FIELD: engines and pumps.
SUBSTANCE: joint between compressor rotors and gas turbine engine turbine comprises compressor journal, turbine shaft and location tube locked axially and radially. Compressor journal and turbine shaft are axially coupled by countershaft, coupling bush and adjustment element composed of threaded sleeve and, over periphery, by splined countershaft. Coupling sleeve is radially locked by spline joint relative to locating tube. Compressor rotor journal is axially coupled with countershaft by tightening bolt while turbine shaft is coupled with countershaft. Threaded bush is fitted in turbine shaft threaded bore and locked in countershaft. Threaded bush and coupling sleeve have ledges in contact by end location surfaces to limit relative axial shift of threaded bush and coupling sleeve. Tightening bolt is splined at locating tube.
EFFECT: aligned shafts of compressor and turbine, easier assembly.
4 cl, 1 dwg
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RU2211345C1 |
