| 摘要 |
FIELD: machine building.SUBSTANCE: distributor for turbine contains regulating ring, multiple guide vanes and multiple assemblies to connect guide vanes with the regulating ring. Each of the guide vanes is made with possibility of orientation by means of the regulating ring. Each connecting assembly contains destruction element made with possibility of destruction and detachment of the guide vane from the regulating ring in case of the excessive loads. Each connecting assembly contains device for movement braking of the appropriate guide vane in case of its disconnection from the regulating ring. The brake device contains brake casing and brake part connected with each other by means of the destruction element, and brake pad located between the brake casing and brake part. The brake part is pressed ring surrounding the brake casing and containing element to regulate the pressed ring tightening. The other invention of the group relates to the Francis turbine containing the above distributor.EFFECT: group of inventions ensures reliable deacceleration of uncontrolled rotation of the free guide vane.7 cl, 4 dwg |
