JPS5746005A - Moving blade coupling device - Google Patents

Moving blade coupling device

Info

Publication number
JPS5746005A
JPS5746005A JP12110680A JP12110680A JPS5746005A JP S5746005 A JPS5746005 A JP S5746005A JP 12110680 A JP12110680 A JP 12110680A JP 12110680 A JP12110680 A JP 12110680A JP S5746005 A JPS5746005 A JP S5746005A
Authority
JP
Japan
Prior art keywords
moving blade
blade
hole
bind wire
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP12110680A
Other languages
Japanese (ja)
Inventor
Masao Furukawa
Takeshi Onoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12110680A priority Critical patent/JPS5746005A/en
Publication of JPS5746005A publication Critical patent/JPS5746005A/en
Pending legal-status Critical Current

Links

Landscapes

  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

PURPOSE: To reduce stress of a bind wire and thereby prevent breakage by inclining the axis of a hole, through which the bind wire is inserted into the moving blade of a turbine, from the axis of the blades for an angle corresponding to the expected return of the twist of blade.
CONSTITUTION: A through hole 15 excavated in a moving blade of a turbine has an inclination θ from the axis of blades, 8, viewed when the blade is at a standstill. The twist of blade 1 is returned during rotation for an angle of θ, corresponding to the set angle at the standstill. Accordingly, the center line 9 of the hole 15 will be identical to the center line 10 of the bind wire. Thus one-slided contact of the bind wire with the hole on moving blade side can be prevented, that will give a higher strength to the bind wire as well as enhance the reliability.
COPYRIGHT: (C)1982,JPO&Japio
JP12110680A 1980-09-03 1980-09-03 Moving blade coupling device Pending JPS5746005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12110680A JPS5746005A (en) 1980-09-03 1980-09-03 Moving blade coupling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12110680A JPS5746005A (en) 1980-09-03 1980-09-03 Moving blade coupling device

Publications (1)

Publication Number Publication Date
JPS5746005A true JPS5746005A (en) 1982-03-16

Family

ID=14803021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12110680A Pending JPS5746005A (en) 1980-09-03 1980-09-03 Moving blade coupling device

Country Status (1)

Country Link
JP (1) JPS5746005A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4699569A (en) * 1985-07-05 1987-10-13 Bbc Brown, Boveri & Company, Limited Rotor blade ring of an axial flow turbomachine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4699569A (en) * 1985-07-05 1987-10-13 Bbc Brown, Boveri & Company, Limited Rotor blade ring of an axial flow turbomachine

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