内燃动车组动力包刚柔耦合双层隔振系统动力学建模及参数影响分析重载快捷大功率电力机车*

doi:10.16731/j.cnki.1671-3133.2024.05.010

现代制造工程 ›› 2024, Vol. 524 ›› Issue (5): 71-79.doi: 10.16731/j.cnki.1671-3133.2024.05.010

• CAD/CAE/CAPP/CAM • 上一篇下一篇

内燃动车组动力包刚柔耦合双层隔振系统动力学建模及参数影响分析重载快捷大功率电力机车^*

李超^1,2, 余康凡³, 张建润³, 刘晓波^1,2

1 重载快捷大功率电力机车全国重点实验室,株洲 412001;
2 中车株洲电力机车有限公司,株洲 412001;
3 东南大学机械工程学院,南京 211189

收稿日期:2023-08-25 出版日期:2024-05-18 发布日期:2024-05-30
通讯作者: 余康凡,博士,主要研究方向为非线性动力学、振动与噪声控制。E-mail:yukangfan1998@163.com
作者简介:李超,硕士,主要研究方向为振动噪声控制。E-mail:yukangfan1998@163.com
基金资助:
^*全国重点实验室开放基金项目(13221430001830);国家重点研发计划项目(2019YFB2006402)

Dynamic modeling and parameter influence of powerpack rigid-flexible coupling two-stage vibration isolation system for internal combustion multiple unit

LI Chao^1,2, YU Kangfan³, ZHANG Jianrun³, LIU Xiaobo^1,2

1 The State Key Laboratory of Heavy-duty and Express High-power Electric Locomotive, Zhuzhou 412001,China;
2 CRRC Zhuzhou Electric Locomotive Co.,Ltd.,Zhuzhou 412001,China;
3 School of Mechanical Engineering,Southeast University,Nanjing 211189,China

Received:2023-08-25 Online:2024-05-18 Published:2024-05-30

摘要/Abstract

摘要： 动力包系统为内燃动车组的重要组成部分,其隔振性能直接关系到动车组的运行安全性及乘坐舒适性。针对动力包刚柔耦合双层隔振系统,提出了一种基于子结构频响函数综合的动力包刚柔耦合双层隔振系统建模方法。该方法将动力包系统分为发电机组、散热器机组、公共构架和车体地板子结构,通过2次频响函数综合建立了公共构架B-基础D综合体和机组刚体的频响函数表达式,大大提升了建模效率与计算速度,对工程计算和设计具有重要的价值。通过与ABAQUS软件中有限元频响结果进行对比,验证了该方法的正确性与计算精度。以某型内燃动车组动力包系统为研究对象,利用该建模方法,结合动力包系统实际隔振设计需求,研究了子结构质量比、子结构刚度、子结构阻尼、各级隔振器刚度及阻尼等参数对动力包系统隔振性能的影响规律,为内燃动车组动力包隔振系统设计及优化提供了理论支撑。

关键词: 力包刚柔耦合双层隔振系统, 频响函数综合, 刚柔耦合, 隔振性能, 功率流

Abstract: Powerpack system is an important part of the internal-combustion railcar,and its vibration isolation performance is directly related to the running safety and riding comfort of the train.A Frequency Response Function (FRF) based substructuring synthesis method was proposed for the rigid-flexible coupled Powerpack Two-stage Vibration Isolation System (PTVIS). The method divides the PTVIS into for substructures,i.e.,diesel generating set,radiator units,public frame and train floor. Thus, the combined frequency response function of flexible public frame B, flexible base D and rigid units A can be established by synthesizing the substructures through FRF-based substructuring synthesis method twice. The reduced model can greatly improve the modeling efficiency and calculation speed,which has more important value for engineering calculation and design.The correctness and accuracy of the proposed method were verified by comparing it with the results of finite element frequency response in ABAQUS software. Taking the powerpack system of an exported philippine internal combustion railcar as the research object,the FRF-based substructuring synthesis modeling method was used to study the influence of substructure mass ratio,substructure stiffness,substructure damping,stiffness and damping of isolators,and other parameters on the vibration isolation performance of the PTVIS,which provides theoretical support for the design and optimization of powerpack vibration isolation system.

Key words: powerpack rigid-flexible coupling two-stage vibration isolation system, FRF-based substructuring synthesis method, rigid-flexible coupling, vibration isolation performance, power flow

中图分类号:

TB53

李超, 余康凡, 张建润, 刘晓波. 内燃动车组动力包刚柔耦合双层隔振系统动力学建模及参数影响分析重载快捷大功率电力机车^*[J]. 现代制造工程, 2024, 524(5): 71-79.

LI Chao, YU Kangfan, ZHANG Jianrun, LIU Xiaobo. Dynamic modeling and parameter influence of powerpack rigid-flexible coupling two-stage vibration isolation system for internal combustion multiple unit[J]. Modern Manufacturing Engineering, 2024, 524(5): 71-79.

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内燃动车组动力包刚柔耦合双层隔振系统动力学建模及参数影响分析重载快捷大功率电力机车^*

Dynamic modeling and parameter influence of powerpack rigid-flexible coupling two-stage vibration isolation system for internal combustion multiple unit

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