接触网整体吊弦疲劳问题探究  

Exploring the Fatigue Problem of the Whole Suspension String of the Overhead Contact System

作　　者：巨子琪 尹启 Ju Ziqi;Yin Qi(Xi'an Traffic Engineering Institute,Xi'an,China;Linfen Comprehensive Section of China Railway Taiyuan Bureau Group,Linfen,China)

机构地区：[1]西安交通工程学院,陕西西安 [2]中国铁路太原局集团公司临汾综合段,山西临汾

出　　处：《科学技术创新》2024年第2期13-16,共4页Scientific and Technological Innovation

基　　金：陕西省教育厅科学研究计划项目资助(No:22JK0450);项目名称:基于微动理论的整体吊弦损伤机理及优化研究。

摘　　要：接触网零部件的失效会严重影响接触网系统的运行安全,接触网系统的服役可靠性是列车和线路安全运营的重要基础。为促进高速接触网装备技术的发展,在结合大量现场调研结果的基础上,介绍了国内外学者对微动磨损、微动疲劳、应力腐蚀等相关失效机理的研究现状,系统分析并总结了高速铁路接触网系统吊弦在服役过程中出现的疲劳问题及其产生的原因。为接触网吊弦的研究奠定了一定理论基础。The failure of catenary components can seriously affect the operational safety of the catenary system,and the service reliability of the catenary system is an important foundation for the safe operation of trains and lines.In order to promote the development of high-speed catenary equipment technology,based on a large number of on-site research results,this paper introduces the current research status of domestic and foreign scholars on the failure mechanisms related to fretting wear,fretting fatigue,stress corrosion,etc.,systematically analyzes and summarizes various problems and their causes that occur during the service process of high-speed railway catenary system suspension strings.This has laid a certain theoretical foundation for the research of catenary suspension strings.

关 键 词：接触网 吊弦 疲劳 

分 类 号：U22[交通运输工程—道路与铁道工程]