杨海龙，王炳成，辛欣

(潍柴动力股份有限公司 发动机技术研究院，山东 潍坊 261061)

    摘要：对比整机可靠性与几种单独水泵零部件可靠性的试验结果，得出适合水泵零部件可靠性试验循环工况，同时为水泵匹配整机可靠性研究提供数据支持。本文阐述了某型号柴油机整机可靠性试验和水泵可靠性试验结果的对比情况，得出适合水泵零部件可靠性试验的试验方法。

    关键词：柴油机；水泵；可靠性；试验方法；

Abstract：Getting the water pump reliability test cycle by comparing the result of engine reliability test and water pump reliabiliyt test, providing data support for the reliability research of water pump match with diesel engine. The paper introduces the comparison test result of certain model engine and its water pump, and get the suitable component reliability test method.

Key words：Diesel Engine; Water Pump; Reliability; Test Method