Smart city pipeline cleaning system and working method thereof

The invention relates to a smart city pipeline cleaning system and a working method thereof. A smart city pipeline cleaning system comprises a cleaning body, at least three walking mechanisms, a cleaning mechanism, an infrared camera and a control system. The walking mechanism comprises a telescopic air cylinder, a plurality of walking wheels and a mounting plate. The cleaning mechanism comprises a cleaning brush, a cleaning motor, a fixing plate, a scraping plate, a rotating air cylinder and a flushing mechanism. The cleaning motor is fixed to the side of the cleaning body. One end of the rotating cylinder is connected with a rotating shaft of the cleaning motor. The fixing plate is connected with piston rods of the rotating cylinders. The scraper is arranged on one side, close to the inner wall of the pipe body, of the fixing plate. The cleaning brush is fixedly connected with the fixing plate and makes contact with the inner wall of the pipe body. By arranging the walking mechanism and the cleaning mechani