High-tensile multi-layer stranded power cable

Through the coordinated design of the inner conductor, outer stranded layer, interlayer buffer layer, reinforcing braided layer and sheath layer, the problem of poor mechanical strength and dynamic adaptability of the cable is solved, and the tensile strength, bending life and lightweight are improved, thereby improving the economic efficiency and engineering applicability of the cable.

CN224123156UActive Publication Date: 2026-04-14BAODING QIANGLIS POWER CABLE MFG CO LTD
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Patent Information

Application Number
CN202520708225.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-04-14
Estimated Expiration
2035-04-15

AI Technical Summary

Technical Problem

Existing power cables are poor in terms of mechanical strength and dynamic adaptability, and are prone to mechanical stress damage.

Method used

The design employs a synergistic structure consisting of an inner conductor, an outer stranded layer, an interlayer buffer layer, a reinforcing braid layer, and a sheath layer. The inner conductor is formed by stranding metal wires, the outer stranded layer is formed by spirally winding metal wires, the interlayer buffer layer is formed by spraying nano-ceramic materials, the reinforcing braid layer has a mesh structure, and the sheath layer is integrated with the reinforcing braid layer through a fusion embedding process to form a continuous interface.

Benefits of technology

It improves the tensile strength, bending fatigue life, and lightweight level of the cable, enhances the mechanical strength and dynamic adaptability of the cable, and improves the economic efficiency and engineering applicability of the cable.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model belongs to the field of power cables, and particularly relates to a high-tensile multi-layer stranded power cable, which comprises an inner-layer conductor. The surface of the inner-layer conductor is sleeved with an outer-layer stranded layer, the surface of the outer-layer stranded layer is sleeved with an interlayer buffer layer, the surface of the interlayer buffer layer is provided with a reinforced braid layer, and the surface of the reinforced braid layer is sleeved with a sheath layer; the inner-layer conductor is formed by twisting metal wires, the outer-layer twisting layer is formed by spirally winding metal wires on the outer surface of the inner-layer conductor, the twisting direction of the outer-layer twisting layer is opposite to that of the inner-layer conductor, the interlayer buffer layer covers the surface of the outer-layer twisting layer, and the sheath layer covers the interlayer buffer layer; through the collaborative structural design of the inner-layer conductor, the outer-layer stranded layer, the interlayer buffer layer, the reinforced braid layer and the sheath layer, the comprehensive improvement of the tensile strength, the bending fatigue life and the lightweight level of the cable is realized, the problems of poor mechanical strength and dynamic adaptability are solved, and the economical efficiency and the engineering applicability of the cable are improved.
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