| 飞机减摆器断轴失效分析及改进设计研究 |
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| 引用本文： | 张显余,付长安,黄秋水. 飞机减摆器断轴失效分析及改进设计研究[J]. 飞机设计, 2009, 29(5): 16-18,23 |
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| 作者姓名： | 张显余 付长安 黄秋水 |
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| 作者单位： | 空军航空大学,航空机械工程系,吉林,长春,130022 |
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| 摘 要： | 飞机减摆器是防止前轮摆振和传力的关键构件,减摆器轴断裂失效将严重危及飞行安全,使用中曾多次发生断裂.本文应用飞机疲劳断裂理论对该构件进行了疲劳强度计算和断裂原因分析,其结论与该构件的实际断口分析是相符的,属于疲劳断裂,并在此基础上提出预防断轴的措施和在减摆活塞上加装双向安全活门的改进研究建议.
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| 关 键 词： | 减摆器 断轴 疲劳断裂 失效分析 改进设计 |
Losing Efficiency Analysis and Improved Design of Broken Shaft of Vibration Reducer on a Certain Aircraft |
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| ZHANG Xian-yu,FU Chang-an,HUANG Qiu-shui. Losing Efficiency Analysis and Improved Design of Broken Shaft of Vibration Reducer on a Certain Aircraft[J]. Aircraft Design, 2009, 29(5): 16-18,23 |
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| Authors: | ZHANG Xian-yu FU Chang-an HUANG Qiu-shui |
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| Affiliation: | ZHANG Xian-yu,FU Chang-an,HUANG Qiu-shui(Aerospace and Mechanical Engineering Department Aviation University of Air Force,Changchun 130022,China) |
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| Abstract: | A vibration reducer used to avoid nose wheel vibration and transmit force is an important component of an aircraft.Cracking or losing efficiency of Vibration reducer shaft can strongly endanger flying safety.There are many times of cracking on vibration reducer shaft during operration.This article computes fatigue strength and analyzes causes of cracking by means of fatigue failure theory of aircraft.The conclusion in accordance with real section analyzing of this component is fatigue failure.Based on the c... |
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| Keywords: | vibration reducer shaft cracking fatigue failure losing efficiency analysis improving design |
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