A cleaning device for a drum being partially looped around by a conveyor belt having an upper and a lower stringer, the cleaning device being arranged in between the upper and lower stringers and comprises a plurality of strippers disposed for abutting the drum; a hydraulic cylinder mounts said strippers and a piston rod mounts carrying a piston, mounts the hydraulic cylinder which reciprocates on the piston; a plurality of downwardly extending soil shifting plates are mounted on the cylinder and move therewith; a dirt catching trough is pivotally mounted underneath the cylinder and stripping bars extend across an open surface of the trough and being in engagement with the soil pushing plates for cleaning these plates upon pivoting of the trough.