一种自锁油缸的低温故障诊断与分析  

The Diagnose and Analysisfor the Trouble of the Locking Cylinder in Low Temperature

作　　者：雷鹏 李立国 郭丽 LEI Peng;LI Li-guo;GUO Li(Inner Mongolia North Heavy Industries Group Co.,Ltd.,Baotou014033,China)

机构地区：[1]内蒙古北方重工业集团有限公司,内蒙古包头014033

出　　处：《液压气动与密封》2018年第8期60-62,共3页Hydraulics Pneumatics & Seals

摘　　要：某车用液压系统在-40℃低温试验中出现了自锁油缸的活塞杆不能伸出的故障现象。该文还原了现场故障诊断及故障排除的过程,并通过理论分析和计算对故障诊断结果进行了证实,最后给出了避免出现同类问题的建议。When the hydraulic pressure system of a truck is working in the experiment-40℃,the piston rod of the locking cylinder didnt run out.The treatise describe the diagnosing and solving process of the solution when it appeared.It prove the diagnosis by analyzing and computing,and give proposals of avoiding the trouble.

关 键 词：自锁油缸 低温 膨胀 锁死 

分 类 号：TH137[机械工程—机械制造及自动化]