P type alloy rubber cleaning applies to cleaning the work surface with the return material adhesion below two road sweepers. Mounted conveyor roller smooth working surface near the head office, with H-type matching to do the second cleaning. Elastic properties of rubber elastic blocks, can automatically adjust the contact pressure cleaner between the blade and the conveyor belt, rubber elasticity buffer blocks to ensure that the operation of the belt scraper and forces within the appropriate range, so clean and clear material without damaging the belt. The product uses a special high wear-resistant carbide blade, plus a better overall organization performance and extend the life of the product; compact structure, reasonable preparation, allowing for light, beautiful, easy to operate; parts interchangeability and adjustable, easy installation, replacement service.