Rotor protection structure of three-phase asynchronous motor

The utility model discloses a three-phase asynchronous motor rotor protection structure, which comprises a motor main body, a maintenance sleeve and a cleaning sleeve, one end of the motor main body is provided with a rotor, one side of the motor main body close to the rotor is fixedly connected with a fixed shell, two sides of the fixed shell are provided with slots, the slots are internally provided with fixed rods, and the fixed rods are fixedly connected with the maintenance sleeve. The top ends of the two sides of the cleaning sleeve and the top ends of the two sides of the fixing blocks are fixedly connected with fixing blocks matched with the inserting grooves, a plurality of pieces of coating cotton are arranged in the maintenance sleeve, one side of the inner wall of the cleaning sleeve is fixedly connected with a cleaning brush, and the other side of the inner wall of the cleaning sleeve is fixedly connected with a sponge strip. According to the utility model, the rotor can be prevented from being o