EP3067523A1 - Système de levage de carter d'échappement de turbomachine et procédé - Google Patents

Système de levage de carter d'échappement de turbomachine et procédé Download PDF

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Publication number
EP3067523A1
EP3067523A1 EP16159455.1A EP16159455A EP3067523A1 EP 3067523 A1 EP3067523 A1 EP 3067523A1 EP 16159455 A EP16159455 A EP 16159455A EP 3067523 A1 EP3067523 A1 EP 3067523A1
Authority
EP
European Patent Office
Prior art keywords
shell portion
flange
exhaust frame
flange section
shell
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
EP16159455.1A
Other languages
German (de)
English (en)
Inventor
Jakub Milosz PUTOWSKI
Sebastian Dariusz GAWLOWSKI
John Williams HERBOLD
Lukasz SAJDAK
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.)
General Electric Technology GmbH
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of EP3067523A1 publication Critical patent/EP3067523A1/fr
Pending legal-status Critical Current

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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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
    • F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/68—Assembly methods using auxiliary equipment for lifting or holding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/72—Maintenance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/02—Transport and handling during maintenance and repair

Definitions

  • the subject matter disclosed herein relates to the art of turbomachines and, more particularly to a turbomachine exhaust frame lifting system and method of lifting an exhaust frame.
  • Turbomachine systems typically include a compressor portion coupled to a turbine portion through a combustor assembly.
  • An exhaust frame may be coupled to an outlet of the turbine portion.
  • the exhaust frame serves as an interface with an exhaust system.
  • the exhaust frame typically includes a lower shell portion and an upper shell portion.
  • the upper shell portion is coupled to the lower shell portion through first and second bolted joints. Occasionally it is desirable to separate the upper shell portion from the lower shell portion to access internal components for maintenance, repair and/or replacement. Separation of the upper shell portion from the lower shell portion to access the internal components requires a crane.
  • an exhaust frame includes a first shell portion including a flange portion, and a second shell portion including a flange section configured to be joined to the flange portion.
  • the second shell portion is spaced from the first shell portion a desired distance.
  • a rail system is mounted to the flange section, and a trolley is mounted to the flange portion.
  • the first shell portion is axially shiftable along the rail system to expose an internal portion of the exhaust frame.
  • a method of lifting and shifting a shell portion of an exhaust frame includes installing one or more lifting members through a flange portion of a first shell portion to a flange section of a second shell portion of the exhaust frame, operating the one or more lifting members separating the first shell portion from the second shell portion a desired distance, installing a trolley on the flange portion of the first shell portion, mounting a rail system to the flange section of the second shell portion, and shifting the first shell portion relative to the second shell portion upon the rail system.
  • Exhaust frame 2 includes a first shell portion 4 and a second shell portion 6.
  • First shell portion 4 is shown as an upper shell while second shell portion 6 is shown as a lower shell.
  • First shell portion 4 includes a first flange portion 8 and a second flange portion 10 ( FIG. 6 ).
  • second shell 6 includes a first flange section 14 and a second flange section 16 ( FIG. 3 ).
  • first flange portion 8 is joined to first flange section 14 to form a first bolted joint (not separately labeled) and second flange portion 10 is joined to second flange section 16 to form a second bolted joint (also not separately labeled).
  • First flange portion 8 includes a plurality of threaded openings, one of which is indicated at 20, and a plurality of unthreaded openings, one of which is indicated at 22.
  • first flange section 14 includes a plurality of threaded openings, one of which is indicated at 25, and a plurality of unthreaded openings 26.
  • mechanical fasteners (not shown) pass through unthreaded openings 22 of first flange portion 8 and engage with threaded openings 25 of first flange section 14 to join first shell portion 4 to second shell portion 6.
  • a first guide member 32 is passed through first flange portion 8 and first flange section 14.
  • a second guide member 34 is also passed through first flange portion 8 and first flange section 14 spaced from first guide member 32.
  • First and second guide members 32 and 34 include first and second collars 36 and 38 respectively. Collars 36 and 38 prevent first and second guide members 32 and 34 from passing completely through first flange portion 8.
  • First and second guide members 32 and 34 may pass through unthreaded openings 22 in first flange portion 8 that register with threaded openings 25 in first flange section 14 in order to maintain a desired alignment between first shell portion 4 and second shell portion 6. It should be understood that additional guide members (not shown) may be passed through second flange portion 10 and second flange section 16.
  • a first lifting member 42 is threaded into one of threaded openings 20 in first flange portion 8 and engages with first flange section 14. In the exemplary embodiment shown, first lifting member 42 engages into an unthreaded opening 26 in first flange section 14.
  • a second lifting member 44 is threaded into another one of threaded openings 20 in first flange portion 8 and engages with first flange section 14. In the exemplary embodiment shown, second lifting member 44 engages into another unthreaded opening 26 in first flange section 14.
  • first and second lifting members 42 and 44 may simply engage an outer surface (not separately labeled) of first flange section 14.
  • First lifting member 42 includes a first end 48, a second end 49 ( FIG. 2 ), and an intermediate portion 50 extending therebetween. Intermediate portion 50 includes a plurality of threads 52 that may engage with one of threaded openings 20.
  • a tool engagement member 54 is arranged at first end 48. Tool engagement member 54 includes a rotating count indicator 56 that enables technicians to determine how many revolutions are imparted to first lifting member 42 during lifting. In this manner, the technicians ensure that first shell portion 4 is lifted evenly to reduce stresses.
  • second lifting member 44 includes a first end 58 a second end 59 ( FIG. 2 ), and an intermediate portion 60 extending therebetween. A plurality of threads 62 are provided on intermediate portion 60.
  • First end 58 includes a tool engagement member 64 having a rotating count indicator 66.
  • first and second lifting members 42 and 44 are rotated causing first shell portion 4 to begin to lift.
  • a cribbing block 70 may be inserted between first flange portion 8 and first flange section 14.
  • Cribbing block 70 may include structure (not shown) that engages with threaded openings 25 and/or unthreaded openings 26. Cribbing block 70 may provide additional support to first flange portion 8 during lifting.
  • first and second lifting members 42 and 44 may be manipulated to further lift first shell portion 4 and another cribbing block 72 is installed upon cribbing block 70.
  • first and second guide members 32 and 34 maintain a desired alignment between first shell portion 4 and second shell portion 6.
  • first shell portion 4 is supported on cribbing blocks 70 and 72 and first and second lifting members 42 and 44 are backed out a distance sufficient to allow insertion of first and second spacers 74 and 76.
  • Spacers may be a single height, such as shown in connection with spacer 74, or may include multiple spacer portions, as shown with spacer 76.
  • first and second lifting members 42 and 44 are threaded back into first flange portion 8 to further lift first shell portion 4 to a desired height, as shown in FIG. 5 .
  • the desired height is about 24 inches (60.96-centimeters).
  • cribbing blocks 70 and 72 are replaced by final cribbing blocks 81 and 82.
  • Final cribbing blocks 81 and 82 include a length substantially equivalent to the desired height and may be retained through mechanical fasteners 84 and 85 respectively.
  • first shell portion 4 is shown supported above second shell portion 6 through final cribbing blocks 81 and 82. Further, second spacer 76 may be replaced with a third spacer 87 that provides additional clearance to enhance access and facilitate shifting first shell portion 4.
  • a trolley 90 is installed to first flange portion 8 and a rail system 94 is installed to first flange section 14.
  • Trolley 90 includes a support plate 104 that is coupled to first flange portion 8 by a plurality of mechanical fasteners, one of which is indicated at 106.
  • a first wheel 108 and a second wheel 109 are connected to support plate 104. At this point, it should be understood that while shown with two wheels 108 and 109, the number of wheels may vary.
  • support plate 104 positions first and second wheels 108 and 109 laterally outwardly of first flange portion 8. It should also be understood, that another trolley 112 is coupled to second flange portion 10.
  • Rail system 94 includes a rail member 116 having a first end portion 118, a second end portion 119, and an intermediate portion 120.
  • Rail member 116 includes a base member 122 and a support member 124 joined by an interconnecting web 126.
  • Support member 124 includes a support surface 129 extending between first end portion 118 and second end portion 119.
  • Support member 124 also includes a first blocking tab 132 extending between first and second end portions 118 and 119 on a first lateral side of support surface 129, and a second blocking tab 133 extending between first and second end portions 118 and 119 on a second, opposing side of support surface 129.
  • First and second blocking tabs 132 and 133 create a guide track for first and second wheels 108 and 109.
  • Base member 122 is coupled to a plurality of brackets 136-139 that are spaced between first end portion 118 and second end portion 119. Brackets 136-139 are secured to base member 122 through a plurality of mechanical fasteners, one of which is indicated at 142. Additional mechanical fasteners, one of which is indicated at 145, secure brackets 136-139 to first flange section 14. In accordance with an aspect of an exemplary embodiment, brackets 136-139 position rail member 116 laterally outwardly of first flange section 14 such that support surface 129 aligns with first and second wheels 108 and 109. It should also be understood that another rail system 150 is coupled to second flange section 16.
  • First and second lifting members 42 and 44 may now be backed out to lower first shell portion 4 onto rail systems 94 and 150. At this point, all lifting members and guide members may be removed and first shell portion 4 shifted along rail systems 94 and 150 to provide access to internal portions of exhaust frame 2. At this point, it should be understood, that the exemplary embodiments provide a system and method for lifting and shifting an exhaust frame shell portion installed in an area that may be inaccessible to cranes or other large lifting devices.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Automatic Assembly (AREA)
EP16159455.1A 2015-03-13 2016-03-09 Système de levage de carter d'échappement de turbomachine et procédé Pending EP3067523A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL411550A PL411550A1 (pl) 2015-03-13 2015-03-13 Układ i sposób podnoszenia ramy wydechowej maszyny turbinowej

Publications (1)

Publication Number Publication Date
EP3067523A1 true EP3067523A1 (fr) 2016-09-14

Family

ID=55650081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16159455.1A Pending EP3067523A1 (fr) 2015-03-13 2016-03-09 Système de levage de carter d'échappement de turbomachine et procédé

Country Status (3)

Country Link
EP (1) EP3067523A1 (fr)
JP (1) JP6769716B2 (fr)
PL (1) PL411550A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3354985B1 (fr) * 2017-01-27 2020-11-25 General Electric Company Appareil et procédé de maintenance de boîte de combustion

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120145976A1 (en) * 2010-12-09 2012-06-14 General Electric Company Casing section lift and transport system
US20120275873A1 (en) * 2011-04-27 2012-11-01 General Electric Company Inner casing vacuum system for a gas turbine engine casing
US20120272496A1 (en) * 2011-04-29 2012-11-01 General Electric Company System and method for lifting a casing section
EP2546475A2 (fr) * 2011-07-15 2013-01-16 General Electric Company Système d'auvent pour protéger une enceinte de turbomachine
KR101251461B1 (ko) * 2012-09-28 2013-04-05 한국플랜트서비스주식회사 터빈 케이스 안전 리프팅 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120145976A1 (en) * 2010-12-09 2012-06-14 General Electric Company Casing section lift and transport system
US20120275873A1 (en) * 2011-04-27 2012-11-01 General Electric Company Inner casing vacuum system for a gas turbine engine casing
US20120272496A1 (en) * 2011-04-29 2012-11-01 General Electric Company System and method for lifting a casing section
EP2546475A2 (fr) * 2011-07-15 2013-01-16 General Electric Company Système d'auvent pour protéger une enceinte de turbomachine
KR101251461B1 (ko) * 2012-09-28 2013-04-05 한국플랜트서비스주식회사 터빈 케이스 안전 리프팅 시스템

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Publication number Publication date
JP6769716B2 (ja) 2020-10-14
PL411550A1 (pl) 2016-09-26
JP2016183669A (ja) 2016-10-20

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Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH