一种通过滚筒传动的输送设备，货物承载于滚筒上，由滚筒转动向前运动。主要应用于自动化仓库整卡板货物的输送。通常配合链式输送机使用，利用顶升改变滚筒面高度实现货物十字交叉输送。

A conveying device driven by a roller. The goods are carried on the roller and move forward by the rotation of the roller. Mainly used in the conveying of whole pallet cargo in automated warehouses. Usually used in conjunction with chain conveyors, using jacking to change the height of the roller surface to achieve cross-conveying of goods.