DEVICE FOR ADJUSTING GUIDE VANES AND A TURBOMACHINE Russian patent published in 2018 - IPC F01D17/00 

FIELD: machine building.

SUBSTANCE: present invention relates to a device for adjusting guide vanes of a turbomachine for turning around a radial axis of guide vanes of a plurality of guide vanes which are grouped into a ring of guide vanes. Specified device for adjusting guide vanes comprises drive shaft (26) and control ring (27), transmitting rotation of drive shaft (26) to guide vanes (21) for turning said guide vanes. Drive shaft (26) is directly connected to one of guide vanes (21) in such a way that said guide vane can be directly rotated, without the intervention of control ring (27), by drive shaft (26). Drive shaft (26) or guide vane (21), which can be directly driven by drive shaft (26), is pivotally connected to control ring (27) by means of transmission lever (28). Drive shaft (26) is indirectly connected to other guide vanes (21), so that the other guide vanes of the ring of the guide vanes can be rotated indirectly through control ring (27) by drive shaft (26). Guide vanes (21), which can be indirectly driven by drive shaft (26), are pivotally connected to control ring (27) by means of additional transmission levers (29), wherein control ring (27) can move in the circumferential direction and axial direction.

EFFECT: device for adjusting guide vanes and a turbomachine are proposed.

8 cl, 14 dwg