Analysis of the securityof coupler draft gear systems during the operation of heavy-haul locomotive

Hai Zhang; Ruini Shi; Fengtao Lin

doi:10.1117/12.3036561

21 July 2024 Analysis of the securityof coupler draft gear systems during the operation of heavy-haul locomotive

Hai Zhang, Ruini Shi, Fengtao Lin

Proceedings Volume 13219, Fourth International Conference on Applied Mathematics, Modelling, and Intelligent Computing (CAMMIC 2024); 1321935 (2024) https://doi.org/10.1117/12.3036561
Event: 4th International Conference on Applied Mathematics, Modelling and Intelligent Computing (CAMMIC 2024), 2024, Kaifeng, China

Abstract

With the continuous advancement of China's strategy of building a transportation power. Factors such as running environment and train marshalling length require higher and higher dynamic performance of coupler/draft gear systems of heavy-haul locomotives, such as the complexity of running lines, the limitation of heavy-haul train formation and so on. Improving the pressure stability of the coupler/draft gear device, studying the structural characteristics of the coupler/draft gear device, the design and modeling of the coupler/draft gear device, and carrying out dynamic simulation research are necessary and effective means to solve the above problems and improve the innovation level of the coupler/draft gear systems of heavy- haul locomotives. For this reason, with the help of modeling software (Universal Mechanism,UM), the coupler/draft gear systems model of heavy-haul locomotives is established, and the dynamic performance of 2 HXD1 locomotives + 43 C70 gondola locomotives running on complex lines is studied. The effects of line curve radius and downhill slope on dynamic parameters such as coupler force and wheel-rail lateral force of heavy-haul locomotives are analyzed. It has important guiding significance for improving the operation security of heavy-haul locomotives on complex lines.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Hai Zhang, Ruini Shi, and Fengtao Lin "Analysis of the securityof coupler draft gear systems during the operation of heavy-haul locomotive", Proc. SPIE 13219, Fourth International Conference on Applied Mathematics, Modelling, and Intelligent Computing (CAMMIC 2024), 1321935 (21 July 2024); https://doi.org/10.1117/12.3036561

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KEYWORDS

Education and training

3D modeling

Systems modeling

Safety

Data modeling

Elasticity

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