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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit >Experimental studies of load characteristics of bogie frames for 350 km/h EMUs
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Experimental studies of load characteristics of bogie frames for 350 km/h EMUs

机译：350 km / h动车组转向架构架载荷特性的实验研究

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摘要

In this paper,methods to measure the axle spring load, trailing arm seat lateral force and dynamic stresses of powered and non-powered bogies of a 350 km/h electrical-multi-unit (EMU) are presented. The dynamic amplitude and Hilbert transform of the sample data are used to investigate the characteristics of the forces and the stresses for the EMU running on typical sections including high-speed division, turnout zone, curves, and depot entrance. The load spectrum is then introduced to survey the amplitude level and the number of occurrence of the loads and stresses. Dynamic coefficients of the loads are compared with the recommended values in the Code UIC615-4. The effects of track irregularities and vibrations of gear boxes and motors on the loads and stresses are investigated and the measured loads are classified into six types according to effects of forces on the bogie's movement. The characteristics of the measured loads are useful to establish load conditions for laboratory tests of bogie’s fatigue assessment.
机译：本文提出了一种测量350 km / h电动多单元（EMU）的动力和无动力转向架的车轴弹簧载荷，后叉座椅横向力和动应力的方法。样本数据的动态幅度和希尔伯特变换用于研究在典型区域（包括高速划分，岔道区，曲线和仓库入口）上运行的动车组的力和应力特性。然后引入载荷谱以调查振幅水平以及载荷和应力的出现次数。将负载的动态系数与代码UIC615-4中的建议值进行比较。研究了轨道不平整以及齿轮箱和电动机的振动对载荷和应力的影响，并根据力对转向架运动的影响将测得的载荷分为六种类型。测得的载荷的特性对于建立转向架疲劳评估的实验室测试的载荷条件很有用。

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