Walking device and wind power blade polishing robot

The invention belongs to the field of grinding equipment, and particularly provides a walking device and a wind power blade grinding robot, the walking device comprises a main machine frame, a front shaft assembly, a rear shaft assembly and two walking belts, the main machine frame comprises a base, and an air suction hole is formed in the middle of the base and used for being communicated with an evacuation power device; the front shaft assembly is rotationally arranged at the front end of the main rack, and the periphery of the front shaft assembly makes friction contact with the front end of the base. The rear shaft assembly is rotationally arranged at the rear end of the main rack, and the periphery of the rear shaft assembly makes friction contact with the rear end of the base. The two walking belts wrap the front shaft assembly and the rear shaft assembly and are located on the left side and the right side of the base, and a vacuum adsorption cavity is formed in the area defined by the front shaft assem