FIELD: aviation.
SUBSTANCE: invention relates to the field of aviation, in particular to the designs of helicopter transmissions. Helicopter transmission of rotor coaxial configuration comprises support mast, distribution cage, hydraulic motors, on output shafts of which drive gears are installed, driven gears rigidly fixed on rotor sleeves, hydraulic pump, working fluid distributor, hydraulic propulsive engine hydraulic motor. Sleeves of upper and lower rotors are installed on common mast on bearing supports. Supporting mast is installed on fuselage of helicopter on fixture allowing its overturning in parking without break of communication with other transmission units.
EFFECT: higher reliability and resource of loaded assemblies of drive system, potential redistribution of power between rotors and propulsor.
1 cl, 3 dwg
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|
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