To provide an unmanned aircraft in which a frame body covering an airframe is resistant to a damage to imaging or the like and flight stability with respect to an inertial force generated in the frame body is high.SOLUTION: An unmanned aircraft 1 has a plurality of rotary vanes 2. The unmanned aircraft 1 comprises an airframe 3 and a frame body 5. The airframe 3 has a fuselage 4 and a rotary vane 2. The frame body 5 covers the airframe 3. The frame body 5 has a rectangular solid outer shape constituted of a plurality of long frame materials. The frame body 5 is supported on the fuselage 4 via an anisotropic flexible part 7 having flexibility. The anisotropic flexible part 7 transmits a load of the frame body 5 to the fuselage 4. The anisotropic flexible part 7 is distorted through elastic deformation by a horizontal force or a longitudinal force applied to the frame body 5, and distortion easiness of the horizontal and longitudinal directions can be set to different sizes.SELECTED DRAWING: Figure 3
【課題】機体を覆う枠体が撮像等に支障し難く、その枠体に生じる慣性力に対する飛行の安定性が高い無人航空機を提供する。【解決手段】無人航空機1は、複数の回転翼2を有する。無人航空機1は、機体3と、枠体5とを備える。機体3は、胴体4及び回転翼2を有する。枠体5は、機体3を覆う。枠体5は、複数の長尺状の枠材で構成された直方体の外形を有する。枠体5は、可撓性を有する異方性可撓部7を介して胴体4に支持される。異方性可撓部7は、枠体5の荷重を胴体4に伝達する。異方性可撓部7は、枠体5に加わる左右方向の力によっても前後方向の力によっても弾性変形によって撓み、左右方向と前後方向の撓みやすさを異なる大きさに設定可能である。【選択図】図3
UNMANNED AIRCRAFT
無人航空機
2022-08-08
Patent
Elektronische Ressource
Japanisch
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