Electrified coating device and method for insulating sleeve at joint of power equipment

The invention discloses an electrified coating device and method for an insulating sleeve at the joint of power equipment. The electrified coating device comprises an insulating rod, a coating execution assembly and an insulating sleeve prefabricated part, the parcel execution assembly comprises a controller, a left parcel arm, a right parcel arm and a grabbing piece. The controller is arranged on the insulating rod, the two opposite sides of the controller are in transmission connection with the left wrapping arm and the right wrapping arm respectively, the grabbing part is arranged on the insulating rod, the controller is electrically connected with the grabbing part, the movable end of the grabbing part is connected with the insulating sleeve prefabricated part, and the insulating sleeve prefabricated part is located between the left wrapping arm and the right wrapping arm; the controller is used for controlling surrounding of the left wrapping arm and the right wrapping arm, so that the insulation sleeve