基于结构强度的铁道货车垂向载荷的探讨  

Discussion on Vertical Load of Railway Freight Cars Based on Structural Strength

作　　者：李培行 李娜 宋晓磊 LI Peixing;LI Na;SONG Xiaolei(CRRC Qingdao Sifang Rolling Stock Research Institute Co.,Ltd.,Qingdao 266031,China)

机构地区：[1]中车青岛四方车辆研究所有限公司,山东青岛266031

出　　处：《铁道车辆》2025年第2期149-154,共6页Rolling Stock

摘　　要：文章对车辆垂向载荷的相关内容进行了探讨。首先对垂向静载荷、垂向动载荷进行了分析,然后根据车辆结构部位及结构特点,按构架式转向架、三大件式转向架、车体展开了论述,针对主要结构部件构架、摇枕、侧架、车体等,梳理了相关内容,介绍了其适用范围、载荷、方法等,并比较分析了相关标准体系的载荷确定及评定方法等内容,为设计和试验鉴定中更好地理解和运用垂向载荷等提供支撑,相关方法亦可以推广运用于其他载荷。This paper discusses the pertinent aspects of vehicle vertical load.Firstly,the vertical static load and vertical dynamic load are analyzed.Then,discussion is made according to the structural parts and characteristics of the vehicle,and in terms of frame bogie,three-part bogie and car body.Related contents are sorted by main structural components,such as frame,bolster,side frame and car body,and their application scope,load and methods are introduced.The load determination and evaluation methods of related standard systems are compared and analyzed to help better understand and use vertical loads in design and testing.The methodology can be extended to other loads as well.

关 键 词：垂向载荷 静态载荷 静强度 疲劳 动态载荷 动荷系数 

分 类 号：U270.1[机械工程—车辆工程]