Chapter
Feb 8, 2022
Second International Conference on Rail Transportation
Research on Dynamics Coupler Draftgear System of Heavy-Haul Locomotive
Authors: Yanhui Xu [email protected], Lina Zhu [email protected], Quanbao Feng [email protected], and Song Wang [email protected]Author Affiliations
Publication: ICRT 2021
ABSTRACT
The action principle of a certain type of coupler draft gear system under longitudinal braking pressure is analyzed. Both the dynamic safety index of wheel-rail at the same braking speed and different free angles of coupler are studied. The influence of swing angle of coupler on wheelset lateral forces are simulated based on the dynamic theory. The results show that, for the marshalling train mode, the wheel-rail dynamic safety index meets the operation requirements as the maximum free tilt angle of coupler is 3°. Once the maximum free tilt angle of the coupler reaches 4°, the wheelset lateral force can’t meet the requirements of safe operation. The longitudinal compressive force and the reset function of coupler have effects on the locomotive flange wear.
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References
Shihui Luo, Quanbao Feng, Junjie Yang. (2008). “Study on dynamics of HXD2 heavy haul locomotive under longitudinal pressure.” J. Railway Locomotive & CAR,
Quanbao Feng, Junjie Yang, Jianxin Liu. (2008). “Exploration of locomotive safety in heavy haul locomotives on Datong Qinhuangdao railway.” J. Railway Locomotive & CAR,
AAR(Association of American Railroads) (1980) The Car and Locomotive Cyclopedia of American Practice, Standard. Fivth printing.
Kaiyun Wang, Wanming Zhai, Quanbao Feng. (2009). “Influence of coupler free angle on wheel rail dynamic safety performance of heavy haul locomotive.” J. China Railway Science,
Zunsong Reng (2007). “Vehicle system dynamics.” M.China Railway Publishing House, 47
Information & Authors
Information
Published In
ICRT 2021
Pages: 557 - 567
Editors: Wanming Zhai, Ph.D., Southwest Jiaotong University, Kelvin C. P. Wang, Ph.D., Oklahoma State University, and Shengyang Zhu, Ph.D., Southwest Jiaotong University
ISBN (Online): 978-0-7844-8388-6
Copyright
© 2022 American Society of Civil Engineers.
History
Published online: Feb 8, 2022
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Authors
Affiliations
Technical Center, CRRC Datong Electric Locomotive Co. Ltd., Datong. E-mail: [email protected]
Tianjin Research Institute for Advanced Equipment, Tsinghua Univ., Tianjin. E-mail: [email protected]
Tianjin Research Institute for Advanced Equipment, Tsinghua Univ., Tianjin. E-mail: [email protected]
Tianjin Research Institute for Advanced Equipment, Tsinghua Univ., Tianjin. E-mail: [email protected]
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