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On the longitudinal load transfer law under the coupling shock condition of one roadrailer
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Hao DONG1, 2, 3, Ying-hui LI1, Ji ZHU2, Qiang LU2, Xian-feng ZHANG2, Peng-fei LIU4
Journal of Vibration Engineering | 2024, 37(2) : 276 - 285
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Journal of Vibration Engineering | 2024, 37(2): 276-285
On the longitudinal load transfer law under the coupling shock condition of one roadrailer
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Hao DONG1, 2, 3, Ying-hui LI1, Ji ZHU2, Qiang LU2, Xian-feng ZHANG2, Peng-fei LIU4
Affiliations
  • 1Institute for Advanced Study，Chengdu University，Chengdu 610106，China
  • 2Science Innovation Center， CRRC Meishan Co.，Ltd.，Meishan 620032，China
  • 3School of Mechanics and Aerospace Engineering， Southwest Jiaotong University，Chengdu 611756，China
  • 4State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures，Shijiazhuang Tiedao University，Shijiazhuang 050043，China
Published: 2024-02-28 doi: 10.16385/j.cnki.issn.1004-4523.2024.02.010
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It focused on the test and simulation study on the longitudinal load transfer law under the coupling shock condition of a roadrailer. The bogie of this type of the vehicle contains the towing plate and the yaw damper device，which are oriented in the longitudinal direction. Therefore the load transmission path and its value need to be investigated for further strength evaluation of the structural component. In the test，force sensors were installed on the key components. In the simulation，a comprehensive whole vehicle dynamic model，which contains 3 carbodies and 4 bogies，was established based on the theory and method of the rail vehicle and multibody dynamics. Meanwhile the collider is simplified to a mass considering its mass and speed to simulate the locomotive. Besides，it gave the modeling details of the yaw damper device and the towing plate. By the SIMPACK solver，the results demonstrate that the forces on the hook and the yaw damper device both increase with the impact speed increasing. Furthermore，the simulation results were slightly smaller than the test results，but the law is nearly the same. Under these conditions，the yaw damper had no effect. Therefore，the transmission path is only through the towing plate，which is useful for further strength evaluation.

vehicle system dynamics  /  roadrailer  /  coupling shock  /  load transmission path
Hao DONG, Ying-hui LI, Ji ZHU, Qiang LU, Xian-feng ZHANG, Peng-fei LIU. On the longitudinal load transfer law under the coupling shock condition of one roadrailer[J]. Journal of Vibration Engineering, 2024 , 37 (2) : 276 -285 . DOI: 10.16385/j.cnki.issn.1004-4523.2024.02.010
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Year 2024 volume 37 Issue 2
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2024.02.010
  • Receive Date：2022-05-16
  • Online Date：2026-02-10
  • Published：2024-02-28
Article Data
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History
  • Received：2022-05-16
  • Revised：2022-08-15
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Affiliations
    1Institute for Advanced Study，Chengdu University，Chengdu 610106，China
    2Science Innovation Center， CRRC Meishan Co.，Ltd.，Meishan 620032，China
    3School of Mechanics and Aerospace Engineering， Southwest Jiaotong University，Chengdu 611756，China
    4State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures，Shijiazhuang Tiedao University，Shijiazhuang 050043，China
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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