FIELD: machine building.
SUBSTANCE: invention can be used for axial fixation of turbine blade relative to rotor disk. Blade has body, a flange and tail part, as well as locking pin. Tail part of blade can be arranged in mount seat of rotor disk, and locking pin is located between tail part and disk. Locking pin comprises radially arranged first protrusion and second protrusion. On blade root part there is a first slot to receive first protrusion to lock, and on rotor disk there is a second slot to receive second protrusion with possibility of locking.
EFFECT: simple and efficient locking system for fixation of blade relative to rotor disk.
10 cl, 3 dwg
