Self-propelled roller machine

The utility model relates to a self-propelled roller machine, and belongs to agricultural machinery. The self-propelled roller machine is provided with a gasoline engine, a triangular belt, a gear box, a gear shift lever, a rack, a roller frame, a rear roller, a chain, a bearing seat, a centrifugal clutch, a main shaft, a left roller, a gear box belt pulley, a throttle switch, a small chain wheel, a big chain wheel, a main shaft driving pin, a right roller, a roller driving pin and a throttle cable, wherein the gasoline engine is started, the throttle switch is pulled out by using the thumb of a right hand to improve the rotation speed of the gasoline engine, the centrifugal clutch is combined, a shell of the centrifugal clutch is driven to rotate, the gear box belt pulley on the gear box is driven to rotate through the triangular belt, the gear shift lever is pushed forwards to engage a first gear, the small chain wheel on the gear box rotates, the big chain wheel and the main shaft are driven to rotate through the chain, the roller driving pin is pulled by the main shaft driving pin to rotate the left roller and the right roller forwards, the rear roller is driven to move forwards simultaneously, the three rollers walk in three different furrows respectively, and then a compacting process of a sowing plot is finished.