High-flexibility cable

Abstract

The invention relates to a high-flexibility cable, which adopts an outer sheath layer made of a polyvinyl chloride material to replace the traditional rubber outer sheath layer so as to improve the wear resistance and flame retardance of the cable. The pressure between core wires of the cable is absorbed through the deformation of a filling rope and a filler, and the flexibility of the cable is improved. In addition, the high-flexibility cable is high in mechanical strength and long in service life. The outer sheath layer is contacted with a braided layer, and the braided layer is arranged inside the outer sheath layer. The braided layer is contacted with an outer shielding layer, and the outer shielding layer is arranged inside the braided layer. The outer shielding layer is contacted with a lining layer, and the lining layer is arranged inside the outer shielding layer. Cable core wire assemblies, spacing strips, the filling rope and the filler are arranged inside the lining layer, the filling rope is arranged at the middle of the lining layer, the cable core wire assemblies and the spacing strips are alternatively distributed, the filler is filled among the lining layer, the cable core wire assemblies, the spacing strips and the filling rope.

Description

technical field [0001] The invention relates to the field of cables and wires, more specifically to high-flexibility cables. Background technique [0002] Wire and cable are wire products that transmit electrical energy, electrical signals and realize electromagnetic energy conversion. Cables usually consist of a core for transmitting power or electrical signals and a sheath for protection and insulation. A cable with a single core and a small diameter is often called a wire. There are also wires that do not have an insulating sheath and are called bare wires. The core in the cable is made of a metallic material with good electrical conductivity, usually copper or aluminum. [0003] Although the wire and cable industry is only a supporting industry, it occupies a huge output value of China's electrical industry. It has a wide variety of products and a wide range of applications, involving industries such as electric power, construction, communications, and manufacturing,...

AI Technical Summary

Problems solved by technology

But from an objective point of view, compared with the wire and cable industry in Europe and the United States, my country is still in a big but not strong situation, and there is still a big gap with foreign famous wire and cable brands.

[0004] Some cables currently on the market mainly rely on the cable conductor and rubber sheath for load bearing. With the change of use time, the rubber sheath will accelerate aging, and even cracks will appear, the tensile strength will decrease rapidly, and the bearing capacity will gradually transfer to the conductor. , the conductor will also accelerate aging with the change of service time, and the tensile strength will gradually decrease

And the existing shortcomings such as poor bending ability and poor mechanical strength cannot be bent multiple times, and multiple bending will damage the cable. However, for cables used in some fields, multiple bending or bending wiring is required.

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