Buried pressure-resistant cable

Abstract

The invention discloses a buried pressure-resistant cable, which comprises a cable outer protective layer, an installation cavity is formed in the cable outer protective layer, an elastic support cage is installed in the installation cavity, and the elastic support cage extends along the length direction of the cable outer protective layer , a gap cavity is formed between the outer wall of the elastic support cage and the inner wall of the installation cavity, and more than one cable core wire is arranged in the gap cavity, and an elastic support part is elastically stretched out of the elastic support cage, and the elastic support part protrudes from the elastic One end of the support cage forms an arc wrapping portion. The present invention has an elastic support cage inside the cable, which has a very good elastic cushioning capacity in normal use, and can press the cable core wire into the concession protection cavity after receiving a large shear pressure, and use the elastic support cage to carry out A secondary protection, at the same time, the elastic support part can wrap the cable core wire outside the cable core wire after the cable core wire is retracted into the retreat protection cavity, further improving the strength and increasing the overall safety of the cable.

Description

technical field [0001] The invention relates to the field of cables, in particular to an underground pressure-resistant cable. Background technique [0002] The structure of the cable generally includes the cable outer protective layer and the cable core wire. In order to increase the safety of the cable core wire, the cable outer protective layer generally has a safety setting on it to increase the buffering capacity and shear resistance of the cable outer protective layer. , so there are many armored cables at present, but the armored cable can only provide one protection for the cable core wire. Once damaged, the core wire will be damaged by shearing immediately. The protection effect of the line is not good. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a buried pressure-resistant cable. The present invention adopts a multi-layer structure, which not only improves the buffer capacity of the cable, but also...

AI Technical Summary

Problems solved by technology

[0002] The structure of the cable generally includes the cable outer protective layer and the cable core wire. In order to increase the safety of the cable core wire, the cable outer protective layer generally has a safety setting on it to increase the buffering capacity and shear resistance of the cable outer protective layer. , so there are many armored cables at present, but the armored cable can only provide one protection for the cable core wire. Once damaged, the core wire will be damaged by shearing immediately. Wire protection is not good

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