Hydraulic emergency opening system and method for dam flood discharge single-cylinder hydraulic gate: Fid-Bau Portal

Hydraulic emergency opening system and method for dam flood discharge single-cylinder hydraulic gate

ZHAO BO / LIU BIN / LAI JIANLING / ZHOU XIANGDONG / ZENG SHUAI

The invention provides a hydraulic emergency gate opening system and method for a dam flood discharge single-cylinder hydraulic gate. The hydraulic emergency gate opening system comprises a high-position water source module used for high-position water taking and providing high-pressure water power. The tail end of the high-position water source module is connected with a hydraulic driving module for transmitting power; the power output end of the hydraulic driving module is connected with an oil pressure driving module for providing hydraulic power through a transmission connecting rod; and the oil pressure driving module is connected with the single-cylinder hydraulic gate. According to the system, a high-position water source serves as a power source to enter a rodless cavity of a hydraulic driving hydraulic cylinder to drive a transmission connecting rod to drive an oil pressure driving hydraulic cylinder to operate towards the rodless cavity, and the rodless cavity of the oil pressure driving hydraulic cylinder pushes turbine oil to form pressure oil to enter a rod cavity of a single-cylinder hydraulic gate hydraulic cylinder to drive a gate to perform gate opening operation; the system can build pressure oil without depending on a power supply and a pressure oil pump, and the reliability of emergency door opening is improved.

本发明提供了一种大坝泄洪单缸液压闸门水力应急启门系统及方法，包括用于高位取水并提供高压水动力的高位水源模块；所述高位水源模块的末端与用于传递动力的水力驱动模块相连；所述水力驱动模块的动力输出端通过传动连杆与用于提供液压动力的油压驱动模块相连；所述油压驱动模块与单缸液压闸门相连。此系统借助高位水源作为动力源进入水力驱动液压缸无杆腔驱动传动连杆带动油压驱动液压缸朝无杆腔运行，油压驱动液压缸无杆腔推动透平油形成压力油进入单缸液压闸门液压缸有杆腔带动闸门进行启门运行，此系统不依赖电源和压力油泵即可建立压力油，提高应急启门的可靠性。

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