Innovative Design and Application of Pitching Movement Transmission Mechanism in Large-scale Wind Tunnel

Guangfei You; Dewei Zhang; Zhihui Lu; Guoliang Zheng; Yongqiang Qiao; Yanbo Lai

doi:10.16578/j.issn.1004.2539.2022.05.012

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Innovative Design and Application of Pitching Movement Transmission Mechanism in Large-scale Wind Tunnel

Design· Calculation | 更新时间：2022-09-24

- Innovative Design and Application of Pitching Movement Transmission Mechanism in Large-scale Wind Tunnel
  增强出版
- Journal of Mechanical Transmission Vol. 46, Issue 5, Pages: 85-92(2022)
- 作者机构：
  
  1.郑州机械研究所有限公司，河南郑州 450052
  2.中国空气动力研究与发展中心，四川绵阳 621000
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.05.012
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游广飞,张德炜,卢志辉等.大尺寸风洞俯仰运动传动机构创新设计及应用[J].机械传动,2022,46(05):85-92.

You Guangfei,Zhang Dewei,Lu Zhihui,et al.Innovative Design and Application of Pitching Movement Transmission Mechanism in Large-scale Wind Tunnel[J].Journal of Mechanical Transmission,2022,46(05):85-92.
游广飞,张德炜,卢志辉等.大尺寸风洞俯仰运动传动机构创新设计及应用[J].机械传动,2022,46(05):85-92. DOI： 10.16578/j.issn.1004.2539.2022.05.012.

You Guangfei,Zhang Dewei,Lu Zhihui,et al.Innovative Design and Application of Pitching Movement Transmission Mechanism in Large-scale Wind Tunnel[J].Journal of Mechanical Transmission,2022,46(05):85-92. DOI： 10.16578/j.issn.1004.2539.2022.05.012.

摘要

针对大尺寸风洞试验中模型支撑机构的关键运动机构设计难点，从工程实用的角度出发，提出了一种基于圆弧运动的新型直线驱动传动模式。该模式实现了有限范围转动的直线驱动功能，并克服了以往运用大尺寸高精度的蜗轮副制造成本高、安装调试难度大等问题。为验证该模式运行的有效性，从机构动力学、机构运动学、控制特性、刚度和强度等方面对其进行了全方位分析。目前，该俯仰运动传动机构的设计已应用于某大型风洞的模型机构上，最大俯仰角位移范围达到了45°，圆弧运动半径达到2 800 mm，整体机构造价较低，易于维护。

Abstract

Aiming at the design difficulties of the key motion mechanism of the model supporting mechanism in the large-scale wind tunnel test， this manuscript proposes a new linear actuation transmission mode based on circular arc motion from the perspective of engineering practicality. This mode realizes the linear actuation function with a limited range of rotation， and overcomes the problems of high manufacturing cost and difficulty in installation and commissioning of large-size and high-precision worm gear pair in the past. To verify the effectiveness of this mode， a comprehensive analysis of the mechanism from aspects of dynamics of mechanism， kinematics of mechanism， control characteristics， stiffness and strength is conducted. At present， the design of the pitching movement transmission mechanism has been applied to the model mechanism of a large wind tunnel. The wind tunnel model has a pitch angle displacement range of 45°， and the radius of the circular motion reaches 2 800 mm. The integrated model features low cost and is easy to maintain.

关键词

风洞模型机构俯仰角直线驱动

Keywords

Wind tunnelModel mechanismPitch angleLinear actuation

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