beam transom crossgirder girde cross beam axle beam pivot beam couple beam Transverse beam body Load-bearing crossbeam horizontal beam Reinforce the crossbeam frame beam housing separator mill separator Idler crossbeam Drum crossbeam Conveyor beam roller group idlers Idler assembly set of rolls Idler set supporting roller group Belt idler set Hanging roller group garland idlers Self correcting deviation type lower roller Self-correcting lower idler roller In-line idlers Linear idler set training idlers Self-aligning idler set forward titled idlers Forward-inclined idler set offset idler set Offset type idler set Upper idler set carrier flat idler return belt idler Lower idler roller assembly return flat idler Conveyor idler set Idler unit roller pulley carrier roller cradle roll touch roll delivery roll transfer roller conveying roller conveyor roller delivery cylinder conveyor idler Slag discharge drum Reinforced idler roller head roll live roll drive pulley Active drum bend pulley Driven roller cross roller conveyor Conveyor pulley Belt conveyor roller Belt roller belt tensioning roller tension pulley