JPS57151841A - Apparatus for monitoring remaining life of turbine rotor - Google Patents

Apparatus for monitoring remaining life of turbine rotor

Info

Publication number
JPS57151841A
JPS57151841A JP3644381A JP3644381A JPS57151841A JP S57151841 A JPS57151841 A JP S57151841A JP 3644381 A JP3644381 A JP 3644381A JP 3644381 A JP3644381 A JP 3644381A JP S57151841 A JPS57151841 A JP S57151841A
Authority
JP
Japan
Prior art keywords
crack
detector
turbine rotor
detecting
remaining life
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.)
Granted
Application number
JP3644381A
Other languages
Japanese (ja)
Other versions
JPS6345532B2 (en
Inventor
Kiyoshi Saito
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP3644381A priority Critical patent/JPS57151841A/en
Publication of JPS57151841A publication Critical patent/JPS57151841A/en
Publication of JPS6345532B2 publication Critical patent/JPS6345532B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G07C3/02—Registering or indicating working or idle time only
    • G07C3/04—Registering or indicating working or idle time only using counting means or digital clocks

Abstract

PURPOSE:To quantitatively monitor for certain the dimensions of a crack produced in a turbine rotor and the position where it has occurred by a method wherein a position detector, detectors for detecting the length and area of the crack and the like simultaneously with the use of the AE method and eddy flaw detection method are installed. CONSTITUTION:The main body of an apparatus for monitoring the remaining life of a turbine rotor consists of a position detector 1; a detector for detecting the length of a crack 2; a detector for detecting the area of the crack 3; a remaining life computer 4; and an alarm 5. The position detector 1 moves an eddy flaw detection element 8 inserted into a central hole 7 made in the center of a turbine rotor 6 so as to detect the position of the element 8 in the turbine rotor 6. In addition, the detector 2 for detecting the length of a crack receives a signal given by the element 8 and the position detector 1 and computes the length of the crack, while the detector 3 for detecting the area of the crack computes the area of the crack using the output signal given by the AE detection element 9. Thus the remaining life can be quantitatively monitored for certain.
JP3644381A 1981-03-16 1981-03-16 Apparatus for monitoring remaining life of turbine rotor Granted JPS57151841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3644381A JPS57151841A (en) 1981-03-16 1981-03-16 Apparatus for monitoring remaining life of turbine rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3644381A JPS57151841A (en) 1981-03-16 1981-03-16 Apparatus for monitoring remaining life of turbine rotor

Publications (2)

Publication Number Publication Date
JPS57151841A true JPS57151841A (en) 1982-09-20
JPS6345532B2 JPS6345532B2 (en) 1988-09-09

Family

ID=12469947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3644381A Granted JPS57151841A (en) 1981-03-16 1981-03-16 Apparatus for monitoring remaining life of turbine rotor

Country Status (1)

Country Link
JP (1) JPS57151841A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0915187A (en) * 1995-06-27 1997-01-17 Ishikawajima Harima Heavy Ind Co Ltd Apparatus for preventing destruction of rotation testing member
JP2001356081A (en) * 2000-06-15 2001-12-26 Mitsubishi Heavy Ind Ltd Loaded object testing apparatus due to centrifugal force
JP2002062901A (en) * 2000-08-18 2002-02-28 Toshiba Corp Plant operation control device, plant operation control method and storage medium storing plant operation control program
JP2010108656A (en) * 2008-10-28 2010-05-13 Panasonic Electric Works Co Ltd Electromagnetic relay
JP2018146385A (en) * 2017-03-06 2018-09-20 三菱重工業株式会社 Blade monitoring device and rotating machine system
JP6789452B1 (en) * 2020-01-22 2020-11-25 三菱電機株式会社 Crack estimation device, crack estimation method, crack inspection method and failure diagnosis method
JPWO2021152811A1 (en) * 2020-01-31 2021-08-05

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0915187A (en) * 1995-06-27 1997-01-17 Ishikawajima Harima Heavy Ind Co Ltd Apparatus for preventing destruction of rotation testing member
JP2001356081A (en) * 2000-06-15 2001-12-26 Mitsubishi Heavy Ind Ltd Loaded object testing apparatus due to centrifugal force
JP2002062901A (en) * 2000-08-18 2002-02-28 Toshiba Corp Plant operation control device, plant operation control method and storage medium storing plant operation control program
JP2010108656A (en) * 2008-10-28 2010-05-13 Panasonic Electric Works Co Ltd Electromagnetic relay
JP2018146385A (en) * 2017-03-06 2018-09-20 三菱重工業株式会社 Blade monitoring device and rotating machine system
JP6789452B1 (en) * 2020-01-22 2020-11-25 三菱電機株式会社 Crack estimation device, crack estimation method, crack inspection method and failure diagnosis method
WO2021149170A1 (en) * 2020-01-22 2021-07-29 三菱電機株式会社 Crack estimation device, crack estimation method, crack inspection method, and failure diagnosis method
JPWO2021152811A1 (en) * 2020-01-31 2021-08-05
WO2021152811A1 (en) * 2020-01-31 2021-08-05 三菱電機株式会社 Crack estimation device, fault diagnosis device, method for estimating crack, and method for diagnosing fault in dynamo-electric machine

Also Published As

Publication number Publication date
JPS6345532B2 (en) 1988-09-09

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