轮缘多边形对轨道交通车辆轮轴系统振动影响研究  

Influence of Flange Polygons on the Vibration of Wheel Axle System in Rail Transit Vehicle

作　　者：厉业民 温保岗 全震 王滋昊 张旭[1] 王美令[3] 

机构地区：[1]大连工业大学,机械工程与自动化学院,辽宁 大连 [2]辽宁科技大学创新创业与工程训练中心,辽宁 鞍山 [3]大连交通大学,机车车辆工程学院,辽宁 大连

出　　处：《机械工程与技术》2020年第5期411-420,共10页Mechanical Engineering and Technology

摘　　要：轮对是轨道交通车辆上的重要部件,在运行过程中会存在轮缘多变形,将直接影响着轮轴系统的振动乃至车辆舒适性,因此研究轮缘多边形对车轴的振动影响具有重要意义。本文基于多体动力学方法在ADMAS平台建立考虑轮缘多边形的轮轨动力学模型,研究存在轮缘多边形时,车速、多边形的阶次对轮轴振动的影响规律。结果表明:随着运行速度增加,轮轴振动增加,且低阶多边形对轮轴振动影响更大;当存在三阶多边形时,加速度幅值在车轮转动频率36倍频时达到最大,当存在二十一阶多边形时,加速度对应频率幅值在车轮转动频率21倍频处达到最大,与多边形阶数相同。Wheel set as an important part of rail transit vehicles whose flange exist polygons during running will directly affect the vibration of wheel axle and even the comfort of vehicle. Therefore, it is of great significance to study the influence of wheel polygon on axle vibration. In this paper, a wheel- rail dynamics simulation model considering the polygon based on the multi-body dynamics theory by ADAMS is built to study the influence of flange polygons on the vibration of the wheel axle, in-cluding train speed, polygon order. The results show that the vibration of wheel axle will increase with the increasment of speed, and the low-order polygon has more obvious impact. The amplitude of wheel acceleration at 36 times of rotation frequency is Maximum if wheel exists 3 order polygon. Meanwhile, it is at 21 times which consistent with polygon order.

关 键 词：轮缘多边形 多体动力学 多边形阶次 振动 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]