| 某主桨收口变距拉杆设计改进及试验评估分析 |
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| 引用本文： | 李磊,范平平,吴良清.某主桨收口变距拉杆设计改进及试验评估分析[J].直升机技术,2013(1):33-36. |
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| 作者姓名： | 李磊 范平平 吴良清 |
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| 作者单位： | 中国直升机设计研究所,江西景德镇,333001 |
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| 摘 要： | 介绍了某主桨变距拉杆提高疲劳寿命的设计改进方法，阐述了主桨变距拉杆疲劳试验提前失效的原因以及设计、检测方法的改进，为主桨变距拉杆在其它型号的设计应用提供经验参考。
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| 关 键 词： | 主桨变距拉杆 设计及检测方法改进 试验评估 |
Evaluation and Design Improvement of Pitch Link for a Certain Helicopter |
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| Authors: | LI Lei FAN Pingping WU Liangqing |
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| Institution: | (China Helicopter Research and Development Institute, Jingdezhen 333001, China) |
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| Abstract: | This paper introduced a design improvement of pitch link to increase the fatigue life, an- alyzed the reason of pitch link failure, put forward a detection method to avoid the pitch link damage in advance. The method could be used for future design. |
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| Keywords: | helicopter pitch link improvement of detection method test evaluation |
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