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航空鼓形花键设计及其不对中接触特性

赵广 王梦茹 冯志飞 王永泉 郭梅 苏常青

赵广, 王梦茹, 冯志飞, 王永泉, 郭梅, 苏常青. 航空鼓形花键设计及其不对中接触特性[J]. 航空动力学报, 2022, 37(4): 694-703. doi: 10.13224/j.cnki.jasp.20210177
引用本文: 赵广, 王梦茹, 冯志飞, 王永泉, 郭梅, 苏常青. 航空鼓形花键设计及其不对中接触特性[J]. 航空动力学报, 2022, 37(4): 694-703. doi: 10.13224/j.cnki.jasp.20210177
ZHAO Guang, WANG Mengru, FENG Zhifei, WANG Yongquan, GUO Mei, SU Changqing. Design method and its misaligned contact characteristic of aviation crowned spline[J]. Journal of Aerospace Power, 2022, 37(4): 694-703. doi: 10.13224/j.cnki.jasp.20210177
Citation: ZHAO Guang, WANG Mengru, FENG Zhifei, WANG Yongquan, GUO Mei, SU Changqing. Design method and its misaligned contact characteristic of aviation crowned spline[J]. Journal of Aerospace Power, 2022, 37(4): 694-703. doi: 10.13224/j.cnki.jasp.20210177

航空鼓形花键设计及其不对中接触特性

doi: 10.13224/j.cnki.jasp.20210177
基金项目: 国家自然科学基金(12172073); 中央高校基本科研业务费专项资金(DUT16JJ(G04)); 国家科技重大专项(779608000000200007)
详细信息
    作者简介:

    赵广(1981-),男,副教授、博士生导师,博士,主要从事转子及连接结构动力学研究。

  • 中图分类号: V233.1

Design method and its misaligned contact characteristic of aviation crowned spline

  • 摘要: 针对鼓形花键设计方法不完善、修形量范围无法确定的问题,提出利用花键齿面许用应力与内外花键配合干涉确定鼓形花键鼓形量的范围。以某航空发动机中央传动杆花键为例,开展鼓形花键设计;进而对比研究对中与不对中状态下普通花键和鼓形花键的接触特性。结果表明:对中状态下,普通花键接触应力集中于齿向加载端,而鼓形花键则集中于齿向中部且接触应力增大;不对中状态下,普通花键接触齿对数目显著减小且接触应力显著提高,而鼓形花键的均载性显著且接触应力降低;随着不对中的增大,普通花键因干涉而存在断齿风险,而鼓形花键仍能够啮合但脱开齿对数目增加,接触应力也急剧提高。所确定的鼓形花键修形量范围合理,能够将齿侧间隙、不对中补偿能力、与修形量定量耦合起来,为航空鼓形花键设计、不对中控制、承载能力与寿命提升提供了重要理论参考。

     

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出版历程
  • 收稿日期:  2021-04-18
  • 刊出日期:  2022-04-28

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