Spraying device for guardrail

The utility model discloses a spraying device for guardrails, which belongs to the technical field of spraying protection and comprises an outer shell, a liquid storage tank and a motor, the liquid storage tank is positioned inside the outer shell, the motor is positioned at the top of the outer shell, a turntable is arranged at the bottom of the motor, and a rotating shaft is arranged at the bottom of the turntable. The rotating shaft penetrates through the outer shell and enters the liquid storage tank, stirring blades are arranged on the rotating shaft, a pipeline is installed on the side wall of the liquid storage tank, a sliding rail is installed at the top end of the pipeline, sliding blocks are arranged at the two ends of the sliding rail respectively, spray head supports are installed on the sliding blocks respectively, and fixing bases are arranged on the spray head supports. A spray head is mounted on the fixed seat, and a dryer is arranged in the spray head. According to the spraying device for the