Transportation rack

The utility model discloses a transportation rack which comprises at least two rack layers, and the at least two rack layers are stacked in the height direction of the transportation rack. The material frame layer comprises a frame and a stand column assembly. The frame is used for placing materials; the stand column assembly is rotatably arranged on the frame in the horizontal direction and comprises two supporting columns which are perpendicular to each other and are different in length. The conveying material frame can be switched between a first state that the material frame layers are located at the first position and a second state that the material frame layers are located at the second position, when the conveying material frame is located at the first state, the stand column assemblies between every two adjacent material frame layers are connected in an inserted mode at the first position, and when the conveying material frame is located at the second state, the stand column assemblies between every