轨道车辆车钩垂向最大摆角计算方法

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振动与冲击 ›› 2022, Vol. 41 ›› Issue (15) : 153-160.

论文

轨道车辆车钩垂向最大摆角计算方法

杨晨1，池茂儒1，吴兴文2，蔡吴斌1，刘开成1

作者信息 +

Calculation method for maximum swing angle in vertical direction of rail vehicle coupler

YANG Chen1, CHI Maoru1, WU Xingwen2, CAI Wubin1, LIU Kaicheng1

Author information +

文章历史 +

摘要

针对传统的车钩最大摆角计算方法的不足，提出了基于含故障的车辆动力学模型的车钩垂向最大摆角计算方法。依据该方法，对某型地铁连挂车辆开展了悬挂故障下的车钩垂向最大摆角分析，研究了关键参数对车钩最大摆角的影响规律。结果表明，新方法相比传统计算法可以充分考虑车体柔性、故障冲击下各悬挂变形等因素，在单个钢簧断裂和单个空簧失气工况下，新方法的最大摆角计算结果相比理论计算法分别偏大1.2%和10.2%。此外，钢簧断裂的下降量每增加5mm，车钩摆角增大约0.086°，空簧失气的下降量每增加5mm，车钩摆角增大约0.173°；车体垂向变形每增加1 mm，车钩摆角均增大约0.05°。
关键词：车钩垂向最大摆角；轨道车辆；动力学；悬挂故障

Abstract

In view of the shortcomings of the traditional calculation method of vertical maximum swing angle, a new method based on the vehicle dynamics model with faults was proposed. And the maximum vertical swing angle of coupler under suspension failure of a metro coupled vehicle was analyzed, and the influences of key parameters on the maximum vertical swing angle of coupler were studied. The results show that compared with the traditional method, the new method can fully consider the factors such as the carbody flexibility and the suspension deformation under fault impact, and the maximum swing angle calculated by new method are 1.2% and 10.2% larger respectively than pure theoretical calculation results under the conditions of single steel spring fracture and single air spring losing gas. In addition, the coupler swing angle increases by about 0.086 ° when the steel spring descent increases by 5mm, the coupler swing angle increases by about 0.173 ° when the air spring descent increases by 5mm; the coupler swing angle increases by about 0.05 ° when the vertical deformation of carbody increases by 1 mm.
Key words: coupler vertical maximum swing angle; railway vehicles; dynamics; suspension failure

导出引用

杨晨1，池茂儒1，吴兴文2，蔡吴斌1，刘开成1. 轨道车辆车钩垂向最大摆角计算方法[J]. 振动与冲击, 2022, 41(15): 153-160

YANG Chen1, CHI Maoru1, WU Xingwen2, CAI Wubin1, LIU Kaicheng1. Calculation method for maximum swing angle in vertical direction of rail vehicle coupler[J]. Journal of Vibration and Shock, 2022, 41(15): 153-160

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