Abstract: The paper describes the working and automatic correction principle of the double cylinder hydraulic hoist for the radial gate of Jinping Ⅱ hydropower station, and focuses on the debugging method and practical operation effect of the gate body adapting to door slot, which would enhance the reliability and security of the gate.

Key words: radial gate, electrical correction, proportional flow control valve

摘要： 阐述了锦屏二级闸坝弧形闸门双缸液压启闭机工作原理以及自动纠偏控制原理，着重介绍了闸门本体适应门槽的调试方法及实际运行效果，提高了闸门运行的可靠性和安全性。

关键词: 弧形闸门, 电气纠偏, 比例调速阀