Power cable joint protection device and protection method

Abstract

The application relates to the technical field of cable joint, and discloses a power cable intermediate joint protection device which comprises a protection sleeve, a connecting sleeve I and a connecting sleeve II, the protection sleeve is sleeved on the joint of the middle of a cable, the connecting sleeve I and the connecting sleeve II are respectively connected to the two ends of the protection sleeve, the protection sleeve is a hollow cylindrical sleeve, the connecting sleeve I comprises a compression sleeve I, a compression sleeve II, a mounting ring I and a mounting ring II, the compression sleeve I and the compression sleeve II are the same in structure, the compression sleeve I and the compression sleeve II are connected through a mounting assembly, the compression sleeve I and the compression sleeve II are sleeved on the cable joint, then the compression sleeve I and the compression sleeve II are enclosed, a pin body is inserted into a connecting hole, and a plug-in plate is inserted into a plug-in slot, so that the compression sleeve I and the compression sleeve II are fixedly installed, when a handle is rotated, rubber air bags in the compression sleeve II and the compression sleeve I are inflated, the cable joint is tightly wrapped, and the safety protection of the cable joint is improved.

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