地铁接触轨膨胀接头烧伤故障成因机理分析  

Cause of Burn Failure of Metro Contact Rail Expansion Joint and Mechanism

作　　者：陈健铭 CHEN Jianming(Guangzhou Metro Group Co.,Ltd,Guangdong 510330,China)

机构地区：[1]广州地铁集团有限公司,广东510330

出　　处：《集成电路应用》2020年第8期148-149,共2页Application of IC

摘　　要：基于运行中的膨胀接头烧伤的发生,通过采取变量测试,结合地铁接触轨日常运行条件,分析推论可能膨胀接头烧伤的因素,得出形成烧伤具体原因。为接触轨同类烧伤处理提供了一个解决方案。Based on the occurrence of expansion joint burn in operation,through variable test,combined with the daily operation conditions of Metro contact rail,this paper analyzes and infers the possible factors of expansion joint burn,and obtains the specific causes of burn.It provides a solution for similar burn treatment of contact rail.

关 键 词：地铁工程 膨胀接头 烧伤 接触电阻 

分 类 号：U225.4[交通运输工程—道路与铁道工程]