Improved road surface dirt cleaning vehicle

The utility model provides an improved road surface dirt cleaning vehicle which comprises a storage box, moving wheels, a filtering separation plate frame structure, a switch discharge door structure,a supporting seat, a pressing cylinder, a pressing plate, a connecting shell, a communicating pipeline, a connecting cylinder, a scraper conveying belt, a conveying plate, a PLC, a driving switch, aprotective shell, a driving motor, a double-row chain wheel, a cleaning cylinder, a first single-row chain wheel and a cleaning brush. The second single-row chain wheel, the chain, the movable seat, the connecting frame, the dustproof protective shell structure, the protective cabinet and the storage battery are arranged; the movable wheels are respectively arranged at the periphery of the lower part of the storage box through bolts; the filtering separation plate frame structure is mounted on the lower side in the storage box; the storage box with the opening and closing discharge door structure is mounted on the righ