Stacker brake.

The structure of the laminated beam gate is relatively simple. It is composed of a number of separate RAMS. In 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.