摘要
针对机车运用过程中反映出现的BVAC.N99型真空主断路器电磁阀先导筒裂故障,从故障状态入手,重点通过受力分析对安装方案进行优化,介绍了改造前的故障现象和改进后的使用情况。
The article discusses failures of unchanged guide tube of electromagnetic valve of BVAC. N99 vacuum breaker and its using situation after being improved by analyzing the failures and optimizing the installation scheme.
出处
《铁道机车车辆》
2015年第2期94-96,106,共4页
Railway Locomotive & Car
