轨道交通车辆制动用中继阀的可靠性  

Reliability of Relay Valve of Brake System for Rail Vehicles

作　　者：吴萌岭[1] 王孝延[1] 田春[1] 

机构地区：[1]同济大学铁道与城市轨道交通研究院,上海200331

出　　处：《西南交通大学学报》2009年第3期365-369,共5页Journal of Southwest Jiaotong University

基　　金：铁道部动车组引进技术消化吸收再创新重点资助项目(20070923)

摘　　要：通过耐久性试验评估轨道交通车辆制动系统用中继阀的可靠性.结果表明,中继阀的故障服从形状参数m=3.43的威布尔分布,故障率随试验循环次数增加而递增.主要故障模式是V型圈和复位弹簧的疲劳破坏.The reliability of relay valves of brake system for rail vehicles was investigated by endurance test. The results show that the failures of the relay valve can be described as a Weibull distribution with a shape parameter of 3.43, and the failure rate increases with an increase in test cycles, and fatigue failure of the V-ring and returning spring is the major failure for the relay valve.

关 键 词：铁道车辆 制动系统 中继阀 可靠性 耐久性试验 

分 类 号：U270.35[机械工程—车辆工程]