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Volume 40 Issue 8
Aug.  2014
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Journal of Beijing University of Aeronautics and Astronautics  > 2014  >  40(8): 1127-1133.
Bao Xiaoxiang, Zhang Yunfei, Yang Xiaoshuet al. Design of a novel folding wing mechanism[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(8): 1127-1133. doi: 10.13700/j.bh.1001-5965.2013.0462(in Chinese)
Citation: Bao Xiaoxiang, Zhang Yunfei, Yang Xiaoshuet al. Design of a novel folding wing mechanism[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(8): 1127-1133. doi: 10.13700/j.bh.1001-5965.2013.0462(in Chinese)
shu

Design of a novel folding wing mechanism

doi: 10.13700/j.bh.1001-5965.2013.0462

  • 1. 11th General Design Department, China Academy of Aerospace Aerodynamics, Beijing 100074, China;

  • 2. School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 12 Aug 2013
  • Publish Date: 20 Aug 2014
    Abstract
  • In order to reduce the spanwise size of some aircraft (such as shipboard aircraft, unmanned aerial vehicle, flying car and so on) for saving the storage and transportation space, a novel folding wing mechanism was designed. It consists of three components (an inboard wing, a middle wing and an outboard wing) and can fold twice. The folding mechanism was designed with link mechanism. Then, the kinematics differential equations were established with the simplified kinematics model (without aerodynamic load on ground) to analyze its motion characteristics. The simulation software of multi-body dynamics was used to analyze its dynamics. Torsion spring was used around the hinge between inboard wing and middle wing to improve performance of the drive system. Finally, experiment was done. The result corresponds with the computer simulation very well. The novel folding wing mechanism can reduce the spanwise size of the aircraft remarkably, and the fold/extension motion is smooth and steady.

     

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