Electrified insulating coating robot capable of spraying at constant speed

The invention discloses an electrified insulation coating robot capable of spraying at a constant speed, and belongs to the field of machinery. The device is composed of an ECU, a walking brushless motor, a planetary reducer, a change gear, a spraying brushless motor, a spraying planetary reducer, a lead screw and a spraying head. The driving mode that a brushless motor drives a planetary reducer to drive a change gear is adopted, and walking of the electrified insulation coating robot is driven. A working mode that a brushless motor drives a planetary reducer to extrude materials is adopted, and meanwhile, a coating layer with uniform thickness is formed on the periphery of a to-be-sprayed wire by uniformly controlling the spraying speed; the change gear is composed of an upper tooth-shaped change gear and a lower tooth-shaped change gear. The spraying robot can adapt to overhead wires or flexible wire overhead power supply lines laid in an inclined mode, it is guaranteed that the spraying robot walks at a c