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新型相离型曲线尖轨9号道岔的扳动力分析
引用本文:孙大新 曾向荣. 新型相离型曲线尖轨9号道岔的扳动力分析[J]. 都市快轨交通, 2009, 22(2): 68--71
作者姓名:孙大新 曾向荣
作者单位:北京城建设计研究总院,北京,100037;北京城建设计研究总院,北京,100037
摘    要:
采用有限元方法,建立新型相离型曲线尖轨9号道岔的扳动力计算模型,分析摩擦系数、尖轨动程、尖轨与滑床板密贴、道岔轨底坡等取决于安装及维修状态的因素,以及对尖轨扳动力和不足位移的影响.提出在铺设及养护维修过程中应注意的事项.探讨9号道岔取消第2牵引点的可行性,认为在目前的尖轨结构下保持2点牵引较为可靠.

关 键 词:9号道岔  曲线尖轨扳动力  不足位移
修稿时间:2013-12-12

Analysis on Switching Power for New No.9 Turnout with Curved Blades of Negative Secant Type
Sun Daxin,Zeng Xiangrong. Analysis on Switching Power for New No.9 Turnout with Curved Blades of Negative Secant Type[J]. Urban Rapid Rail Transit, 2009, 22(2): 68--71
Authors:Sun Daxin  Zeng Xiangrong
Affiliation:Beijing Urban Engineering Design & Research Institute Co.;Ltd.;Beijing 100037
Abstract:
Finite element model for calculating the switching power of No.9 turnout with elastic flexible curved blades of negative secant type was established to analyse the influences of some factors of installation and maintenance,such as frictional coefficient,throw of switch point,closeness between switch point and stock rail,rail cant and so on.Suggestions on installation and maintenance are put forward.Feasibility of abolishing the second point machine is discussed.It is considered more reliable when the blade ...
Keywords:No.9 turnout  curved blade  switching power  deficient displacement  
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