预载下带间隙舵面旋转频率测试方法研究

张平; 刘畅; 田鑫海; 王乐

doi:10.13433/j.cnki.1003-8728.20220239

预载下带间隙舵面旋转频率测试方法研究

doi: 10.13433/j.cnki.1003-8728.20220239

张平^1,,
刘畅¹,
田鑫海²,
王乐^2, ,

1.
成都飞机工业(集团)有限责任公司, 成都 610092
2.
西北工业大学航空学院, 西安 710072

基金项目:

航空基金项目 20171553014

详细信息

作者简介:
张平(1983-), 工程师, 硕士, 研究方向为强度试验, 853372179@qq, com

通讯作者:
王乐, 副教授, 博士, le.wang@nwpu.edu.cn

中图分类号: V216.2
计量
- 文章访问数: 101
- HTML全文浏览量: 62
- PDF下载量: 13
- 被引次数: 0
出版历程
- 收稿日期: 2021-03-14
- 刊出日期: 2022-10-25

Study on Testing Method of Rotation Frequency of Control Surface with Gap under Preloading

ZHANG Ping^1
,,
LIU Chang¹,
TIAN Xinhai²,
WANG Le^{2
, ,}

1.
Chengdu Aircraft Industrial (Group) Co., Ltd., Chengdu, 610092, China
2.
School of Aeronautics, Northwestern Polytechnical University, Xi′an 710072, China

摘要

摘要: 间隙的存在给航空结构带来了很大的安全隐患。间隙会影响舵面的旋转频率，此时对舵面施加预载可以有效地克服间隙非线性的影响，从而获取舵面的旋转频率。本文根据静力学原理，设计加工了克服舵面间隙的预加载系统，并以此建立了带预载间隙舵面旋转频率测试方法。针对某飞机舵面旋转频率的试验结果表明，本文所提方法可以有效实现对舵面旋转频率的测试。
- 间隙非线性 /
- 旋转模态 /
- 预载 /
- 舵面
Abstract: The existence of the gap brings great hazards to the safety of the aviation structure. The gap will affect the rotation frequency of the control surface, and the nonlinear effect of the gap can be effectively overcome by applying preloading to the control surface, then the rotation frequency of the control surface will be measured. In terms of the statics principle, a preloading system is designed and manufactured to overcome the gap of control surface, and a method for measuring the rotation frequency of control surface with preloading gap is established. Experimental results show that the proposed method can effectively measure the rotation frequency of the control surface of aircraft.
- gap nonlinearity /
- rotation mode /
- preloading /
- control surface

HTML全文

图 1 中心间隙型非线性刚度

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图 2 带初载偏移间隙型非线性刚度

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图 3 带初载偏移间隙型非线性刚度的等效线性刚度

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图 4 操纵面间隙测量装置示意图

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图 5 测试系统原理图

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图 6 某舵面的间隙测量结果

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图 7 不同舵面下的舵面旋转频率

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表 1 某舵面不同预载下的旋转频率

预载力/N	旋转频率/Hz	振型
3	108.2
5	107.4
8	106.4
10	106.0
12	105.5

下载: 导出CSV

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