静叶调节机构间隙转动关节接触力模型及实验

doi:10.3901/JME.2025.01.001

机械工程学报 ›› 2025, Vol. 61 ›› Issue (1): 1-12.doi: 10.3901/JME.2025.01.001

• 机器人及机构学 • 上一篇

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静叶调节机构间隙转动关节接触力模型及实验

张宏伟^1,2, 罗忠^1,2,3, 许春阳^1,4, 常晶^1,2, 姚思博^1,2

1. 东北大学机械工程与自动化学院沈阳 110819;
2. 东北大学航空动力装备振动及控制教育部重点实验室沈阳 110819;
3. 东北大学佛山研究生创新学院佛山 528312;
4. 中国航发沈阳发动机研究所沈阳 110015

收稿日期:2024-02-12 修回日期:2024-08-21 发布日期:2025-02-26
作者简介:张宏伟，男，1994年出生，博士研究生。主要研究方向为机械系统动力学、碰撞/接触与摩擦磨损。E-mail：zhanghongweichn@163.com
罗忠(通信作者)，男，1978年出生，博士，教授，博士研究生导师。主要研究方向为机械动力学与控制、模型试验技术与方法等。E-mail：zhluo@mail.neu.edu.cn
基金资助:
国家科技重大专项(J2019-IV-0002-0069)和国家自然科学基金(12272089,U1908217)资助项目。

New Contact Force Model and Experiment of Revolute Joints with Clearance in the Variable Stator Vane Mechanism

ZHANG Hongwei^1,2, LUO Zhong^1,2,3, XU Chunyang^1,4, CHANG Jing^1,2, YAO Sibo^1,2

1. School of Mechanical Engineering &Automation, Northeastern University, Shenyang 110819;
2. Key Laboratory of Vibration and Control of Aero-Propulsion System Ministry of Education, Northeastern University, Shenyang 110819;
3. Foshan Graduate School of Innovation, Northeastern University, Foshan 528312;
4. AECC Shenyang Engine Research Institute, Shenyang 110015

Received:2024-02-12 Revised:2024-08-21 Published:2025-02-26

摘要/Abstract

摘要： 针对航空发动机静叶调节机构中的小间隙转动关节动态接触力计算不准确的问题，提出了新的考虑共形接触的连续接触力模型。基于改进的Winkler接触理论修正了弹性接触力模型，结合恢复系数适用范围广泛的Flores模型中的阻尼耗散项，提出了新的小间隙转动关节连续接触力模型。分析了所提出的接触力模型在不同接触长度、不同恢复系数、不同间隙大小和不同碰撞初速度等条件下的适用性，并与L-N等传统接触力模型进行了比较。将所提出的接触力模型应用于静叶调节机构间隙转动关节的动力学计算，并设计了静叶调节机构原理件实验台进行实验验证。结果表明，基于新模型的动力学数值计算可以准确反映间隙关节的接触特征和机构的动态响应，验证了所提接触模型的有效性。

关键词: 间隙转动关节, 共形接触, 接触力模型, 航空发动机, 静叶调节机构

Abstract: A new continuous contact force model considering conformal contact is proposed to address the issue of inaccurate calculation of dynamic contact force for revolute joints with small clearance in the variable stator vane (VSV) mechanism of aero engines. Firstly, the elastic contact force model is modified based on the improved Winkler contact theory. On this basis, a new continuous contact force model for small clearance revolute joints is proposed by incorporating the damping dissipation term from the Flores model, which has a wide range of applicability for the restitution coefficient. Then, the applicability of the proposed contact force model is analyzed under different contact lengths, restitution coefficients, clearance values and initial collision velocities, and compared with traditional contact force models such as L-N model. Finally, the proposed contact force model is applied to the dynamic calculation of the clearance revolute joint of the VSV mechanism. A VSV mechanism principle-level experimental platform is designed for experimental verification. The results indicate that the dynamic numerical calculation based on the new model can accurately reflect the contact characteristics of the clearance joint and the dynamic response of the mechanism, verifying the effectiveness of the proposed contact model.

Key words: revolute joints with clearance, conformal contact, contact force model, aero engines, VSV mechanism

中图分类号:

TH113

张宏伟, 罗忠, 许春阳, 常晶, 姚思博. 静叶调节机构间隙转动关节接触力模型及实验[J]. 机械工程学报, 2025, 61(1): 1-12.

ZHANG Hongwei, LUO Zhong, XU Chunyang, CHANG Jing, YAO Sibo. New Contact Force Model and Experiment of Revolute Joints with Clearance in the Variable Stator Vane Mechanism[J]. Journal of Mechanical Engineering, 2025, 61(1): 1-12.

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静叶调节机构间隙转动关节接触力模型及实验

New Contact Force Model and Experiment of Revolute Joints with Clearance in the Variable Stator Vane Mechanism

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