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扇形闸门是头部输水系统的一种常用门型。扇形门是两页在水平面内绕垂直轴旋转的带有圆弧形面板的三角门。两门页在船闸的纵轴线上接触,阻挡水流,每扇门页转入各自闸室内的大门库里,来保证船闸的进出通道。 通常,面板的凸面迎向高水位,这样全部压力的合力通过门页的旋转中心,且使闸门的构件受压。反向水头时,由于水压力作用
Fan gate is a common type of head water delivery system. A fan door is a two-door triangular door with a circular arc panel that is rotated about a vertical axis within two horizontal planes. Two pages in contact with the longitudinal axis of the ship lock, blocking the flow of each door into the respective gatehouse within the gatehouse, to ensure the lock access. Normally, the convex surface of the panel is facing the high water level so that the resultant force of all the pressure passes through the center of rotation of the door leaf and the components of the gate are pressed. Reverse head, due to water pressure effect