FIELD: power engineering.
SUBSTANCE: mechanism to rotate blades of a wind wheel comprises a hub with bushings installed on it radially to the longitudinal axis and having rods equipped with gears, fixed to bases of blades, a spring-loaded sleeve with geared racks, connected with the hub as capable of longitudinal displacement. The sleeve additionally comprises a stop and a spacer spring with rollers, besides, rollers spring-loaded with the spacer spring limit the reciprocal stroke of the hub.
EFFECT: improved reliability of a mechanism for rotation of blades by differentiation of a force applied for motion of a hub relative to a sleeve, which makes it possible to smoothen longitudinal movements of a hub in process of churlish blasts.
1 dwg
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|---|---|---|---|
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