FIELD: aviation; helicopter rotor hubs connecting blades with drive shaft.
SUBSTANCE: proposed hub has boss with cantilevers having slots and sleeves received by slot of each cantilever and connected with peripheral part of cantilever through rocker arm and frame and with boss in base of cantilever through articulated support on bracket whose bearing surfaces are engageable with mating upper and lower surfaces of boss. According to first version, bracket has locking projection received by slot of cantilever and engageable with surface of slot. According to second version, bearing surfaces of bracket are interconnected by common locking projection received by slot of cantilever and engageable with surface of slot.
EFFECT: enhanced reliability and strength; increased service life of rotor hub.
5 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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