考虑机轮形变的车辆-飞机牵引滑出系统运动学特性分析  

Kinematic characteristics analysis of vehicle-aircraft towing taxi system considering wheel deformation

作　　者：鲁鑫 孙宇宁 唐杰[1,2] 张威 LU Xin;SUN Yuning;TANG Jie;ZHANG Wei(College of Aeronautical Engineering,Civil Aviation University of China,Tianjin 300300,China;Aviation Special Ground Equipment Research Base,Civil Aviation Administration of China,Tianjin 300300,China)

机构地区：[1]中国民航大学航空工程学院,天津300300 [2]中国民航航空地面特种设备研究基地,天津300300

出　　处：《北京航空航天大学学报》2025年第2期478-486,共9页Journal of Beijing University of Aeronautics and Astronautics

基　　金：国家自然科学基金(U2033208);国家自然科学基金民航联合重点项目(U2233212)。

摘　　要：为探究抱轮机构与飞机前起落架机轮约束关系对牵引系统运动学特性的影响,基于Winkler接触模型建立了飞机前起落架机轮径向受力与径向接触形变的关系,以Douglas TBL-180无杆飞机牵引车和B737-800客机为参考对象,建立牵引车-飞机系统运动学模型,在抱轮机构与飞机前起落架机轮不同约束关系下,探究多种工况下牵引车与飞机加速度偏移的变化规律。结果表明:飞机前起落架机轮径向受力与径向接触形变具有较强的非线性关系,对牵引系统的运动特性具有较大影响;在加速与制动状态下,飞机前起落架机轮两端约束力的增大都将减小牵引车与飞机加速度的偏移,但在加速状态下,约束力的增大为加速度偏移减小的主要影响因素,而在制动状态下,约束力增大到一定值(约10000 N)后对加速度偏移影响很小。To explore the influence of the restraint relationship between the wheel-holding mechanism and the nose landing gear wheel on the kinematic characteristics of the towing system,this paper established the relationship between the radial force and radial contact deformation of the aircraft nose landing gear wheel based on the Winkler contact model.With the Douglas TBL-180 towbarless aircraft tractor and B737-800 passenger aircraft as reference objects,the kinematic model of the tractor-aircraft system was established,and under the different constraint relationships between the wheel-holding mechanism and the nose landing gear wheel,the change law of the acceleration bias of the tractor and the aircraft under various operating conditions was explored.The results show that the radial force of the nose landing gear wheel has a strong nonlinear relationship with the radial contact deformation,which greatly influences the motion characteristics of the towing system.Under the acceleration and braking states,the increase in the constraint force at both ends of the nose landing gear wheel will reduce the acceleration bias of the tractor and the aircraft.However,under the acceleration state,the increase in the constraint force is the main influencing factor for the decrease in the acceleration bias,and under the braking state,the constraint force has little effect on the acceleration bias when increasing to a certain value(about 10000 N).

关 键 词：牵引滑出 前起落架机轮 抱轮机构 Winkler接触模型 加速度偏移 

分 类 号：V226.7[航空宇航科学与技术—飞行器设计] V351.34