Power transmission line
A power transmission line, hollow technology, applied in the direction of circuits, insulated cables, power cables, etc., can solve the problems of short life of power core wires, and achieve the effects of simple structure, prevent damage, and good pressure resistance
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[0015] Such as figure 1 with figure 2 As shown, the power transmission line includes an outer cover layer 8, a mounting cavity 4 is provided in the outer cover layer 8, and an outer protective layer 6 and a hollow layer 9 are installed in the mounting cavity 4;
[0016] The cross-sections of the outer protective layer 6 and the hollow layer 9 are circular hollow structures, which are the same length as the entire outer layer 8. The outer protective layer 6 and the hollow layer 9 are both closed at both ends, and the outer protective layer has a A closed first air storage cavity 7 with a closed second air storage cavity 2 in the hollow layer 9;
[0017] Both ends of the first air storage cavity 7 are respectively provided with an outlet hole, the power core wire 5 passes through the outlet hole and is sealed and fixed with glue;
[0018] The outer protective layer 6 is located on the top of the hollow layer 9, the power core 5 is built in the first gas storage cavity 7, and the oute...
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