分析了金兰水库一级电站水轮发电机组运行时水导推力头与主轴衔接处摆度过大的故障原因分析,提出了处理办法并予以实施,取得良好的效果。 This paper analyzes the cause of the over-swinging between the head and the main shaft of hydro-hydraulic propulsion head during the operation of the hydroelectric generating set of Jinlan Reservoir. The treatment measures are put forward and implemented with good results.