Bearing roller band conveyer

The utility model discloses a bearing roller band conveyer, it includes: a well structure of an essay, landing leg, driving pulley, driving pulley drive arrangement, conveyer belt, ball transmission, upper supporting roller subassembly, return idler subassembly and driven roll, the conveyer belt is walked around in proper order driving pulley the upper supporting roller subassembly driven roll behind the return idler subassembly, head and the tail are sewed up, wherein, the upper supporting roller subassembly includes: have bearing roller bearing explosion -proof equipment's flat idler and passing through of adjacent installation ball transmission adjusts the adjustable trough angle of idler device of conveyer belt cornerite. This conveyer realize both can having carried in bags with the adjustable conversion of bulk material to when carrying bulk material, fold to the centre because of the conveyer belt appears, can not make the material scatter, alleviate staff's burden, be convenient for observe the in service behavior of bearing roller bearing, the convenience is observed, is maintained, is changed to improve the security performance greatly.