城市轨道交通接触轨质量指数评价方法研究
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摘要
针对现有的接触轨不平顺检测不能有效地利用接触轨检测数据对接触轨线路质量进行评价分析提出了接触轨质量指数(CRQI)及其评价方法,对接触轨不平顺分区段进行管理。利用接触轨检测车在广州地铁4号线金洲站—黄村站上行区间的检测数据,分别统计其CRQI,以及CRQI中方向不平顺和高低不平顺的频数分布和累计分布,计算方向不平顺和高低不平顺在CRQI中的权重,并分别探讨CRQI,以及CRQI中方向不平顺和高低不平顺管理值。
In view of the irregular detection of the existing contact rail which can not effectively use the contact rail test data to evaluate the quality of the contact rail road,a conductor rail quality index(CRQI)and its evaluation method are presented for the section management of the conductor rail irregularities.By the detection data of uplink interval from Jinzhou Station to Huangcun Station on Guangzhou metro Line 4 by the con-ductor rail inspection van,the CRQI,the frequency and accu-mulation distribution of horizontal and vertical irregularities in CRQI are calculated separately. The weight coefficient of each kind of irregularity in the proportion of CRQI is computed to explore the management value of CRQI and each irregularity in CRQI respectively.
In view of the irregular detection of the existing contact rail which can not effectively use the contact rail test data to evaluate the quality of the contact rail road,a conductor rail quality index(CRQI)and its evaluation method are presented for the section management of the conductor rail irregularities.By the detection data of uplink interval from Jinzhou Station to Huangcun Station on Guangzhou metro Line 4 by the con-ductor rail inspection van,the CRQI,the frequency and accu-mulation distribution of horizontal and vertical irregularities in CRQI are calculated separately. The weight coefficient of each kind of irregularity in the proportion of CRQI is computed to explore the management value of CRQI and each irregularity in CRQI respectively.
引文
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[2] CONSTANT ME,SC B,A.M.C.E.,et al.Conductor_Rail Installation and Maintenance, and Collector Shoe-gear[J]. Pro_ceeding of the IEE_Part IA:Electric Railway Traction,1950,97(1):123.
[3] STEWART E,WESTON P,ROBERTS C. Using bogie_mounted sensors to understand the dynamics of third rail current collec_tion systems[J]. Proceedings of the Institution of Mechanical Engineers,Part F:Journal of Rail and Rapid Transit,2011,225(2):219.
[4] WESTON PF,STEWART E,ROBERTS C,et al. Measuring the Dynamic Interaction between Electric Vehicle Shoegear and the Third Rail[C].∥Railway Engineering_Challenges for Railway Transportation in Information Age. Hong Kong:IET Conference Publication,2008:1.
[5]魏世斌,杨凤春,翁绍德.轨道质量指数的研究和应用[J].中国铁道科学,1996,17(2):23.
[6]许玉德,周宇.既有线轨道质量指数的分布与不平顺权重系数统计分析[J].中国铁道科学,2006,27(4):71.
[7]周正,赵国堂.轨道质量指数计算问题的探讨[J].中国铁道科学,2003,24(3):65.
[8]广州地铁集团有限公司.城市轨道交通接触轨系统技术规范(征求意见稿)[S].广州:广州地铁集团有限公司,2011.