基于纵向动力学的重载列车长大坡道牵引力提升方式研究  

Research on Traction Increasing Method of Heavy Haul Train on Long and Steep Slope Based on Longitudinal Dynamics

作　　者：刘博阳 刘文胜 魏伟[1] 朱绩超[3] 张渊[1] LIU Boyang;LIU Wensheng;WEI Wei;ZHU Jichao;ZHANG Yuan(Zhan Tianyou College(CRRC College),Dalian Jiaoting University,Dalian 116028,China;CRRC Taiyuan Co.,Ltd.,Taiyuan 030027,China;School of Transportation Engineering,Dalian Jiaotong University,Dalian 116028,China)

机构地区：[1]大连交通大学詹天佑学院(中车学院),辽宁大连116028 [2]中车太原机车车辆有限公司车辆开发部,山西太原030027 [3]大连交通大学交通工程学院,辽宁大连116028

出　　处：《大连交通大学学报》2024年第5期42-48,共7页Journal of Dalian Jiaotong University

摘　　要：为保障列车运行的平稳性和安全性,采用基于多刚体动力学的仿真方法,建立了神12“1+1”C64编组和神12“2+0”C80编组万t重载列车仿真模型,并以列车在神朔铁路真实线路条件下的运行工况为基础,研究了不同牵引力提升速率对车钩力和列车速度的影响。结果表明,在同等牵引力水平下,神12“1+1”C64编组列车由于是动力分散布置,其产生的最大拉钩力相较神12“2+0”C80编组大幅降低;牵引力提升速率越快,列车产生的车钩力越大,且车钩力振荡持续时间越长;采用先快后慢的牵引力提升方式,可有效降低列车产生的最大车钩力并减小速度损失。In order to ensure the stability and safety of train operation,the simulation method is used based on multi-rigid-body dynamics to establish the simulation model of Shen 12′1+1′C64 configuration and Shen 12′2+0′C80 configuration of 10,000 t heavy haul train,and the influence of different traction force increase rate on coupler force and train speed is analyzed under the operating conditions of the train under the actual line conditions of Shenshuo Railway.The results show that under the same traction level,the maximum tensile coupler force generated by the Shen 12′1+1′C64 configuration train is greatly reduced compared with the Shen 12′2+0′C80 configuration due to the dynamic decentralized arrangement.The faster increased rate of the traction force results in the greater coupler force generated by the train and the longer duration of the cou⁃pler force oscillation,and the increased rate of the traction force has little effect on the stable value of the cou⁃pler force.The maximum coupler force generated by the train can effectively reduce,and the speed loss can be reduced by increasing the traction force first fast and then slow.

关 键 词：重载列车 牵引力 纵向动力学 车钩力 操纵优化 

分 类 号：U270.1[机械工程—车辆工程]