冲击床是用在传送带的上装区来代替传统的冲击惰轮。 它的目的是减少冲击和应力所造成的落下的材料的带，避免磨损和撕裂由尖锐材料和防止材料坠落和散射。

Impact bed is used in the load area of conveyor belt to replace the traditional impact idler. It is designed to reduce shock and stress to the belt caused by the falling down materials, avoid abrasion and tear by sharp materials and prevent materials from falling and scattering.