根据静态平衡理论分析研究了连杆滚轮式水力自动翻板闸门的静态稳定性。
So the hydraulic automatic tilting gate with connecting lever and rolling wheel can ensure the stability of itself.
水力自控闸门是借助水力和重力作用，在一定的水位条件下，随流量的变化，自动启闭的自动化闸门。
Automatic water sluice gate is under the waterpower and action of gravity, in the given water height condition; and it start and stop automatically as the flux change.
首先对新型的水力自控滚筒闸进行清水水工模型试验，通过实验可以证实，新型的水力自控闸门是可以按设计要求自动启闭的。
Clear water hydraulic model test was done, and the result verifies that the late model automatic water expansion cylinder sluice can start and stop automatically.
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