Wall-climbing polishing robot for large storage tank

The utility model relates to the field of mechanical automation engineering. The wall-climbing grinding robot for the large storage tank has the advantages of being good in grinding effect, reliable in operation and high in working efficiency. The technical scheme is as follows: the method comprises the following steps: preparing; the utility model discloses a wall-climbing polishing robot for a large storage tank. the robot comprises a wall-climbing walking mechanism, the polishing mechanism and the calibration video detection mechanism are arranged at the front part of the wall-climbing walking mechanism; the lifting mechanism is used for driving the polishing mechanism and the calibration video detection mechanism to vertically move; the rear video detection mechanism is arranged at therear part of the wall-climbing walking mechanism; the control box is arranged on the wall-climbing walking mechanism; the external operation table is connected with the control box through a cable; the wall-climbing walking