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介绍了石油钻井泵在线工况监测与故障诊断的难点所在。通过室内台架模拟实验和现场工业性试验对监测系统进行了筛选考核，并对信号分离和故障信息提取做了一系列有效工作。最后介绍了ＺＪＦＹ型钻井泵监测分析仪。
The difficulty of on-line condition monitoring and fault diagnosis of oil drilling pump is introduced. Through the indoor bench simulation and field test, the monitoring system was screened, and a series of effective work was done on signal separation and fault information extraction. Finally introduced the ZJFY type drilling pump monitoring analyzer.