明槽式水轮机橡胶导轴承检修措施

Maintenance Measures for Rubber Guide Bearing of Open Channel Turbine

ZD760-LMY-120型水轮机由于橡胶导轴承故障,致使转轮叶片与转轮室碰擦,该轴承故障检修频繁或运行中发现不及时,将会给机组运行带来不安全因素。通过对橡胶轴承结构的改进,较好地解决轴瓦间隙需要频繁调整的问题,为保障机组安全运行提供有效的改进方案。

The runner blade of ZD760-LMY-120 turbine runs against the runner chamber due to the failure of rubber guide bearing.Frequent overhaul or untimely discovery of the bearing fault will bring unsafe factors to the operation of the unit.Through improving the structure of rubber bearing,the problem that frequent adjustment of bearing shell clearance is better solved and an effective improvement scheme is provided to guarantee the safe operation of the unit.