Back-loading type self-loading and unloading garbage truck scraper

The utility model discloses a back-loading type self-loading and unloading garbage truck scraper blade, which relates to the technical field of special vehicle manufacturing and comprises a scraper blade body, a plurality of connecting seat plates used for being pivoted with a garbage truck box are arranged at the connecting end of the scraper blade body, the scraper blade body is provided with an arc-shaped bottom plate, two side baffles are oppositely arranged on the arc-shaped bottom plate, and the arc-shaped bottom plate is provided with a baffle plate. A supporting frame and a plurality of reinforcing rib plates are arranged on the outer side face of the arc-shaped bottom plate, the supporting frame is used for installing the connecting seat plate, one end of each reinforcing rib plate is connected with the supporting frame, the other end of each reinforcing rib plate extends to the free end of the arc-shaped bottom plate, and lightening holes are formed in the reinforcing rib plates. The free end of the