| 摘要 |
A turbine blade locking device for axial retention of a turbine blade ( 1 ) having a blade root ( 3 ) inserted in an axially extending profiled lobe slot ( 5 ) of a turbine disk ( 4 ), wherein, a sealing fin of a blade platform ( 10 ) includes, over part of its axial length, a retaining groove ( 6 ) featuring a semicircular cross-section, a disk lobe ( 7 ) of the turbine disk ( 4 ) is provided with a semi-spherical recess ( 8 ), and a ball ( 2 ) is fitted into the recess ( 8 ) and the retaining groove ( 6 ).
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