Paint spraying device for wind driven generator tower drum

The utility model discloses a paint spraying device for a tower drum of a wind driven generator. The paint spraying device comprises a traveling mechanism, a lifting device and a paint spraying mechanism, a bottom plate is horizontally arranged at the tail end of an execution shaft of the lifting device, the paint spraying mechanism is arranged on the bottom plate and comprises a paint box, a high-pressure pump is arranged on one side of the paint box, a three-way pipe is arranged on an outlet pipe of the high-pressure pump, a stepping motor is erected on one side of the high-pressure pump, and a driving gear is arranged at the tail end of an execution shaft of the stepping motor. Rotating pipes are symmetrically erected on the front side and the rear side of the driving gear, driven gears are arranged on the rotating pipes, the ends, close to the stepping motor, of the rotating pipes communicate with the three-way pipes on the corresponding sides, connecting pipes are arranged on the sides, away from each ot