Comprehensive online monitoring device for high-voltage alternating-current cable sheath

The utility model discloses a comprehensive online monitoring device for a high-voltage alternating-current cable sheath, which comprises a main body module, a mobile module and a monitoring module, the movable module comprises a sealing shell fixed to the main body module, a controller installed on the inner wall of the sealing shell, driving assemblies symmetrically arranged in an inner cavity of the sealing shell and stretching into the inner cavity of the main body module and a movable assembly arranged at the end of the main body module and stretching into the main body module, and the sealing shell is integrally fixed to the base, so that the sealing performance is improved; rainwater and dust are prevented from entering, the controller is used for controlling the motor to rotate forwards and backwards, the driving assembly comprises the motor arranged in an inner cavity of the sealing shell and a disc installed on a motor shaft, the motor is used for driving the disc to rotate, and the disc rotates to