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本文指出水泵机械密封的特点及国产机车水泵的密封结构和存在的问题,对5EX和机械密封新结构进行了对比分析及装车运用试验,认为新结构密封装置性能良好、寿命长。
This paper points out the characteristics of mechanical seal of pump and the sealing structure and existing problems of domestic locomotive water pump. The new structure of 5EX and mechanical seal is analyzed and compared with that of loading test. The new structure of seal is considered as good performance and long service life.