调车机上峰作业信号自动关闭的原因分析及解决方法位于湘黔、枝柳铁路线交会的怀化枢纽——怀化南编组站，在１９８８—１９９０年期间经常出现机车上峰作业时调车信号自动关闭的现象，１９９０年发生的次数日趋增加，长时间找不到原因。在现场检查设备中发现当机车上峰作... Shunting machine on the peak operating signal automatically shut down the cause of the analysis and solution Xiangzhong, willow railway line intersection of the Huaihua hub Huaihua South Marshalling Station, during the 1988-1990 period often appear on the peak locomotive shunting signal automatically The phenomenon of closure, the number of occurrences in 1990 increasing, for a long time can not find the reason. In the field inspection equipment found when the locomotive peak ...