Large-section high-conductivity heat-resistant aluminum-clad steel-cored aluminum stranded wire

Through the multi-layer structure design, the problem of insufficient heat resistance of aluminum stranded wire under high voltage is solved, the heat resistance and protection are improved, and the service life is extended.

CN223436358UActive Publication Date: 2025-10-14YUNNAN JULI CABLE MFG CO LTD
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Patent Information

Application Number
CN202422659511.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-10-14
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

Existing aluminum stranded wires tend to generate a lot of heat under high voltage, resulting in insufficient heat resistance, shortened service life, and insufficient protection, making them easily damaged by external forces.

Method used

It adopts a multi-layer structural design, including steel core, aluminum cladding, protective sleeve, aluminum stranded wire layer, protective layer, protective layer, wear-resistant inner layer, heat-resistant layer, heat-resistant layer, protective outer layer and protective inner layer, and uses a combination of different materials to improve heat resistance and protection.

Benefits of technology

It significantly improves the heat resistance and protection of aluminum stranded wire, prolongs its service life, and enhances the toughness and protection capability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of power distribution facilities, in particular to a large-section high-conductivity heat-resistant aluminum-clad steel-cored aluminum stranded wire, which comprises a plurality of steel cores, an aluminum clad layer is fixedly mounted on the outer side of each steel core, a protective sleeve is fixedly sleeved on the surface of each aluminum clad layer, and the protective sleeve is sleeved on the outer side of each steel core. An aluminum stranded aluminum wire layer is movably arranged on the outer side of the protective sleeve, a protective layer is movably arranged on the outer side of the aluminum stranded aluminum wire layer, a protective outer layer is fixedly installed on the outer side of the protective layer, the protective outer layer comprises a wear-resistant layer, and a wear-resistant inner layer is fixedly installed in an inner cavity of the wear-resistant layer. According to the utility model, the overall heat resistance of the equipment can be improved, the protection outer layer and the protection outer layer can protect the equipment during use, the overall heat resistance of the equipment can also be improved when the equipment is protected, and the wear-resistant inner layer, the heat-resistant layer and the wear-resistant layer can improve the overall heat resistance of the equipment and can also protect the equipment during use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to power distribution facilities technical field, concretely is a kind of large cross section high conductivity heat-resistant aluminium steel core aluminium stranded conductor. BACKGROUND

[0002] Aluminium stranded conductor belongs to bare conductor, steel core mainly plays the role of increasing strength, aluminium stranded conductor mainly plays the role of transmitting electric energy, according to voltage, the cross-sectional area of conductor is also different.

[0003] Through the research, the announcement No. CN217086185U is named as a kind of aluminium stranded conductor with steel core, including wire core and cylindrical aluminium stranded conductor, by research and analysis, it is found that the equipment is wrapped around the outer surface of trapezoidal aluminium stranded conductor by setting arc-shaped wrapping layer, it is convenient to protect stranded conductor, avoid damage by external force, and predetermined gap is left between trapezoidal aluminium stranded conductor, it is convenient to dissipate heat, by setting arc-shaped wrapping layer for elastic material, it is favorable to avoid that arc-shaped wrapping layer excessively extrudes inward, so that the conductor in extrusion breakage is avoided, but, to some extent, there are still the following shortcomings.

[0004] For example, the equipment does not have the function of increasing the heat resistance of the equipment when in use, a large amount of heat is easily generated in the equipment, and the service life of the components is reduced due to insufficient heat resistance after long-term use, and when in use, it is only protected from the outside through a simple structure, if the equipment is subjected to excessive pressure, the equipment is easily damaged due to insufficient protection, in order to solve the above technical problems, therefore, we design a large cross section high conductivity heat-resistant aluminium stranded conductor with steel core. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of large cross section high conductivity heat-resistant aluminium stranded conductor with steel core, with the advantages of good heat resistance and good protection, solve the problem that the equipment does not have the function of increasing the heat resistance, so that the service life of the components is reduced due to insufficient heat resistance, and when in use, it is only protected from the outside through a simple structure.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of large cross section high conductivity heat-resistant aluminium stranded conductor with steel core, including steel core, the outer side of the steel core is fixedly installed with aluminium cladding layer, the number of the steel core is several, the surface of the aluminium cladding layer is fixedly sleeved with protective sleeve, the outer side of the protective sleeve is movably provided with aluminium stranded aluminium wire layer, the outer side of the aluminium stranded aluminium wire layer is movably provided with protective layer, the outer side of the protective layer is fixedly installed with protective layer, the protective layer includes wear-resistant layer, the inner cavity of the wear-resistant layer is fixedly installed with wear-resistant inner layer, the protective sleeve includes heat-resistant layer, the inner cavity of the heat-resistant layer is fixedly installed with heat-resistant layer.

[0007] Preferably, the protective layer comprises a protective outer layer, and a protective inner layer is fixedly installed at the bottom of the protective outer layer.

[0008] Preferably, the material of the protective outer layer is ethylene-propylene rubber, and the material of the protective inner layer is nitrile rubber.

[0009] Preferably, the material of the heat-resistant layer is chlorinated polyethylene, and the material of the heat-resistant layer is high-temperature-resistant silicone rubber.

[0010] Preferably, the material of the wear-resistant inner layer is chloroprene rubber, and the material of the wear-resistant layer is styrene-butadiene rubber.

[0011] Preferably, the surface of the protective layer is fixedly installed with a plurality of protective protrusions.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] The utility model discloses a protective layer, a protective layer, a wear-resistant inner layer, a heat-resistant layer, a heat-resistant layer, a protective outer layer, a protective inner layer, a protective protrusion and the cooperation of wear-resistant layer can increase the heat resistance of equipment whole, when using, the protective outer layer and the protective inner layer can protect the equipment, when protecting equipment, can also increase the heat resistance of equipment whole, and when using, wear-resistant inner layer, heat-resistant layer and wear-resistant layer can increase the heat resistance of equipment whole, and can also protect the equipment. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the sectional view perspective drawing of the utility model structure;

[0015] Figure 2 It is the sectional view perspective drawing of the utility model structure;

[0016] Figure 3 It is the sectional view perspective drawing of the utility model structure;

[0017] Figure 4 It is the sectional view perspective drawing of the utility model structure;

[0018] Figure 5 It is the sectional view perspective drawing of the utility model structure;

[0019] In the drawing: 1, steel core;2, aluminum cladding;3, protective sleeve;4, aluminum twisted aluminum wire layer;5, protective layer;6, protective layer;7, wear-resistant inner layer;8, heat-resistant layer;9, heat-resistant layer;10, protective outer layer;11, protective inner layer;12, protective protrusion;13, wear-resistant layer. DETAILED DESCRIPTION

[0020] Please refer to Figures 1-5The utility model provides a large section high conductivity heat -resisting aluminum clad steel core aluminum stranded conductor, including steel core 1, the outside fixed mounting of steel core 1 has aluminum cladding 2, the number of steel core 1 is several, the surface fixed sleeve of aluminum cladding 2 has the protective sleeve 3, the outside movable setting of protective sleeve 3 has aluminum stranded aluminum wire layer 4, the outside movable setting of aluminum stranded aluminum wire layer 4 has the protective layer 5, the outside fixed mounting of protective layer 5 has the protective layer 6, and the protective layer 6 includes wear -resisting layer 13, and the inner chamber fixed mounting of wear -resisting layer 13 has wear -resisting inner layer 7, and the protective sleeve 3 includes heat -resisting layer 8, and the inner chamber fixed mounting of heat -resisting layer 8 has heat -resisting layer 9, by setting up the protection protrusion 12, can increase the protectivity of equipment surface, can also increase the resilience of equipment surface, by setting up aluminum cladding 2, can be wrapped protection to steel core 1, to increase the protectivity of steel core 1 surface, by setting up protective sleeve 3, can be bound to steel core 1, can also protect steel core 1.

[0021] Please refer to Figure 1 、 Figure 2 and Figure 5 , the protective layer 5 includes protective outer layer 10, and the bottom fixed mounting of protective outer layer 10 has protective inner layer 11.

[0022] Please refer to Figure 1 、 Figure 2 and Figure 5 , the material of protective outer layer 10 is ethylene -propylene elastomer rubber, and the material of protective inner layer 11 is butyronitrile rubber.

[0023] Please refer to Figure 1 、 Figure 2 and Figure 4 , the material of heat -resisting layer 8 is chlorinated polyethylene, and the material of heat -resisting layer 9 is high -temperature silicon rubber.

[0024] Please refer to Figure 1 、 Figure 2 and Figure 3 , the material of wear -resisting inner layer 7 is chloroprene rubber, and the material of wear -resisting layer 13 is styrene butadiene rubber.

[0025] Please refer to Figure 1 and Figure 2 , the surface fixed mounting of protective layer 6 has protection protrusion 12, and the number of protection protrusion 12 is several.

[0026] In use, the heat-resistant layer 8 can protect the steel core 1 from heat, and also increase the toughness of the device, so that the device is not easily damaged when extruded by the outside world. The heat-resistant layer 9 can cooperate with the heat-resistant layer 8 to increase the heat resistance of the device, and also has good elasticity, thereby greatly increasing the protection of the device. The protective outer layer 10 can increase the protection of the device, and also has good chemical resistance, electrical insulation performance, impact elasticity, low temperature performance, low density, high filling property, heat resistance and heat resistance. The protective inner layer 11 can increase the heat resistance of the device, and also increase the wear resistance of the surface of the device. The wear-resistant inner layer 7 can increase the oil resistance, heat resistance, flammability, sunlight resistance, ozone resistance, acid and alkali resistance, and chemical resistance of the device, and also has good tensile strength and elongation. The wear-resistant layer 13 can increase the wear resistance, heat resistance and aging resistance of the device.

[0027] In summary: the large cross-section high-conductivity heat-resistant aluminum-clad steel core aluminum stranded wire, through the cooperation of the steel core 1, the aluminum clad layer 2, the protective sleeve 3, the aluminum stranded aluminum wire layer 4, the protective layer 5, the protective layer 6, the wear-resistant inner layer 7, the heat-resistant layer 8, the heat-resistant layer 9 and the protective outer layer 10, solves the problem that the device does not have the function of increasing the heat resistance of the device, so that the service life of the device is easily reduced due to insufficient heat resistance, and in use, the device is also only protected by a simple structure from the outside world.

Claims

1. A large-section, high-conductivity, heat-resistant aluminum-clad steel-core aluminum stranded wire, comprising a steel core (1), characterized in that: An aluminum cladding (2) is fixedly installed on the outer side of the steel core (1), the number of the steel cores (1) is several, a protective sleeve (3) is fixedly provided on the surface of the aluminum cladding (2), an aluminum stranded aluminum wire layer (4) is movably provided on the outer side of the protective sleeve (3), a protective layer (5) is movably provided on the outer side of the aluminum stranded aluminum wire layer (4), a protective layer (6) is fixedly installed on the outer side of the protective layer (5), the protective layer (6) includes a wear-resistant layer (13), a wear-resistant inner layer (7) is fixedly installed in the inner cavity of the wear-resistant layer (13), the protective sleeve (3) includes a heat-resistant layer (8), and a heat-resistant layer (9) is fixedly installed in the inner cavity of the heat-resistant layer (8).

2. The large-section, high-conductivity, heat-resistant aluminum-clad steel-core aluminum stranded wire according to claim 1, characterized in that: The protective layer (5) comprises a protective outer layer (10), and a protective inner layer (11) is fixedly mounted on the bottom of the protective outer layer (10).

3. The large-section, high-conductivity, heat-resistant aluminum-clad steel-core aluminum stranded wire according to claim 2, characterized in that: The material of the protective outer layer (10) is ethylene propylene rubber, and the material of the protective inner layer (11) is nitrile rubber.

4. The large-cross-section, high-conductivity, heat-resistant aluminum-clad steel-core aluminum stranded wire according to claim 1, characterized in that: The material of the heat-resistant layer (8) is chlorinated polyethylene, and the material of the heat-resistant layer (9) is high-temperature resistant silicone rubber.

5. The large-section, high-conductivity, heat-resistant aluminum-clad steel-core aluminum stranded wire according to claim 1, characterized in that: The material of the wear-resistant inner layer (7) is chloroprene rubber, and the material of the wear-resistant layer (13) is styrene-butadiene rubber.

6. The large-section, high-conductivity, heat-resistant aluminum-clad steel-core aluminum stranded wire according to claim 1, characterized in that: Protective protrusions (12) are fixedly mounted on the surface of the protective layer (6), and the number of the protective protrusions (12) is several.

Citation Information

Patent Citations

  • Aluminum-clad steel core aluminum stranded wire

    CN217086185U