高速可动心轨道岔伤损分析和养护维修  

Case Analysis and Maintenance&Repair of High-speed Movable Switch

作　　者：曲玉福 QU Yufu

机构地区：[1]武汉铁路职业技术学院,湖北武汉430205

出　　处：《铁道技术监督》2021年第3期51-55,共5页Railway Quality Control

摘　　要：辙叉是道岔的重要组成部分,具有结构复杂、受荷载作用大、病害多发等特点。辙叉也是工务和电务管理的交叉点,维护难度大。介绍CN系列、客专系列高速道岔辙叉部件伤损案例,分析其产生原因。在对高铁道岔病害多方位思考的基础上,从定期巡查线路、加强探伤检测、整体更换辙叉、盘活配件和制定应急预案等方面,提出高铁道岔养护维修措施。Frog,an important part of the switch,which has the features of complex structure,heavy load and defects emerging.Frog is the cross connection of public works and electrical management as well.This paper introduces the damage cases of high-speed railway switch and frog parts on CN series and passenger dedicated line series,analyzes the causes.On the basis of deep thinking on the diseases of high-speed railway switch,it raises the maintenance&repair measures of those from the aspects of regular inspection on lines,strengthening flaw detection,overall replacement of frogs,activating accessories and formulating emergency plans.

关 键 词：高速道岔 可动心轨道岔 辙叉 伤损 道岔养护 道岔维修 

分 类 号：U213.6[交通运输工程—道路与铁道工程] U216.425