Insulating layer coating device for overhead high-voltage wire

The invention relates to the technical field of power equipment, in particular to an overhead high-voltage wire insulating layer coating device which comprises a main shell, a left fixing ring, a left winding device, a right fixing ring and a right spraying device. The main shell is provided with a left-right through wire feeding cavity, and the left fixing ring is arranged on the outer side of the left portion, corresponding to the wire feeding cavity, of the main shell; a left winding device capable of rotating around the inner side of the left fixing ring is arranged on the inner side of the left fixing ring and comprises a left rotating frame and a rotating roller, and the left rotating frame is arranged on the inner side of the left fixing ring. The device is reasonable and compact in structure and convenient to use, the left rotating frame rotates around the inner side of the left fixing ring, and insulating tape winding on the outer side of a wire is achieved; the right rotating frame rotates around th