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作 者:郭大帅[1] GUO Dashuai(China Railway Siyuan Survey and Design Group Co.Ltd.,Wuhan Hubei 430063,China)
机构地区:[1]中铁第四勘察设计院集团有限公司,湖北武汉430063
出 处:《铁道建筑技术》2023年第7期38-42,共5页Railway Construction Technology
基 金:中铁第四勘察设计院集团有限公司科研项目(2020K065)。
摘 要:目前我国高速铁路信号系统更新改造缺乏系统的指导方案。通过调查、观察、实证研究,提出既有信号房屋内无倒替层、调剂条件时新设房屋;为更换信号电缆,在站台范围新设槽道,在车站咽喉区、区间利旧槽道,当既有过轨不满足需要时新设过轨;为提高设备调试、试验效率,设过渡电缆、校验线;为避免轨旁设备超限,路基地段室外既有轨道箱盒下沉、上部设新箱盒;为减少过渡,中心设备先按兼容新旧联锁、列控更换,之后沿线信号设备逐站更换;信号系统软件内容、硬件型号不变时动态验收抽测;经济评价采用有无对比法。At present,there is a lack of systematic guidance in the renewal and transformation of China's high-speed railway signal system.Through investigation,observation and empirical study,it is proposed that the existing signal house should be newly installed when there is no inverted floor and regulating condition.In order to replace the signal cable,new troughs are set up in the platform range,and the old troughs are used in the station throat area and section.New troughs are set up when the existing rail tube fails to meet the needs.In order to improve the efficiency of equipment debugging and testing,the transition cable and calibration line are provided.In order to avoid exceeding the limit of trackside equipment,the existing track box outside the subgrade section sinks and a new box is installed on the upper part.In order to reduce the transition,the central equipment should be replaced first according to the compatibility of old and new CBI and TCC,then the signal equipment along the line should be replaced station by station.Dynamic acceptance sampling test is conducted when the software content and hardware model of signal system remain unchanged;the calculation of economic indicators adopts the“with and without methods”.
分 类 号:U284[交通运输工程—交通信息工程及控制]
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