Self-cleaning smooth wheel road roller with sweeping function and method

The invention discloses a self-cleaning smooth wheel road roller with a sweeping function and a method in the technical field of road rolling machines. The self-cleaning smooth wheel road roller comprises a machine body, driving wheels are arranged on the front side and the rear side of the machine body correspondingly, a cab is arranged at the top of the machine body, a supporting frame is connected to the left side of the machine body, a pressing wheel is rotatably connected to the supporting frame, and a sweeping assembly is arranged at the left end of the supporting frame. According to theself-cleaning smooth wheel road roller with the sweeping function and the method, a lifting motor drives a lead screw to rotate, so that a movable block moves downwards, then a brush makes contact with the road surface, and then the road surface can be swept through rotation of the brush; when impurities are encountered, the brush brings the impurities into a collecting hopper on the right side to be collected, and then