列车提速应加强车钩缓冲装置和轮对检查刘昕李学富（郑州铁路局郑州北车辆段４５００５３郑州）自１９９６年１０月以来，由于京广、陇海等四大干线开行５ｋｔ重载列车，使车钩、缓冲装置和轮对故障明显增加，危及行车安全，直接影响铁路运输正常进行。近期，我们对郑州北... Train speed should strengthen the coupler and wheel check Liu Xin Li Xuefu (Zhengzhou Railway Bureau Zhengzhou North Vehicle Depot 450053 Zhengzhou) Since October 1996, as the Beijing-Guangzhou, Longhai and other four major lines to start 5kt heavy-duty train, the coupler , Buffer devices and wheelsets significantly increased the risk of endangering traffic safety, a direct impact on the normal railway transport. Recently, we Zhengzhou North ...