Stacker brake.

The structure of the laminated beam gate is relatively simple,it is composed of a number of separate RAMS,in and the ram between the principle of self-weight is squeezed accordance with a certain sequence of the entry slot,the ram together,play a sealing role. Because the sealing is not particularly good, it is not suitable for long-term gate use,and it is mostly used for temporary water retaining facilities or when maintenance gates are used.