本文介绍了秦岭电厂四号机组200MW汽轮机组运行时发生转子与油挡摩碰的谱特征,并探讨了机组摩碰的原因,以有助于其它汽轮发电机组摩碰的监测和诊断. This paper introduces the spectrum characteristics of the rotor and oil block friction encountered during the operation of a 200 MW steam turbine unit in Unit 4 of Qinling Power Plant and discusses the reasons for the unit collision and helps to monitor and diagnose the friction between other turbine units.