Self-cleaning coal roller of belt conveyor

The utility model discloses a self-cleaning coal roller of a belt conveyor. The utility model relates to a novel bearing pedestal, which comprises a shaft, a conical cylinder with two small-diameter ends and a large-diameter middle part is arranged on the shaft in a penetrating manner; the conical barrel body is welded and fixed with the shaft through a support ring; a spiral rib plate is welded on the conical barrel body; the spiral rib plates are unfolded bilaterally symmetrically from the middle of the conical barrel to the two ends; a circular ring I is welded in the middle of the conicalbarrel body; steel strips are welded to the spiral rib plates in the rotating direction of the spiral rib plates, circular rings II are welded to the two ends of the conical barrel, the inner ends ofthe steel strips on the left and right sides are connected with the circular rings I, the outer ends of the steel strips on the left and right sides are connected with the circular rings II at the corresponding ends respective