高压油泵挺柱往复运动异响的分析与改善  

Analysis and Improvement of Abnormal Reciprocating Sound of High Pressure Pump Drive

作　　者：柏晓峰 夏承睿 吴勤 蓝宗胜 Bai Xiao-feng;Xia Cheng-rui;Wu Qin;Lan Zong-sheng(GAC MOTOR CO.,LTD,GuangZhou GuangDong,511434,China)

机构地区：[1]广汽乘用车有限公司,广东广州511434

出　　处：《内燃机与配件》2023年第10期77-79,共3页Internal Combustion Engine & Parts

摘　　要：缸内直喷汽油发动机的高压油泵挺柱工作中出现异响,通过对高压油泵、挺柱、凸轮轴等零件分析,发现挺柱与凸轮轴接触部位存在接触点变化及振动,导致挺柱往复运动时出现敲击异响。提出改善挺柱垂直度、控制相关零部件尺寸的工艺控制方法,为读者解决类似故障课题提供借鉴。Abnormal noise occurs during the operation of high pressure punmp drive,through the analysis of high pressure pump,high pressure pump drive,camshaft and other parts,it is found that there are contact point changes sand vibration at the contact part between high pump drive and camshaft.abnormal knocking sound occurs when the high pump drive moves back and forth.The process control methods for improving the verticality of high pressure pump drive and controlling the size of related parts are put forward,provide reference for readers to solve similar fault problems.

关 键 词：缸内直喷 高压油泵挺柱 异响 

分 类 号：V228.14[航空宇航科学与技术—飞行器设计]