简要说明大春河梯级电站地理环境,因雨季暴雨,容易造成水电站的厂房进水,造成严重的安全问题。通过对厂区周边环境及厂房大门的活动方式的分析,查找厂房大门抵御洪水的影响因素,考虑厂房工作人员及设备实施的安全问题,介绍厂房防洪方法是在厂房大门安装一道便携活动式的防洪门,通过防洪门底部的滑轮、手轮以及人工操作这3个过程中的控制措施,使厂房防洪门能在短时间内关闭,达到防洪的设计要求,同时也为同类型的小水电站提供参考与借鉴作用。 A brief description of Dachunhe cascade hydropower station geographical environment, due to heavy rains in the rainy season, easily lead to plant water plant, causing serious safety problems. Through the analysis of the surrounding environment of the factory and the way of the activity of the factory gate, find out the influential factors of the gate of the factory against the flood, consider the safety problems of plant staff and equipment implementation, introduce the method of plant flood control to install a portable movable type floodgate , Through the bottom of the flood control door pulley, hand wheel and the manual control of the three control measures in the process, so that plant flood control can be closed within a short period of time, to achieve flood control design requirements, but also for the same type of small hydropower stations to provide reference and Learn from.