Sweeping device for sweeper head

The utility model relates to the technical field of sweeping vehicles, in particular to a sweeping vehicle head sweeping brush device which comprises a machine frame, a plurality of sweeping brush assemblies, a plurality of lifting mechanisms used for controlling the machine frame to ascend and descend and a plurality of folding and unfolding mechanisms used for controlling the sweeping brush assemblies to be unfolded or folded. The folding and unfolding mechanism is arranged on the machine frame, and the sweeping brush assembly is installed on the folding and unfolding mechanism. The lifting mechanism is arranged on the rack, and the rack is connected with the sweeper through the lifting mechanism; by arranging the lifting mechanism and the folding and unfolding mechanism, the terrain clearance of the sweeping brush assembly can be adjusted, folding and unfolding of the sweeping brush assembly can be controlled, the sweeping brush assembly can conduct sweeping according to various road conditions, and interf