SE9703118L - Method and apparatus for detecting gaps in bearings and operating mechanisms of a impeller or rotor with rotatable vanes - Google Patents

Method and apparatus for detecting gaps in bearings and operating mechanisms of a impeller or rotor with rotatable vanes

Info

Publication number
SE9703118L
SE9703118L SE9703118A SE9703118A SE9703118L SE 9703118 L SE9703118 L SE 9703118L SE 9703118 A SE9703118 A SE 9703118A SE 9703118 A SE9703118 A SE 9703118A SE 9703118 L SE9703118 L SE 9703118L
Authority
SE
Sweden
Prior art keywords
rotor
bearings
angular position
impeller
operating mechanisms
Prior art date
Application number
SE9703118A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9703118D0 (en
SE510060C2 (en
Inventor
Sten Hildingsson
Kjell-Erik Vaerlind
Conny Thyberg
Original Assignee
Kvaerner Turbin Ab
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 Kvaerner Turbin Ab filed Critical Kvaerner Turbin Ab
Priority to SE9703118A priority Critical patent/SE510060C2/en
Publication of SE9703118D0 publication Critical patent/SE9703118D0/en
Priority to AU88957/98A priority patent/AU8895798A/en
Priority to PCT/SE1998/001523 priority patent/WO1999012014A1/en
Publication of SE9703118L publication Critical patent/SE9703118L/en
Publication of SE510060C2 publication Critical patent/SE510060C2/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/04—Bearings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Hydraulic Turbines (AREA)
  • Control Of Water Turbines (AREA)

Abstract

The present invention relates to a method for detecting play in bearings and control mechanisms of a runner or rotor with turnable blades. The invention is characterized in that a specific angular position during rotation of the rotor is detected, and that the angular position of the blade points during rotation of the rotor is detected for upwardly directed, and for downwardly directed load acting on the blade points, starting from the specific angular position of the rotor, wherein the difference in angular position for respective blade for upwardly directed and for downwardly directed load is used as a basis for the determination of the play in bearings and control mechanisms of the respective blade. The invention also relates to a device for carrying out of the method.
SE9703118A 1997-08-29 1997-08-29 Method and apparatus for detecting gaps in bearings and operating mechanisms of a impeller or rotor with rotatable vanes SE510060C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9703118A SE510060C2 (en) 1997-08-29 1997-08-29 Method and apparatus for detecting gaps in bearings and operating mechanisms of a impeller or rotor with rotatable vanes
AU88957/98A AU8895798A (en) 1997-08-29 1998-08-26 Method and device for detecting clearance in bearings and control mechanisms of a runner or rotor with swivelling blades
PCT/SE1998/001523 WO1999012014A1 (en) 1997-08-29 1998-08-26 Method and device for detecting clearance in bearings and control mechanisms of a runner or rotor with swivelling blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9703118A SE510060C2 (en) 1997-08-29 1997-08-29 Method and apparatus for detecting gaps in bearings and operating mechanisms of a impeller or rotor with rotatable vanes

Publications (3)

Publication Number Publication Date
SE9703118D0 SE9703118D0 (en) 1997-08-29
SE9703118L true SE9703118L (en) 1999-03-01
SE510060C2 SE510060C2 (en) 1999-04-12

Family

ID=20408078

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9703118A SE510060C2 (en) 1997-08-29 1997-08-29 Method and apparatus for detecting gaps in bearings and operating mechanisms of a impeller or rotor with rotatable vanes

Country Status (3)

Country Link
AU (1) AU8895798A (en)
SE (1) SE510060C2 (en)
WO (1) WO1999012014A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2551801C3 (en) * 1975-11-18 1982-02-18 Kraftwerk Union AG, 4330 Mülheim Auxiliary bearings for determining the radial and axial play of turbine shafts
CH609775A5 (en) * 1976-04-30 1979-03-15 Sulzer Ag
US4887468A (en) * 1988-06-03 1989-12-19 Westinghouse Electic Corp. Nonsynchronous turbine blade vibration monitoring system
US4922757A (en) * 1988-06-13 1990-05-08 Westinghouse Electric Corp. Apparatus for precise detection of blade passing times in a steam turbine
US4934192A (en) * 1988-07-11 1990-06-19 Westinghouse Electric Corp. Turbine blade vibration detection system
EP0710355B1 (en) * 1993-07-20 1998-04-29 Siemens Aktiengesellschaft Monitoring system for representing the states of vibration of a plurality of blades on a rotating wheel

Also Published As

Publication number Publication date
AU8895798A (en) 1999-03-22
WO1999012014A1 (en) 1999-03-11
SE9703118D0 (en) 1997-08-29
SE510060C2 (en) 1999-04-12

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Legal Events

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NUG Patent has lapsed