Cleaning structure and underwater robot with same

The utility model relates to the technical field of underwater robots, in particular to a cleaning structure which comprises an annular plate, a circular plate, a motor, a gear ring, a rotating sleeve and a brush plate. The circular plate is mounted on the bottom surface of the annular plate; the motor is mounted on the circular plate; an output shaft of the motor is connected with the gear; the brush plate is mounted on the bottom surface of the gear ring; the gear ring is meshed with the gear; the bottom face of the rotating sleeve is connected with the upper end face of the brush plate, and the upper end of the rotating sleeve is rotationally arranged on the bottom face of the circular plate. The utility model further provides the underwater robot with the cleaning structure. The motor drives the brush plate to rotate, so that the brush plate cleans the water bottom, and meanwhile, the cleaning brush bristles are expanded to clean corners which cannot be cleaned, so that the cleaning is more thorough; and