resisting anticorrosive outdoor cable.
Background
The cable is an electric energy or signal transmission device, and with the development of information technology, the application of the cable as a basic transmission tool of electric energy or signals is greatly increased in various fields, and the application requirements are more strict, especially the cable for outdoor application is in the external environment for a long time and is subject to chemical corrosion and ultraviolet aging, and the outer layer of the cable is seriously worn for the cable needing to be laid underground, so the problems of wear resistance, corrosion resistance and strength of the outdoor cable are considered, which is very important.
Utility model patent with application number CN201922409444.1 discloses a high strength, wear-resisting, anticorrosive outdoor cable, however, do not consider the resistance to compression problem of cable itself among the technical scheme that this patent recorded, especially to the cable that needs to be laid and use in the underground, the pressure that needs bear is great, when the cable received external force extrusion, relative aversion takes place easily for its inside cable core, the cable warp easily impaired, the cable core easily breaks down, lead to the life of cable to receive the influence.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a high wear-resisting anticorrosive outdoor cable has good wear-resisting corrosion resistance, also possesses good compressive capacity simultaneously, can satisfy the outdoor cable to the requirement of performance such as wear-resisting, anticorrosive, resistance to compression.
The technical scheme of the utility model as follows:
a high-wear-resistance anti-corrosion outdoor cable comprises a cable core and an outer cladding layer, wherein the cable core is formed by circumferentially surrounding a plurality of fan-shaped cable core monomers, each cable core monomer comprises a fan-shaped isolation layer, a conductor is arranged on the inner side of each isolation layer, an insulation layer is wound on the outer side of each conductor in a winding manner, a gap between each conductor and each isolation layer is a first filling layer, and a compression-resistant material is filled in each first filling layer; a plurality of arc-shaped compression-resistant supporting plates are uniformly distributed on the outer side of the cable core in the circumferential direction, the number of the compression-resistant supporting plates is the same as that of the cable core monomers, positioning battens extending along the radial direction of the cable are arranged on one sides of the compression-resistant supporting plates facing the cable core, a containing groove capable of containing the positioning battens is arranged between the contact surfaces of every two adjacent cable core monomers, the compression-resistant supporting plates are made of hard plastic materials, a gap between every two adjacent compression-resistant supporting plates is a second filling layer, and fireproof materials are filled in the second filling layer; and the outer sides of the pressure-resistant supporting plates are sequentially wrapped with an inner protective layer, a strength protective layer, an anticorrosive layer and a high-wear-resistant coating.
The working principle of the technical scheme is as follows:
the utility model discloses a cable mainly lays in outdoor environment, erects or buries in the underground environment at the high altitude and uses for the transmission of electric energy or signal. The utility model discloses set up the cable core monomer into fan-shaped, and the peripheral circumference at the cable core set up the resistance to compression backup pad, when the cable received external pressure, the resistance to compression backup pad can bear this pressure, avoid the cable core directly to bear pressure, and the resistance to compression backup pad passes through the clearance department of location slat and holding tank configuration at two adjacent isolation layers, can keep the stability of resistance to compression backup pad relative position on the one hand, on the other hand, after a plurality of resistance to compression backup pad circumference were arranged, even receive external great pressure, each location slat can keep the cable core monomer can not take place relative aversion, reduce the possibility of cable damage, furthermore, the intraformational compression resistance material of first filling, can play supplementary resistance to compression protection effect to the conductor, also can improve the tensile performance of cable, the surrounding layer comprises the intensity protective layer, anticorrosive coating and high wear-resistant coating, can give the higher working strength of cable, good anticorrosion and high wear resistance, make the cable can satisfy the open air, especially, the high pressure user demand of underground environment.
In further technical scheme, the intensity protective layer includes from interior to exterior sets gradually and moulds protective layer and copper sheathing layer firmly, and the copper sheathing layer can improve the bulk strength and the corrosion resistance of cable, will mould the protective layer setting firmly in the inboard of copper sheathing layer, can improve the compressive property of cable, when the cable body received great pressure, mould the deformation that the protective layer can resist the copper sheathing layer firmly.
In a further technical scheme, a waterproof film is arranged between the inner protective layer and the strength protective layer, so that the waterproof performance of the cable can be improved.
In a further technical scheme, the anticorrosive coating includes polyacrylate layer and the high density polyethylene layer that sets gradually from inside to outside, and the corrosion resisting property on polyacrylate layer is good, and the price is not high, and the design cost is lower, but its tensile property is general, and the high density polyethylene layer has better corrosion resisting property, nevertheless can still appear the condition of ageing after using for a long time, but its tensile property is good, the utility model discloses use polyacrylate layer and high density polyethylene layer combination, combine the performance advantage of two kinds of materials, both can guarantee good anticorrosion effect, can play good tensile property again.
In a further technical scheme, the conductor is an aluminum conductor steel reinforced.
The utility model has the advantages that:
1. the utility model discloses a cable, mainly lay in outdoor environment, erect or bury in the underground environment at the high altitude and use for the transmission of electric energy or signal. The utility model discloses set up the cable core monomer to fan-shaped to set up the resistance to compression backup pad in the peripheral circumference of cable core, in order to bear external pressure, reduce the pressurized degree of cable core, simultaneously, outer intensity protective layer, anticorrosive coating and high wear-resistant coating can give the cable higher service strength, good anticorrosion and high wear resistance, the utility model discloses the performance characteristics such as the resistance to compression, intensity, anticorrosion, wear-resisting of the outdoor cable of abundant consideration, can be fine satisfy the open air, especially the high pressure user demand of underground environment;
2. the strength protection layer consists of a hard plastic protection layer and a copper sheath layer, the copper sheath layer can improve the overall strength and corrosion resistance of the cable, the hard plastic protection layer is arranged on the inner side of the copper sheath layer, the compression resistance of the cable can be improved, and when a cable body is subjected to larger pressure, the hard plastic protection layer can resist the deformation of the copper sheath layer;
3. a waterproof film is arranged between the inner protective layer and the strength protective layer, so that the waterproof performance of the cable can be improved;
4. the anticorrosive coating comprises polyacrylate layer and high density polyethylene layer, and the anticorrosive property on polyacrylate layer is good, and the price is not high, and design cost is lower, but its tensile performance is general, and the high density polyethylene layer has better corrosion resisting property, nevertheless can still appear ageing condition after using for a long time, but its tensile excellent performance, the utility model discloses use polyacrylate layer and high density polyethylene layer combination, combine the performance advantage of two kinds of materials, both can guarantee good anticorrosion effect, can play good tensile performance again.
Drawings
FIG. 1 is a cross-sectional view of an outdoor cable with high abrasion resistance and corrosion resistance according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of an anticorrosive coating according to an embodiment of the present invention.
Description of reference numerals:
1. a conductor; 2. an insulating layer; 3. an isolation layer; 4. a first filling layer; 5. a compression-resistant support plate; 6. a second filling layer; 7. an inner protective layer; 8. a water-resistant film; 9. a hard plastic protective layer; 10. a copper jacket layer; 11. an anticorrosive layer; 111. a high density polyethylene layer; 112. a polyacrylate layer; 12. high wear-resistant coating.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
Example (b):
a high wear-resistant anticorrosion outdoor cable is shown in figure 1 and comprises a cable core and an outer cladding, wherein the cable core is formed by circumferentially surrounding a plurality of fan-shaped cable core monomers, each cable core monomer comprises a fan-shaped isolation layer 3, the isolation layers 3 can be made of PE, PP and other materials, a conductor 1 is arranged on the inner side of each isolation layer 3, the conductor 1 is a steel-cored aluminum stranded conductor, an insulation layer 2 is wound on the outer side of the conductor 1, a gap between the conductor 1 and the isolation layers 3 is a first filling layer 4, a compression-resistant material is filled in the first filling layer 4, the compression-resistant material can be aramid yarn, and the cable has excellent tensile resistance while playing compression resistance protection; a plurality of arc-shaped compression-resistant supporting plates 5 are uniformly distributed on the outer side of the cable core in the circumferential direction, the number of the compression-resistant supporting plates 5 is the same as that of the cable core monomers, one side, facing the cable core, of each compression-resistant supporting plate 5 is provided with a positioning batten extending along the radial direction of the cable, a containing groove capable of containing the positioning batten is formed between the contact surfaces of every two adjacent cable core monomers, the compression-resistant supporting plates 5 are made of hard plastic materials, the gap between every two adjacent compression-resistant supporting plates 5 is a second filling layer 6, and fireproof materials, specifically glass fibers, are filled in the second filling layer 6; the outer sides of the pressure-resistant supporting plates 5 are sequentially wrapped with an inner protective layer 7, a strength protective layer, an anticorrosive layer 11 and a high-wear-resistant coating 12.
The utility model discloses a cable, mainly lay in outdoor environment, erect or bury in the underground environment at the high altitude and use for the transmission of electric energy or signal. The utility model discloses set up the cable core monomer into fan-shaped, and peripheral circumference at the cable core set up resistance to compression backup pad 5, when the cable received external pressure, resistance to compression backup pad 5 can bear this pressure, avoid the cable core to directly bear pressure, and resistance to compression backup pad 5 passes through the clearance department of location slat and holding tank configuration at two adjacent isolation layers 3, can keep the stability of resistance to compression backup pad 5 relative position on the one hand, on the other hand, after 5 circumference of a plurality of resistance to compression backup pads were arranged, even receive external great pressure, each location slat also can keep the cable core monomer can not take place relative aversion, reduce the possibility of cable damage, furthermore, the compressive material in the first filling layer 4, can play supplementary resistance to compression protection effect to conductor 1, also can improve the tensile resistance of cable, outer intensity protection layer, anticorrosive coating 11 and high wear-resistant coating 12, can give the higher working strength of cable, good anticorrosion and high wear resistance, make the cable can satisfy, especially, the high pressure user demand of underground environment.
In this embodiment, as shown in fig. 1, the strength protection layer includes hard plastic protection layer 9 and copper sheathing layer 10 that set gradually from inside to outside, and copper sheathing layer 10 can improve the bulk strength and the corrosion resistance of cable, will mould protection layer 9 hard and set up in the inboard of copper sheathing layer 10, can improve the compressive property of cable, and when the cable body received great pressure, hard plastic protection layer 9 can resist the deformation of copper sheathing layer 10.
In this embodiment, as shown in fig. 2, the corrosion protection layer 11 includes a polyacrylate layer 112 and a high density polyethylene layer 111 sequentially arranged from inside to outside, the polyacrylate layer 112 has excellent corrosion protection performance, low price and low design cost, but its stretch-proof performance is general, and the high density polyethylene layer 111 has better corrosion protection performance, but the aging condition still appears after long-time use, but its stretch-proof performance is excellent, the utility model discloses use the polyacrylate layer 112 and the high density polyethylene layer 111 in combination, combine the performance advantages of two materials, both can guarantee excellent corrosion protection effect, can play good stretch-proof performance again.
In another embodiment, as shown in fig. 1, a waterproof film 8 is arranged between the inner protective layer 7 and the strength protective layer, and the waterproof film 8 can be a polytetrafluoroethylene film, which can improve the waterproof performance of the cable.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (5)

1. The high-wear-resistance anti-corrosion outdoor cable is composed of a cable core and an outer cladding layer and is characterized in that the cable core is formed by circumferentially surrounding a plurality of fan-shaped cable core monomers, each cable core monomer comprises a fan-shaped isolation layer, a conductor is arranged on the inner side of each isolation layer, an insulation layer is wound on the outer side of each conductor, a gap between each conductor and each isolation layer is a first filling layer, and compression-resistant materials are filled in the first filling layers; a plurality of arc-shaped compression-resistant supporting plates are uniformly distributed on the outer side of the cable core in the circumferential direction, the number of the compression-resistant supporting plates is the same as that of the cable core monomers, positioning battens extending along the radial direction of the cable are arranged on one sides, facing the cable core, of the compression-resistant supporting plates, a containing groove capable of containing the positioning battens is arranged between contact surfaces of every two adjacent cable core monomers, a gap between every two adjacent compression-resistant supporting plates is a second filling layer, and fireproof materials are filled in the second filling layer; a plurality of the outside of resistance to compression backup pad is around having interior protective layer, intensity protective layer, anticorrosive coating and high wear-resisting coating in proper order.
2. The outdoor cable with high wear resistance and corrosion resistance as claimed in claim 1, wherein the strength protection layer comprises a hard plastic protection layer and a copper sheath layer which are arranged in sequence from inside to outside.
3. The outdoor cable of claim 1, wherein a waterproof film is disposed between the inner protective layer and the strength protective layer.
4. The outdoor cable with high wear resistance and corrosion prevention according to claim 1, wherein the corrosion prevention layer comprises a polyacrylate layer and a high density polyethylene layer sequentially arranged from inside to outside.
5. The outdoor cable of claim 1, where the conductor is an aluminum conductor steel reinforced.
CN202221714225.XU 2022-07-05 2022-07-05 High-wear-resistance and anti-corrosion outdoor cable Active CN217880904U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221714225.XU CN217880904U (en) 2022-07-05 2022-07-05 High-wear-resistance and anti-corrosion outdoor cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221714225.XU CN217880904U (en) 2022-07-05 2022-07-05 High-wear-resistance and anti-corrosion outdoor cable

Publications (1)

Publication Number Publication Date
CN217880904U true CN217880904U (en) 2022-11-22

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ID=84099008

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221714225.XU Active CN217880904U (en) 2022-07-05 2022-07-05 High-wear-resistance and anti-corrosion outdoor cable

Country Status (1)

Country Link
CN (1) CN217880904U (en)

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