外部振动激励下高速列车轴箱轴承保持架稳定性研究

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振动与冲击 ›› 2025, Vol. 44 ›› Issue (9) : 16-24.

振动理论与交叉研究

外部振动激励下高速列车轴箱轴承保持架稳定性研究

涂文兵1,2*，高宏2，黄怡斌2，葛可可2，娄元阔2，徐勇3

作者信息 +

Stability of high-speed train axle box bearing cage under external vibration excitation

TU Wenbing1,2*, GAO Hong2 ，HUANG Yibin2，GE Keke2，LOU Yuankuo2，XU Yong3

Author information +

文章历史 +

摘要

当高速列车处于强烈的振动环境中，外部振动激励会改变轴箱轴承内部动态激励，进而对保持架的运动稳定性产生重要影响。本文以轴箱轴承为研究对象，考虑了保持架与引导套圈和滚动体的动态接触关系、润滑油的流体动压作用，建立了保持架3自由度的轴箱轴承动力学模型，研究了外部振动激励的方向和参数对保持架稳定性的影响规律。结果表明：外部振动激励主要影响保持架与引导套圈的相互作用，进而对保持架的运动稳定性产生影响；相较于纵向振动，横向振动对保持架的运动稳定性影响更显著，且随着外部振动激励参数的改变，保持架质心轨迹的波动范围发生显著变化；当不同方向的外部振动激励参数接近时，保持架质心轨迹的波动范围会出现局部最小值。本文结果可为轴箱轴承保持架的设计和失效机理提供理论依据。

Abstract

The high-speed train is in a strong vibration environment. External vibration excitation changes the internal dynamic excitation of the axle box bearings, which has an important impact on the movement stability of the cage. In this paper, axle-box bearing was taken as the research object, taking into account the dynamic contact relationship between the cage, guide rings and rolling elements, and the hydrodynamic pressure effect of lubricating oil. A three-degree-of-freedom axle-box bearing dynamic model of the cage was established, and the influence of the direction and parameters of external vibration excitation on the stability characteristics of the cage was studied. The results show that external vibration excitation mainly affects the interaction between the cage and the guide ring, and then affects the movement stability of the cage; compared with longitudinal vibration, lateral vibration has a more significant impact on the movement stability of the cage, with the change of excitation parameters, the fluctuation range of the cage's centroid trajectory changes significantly; when the external vibration excitation parameters in different directions are close, a local minimum will appear in the fluctuation range of the cage's centroid trajectory. The results of this paper can provide theoretical basis for the design and failure mechanism of axle-box bearing cages.

导出引用

涂文兵, 高宏, 黄怡彬, 葛可可, 娄元阔. 外部振动激励下高速列车轴箱轴承保持架稳定性研究[J]. 振动与冲击, 2025, 44(9): 16-24

TU Wenbing, GAO Hong, HUANG Yibin, GE Keke, LOU Yuankuo. Stability of high-speed train axle box bearing cage under external vibration excitation[J]. Journal of Vibration and Shock, 2025, 44(9): 16-24

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