表面织构化叶片式液压摆动油缸启动阻力研究  

Study on the Starting Resistance of Surface Textured Hydraulic Rotary Vane Actuator

作　　者：陈萌萌 谢良喜 胡腾[4] 谢佳祺 李雨晴 CHEN Mengmeng;XIE Liangxi;HU Teng;XIE Jiaqi;LI Yuqing(Hubei Key Laboratory of Mechanical Transmission and Manufacturing Engineering,Wuhan University of Science and Technology,Wuhan Hubei 430081,China;Key Laboratory of Metallurgical Equipment and Control Technology,Ministry of Education,Wuhan University of Science and Technology,Wuhan Hubei 430081,China;Precision Manufacturing Institute,Wuhan University of Science and Technology,Wuhan Hubei 430081,China;College of Mechanical Engineering,Hubei University of Automotive Technology,Shiyan Hubei 442002,China)

机构地区：[1]武汉科技大学机械传动与制造工程湖北省重点实验室,湖北武汉430081 [2]武汉科技大学冶金装备及其控制教育部重点实验室,湖北武汉430081 [3]武汉科技大学精密制造研究院,湖北武汉430081 [4]湖北汽车工业学院机械工程学院,湖北十堰442002

出　　处：《润滑与密封》2025年第1期44-49,共6页Lubrication Engineering

基　　金：国家自然科学基金项目(51375352)。

摘　　要：为研究表面织构化叶片式液压摆动油缸启动瞬间的摩擦性能,依据端面密封接触压力数学模型,求得端面密封圈与转子、定子的接触压力;将织构作为转子表面粗糙谷,采用高斯分布函数模拟织构化转子粗糙表面,使用MATLAB软件计算织构化转子的表面粗糙度,得到不同织构参数与表面粗糙度的关系曲线。根据Florida模型提供的摩擦因数与表面粗糙度的关系,得出织构化转子与端面密封圈的摩擦因数。依据接触压力模型以及摩擦因数模型,建立启动阻力数学模型,得出摆动油缸所需的启动压力,并通过摆动油缸启动实验,对理论分析结果进行了验证。结果表明:加入织构后,转子的表面粗糙度增大,摆动油缸启动阻力增大。启动阻力实验结果与理论计算结果基本一致,表明建立的数学模型可以预测摆动油缸启动阻力。In order to study the friction performance of the surface textured hydraulic rotary vane actuator(RVA) at the moment of starting,the mathematical model of end seal contact pressure was established to the contact pressure between the end seal ring and the rotor and stator.Taking texture as the rough valley of rotor surface,the rough surface of textured rotor was simulated by Gaussian distribution function.The surface roughness of textured rotor was calculated by MATLAB software,and the relationship curves between different texture parameters and surface roughness were obtained.The friction coefficient of the structured rotor and the end seal was obtained according to the equation of the relationship between friction coefficient and surface roughness provided by the Florida model.Based on the contact pressure model and the friction coefficient model,the mathematical model of starting resistance was established to calculate the required starting pressure of the RVA.The theoretical analysis results were verified by the RVA starting experiments.The results show that after adding texturing structure,the surface roughness of the rotor increases,and the starting resistance of the RVA increases.The experimental results of starting resistance are basically consistent with the theoretical calculation results,indicating that the established mathematical model can predict the starting resistance of RVA.

关 键 词：叶片式液压摆动油缸 启动阻力 表面织构 表面粗糙度 摩擦性能 

分 类 号：TH117[机械工程—机械设计及理论]