保持架兜孔间隙对圆柱滚子轴承运动特性的影响

张亢; 李超; 黄彦钦; 麻云娇

doi:10.21656/1000-0887.460023

保持架兜孔间隙对圆柱滚子轴承运动特性的影响

doi: 10.21656/1000-0887.460023

张亢^1, ,,
李超¹,
黄彦钦¹,
麻云娇²

1. 长沙理工大学能源与动力工程学院，长沙 410114;
2. 贵州航天凯星智能传动有限公司研发部，贵州遵义 563114

基金项目:

湖南省自然科学基金（2025JJ90173）；湖南省教育厅优秀青年项目（21B0347）

详细信息

作者简介:
张亢（1983—），男，副教授，博士，硕士生导师（通信作者. E-mail: 282451182@qq.com）.

通讯作者:
张亢（1983—），男，副教授，博士，硕士生导师（通信作者. E-mail: 282451182@qq.com）.

中图分类号: TH133.33
计量
- 文章访问数: 15
- HTML全文浏览量: 5
- PDF下载量: 1
- 被引次数: 0
出版历程
- 收稿日期: 2025-02-13
- 修回日期: 2025-04-30
- 网络出版日期: 2026-04-30

Effects of the Cage Pocket Clearances on Motion Characteristics of Cylindrical Roller Bearings

1. School of Energy and Power Engineering, Changsha University of Science and Technology, Changsha 410114, P.R.China;
2. R&D Department, Guizhou Aerospace Winstar Intelligent Transmission Co., Ltd., Zunyi, Guizhou 563114, P.R.China

摘要

摘要: 圆柱滚子轴承的保持架兜孔间隙会影响滚子与保持架间的滑移、碰撞等运动特性以及轴承的整体振动.针对传统圆柱滚子轴承动力学模型中，仅考虑润滑油对滚子产生的黏性阻力作用，提出将润滑油描述为滚子与滚道接触力相关的时变摩擦因数、流动阻力和对保持架的阻力矩，同时采用非线性弹簧、阻尼单元模拟滚子与保持架的碰撞接触，表征兜孔间隙的影响，建立了对应的圆柱滚子轴承滑移动力学模型.在验证了所建模型准确性的基础上，研究了保持架兜孔间隙对滚子保持架转速、滑移、碰撞等运动特性和轴承振动特性的影响.仿真分析结果表明：当保持架兜孔间隙增大时（0.1~0.7 mm），保持架滑移率会增大，转速波动会更加剧烈，从而影响保持架的稳定性；同时，滚子自转滑移率会减小，滚子与保持架兜孔前、后端的碰撞频率会降低，碰撞力增大，而轴承的整体振动会随兜孔间隙的增大而增大.研究结论可为圆柱滚子轴承设计与失效分析提供一定参考.
- 圆柱滚子轴承 /
- 保持架 /
- 兜孔间隙 /
- 滑移 /
- 动力学模型
Abstract: The clearance in the cage pocket of cylindrical roller bearings influences the kinematic characteristics such as slip and collision between the rollers and the cage, as well as the overall vibration of the bearing. the limitation of traditional dynamic models solely considering viscous drag effects of lubricant on rollers for cylindrical roller bearings, was addressed. Instead, the lubricant was described as a timevarying friction coefficient related to the contact force between the rollers and raceways, along with flow resistances and resistance torques on the cage. Additionally, nonlinear spring and damping elements were employed to simulate the collision contacts between the rollers and the cage, highlighting the impacts of the pocket clearance. The accuracy of the proposed model was validated, and the influences of the cage pocket clearance on the kinematic characteristics of the rollercage speed, slip, and collision, as well as the vibration characteristics of the bearing, were investigated. Simulation results indicate that, as the cage pocket clearance increases within the range of 0.1 mm to 0.7 mm, the cage slip rate rises, leading to more severe speed fluctuations and compromising cage stability. Simultaneously, the roller’s spin slip rate decreases, which reduces the collision frequency between the roller and the front and rear ends of the cage pocket, while the collision force increases. Furthermore, the overall vibration of the bearing intensifies with the increasing pocket clearance. The study can provide valuable insights for the design and failure analysis of cylindrical roller bearings.
- cylindrical roller bearing /
- cage /
- pocket clearance /
- slippage /
- dynamic model

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