Belt conveyor return belt's cleaning device

The utility model discloses a belt conveyor return belt's cleaning device is high for overcoming present sweeper purchasing price of cleaning return belt, cleans with doctor -bar wearing and tearing back manual regulation holding time longly, adjust the untimely polluted environment and the wearing and tearing of aggravation belt of still can spilling with louing, clear up spill lou intensity of labour greatly shortcoming with high costs provide. It has two stocks to support in conveyor framework's two outsides, and the doctor -bar both ends are fixed and are being cleaned two stock one end alittle, and stock other end relatively fixed has the pole setting of upwards passing the stock body of rod, pole setting upper portion some compression spring of cover, and is twisting on the pole setting below the nut on the screw rod on its upper end top. Push down the stock because the doctor -bar to the cleaning of belt, the pretightning force through compression spring, make the automatic clearance of eliminating wit