FIELD: wind power engineering.
SUBSTANCE: invention can be used in windwheel blade turning mechanisms, particularly, to control operation of windmills with high-speed windwheels. Proposed blade turning mechanism has nub with bushings with rods fitted on outer part of hub radially relative to longitudinal axis. Peripheral parts of bushings are stationarily coupled with bases of blades. Spring-loaded cup is arranged inside hub, being connected with hub for longitudinal displacement and furnished with toothed racks whose number corresponds to number of blades of windwheel and gears secured on inner side of rods.
EFFECT: reduced time taken by windwheel to pick up required speed.
1 dwg
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