JPS57186003A - Method of mounting seal sleeve on turbine rotor - Google Patents

Method of mounting seal sleeve on turbine rotor

Info

Publication number
JPS57186003A
JPS57186003A JP6941381A JP6941381A JPS57186003A JP S57186003 A JPS57186003 A JP S57186003A JP 6941381 A JP6941381 A JP 6941381A JP 6941381 A JP6941381 A JP 6941381A JP S57186003 A JPS57186003 A JP S57186003A
Authority
JP
Japan
Prior art keywords
segments
shrinkage
seal sleeve
turbine rotor
thrust bearing
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
JP6941381A
Other languages
Japanese (ja)
Inventor
Hiroshi Yamaguchi
Katsukuni Kuno
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 JP6941381A priority Critical patent/JPS57186003A/en
Publication of JPS57186003A publication Critical patent/JPS57186003A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

PURPOSE:To dispense with the shrinkage fitting of a thrust bearing collar and a coupling flange which have a larger diameter than a seal sleeve, by dividing the seal sleeve into segments at circumferential intervals, coupling the segments together around the shaft of a turbine rotor and shrinkage-fitting the segments on the fitted part of the rotor. CONSTITUTION:A seal sleeve 1 is divided into segments at circumferential intervals. The segments are then made into a ring by welding 5 around a small- diameter part between a thrust bearing collar 3 and a shaft seal 4. The ring is then moved onto the shaft seal 4 and shrinkage-fitted thereon. According to this method, the thrust bearing collar 3 and a coupling flange 7 which have a larger diameter than the sleeve 1 do not need to be shrinkage-fitted. This results in greatly heightening the reliability of the machine.
JP6941381A 1981-05-11 1981-05-11 Method of mounting seal sleeve on turbine rotor Pending JPS57186003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6941381A JPS57186003A (en) 1981-05-11 1981-05-11 Method of mounting seal sleeve on turbine rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6941381A JPS57186003A (en) 1981-05-11 1981-05-11 Method of mounting seal sleeve on turbine rotor

Publications (1)

Publication Number Publication Date
JPS57186003A true JPS57186003A (en) 1982-11-16

Family

ID=13401889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6941381A Pending JPS57186003A (en) 1981-05-11 1981-05-11 Method of mounting seal sleeve on turbine rotor

Country Status (1)

Country Link
JP (1) JPS57186003A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2999967A1 (en) * 2012-12-20 2014-06-27 Alstom Hydro France Method for fixing skirt on turbine shaft of hydraulic machinery, involves moving metal part into zone at another zone of another metal part to fix former metal part on former zone of latter metal part

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2999967A1 (en) * 2012-12-20 2014-06-27 Alstom Hydro France Method for fixing skirt on turbine shaft of hydraulic machinery, involves moving metal part into zone at another zone of another metal part to fix former metal part on former zone of latter metal part

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