机油预供油泵电机烧毁故障分析改进及验证措施  

Analysis and Improvement of Motor Burn Failure of Oil Pre-supply Pump and Verification Measures

作　　者：白玲 王凝露 卜位强 魏涛 杨文 张志权 Bai Ling;Wang Ning-lu;Bu Wei-qiang;Wei Tao;Yang Wen;Zhang Zhi-quan(State Key Laboratory of Internal Combustion Engine Reliability,Weifang 261061,China;Weichai Power Co.,Ltd.,Weifang 261061,China)

机构地区：[1]内燃机与动力系统全国重点实验室,山东潍坊261061 [2]潍柴动力股份有限公司,山东潍坊261061

出　　处：《内燃机与配件》2024年第19期80-82,共3页Internal Combustion Engine & Parts

摘　　要：本文通过机油预供油泵电机烧毁故障,分析电机结构及油泵结构,从提高电机效率以及减小泵后压力两个维度对油泵实施相应设计改进方案。针对改进后油泵进行了零部件性能试验验证,以及匹配发动机整机功能验证,从电机电流变化趋势,和预供油时间试验结果评估,说明改进效果良好,同时固化针对预供油泵的验证措施。In this paper,the motor burn failure of oil pre-supply pump was analyzed,improve the motor efficiency and reduce the pressure after the pump.The performance test of parts and the function verification of the whole machine were carried out for the improved oil pump.The changing trend of the motor current and the evaluation of the test results of the pre-supply time showed that the improvement effect was well and the verification measures for the pre-supply pump were solidified.

关 键 词：大功率发动机 机油预供油泵 故障 验证措施 

分 类 号：TK428[动力工程及工程热物理—动力机械及工程]