JPS59130001U

JPS59130001U - turbine rotor

Info

Publication number: JPS59130001U
Application number: JP1674983U
Authority: JP
Inventors: 透村上
Original assignee: 株式会社東芝
Priority date: 1983-02-09
Filing date: 1983-02-09
Publication date: 1984-08-31

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来のタービンロー夕を示す縦断面図、第２図
はキ一部に発生する応力腐食割れを示す縦断面図、第３
図は本考案の一実施例のタービンロータを示す縦断面図
、第４図は第３図のラジアルキ一部を拡大して示す縦断
面図、第５図は第４図の■−■線に沿う横断面図、第６
図はホイールの応力状態を示す応力分布図、第７図はホ
イールの温度状態を示す温度分布図である。１・・・シャフト、２・・・羽根、３・・・ホイール、
４・・・ホイールボアキー、８．１０・・・、２・・・
羽根、３・・・ホイール、４・・・ホイールボアキー、
８．１０・・・ラジアルキー、９・・・突部、１２・・
・ホイールハブ部。Figure 1 is a vertical cross-sectional view showing a conventional turbine rotor, Figure 2 is a vertical cross-sectional view showing stress corrosion cracking that occurs in a part of the
The figure is a longitudinal sectional view showing a turbine rotor according to an embodiment of the present invention, FIG. Cross-sectional view along, No. 6
The figure is a stress distribution diagram showing the stress state of the wheel, and FIG. 7 is a temperature distribution diagram showing the temperature state of the wheel. 1...shaft, 2...blade, 3...wheel,
4...Wheel bore key, 8.10..., 2...
Blade, 3...Wheel, 4...Wheel bore key,
8.10...Radial key, 9...Protrusion, 12...
・Wheel hub part.

Claims

[Scope of utility model registration request]

A turbine rotor comprising a wheel having blades fitted onto a shaft, characterized in that a protrusion is formed integrally with the shaft, and a side surface of the protrusion and a side surface of the wheel are connected by a key. Rotor.