Cleaning device for floating pollutants in channel

The utility model provides a channel floating pollutant cleaning device, relates to the technical field of channel cleaning, and aims to solve the problems that when an existing channel floating pollutant cleaning device is used, the use size of the channel floating pollutant cleaning device is inconvenient to adjust according to the size of a channel, and then cleaning is inconvenient. Comprising a body, auxiliary structures and pulleys. The main body is of a rectangular structure; the auxiliary structure is arranged in the main body; and the pulley is arranged in the rotating groove. When a handle is rotated, the handle can drive a gear to rotate, the gear can drive an extending plate to move through clamping teeth, the extending plate can drive a sliding block to move in a sliding groove, meanwhile, an auxiliary part is driven to move, the auxiliary part can expand outwards, a pulley is attached to the inner wall of a channel, and floating pollutants can move through movement of water flow; and the floatin