Tunnel wall movable dust remover for road sweeper

The utility model discloses and provides a tunnel wall mobile dust remover for a road sweeper, which comprises a sweeper main body, a plurality of groups of annular supports are fixedly mounted on the outer surface of the top end of the sweeper main body, a plurality of groups of circular through grooves are formed in the outer surfaces of the annular supports, and electric push rods are movably mounted in the circular through grooves. By driving the electric push rod, the multiple sets of cleaning brushes can stretch out and draw back up and down, so that the cleaning brushes can make contact with the tunnel wall faces of different heights, and the cleaning brushes can be used for cleaning the tunnel wall faces of different heights. Therefore, it is ensured that the cleaning brush can cover the whole wall face including the high position and the low position, the cleaning efficiency and quality can be improved, the cleaning brush can rotate by driving the electric motor, and the tunnel wall face, especially