立式水轮发电机的制动器(俗称风闸),在使用过程中,经常发生当停机加闸后,由于胶皮碗受油浸而膨胀,以致撤销风压后,制动器活塞犯卡,落不下来,须用撬棍进行撬下。另一种就是当用高压油顶转子时,由于胶皮碗不严而造成制动器活塞漏油,甚至顶不起来。所以原制动器的结构有必要加以改进。一九七五年我厂官厅电站在哈尔滨 Vertical hydro-generator brakes (commonly known as wind brake), in the course of the use, often occurs when the parking brake, due to plastic bowl inflated and inflated, so that after the withdrawal of wind pressure, the brake piston card, fall down , Pry bar must be pry. The other is that when using high-pressure oil top rotor, the rubber piston bowl due to lax and brake oil spills, or even top up. Therefore, the structure of the original brake needs to be improved. In 1975, I plant Guanting station in Harbin