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    • 2. 发明公开
    • Wing panel and aircraft main wing
    • TRAGFLÄCHEUNDFLUGZEUGFLÜGEL
    • EP2489590A1
    • 2012-08-22
    • EP12153801.1
    • 2012-02-03
    • Mitsubishi Aircraft Corporation
    • Motohashi, HidetoHosokawa, YoshifumiFujii, Toshinari
    • B64C3/18B64C1/12
    • B21D31/06B64C1/12B64C3/182B64F5/10
    • There is provided a wing panel having improved formability at the time when the wing panel is curvedly formed by the peen forming method, and an aircraft main wing provided with the said wing panel. For a stringer member 20, a base part 21 is formed, and the neutral axis position N in the cross-sectional direction is located on the wing panel 11 side from the center position C in the height direction of a web part 22. When the peen forming method is carried out by projecting metal shots to a portion near a flange part 23 in the tip end portion of the stringer member 20, the tensile strain developing in the portion near a flange part 23 acts in a state in which the moment length around the neutral axis position N is kept long. As a result, the compressive strain developing in the base part 21 and the wing panel 11 is in inverse proportion to the moment length around the neutral axis position N so as to attempt to balance with the tensile strain, so that the wing panel 11 is deformed at a small radius of curvature.
    • 提供了一种翼板,其在翼板通过喷丸成形方法弯曲形成时具有改进的成形性,以及设置有所述翼板的飞机主翼。 对于纵梁构件20,形成基部21,并且横截面方向上的中性轴线位置N在腹板部22的高度方向上位于中心位置C的翼板11侧。当 通过将金属镜头投射到纵梁构件20的前端部分中的凸缘部23附近的部分进行喷丸成形方法,在凸缘部23附近的部分中产生的拉伸应变作用在其中力矩长度 围绕中立轴位置N保持很长。 结果,在基部21和翼板11中产生的压缩应变与中立轴线位置N周围的力矩成反比,以试图与拉伸应变平衡,使得翼板11为 在小的曲率半径处变形。
    • 4. 发明公开
    • Vent stringer and aircraft main wing
    • Flugzeugflügelmit integrierterEntlüftungsleitung
    • EP2479109A1
    • 2012-07-25
    • EP12150746.1
    • 2012-01-11
    • Mitsubishi Aircraft Corporation
    • Motohashi, HidetoHosokawa, YoshifumiFujii, ToshinariFukuoka, Toshiyasu
    • B64D37/06B64C3/18
    • B64C3/182B64D37/06
    • There is provided a vent stringer which has improved lightning protection capability and by which a wing can be manufactured efficiently and accurately, and an aircraft main wing provided with the vent stringer. A vent stringer 20 is formed by a pair of ribs 21 rising in the direction perpendicular to an inner surface 11a of a wing panel 11, and a cover 22 provided in the tip end portions of the ribs 21. Since rivets 23 are not exposed to an outer surface 11b of the wing panel 11, a spark is prevented from occurring in a fuel tank 30, which is provided in a main wing 10, through the rivet 23 at the time of a lightning strike. Further, since the rib 21 is formed by being machined integrally with the wing panel 11, the rib 21 is formed with high accuracy so as to match the curved shape of the wing panel 11. On the other hand, the cover 22 has only to be formed by curving a strap member so as to match the shapes of the wing panel 11 and the ribs 21.
    • 提供了一种具有改进的防雷能力的排气纵梁,并且能够高效准确地制造机翼,以及设有排气纵梁的飞机主翼。 排气纵梁20由在翼板11的内表面11a垂直的方向上上升的一对肋21和设置在肋21的前端部的盖22形成。由于铆钉23不暴露于 翼片11的外表面11b,在雷击时通过铆钉23防止在设置在主翼10中的燃料箱30中发生火花。 此外,由于通过与翼板11一体地加工而形成肋21,所以肋21被形成为具有与翼板11的弯曲形状相匹配的高精度。另一方面,盖22仅具有 通过弯曲带部件以使翼板11和肋21的形状相匹配来形成。