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本文在试验研究的基础上介绍了柴油机的人工“拉缸”故障,以及故障监测的主要方法。特别是利用柴油机滑油油样的光谱和铁谱联合诊断对“拉缸”故障进行的监测工作。可以看出:柴油机发生“拉缸”故障时,光谱分析铁含量及铁谱分析磨损严重度指数I_s值,都有明显的增长趋势。若通过故障监测多种手段的综合分析,可以对故障信息作出先期预报,从而防止严重事故的发生。文章的后一部分介绍了柴油机初期“拉缸”后,可以不拆卸柴油机通过合理的再磨合工况,利用可控的粘着磨损,获得新的匹配光浩度,达到自行修复的目的。
Based on the experimental research, this paper introduces the artificial “pull cylinder” fault of diesel engine and the main methods of fault monitoring. In particular, the use of diesel oil samples of oil spectroscopy and iron spectrum joint diagnosis of “pull cylinder” fault monitoring. It can be seen: Diesel engine “pull cylinder” failure, the spectral analysis of iron content and iron analysis of wear severity index I_s value, there is a clear trend of growth. If through a comprehensive analysis of a variety of means of fault monitoring, fault information can be made in advance forecast, so as to prevent the occurrence of serious accidents. After the introduction of the first part of the article, the diesel cylinder can be automatically repaired by using the controllable adhesive wear without the disassembly of the diesel engine.