折叠式飞行器机翼在空中展开过程中，机翼展开装置工况多变，机翼受力情况复杂，因此对展开装置提出了较高的技术要求。本文结合工程实践，对机翼展开过程、机翼展开过程中的受力分析等问题进行讨论，并总结了展开装置的主要设计特点及关键部件的设计难点。%When the wings of folding-wing-aircraft unfolding in the air, the status of the unfolding device are changeable and the forces on the wing are complicated, these for the unfolding device put fore-word a higher technical requirement.In this paper, the expansion process and the forces on the wings during the expansion process are analyzed integrating with the engineering practice.The principle design feature of unfolding device along with the aporia of the design of critical component is then summarized.
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