基于颗粒阻尼的内燃动车组动力包构架多工况减振研究

doi:10.3901/JME.2022.04.250

机械工程学报 ›› 2022, Vol. 58 ›› Issue (4): 250-257.doi: 10.3901/JME.2022.04.250

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基于颗粒阻尼的内燃动车组动力包构架多工况减振研究

肖望强¹, 陈辉¹, 许展豪¹, 王兴民², 贾尚帅², 潘德阔²

1. 厦门大学航空航天学院厦门 361000;
2. 中车唐山机车车辆股份有限公司唐山 064000

收稿日期:2021-04-20 修回日期:2021-09-25 出版日期:2022-02-20 发布日期:2022-04-30
作者简介:肖望强(通信作者),男,1981年出生,博士研究生导师。主要研究方向是机械装备减振降噪及工艺和系统可靠性。E-mail:wqxiao@xmu.edu.cn
基金资助:
国家自然科学基金(51875490)和中央高校科研基金(20720210042)资助项目。

Study on the Vibration Reduction of Internal Combustion EMU Powerpack Frame under Multiple Loading Conditions Based on Particle Damping

XIAO Wangqiang¹, CHEN Hui¹, XU Zhanhao¹, WANG Xingming², JIA Shangshuai², PAN Dekuo²

1. College of Aeronautics and Astronautics, Xiamen University, Xiamen 361000;
2. CRRC Tangshan Locomotive and Rolling Stock Co., Ltd., Tangshan 064000

Received:2021-04-20 Revised:2021-09-25 Online:2022-02-20 Published:2022-04-30

摘要/Abstract

摘要： 减少转向架振动有利于控制铁路列车车体平稳，延长结构寿命，对动力包构架的减振研究工作有重要意义。基于颗粒阻尼对某型内燃动力总成(简称动力包)转向架构架进行减振研究，结合有限元方法和模态试验，分析转向架构架的动力学特性，确定颗粒阻尼器安装位置。建立颗粒系统—转向架构架的离散元模型，计算不同阻尼颗粒参数对应的能量耗散值，得出在给定工况下转向架构架最优阻尼颗粒参数。按照计算所得的最优参数，设计、制造、安装颗粒阻尼器，在动力包试验台架上对比分析各工况下转向架构架减振前后测点振动加速度。结果表明，在目标工况下，转向架构架振动幅值在垂向上减少60.7%；在其他档位时，转向架构架振动加速度幅值有15.5%到67.4%不等的减振效果，平均减振效果为49.33%，为转向架构架以及列车其他部件的减振提供了新方法和设计准则。

关键词: 转向架, 颗粒阻尼, 振动控制, 离散元

Abstract: Reducing bogie vibration is beneficial to control the stability of high-speed train body and prolong the service life of the structure. It is of great significance to the research of vibration reduction of power package frame. The vibration reduction of a power pack bogie frame is studied based on particle damping. The dynamic characteristics of the bogie frame are analyzed by combining the finite element method and modal experiment, and the installation location of the particle damper is determined. The discrete element model of particle system-bogie frame is established, and the energy dissipation values corresponding to different damping particle parameters are calculated, and the optimal damping particle parameters of bogie frame under given working conditions are obtained. The particle damper is designed, manufactured and installed according to the optimal parameters. The vibration acceleration of the bogie frame before and after vibration reduction is compared and analyzed on the power pack experimental table. The results show that the vibration amplitude of the bogie frame decreases by 60.7% vertically under the target working condition, and the vibration reduction effect of the vibration acceleration amplitude of the bogie frame varies from 15.5% to 67.4% in other gears. The average vibration reduction effect is 49.33 %. This provides a new method and design criterion for the vibration reduction of the bogie frame and other parts of the high-speed train.

Key words: bogie, particle damping, vibration control, discrete element

中图分类号:

TG156

肖望强, 陈辉, 许展豪, 王兴民, 贾尚帅, 潘德阔. 基于颗粒阻尼的内燃动车组动力包构架多工况减振研究[J]. 机械工程学报, 2022, 58(4): 250-257.

XIAO Wangqiang, CHEN Hui, XU Zhanhao, WANG Xingming, JIA Shangshuai, PAN Dekuo. Study on the Vibration Reduction of Internal Combustion EMU Powerpack Frame under Multiple Loading Conditions Based on Particle Damping[J]. Journal of Mechanical Engineering, 2022, 58(4): 250-257.

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基于颗粒阻尼的内燃动车组动力包构架多工况减振研究

Study on the Vibration Reduction of Internal Combustion EMU Powerpack Frame under Multiple Loading Conditions Based on Particle Damping

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