| 摘要 |
PROBLEM TO BE SOLVED: To provide a turbine moving blade holding structure capable of preventing high temperature combustion gas from leaking onto the secondary air side of a disc in a turbine moving blade and the disc. SOLUTION: This turbine moving blade holding structure is provided with the rotatable disc 5 and a plurality of turbine moving blades 8 attached to outer periphery of the disc 5, the disc 5 is provided with a plurality of fitting grooves 6 provided at a predetermined interval along the peripheral direction and a support part 7 formed between adjacent fitting grooves 6, the turbine moving blade 8 is provided with platforms 9, 10 fitted in the fitting grooves 6 of the disc 5 and a turbine moving blade main body protruding outward in the radial direction of the disc from the platforms 9, 10, and a thermal insulation material 20 is filled into a clearance 13 between the support part 7 of the disc 5 and the platforms 9, 10 of the turbine moving blade 8.
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