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变工况过程中球轴承保持架的稳定性

张志强 王黎钦 张传伟 张雨萌 古乐

张志强, 王黎钦, 张传伟, 张雨萌, 古乐. 变工况过程中球轴承保持架的稳定性[J]. 工程科学学报, 2019, 41(11): 1458-1464. doi: 10.13374/j.issn2095-9389.2018.11.30.002
引用本文: 张志强, 王黎钦, 张传伟, 张雨萌, 古乐. 变工况过程中球轴承保持架的稳定性[J]. 工程科学学报, 2019, 41(11): 1458-1464. doi: 10.13374/j.issn2095-9389.2018.11.30.002
ZHANG Zhi-qiang, WANG Li-qin, ZHANG Chuan-wei, ZHANG Yu-meng, GU Le. Cage stability of ball bearings under variable working conditions[J]. Chinese Journal of Engineering, 2019, 41(11): 1458-1464. doi: 10.13374/j.issn2095-9389.2018.11.30.002
Citation: ZHANG Zhi-qiang, WANG Li-qin, ZHANG Chuan-wei, ZHANG Yu-meng, GU Le. Cage stability of ball bearings under variable working conditions[J]. Chinese Journal of Engineering, 2019, 41(11): 1458-1464. doi: 10.13374/j.issn2095-9389.2018.11.30.002

变工况过程中球轴承保持架的稳定性

doi: 10.13374/j.issn2095-9389.2018.11.30.002
基金项目: 国家自然科学基金资助项目(U1637206)
详细信息
    通讯作者:

    E-mail:lqwanghit@163.com

  • 中图分类号: TG142.71

Cage stability of ball bearings under variable working conditions

More Information
  • 摘要: 建立了球轴承ADAMS多体动力学模型,考虑轴承各元件之间的相互碰撞作用及摩擦力,分析了变工况下动量轮用球轴承的保持架质心的涡动行为,对保持架的运行稳定性做出了定量的分析。讨论了轴承启动加速度大小、轴向载荷和有无重力场对保持架稳定性的影响。结果表明轴承启动加速度增加,缩短了轴承启动过程的时间,引导面对保持架的引导作用增强,较高的转速更有利于保持架运行的稳定,但较大的启动加速度使得轴承摩擦力矩较大;轴向载荷升高加剧了滚动体与保持架的碰撞,增加了保持架的涡动状态,而且轴向载荷的增加使得轴承摩擦力矩增加;失重状态下保持架与套圈的碰撞加剧,保持架涡动增加。
  • 图  1  轴承多体动力学模型

    Figure  1.  Multi-body dynamic model of ball bearing

    图  2  摩擦系数与滑动速度之间关系

    Figure  2.  Relationship between friction coefficient and slip velocity

    图  3  加速度对摩擦力矩的影响

    Figure  3.  Effect of acceleration on friction torque

    图  4  轴向载荷对保持架速度偏差比值的影响

    Figure  4.  Influence of axial load on cage speed deviation ratio

    图  5  轴向载荷对摩擦力矩的影响

    Figure  5.  Influence of axial load on friction torque

    表  1  轴承组件材料属性表

    Table  1.   Material property of bearing component

    零件密度,ρ/(kg·m−3弹性模量,E/Pa泊松比,μ
    外圈7.90×1032.06×10110.29
    内圈7.90×1032.06×10110.29
    滚动体7.90×1032.06×10110.29
    保持架1.24×1033.00×1090.35
    下载: 导出CSV

    表  2  轴承启动加速度大小对保持架质心轨迹演化的影响

    Table  2.   Influence of acceleration on the evolution of the mass center of cage

    α/(r·min−1·s−1质心轨迹演化
    加速区稳态区加速+稳态区
    1000
    5000
    8000
    下载: 导出CSV

    表  3  轴承轴向力对保持架质心轨迹演化的影响

    Table  3.   Influence of axial load on the evolution of the mass center of cage

    Fa/N质心轨迹演化
    加速区稳态区加速+稳态区
    5
    200
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-11-30
  • 刊出日期:  2019-11-01

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