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驱动工况下重载机车与轨道动态相互作用

刘鹏飞,  王开云,  翟婉明

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文章导航 > 西南交通大学学报  > 2014 >  27(1): 15-20.
刘鹏飞, 王开云, 翟婉明. 驱动工况下重载机车与轨道动态相互作用[J]. 西南交通大学学报, 2014, 27(1): 15-20. doi: 10.3969/j.issn.0258-2724.2014.01.003
引用本文: 刘鹏飞, 王开云, 翟婉明. 驱动工况下重载机车与轨道动态相互作用[J]. 西南交通大学学报, 2014, 27(1): 15-20. doi: 10.3969/j.issn.0258-2724.2014.01.003
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LIU Pengfei, WANG Kaiyun, ZHAI Wanming. Dynamics Interaction between Heavy-Haul Locomotive and Track under Driving Conditions[J]. Journal of Southwest Jiaotong University, 2014, 27(1): 15-20. doi: 10.3969/j.issn.0258-2724.2014.01.003
Citation: LIU Pengfei, WANG Kaiyun, ZHAI Wanming. Dynamics Interaction between Heavy-Haul Locomotive and Track under Driving Conditions[J]. Journal of Southwest Jiaotong University, 2014, 27(1): 15-20. doi: 10.3969/j.issn.0258-2724.2014.01.003
shu

驱动工况下重载机车与轨道动态相互作用

doi: 10.3969/j.issn.0258-2724.2014.01.003
基金项目: 

国家自然科学基金资助项目（51075340，50975238）

中国铁道总公司科技研究开发计划资助项目（2013J012-A）

Dynamics Interaction between Heavy-Haul Locomotive and Track under Driving Conditions

    摘要
  • 摘要: 为研究机车与弹性轨道的动态相互作用特征，针对具有轴悬式牵引电机的重载机车，考虑电机驱动装置和牵引力，建立了机车-轨道耦合动力学模型.采用Polach蠕滑力计算模型计算得到大滑动条件下，轮轨切向力和牵引力450 kN时重载机车的粘着重量利用率；分析了牵引力在150~450 kN区间变化时，机车通过曲线轨道时的轮轨动态相互作用.研究结果表明：牵引力为450 kN时，机车的粘着重量利用率达到了91.2%，增大机车牵引力，有利于改善导向轮对的轮轨横向动态相互作用，但轮轨磨耗程度有所加剧.

     

    Abstract: In order to investigate the characteristics of the dynamic interaction between locomotive and elastic track, a locomotive-track coupled dynamics model for the heavy-haul locomotive driven by axle hung traction motor was built, taking the electric motor drive system and traction into account. Then, the wheel/rail contact tangential force under large slip conditions and the adhesion utilization rate for the heavy-haul locomotive with a traction of 450 kN were calculated using the Polach nonlinear creep force model. As the traction varied between 150 and 450 kN, the wheel/rail dynamic interaction of the locomotive passing through a curved track was analyzed. The results show that the utilization factor of adhesive weight reaches 91.2% when the traction is 450 kN; and an increase in traction is favorable to improve the lateral wheel/rail dynamic interaction, but will worsen the wheel/rail wear.

     

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出版历程
  • 收稿日期:  2012-06-15
  • 刊出日期:  2014-01-25

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