重力式貨架為橫梁式貨架密集排列組合后在橫梁上設置有一定坡度的輥道，托盤單元貨物從輥道高端進入，利用自身的重力下滑至輥道的低端。當出庫端的第一個托盤貨物取走后，后面的托盤單元貨物在重力的作用下向出庫端補位。為了防止托盤單元貨物流速過快，在輥道上每隔一段距離設有阻尼裝置，長距離的輥道兩側設有托盤導向防跑偏裝置。出庫端設有擋板和取貨分隔機構，每一列距上可布置兩個貨位。重力式貨架適合存放同類型，批量大，儲存時間長的貨物。重力式貨架對托盤質量要求高，且單元托盤貨物重量之間偏差不能過大，單元貨物重量宜控制在1500kg之內。
Gravity racking is storage system with densely arranged pallet racking and a gradient roller table on the beam, in which goods in pallet enter the system from the higher end of the roller table and then slide to the lower end by virtue of gravity. After the first pallet at the output end is taken out, the subsequent pallets move to the output end by gravity. To prevent too high flow of the goods, damping devices are set on the roller table at certain interval. In the case of long roller table, pallet guiding devices are set on the two sides of the table. There are baffle plates and separating mechanism at the output end, and two goods locations can be arranged in each row pitch. Gravity racking is suitable for storage of the same type of goods with high quantity and long storage duration.Gravity racking has high requirements on pallet quality, and the weight difference between individual pallets should not be too great. It is recommended to control the weight of single pallet within 1,500kg.