空军工程大学学报（自然科学版）2011，Vol.12Issue(3)：20-23,4.DOI:10.3969/j.issn.1009-3516.2011.03.005
机轮刹车振动破坏的仿真分析及优化设计
Simulation Analysis and Optimization Design on the Vibrant Break of Airplane Wheel
摘要
Abstract
A serious vibration will happen when a brake experiment upon the aircraft wheel is done on the test -bed. The serious breakages will appear on both the module of aircraft wheel and the brake device. To solve the problem of the aircraft wheel vibration, the research on the aircraft wheel is conducted and a mechanical model of the brake vibration system is established. Based on the software of ABAQUS, the vibration process is simulated,and the natural frequency of the aircraft wheel is picked up. The comparison between the result of the simulation and that of the experimentation shows that the resonance appeared in the aircraft wheel test system is the cause of the serious vibration. Based on this, the optimization designs such as changing the number of grooves and increasing the number of gaskets, etc. , are proposed. By adopting these measures, the vibration's impressing is diminished, the brake moment waving lessened and the vibration of aircraft wheel is reduced. At the same time, the frequencies of the force on the still tray and the system are changed. Thus the natural frequency of the aircraft wheelis avoided and the sympathetic vibration in aircraft wheel test system is averted, which make the reduction in vibrating acceleration of the wheel cylinder block as great as a factor of 8 times and that in displacement as great as a factor of 6 times. The application of these measures have weakened the vibration and enhanced the service life of the airplane wheel.关键词
航空机轮/共振/固有频率/优化设计Key words
airplane wheel/ sympathetic vibration/ natural frequency/ optimization design分类
航空航天引用本文复制引用
石晓朋,李曙林,杨哲,常飞,王怀威..机轮刹车振动破坏的仿真分析及优化设计[J].空军工程大学学报（自然科学版）,2011,12(3):20-23,4.基金项目
国家自然科学基金资助项目(60772162) （60772162）
