FIELD: aviation.
SUBSTANCE: invention relates to the structure of the wing box of the aircraft. Wing box comprises the outer rigid power massive frame formed by the front and rear longerons and ribs and outer skin, forming the aerodynamic contour and secured on the outer surface of the frame. In this case, the wing box comprises the inner massive power frame, composed from individual grid power units transversely spaced relative to longerons, that fill the space inside the outer frame and fixed on longerons.
EFFECT: weight reduction and improvement of operational reliability of the aircraft wing, increase in hardness, bending and torsion resistance.
11 cl, 9 dwg
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