中国机械工程 ›› 2026, Vol. 37 ›› Issue (2): 332-341.DOI: 10.3969/j.issn.1004-132X.2026.02.008
• 机械基础工程 • 上一篇
蒋科1, 于平超1,2(
), 严循金3, 郑华强4, 蒋紫菡1, 陶玄君1
收稿日期:2024-11-28
出版日期:2026-02-25
发布日期:2026-03-13
通讯作者:
于平超
作者简介:蒋科,男,2000年生,硕士研究生。研究方向为航空发动机连接结构、转子动力学等基金资助:
JIANG Ke1, YU Pingchao1,2(
), YAN Xunjin3, ZHENG Huaqiang4, JIANG Zihan1, TAO Xuanjun1
Received:2024-11-28
Online:2026-02-25
Published:2026-03-13
Contact:
YU Pingchao
摘要:
以发动机柔性套齿连接结构为对象,通过在套齿连接结构轴段微元各啮合点处引入接触-摩擦模型,并结合整体结构的几何关系、受力平衡关系和数值迭代法提出了一种套齿非线性刚度的建模与计算方法,通过与ANSYS有限元模型结果进行对比,验证了所提计算方法的高求解效率和求解准确性。利用所提求解方法详细分析了套齿连接结构刚度非线性特征及关键参数的影响规律,并结合啮合齿对接触状态的变化规律揭示了其刚度非线性变化的内在机理。结果表明:套齿连接结构刚度随线位移的增加逐渐下降,但下降速率逐渐减小,此过程中套齿连接结构啮合齿接触面积减小是刚度降低的根本原因。接触面摩擦因数、啮合刚度、套齿齿宽以及扭矩增加时,套齿连接结构刚度均有所提高,其中扭矩的影响最为明显。
中图分类号:
蒋科, 于平超, 严循金, 郑华强, 蒋紫菡, 陶玄君. 考虑接触面摩擦的柔性套齿连接结构刚度数值建模与非线性机理分析[J]. 中国机械工程, 2026, 37(2): 332-341.
JIANG Ke, YU Pingchao, YAN Xunjin, ZHENG Huaqiang, JIANG Zihan, TAO Xuanjun. Numerical Modeling and Nonlinear Mechanism Analysis of Spline Coupling Stiffness Considering Contact Surface Friction[J]. China Mechanical Engineering, 2026, 37(2): 332-341.
| 参数名称 | 涡轮轴 | 风扇轴 | 参数名称 | 涡轮轴 | 风扇轴 |
|---|---|---|---|---|---|
| 齿数 | 22 | 22 | 模数/mm | 3 | 3 |
| 压力角/(°) | 20 | 20 | 齿宽L/mm | 30 | 30 |
| 内轮廓半径r1/ mm | 21 | 外轮廓半径r2/mm | 44 | ||
| 泊松比 | 0.25 | 0.25 | 摩擦因数 | 0.15 | 0.15 |
| 弹性模量/GPa | 210 | 210 |
表1 套齿连接结构的结构参数
Tab.1 The structural parameters of spline coupling
| 参数名称 | 涡轮轴 | 风扇轴 | 参数名称 | 涡轮轴 | 风扇轴 |
|---|---|---|---|---|---|
| 齿数 | 22 | 22 | 模数/mm | 3 | 3 |
| 压力角/(°) | 20 | 20 | 齿宽L/mm | 30 | 30 |
| 内轮廓半径r1/ mm | 21 | 外轮廓半径r2/mm | 44 | ||
| 泊松比 | 0.25 | 0.25 | 摩擦因数 | 0.15 | 0.15 |
| 弹性模量/GPa | 210 | 210 |
| 参数名称 | 涡轮轴 | 风扇轴 |
|---|---|---|
| 模数/mm | 2 | 2 |
| 齿数 | 30 | 30 |
| 压力角/(°) | 30 | 30 |
| 基圆直径/mm | 51.6915 | 51.6915 |
| 分度圆直径/mm | 60 | 60 |
| 花键大径/mm | 63 | 62 |
| 花键小径/mm | 58.15 | 57 |
表2 套齿试验件的结构参数
Tab.2 The structure parameter of the spline test piece
| 参数名称 | 涡轮轴 | 风扇轴 |
|---|---|---|
| 模数/mm | 2 | 2 |
| 齿数 | 30 | 30 |
| 压力角/(°) | 30 | 30 |
| 基圆直径/mm | 51.6915 | 51.6915 |
| 分度圆直径/mm | 60 | 60 |
| 花键大径/mm | 63 | 62 |
| 花键小径/mm | 58.15 | 57 |
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