Municipal infrastructure cleaning and maintaining device

The utility model discloses a municipal infrastructure cleaning and maintaining device, and relates to the field of municipal infrastructures. The municipal infrastructure cleaning and maintaining device comprises a supporting rod, a rotating block is rotationally connected to the bottom end of the supporting rod, a connecting block is rotationally connected to the lower surface of the rotating block, a cleaning mechanism is arranged in the connecting block, and a water tank is arranged at the top end of the supporting rod and used for containing cleaning liquid; and the cleaning mechanism comprises a moving block and a cleaning column, the moving block is inserted into the connecting block, the cleaning column is rotationally connected to the moving block, and the cleaning column plays a role in cleaning facilities. According to the municipal infrastructure cleaning and maintaining device, foundation arrangement at a high position can be conveniently cleaned, personnel do not need to climb high, and infrastr