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yi zhong dao cha wai suo ling jian pi lao shou ming de fen xi fang fa
Author(s): 
Pages: 51-55
Year: Issue:  5
Journal: Railway Signalling & Communication Engineering

Keyword:  道岔外锁零件疲劳寿命分析方法;
Abstract: 探讨了一种道岔外锁零件疲劳寿命的分析方法.利用理论分析、手册资料和现场测试三者的优势,建立道岔零件疲劳寿命的分析方法.从薄弱位置、S-N模型、应力换算以及环境因素等方面,实例分析了道岔心轨第二牵引点锁钩的疲劳寿命.结果表明,利用理论计算、手册资料和现场测试的方法,评价道岔零件的疲劳寿命是切实可行的.结合分析结果,讨论了零件疲劳寿命分析的可靠性以及改善的方法.
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