FIELD: aviation.
SUBSTANCE: invention relates to aircraft engineering. Device for opening rotary flap opening in airframe of aircraft comprises remotely controlled multi-link mechanism of opening fold and lock locking flap, holding it in closed position. Flap opening mechanism comprises tension spring (4), a spring tensioning mechanism (5), double-arm rocker (6) fixed on glider structure (7) with possibility of rotation, and tie-rod (8), which is pivotally connected by one end (9) to first arm (10) of rocking arm (6), and second (11) – with rotary flap (1). Tension spring (4) is pivotally connected by first end (12) to second arm (13) of rocker (6), and by second (14) – to actuating element (15) of the tension mechanism of spring (5). Spring tensioning mechanism (5) is designed to hold stretched spring (5).
EFFECT: invention is aimed at reducing opening time of the opening flap, increasing durability and failure-free operation.
3 cl, 6 dwg
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