Autoamtic rust removing machine for guard rail

A guardrail automatic derusting equipment is provided, which is characterized in that: A. a derusting component 8 is provided at one side of a drive component 7 by hanging; B. a motor, a drive wheel 1, a guide wheel 4 and a cylinder 2 are arranged on the drive component 7, the drive wheel 1 and the output axle of the motor 3 are connected and contacted with a guardrail 5, the guide wheel 4 is arranged on the guardrail 5 by hanging; C. an upper and a middle derusting devices and the guide wheel 4 are arranged on the derusting component 8, the guide wheel 4 is also arranged on the guardrail 5, a derusting brush 6 is connected with the output axle of the motor 3 and jointed with the guardrail 5. The utility model can finish the derusting work with long distance and large scale, which does not need hand operation, the work period is short, the work efficiency is high and the maintenance cost of guardrail is low.