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水力自控翻板闸门在水压力作用下之所以能够运转,是由于水压力对支承铰中心的力矩与闸门自重及各种摩擦力对支承铰中心的力矩不平衡而引起的。但是运转情况必须符合预定的水位:即水位上升比正常水位高至一定幅度,闸门应随着水位的升高而逐渐开启;当水位下降至正常水位时,闸门自动关闭(正常水位是闸门关闭时刚平门顶的水位)。
Hydraulic control flap gate in the water pressure under the operation of the reason is due to the hydraulic pressure on the support hinge center of gravity and gravity of the gate and a variety of friction on the hinge moment caused by the imbalance caused. However, the operation must be in accordance with the predetermined water level: the water level rises to a certain extent than the normal water level, the gate should be gradually opened with the rising water level; when the water level drops to the normal water level, the gate closes automatically (the normal water level is when the gate is closed Just level the top of the water level).