Excavation-free inner wall cleaning device for municipal water supply and drainage pipeline

The utility model discloses an excavation-free inner wall cleaning device for a municipal water supply and drainage pipeline. The device comprises a fixed base and a movable body, the fixed machine base is fixedly installed at the upper end of the movable machine body. A data connecting line is arranged at the rear end of the mobile machine body; a driving motor is arranged in the middle of the front end of the fixed machine base; when the device is used, the device is used, the driving rotating wheel is connected with the lower side electric rod through the upper side electric rod and the connecting rotating rod; therefore, good support and use can be realized; the four driving rotating wheels are fixed in four directions of the outer side of the moving machine body at equal angles; therefore, the movable use in the pipeline is convenient; the universal ends at the outer ends of the lower side electric rod and the upper side electric rod are extended at one end and shortened at the other end, so that the adj