Device for cleaning attachments on outer wall of steel casing

The utility model discloses a cleaning device for attachments on the outer wall of a steel casing. A plurality of connecting brackets are sequentially connected through a motor and a rotating wheel shaft to form an annular structure; a cleaning head is fixed on the rotating wheel shaft; the other motor on each connecting support is connected with a sliding wheel through a connecting shaft, the sliding wheels connected to the connecting supports through the connecting shafts form a movable supporting structure, meanwhile, the side wall of the steel casing is cleaned through a cleaning head on a rotating wheel shaft arranged in an annular shape, the structure is simple, the cleaning range can be enlarged, the cleaning efficiency is improved, and the practicability is high. The device is suitable for the steel casing with any diameter and particularly convenient for the large-diameter steel casing, and the application range is not limited to the specific object of the steel casing; the device can be detached int