机车快速排风阀意外紧急原因分析

Cause analysis of accidental emergency braking failures in locomotive rapid exhaust valve

针对国内既有机车制动控制系统用的一种快速排风阀,从结构组成、气路原理两个方面介绍了其工作原理,通过故障案例介绍了其故障影响、故障原因及应急处理方法等,从而为机车运用单位提供相关参考。

Aiming at a rapid exhaust valve used in the brake control system of an existing domestic locomotive,its working principle is introduced from two aspects of structural composition and air circuit principle,and its failure impact, failure reason and emergency treatment methods are explained through failure cases,which provide the relevant reference for the locomotive operators.