Power cable

Abstract

The invention discloses a power cable. The power cable comprises a conductor, wherein an insulation sleeve sleeves an outer wall of the conductor, inner sides of the insulation sleeve and the conductor are filled with magnesium powder, a silica gel sleeve sleeves an outer wall of the insulation sleeve, a bottom groove sleeves the bottom of an outer wall of the silica gel sleeve, a top groove sleeves an outer wall of the top of the silica gel sleeve, the top groove and the silica gel sleeve are in interference fitting, second pull rods are fixedly connected with the bottoms of a left side and aright side of a front surface of the top groove, second connection blocks are fixedly connected with bottoms of a left end and a right end of the top groove, a side block is fixedly connected with anouter side end of each second connection block, a threaded rod is fixedly connected with a center of a bottom end of the side block, an outer wall of the bottom of the threaded rod penetrates througha sleeve block, the sleeve block and the threaded rod are in gap connection, and a threaded sleeve is in threaded connection with the bottom of the outer wall of the threaded rod. In the power cable,the power cable can be protected by matching of the top groove and the bottom groove and by the device when working is needed to be performed, and damage during placement is prevented.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a power cable. Background technique [0002] Power cables are cables used to transmit and distribute electric energy. Power cables are often used in urban underground power grids, power station lead lines, internal power supply in industrial and mining enterprises, and underwater transmission lines across rivers and seas. In power lines, the proportion of cables is gradually increasing. Power cable is a cable product used to transmit and distribute high-power electric energy in the main line of the power system, including various voltage levels of 1-500KV and above, and various insulated power cables. In the prior art, such as the application number is 201721783625.5 invention patent, which includes sheath layer, armor layer, inner lining layer, tape layer, shielding layer, filler layer, cable body, outer filler layer, the armor layer is located in the sheath layer, and the inner ...

AI Technical Summary

Problems solved by technology

[0002] Power cables are cables used to transmit and distribute electric energy. Power cables are often used in urban underground power grids, power station lead lines, internal power supply in industrial and mining enterprises, and underwater transmission lines across rivers and seas. In power lines, the proportion of cables is gradually increasing. Power cable is a cable product used to transmit and distribute high-power electric energy in the main line of the power system, including various voltage levels of 1-500KV and above, and various insulated power cables. In the prior art, such as the application number is 201721783625.5 invention patent, which includes sheath layer, armor layer, inner lining layer, tape layer, shielding layer, filler layer, cable body, outer filler layer, the armor layer is located in the sheath layer, and the inner lining layer is located in the armor layer In the packing layer, the tape layer is located in the inner lining layer, the outer filler layer is located in the tape layer, the shielding layer is located in the tape layer, the filler layer is located in the shielding layer, the cable body is located in the filler layer, and the cable body includes the first protection Layer, second protective layer, insulating layer, conductor shielding layer, conductor, the first protective layer is located in the filler layer, the second protective layer is located in the first protective layer, the insulating layer is located in the second protective layer, the conductor shielding layer is located in the insulating In the layer, the conductor is located in the conductor shielding layer; the outer filler layer is provided with copper strips; the sheath layer uses a spiral structure; the conductor is an aluminum alloy wire, although the patent can improve the tensile strength, but in It is easily damaged when placed in the pipeline, and it is not convenient to replace if it is damaged

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