Self-suction machine for road surface cleaning

The utility model discloses a self-suction machine for road surface cleaning, which comprises a movable base, a dust suction device is arranged on the base, and the dust suction device comprises a volute, fan blades mounted in the volute and a motor for driving the fan blades to rotate; the volute is further provided with a feeding port and a discharging port. The motor drives the fan blades to rotate, garbage on the road surface is sucked into the volute, the fan blades continuously rotate, the sucked garbage can be discharged out of the volute through the discharging port, the dust suction device is located on the base, and the base is pushed to move on the road surface, so that the road surface cleaning efficiency is greatly improved, and the labor intensity is reduced; and the method plays a positive role in city civilization creation. In addition, the impeller used for crushing the garbage is further arranged on the fan blade, the central axis of the impeller coincides with the central axis of the feedin