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含局部缺陷的成对角接触球轴承接触载荷分析

许恩典 徐腾飞 杨利花 李子航 胡禧龙 王浩泽

许恩典, 徐腾飞, 杨利花, 等. 含局部缺陷的成对角接触球轴承接触载荷分析[J]. 航空动力学报, 2022, 38(X):1-16 doi: 10.13224/j.cnki.jasp.20220443
引用本文: 许恩典, 徐腾飞, 杨利花, 等. 含局部缺陷的成对角接触球轴承接触载荷分析[J]. 航空动力学报, 2022, 38(X):1-16 doi: 10.13224/j.cnki.jasp.20220443
XU Endian, XU Tengfei, YANG Lihua, et al. Contact load analysis of the duplex angular contact ball bearings with local defects[J]. Journal of Aerospace Power, 2022, 38(X):1-16 doi: 10.13224/j.cnki.jasp.20220443
Citation: XU Endian, XU Tengfei, YANG Lihua, et al. Contact load analysis of the duplex angular contact ball bearings with local defects[J]. Journal of Aerospace Power, 2022, 38(X):1-16 doi: 10.13224/j.cnki.jasp.20220443

含局部缺陷的成对角接触球轴承接触载荷分析

doi: 10.13224/j.cnki.jasp.20220443
基金项目: 航空发动机及燃气轮机重大专项(J2019-Ⅳ-0021-0089); 国家自然科学基金(11872288)
详细信息
    作者简介:

    许恩典(1997-),男,硕士生,主要从事航空发动机含局部故障滚动轴承研究

    通讯作者:

    杨利花(1975-),女,教授、博士生导师,博士,主要从事滑动轴承及转子动力学研究。E-mail:yanglihua_2@126.com

  • 中图分类号: V229+.2;TH133

Contact load analysis of the duplex angular contact ball bearings with local defects

  • 摘要:

    建立了外滚道含局部缺陷的成对角接触球轴承(DACBBs)准静态力学模型,并考虑了缺陷深度、周向宽度以及轴承的时变特性。在此基础上,对纯径向和联合载荷两种工况下局部缺陷的尺寸和位置对DACBBs内部接触载荷的影响进行了系统研究。结果表明:接触载荷对缺陷非常敏感,当左右列轴承分别或共同含局部缺陷时,轴承两列的载荷分布有较大差异。含缺陷的那列轴承载荷分布会产生局部突变现象,突变的幅值和宽度随缺陷尺寸的增大而增大,而不含缺陷的另一列轴承突变很小。另外,成对轴承应视为整体进行研究分析,不同安装方式下,缺陷产生的影响也有较大差异。当前研究对揭示DACBBs的失效机制、可靠性分析以及设计具有重要意义。

     

  • 图 1  DACBBs受力及位移

    Figure 1.  Force and displacement of DACBBs

    图 2  DACBBs安装方式

    Figure 2.  DACBBs configurations

    图 3  DACBBs的局部缺陷位置

    Figure 3.  Local defect locations in DACBBs

    图 4  滚动体通过外滚道缺陷的位移分析

    Figure 4.  Displacement analysis of rolling elements passing through the outer raceway defects

    图 5  DACBBs内部几何约束关系

    Figure 5.  Internal geometric constraints of DACBBs

    图 6  轴承左列第$ k $个滚动体中心与滚道曲率中心之间的几何关系

    Figure 6.  Geometric relationship between the center of the k-th rolling element in the left column of the bearing and the center of curvature of the raceway

    图 7  $ k $个滚动体受力

    Figure 7.  Forces on the k-th rolling element

    图 8  求解含局部缺陷DACBBs力学模型的算法流程图

    Figure 8.  Numerical algorithm flow chart for solving the mechanical model of DACBBs with local defects

    图 9  左列轴承含缺陷时DB安装DACBBs接触载荷分布

    Figure 9.  Contact load distribution of the DACBBs with DB configuration when the left row has defect

    图 10  左列轴承含缺陷$\Delta {\psi _{\rm{f}}}$=5°时DB安装DACBBs接触载荷分布对比

    Figure 10.  Comparison of the contact load distribution of the DACBBs with DB configuration when the left row has defect of $\Delta {\psi _{\rm{f}}}$=5°

    图 11  左列轴承含缺陷时DF安装DACBBs接触载荷分布

    Figure 11.  Contact load distribution of the DACBBs with DF configuration when the left row has defect

    图 12  右列轴承含缺陷时DB安装DACBBs接触载荷分布

    Figure 12.  Contact load distribution of the DACBBs with DB configuration when the right row has defect

    图 13  右列轴承含缺陷时DF安装DACBBs接触载荷分布

    Figure 13.  Contact load distribution of the DACBBs with DF configuration when the right row has defect

    图 14  左右列轴承均含缺陷时DB安装DACBBs接触载荷分布

    Figure 14.  Contact load distribution of the DACBBs with DB configuration when the left and the right row have defect

    图 15  左右列轴承均含缺陷时DF安装DACBBs接触载荷分布

    Figure 15.  Contact load distribution of the DACBBs with DF configuration when the left and the right row have defect

    图 16  左列轴承含缺陷时DB安装DACBBs接触载荷分布

    Figure 16.  Contact load distribution of the DACBBs with DB configuration when the left row has defect

    图 17  左列轴承含缺陷$\Delta {\psi _{\rm{f}}}$=5°时DB安装DACBBs接触载荷分布对比

    Figure 17.  Comparison of the contact load distribution of the DACBBs with DB configuration when the left row has defect of $\Delta {\psi _{\rm{f}}}$=5°

    图 18  左列轴承含缺陷时DF安装DACBBs接触载荷分布

    Figure 18.  Contact load distribution of the DACBBs with DF configuration when the left row has defect

    图 19  左列轴承含缺陷$\Delta {\psi _{\rm{f}}}$=5°时DF安装DACBBs接触载荷分布对比

    Figure 19.  Comparison of the contact load distribution of the DACBBs with DF configuration when the left row has defect of $\Delta {\psi _{\rm{f}}}$=5°

    图 20  右列轴承含缺陷时DB安装DACBBs接触载荷分布

    Figure 20.  Contact load distribution of the DACBBs with DF configuration when the right row has defect

    图 21  右列轴承含缺陷$\Delta {\psi _{\rm{f}}}$=5°时DB安装DACBBs接触载荷分布对比

    Figure 21.  Comparison of the contact load distribution of the DACBBs with DB configuration when the right row has defect of $\Delta {\psi _{\rm{f}}}$=5°

    图 22  右列轴承含缺陷时DF安装DACBBs接触载荷分布

    Figure 22.  Contact load distribution of the DACBBs with DF configuration when the right row has defect

    图 23  右列轴承含缺陷$\Delta {\psi _{\rm{f}}}$=5°时DF安装DACBBs接触载荷分布对比

    Figure 23.  Comparison of the contact load distribution of the DACBBs with DF configuration when the right row has defect of $\Delta {\psi _{\rm{f}}}$=5°

    图 24  左右列轴承均含缺陷时DB安装DACBBs接触载荷分布

    Figure 24.  Contact load distribution of the DACBBs with DB configuration when the left and the right row have defect

    图 25  左右列轴承均含缺陷时DF安装DACBBs接触载荷分布

    Figure 25.  Contact load distribution of the DACBBs with DF configuration when the left and the right row have defect

    图 26  左右列轴承均含缺陷时DB安装DACBBs的接触角分布

    Figure 26.  Contact angle distribution of the DACBBs with DB configuration when the left and the right row have defect

    图 27  左右列轴承均含缺陷时DF安装DACBBs的接触角分布

    Figure 27.  Contact angle distribution of the DACBBs with DF configuration when the left and the right row have defect

    表  1  7010 AC/DB轴承参数

    Table  1.   Structural parameters of 7010 AC/DB

    参数数值
    节圆直径${d_{\rm{m}}}$/mm65
    左列和右列之间距离${d_{\rm{c}}}$/mm16
    定位预紧${\delta _{\rm{p}}}$/μm8
    滚动体直径$ D $/mm9
    初始接触角$ \alpha $/(°)25
    每列滚动体个数$ Z $18
    外滚道曲率半径系数${f_{\rm{e}}}$0.525
    内滚道曲率半径系数${f_{\rm{i}}}$0.515
    泊松比$ v $0.3
    弹性模量E/105 MPa2.06
    局部缺陷深度$ {h_0} $/um50
    下载: 导出CSV
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  • 收稿日期:  2022-06-21
  • 网络出版日期:  2022-12-12

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