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Supervised by Ministry of Industry and Information Technology of The People''s Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:Fuxing Tan,Hongtao Liu,Shihui Liu,Zhenchuan Zhang,Peng Zhang.Experimental Study on Rotation Resistance Coefficient of Motor Bogie for Type A Vehicle[J].Journal of Harbin Institute Of Technology(New Series),2019,26(2):90-96.DOI:10.11916/j.issn.1005-9113.17068.
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Experimental Study on Rotation Resistance Coefficient of Motor Bogie for Type A Vehicle
Fuxing Tan, Hongtao Liu, Shihui Liu, Zhenchuan Zhang,Peng Zhang
(Railway Vehicles Laboratory, CRRC Changchun Railway Vehicles Co., Ltd., Changchun 130062, China)
Abstract:
Rotation resistance coefficient is an important operating parameter for vehicle bogies, which influences the dynamic behavior of vehicles directly. A research on the rotation resistance coefficient of type A vehicle motor bogies was conducted by means of theoretical calculation, dynamic simulation, test certification, and so on. Result of the simulation analysis shows that the rotation resistance coefficient relates to air springs stiffness and negotiated curve radii, and it varies proportionally with the change of air springs horizontal stiffness. The greater the rotation angle is, the greater the factor becomes. The certifications made under the operating conditions (e.g., different air spring status, different rotation speeds) indicate that the rotation resistance coefficient increases with the increase of the rotation speed. The anti-yaw dampers can contribute to the rotation resistance torque acted on bogie, and the greater the rotation speeds are, the greater the torque generated by the anti-yaw dampers is. The results suggest that the theoretical analysis and dynamics simulation are in accordance with the results from the bogie bench tests, which meet the requirements in EN14363 and the indicators in vehicles safe operation.
Key words:  type A vehicle  motor bogie  rotation angle  rotation resistance coefficient  rotation speed
DOI:10.11916/j.issn.1005-9113.17068
Clc Number:U270.1+4
Document Code::A
Fund:
Descriptions in Chinese:
  

A型车动车转向架扭转阻力测试试验研究

谭富星,刘洪涛,刘诗慧,张镇川,张鹏

(中车长春轨道客车股份有限公司,长春 130062)

摘要:

转阻力系数是转向架重要的运行参数,直接影响着轨道车辆的动力学性能。A型轨道车辆动车转向架扭转阻力参数测试通过理论计算、动力学仿真和试验验证等手段进行研究。通过对不同的空簧状态、空簧刚度和扭转速度等工况的分析和试验表明,扭转阻力系数与车辆通过曲线时的曲线半径相关性强;扭转阻力系数随着空簧水平刚度变化而变化;同时扭转阻力系数随扭转速度的增长而逐渐增大。在不同空簧状态和不同扭转速度的工况下的试验检定表明:扭转阻力系数随着扭转速度的增加而上升;抗蛇行减振器产生作用于转向架上的扭转阻力矩,且该力矩随着扭转速度增加而上升。试验结果表明理论分析、动力学仿真与真实转向架台架试验验证结果相吻合,试验满足EN14363中的要求和车辆安全操作指导。

关键词:A型车辆,动车转向架,扭转角,扭转阻力系数,扭转转速

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