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局部受载滚轮滚针轴承承载性能仿真分析

牛荣军 胡余生 汪永刚

牛荣军, 胡余生, 汪永刚. 局部受载滚轮滚针轴承承载性能仿真分析[J]. 航空动力学报, 2019, 34(10): 2227-2236. doi: 10.13224/j.cnki.jasp.2019.10.016
引用本文: 牛荣军, 胡余生, 汪永刚. 局部受载滚轮滚针轴承承载性能仿真分析[J]. 航空动力学报, 2019, 34(10): 2227-2236. doi: 10.13224/j.cnki.jasp.2019.10.016
NIU Rongjun, HU Yusheng, WANG Yonggang. Loading performances simulation analysis of roller needle bearing with partial loading[J]. Journal of Aerospace Power, 2019, 34(10): 2227-2236. doi: 10.13224/j.cnki.jasp.2019.10.016
Citation: NIU Rongjun, HU Yusheng, WANG Yonggang. Loading performances simulation analysis of roller needle bearing with partial loading[J]. Journal of Aerospace Power, 2019, 34(10): 2227-2236. doi: 10.13224/j.cnki.jasp.2019.10.016

局部受载滚轮滚针轴承承载性能仿真分析

doi: 10.13224/j.cnki.jasp.2019.10.016
基金项目: 国家“十三五”科技攻关项目(JPPT-2017-143); 空调设备及系统运行节能国家重点实验室开放基金(SKLACKF201603);河南省自然科学基金(62300410086)

Loading performances simulation analysis of roller needle bearing with partial loading

  • 摘要: 根据所研究滚轮滚针轴承局部受载和支撑结构特点,建立考虑凸轮局部受载影响的轴承全柔性体有限元仿真模型,系统分析了轴承加载载荷、游隙和安装偏斜角对轴承的力学性能、刚度和寿命的影响,并通过数值和试验方法对仿真结果的正确性进行验证。结果表明:局部受载条件下,径向载荷和偏斜角对轴承接触性能和寿命产生较大影响,轴承游隙对轴承接触性能和寿命的影响较小;径向载荷和偏斜角的增加,使得轴承承载区域减小,原对称“驼峰”型滚针母线的接触压力分布逐渐向偏斜角方向过渡,造成“一高一低”的母线压力分布形貌,最大接触压力增加,使得轴承寿命快速下降,但在极限载荷和偏转角条件下,仍满足轴承设计寿命指标要求。

     

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出版历程
  • 收稿日期:  2019-04-04
  • 刊出日期:  2019-10-28

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