The reverse drum is mainly below the belt movement, if the belt conveying direction is left, then the reverse drum is on the right side of the belt conveyor. The main structure of the reverse drum is bearings and steel drums. The driving drum is the driving wheel of the belt conveyor. From the relationship between the two, it is like two wheels of a bicycle, the rear wheel is the driving drum, and the front wheel is the reverse drum. There is no difference in structure between the reversing drum and the driving drum, which are composed of the main shaft drum bearing and the bearing chamber. The driving drum is divided into two types: the main driving drum and the driven drum.