FR3128264B1 - Improved device and method for centering an annular assembly of a planetary gearbox - Google Patents

Improved device and method for centering an annular assembly of a planetary gearbox Download PDF

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Publication number
FR3128264B1
FR3128264B1 FR2110936A FR2110936A FR3128264B1 FR 3128264 B1 FR3128264 B1 FR 3128264B1 FR 2110936 A FR2110936 A FR 2110936A FR 2110936 A FR2110936 A FR 2110936A FR 3128264 B1 FR3128264 B1 FR 3128264B1
Authority
FR
France
Prior art keywords
flange
positioning means
angular positioning
planetary gearbox
centering
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.)
Active
Application number
FR2110936A
Other languages
French (fr)
Other versions
FR3128264A1 (en
Inventor
Izquierdo Juan-Luis Marcos
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.)
Safran Transmission Systems SAS
Original Assignee
Safran Transmission Systems SAS
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 Safran Transmission Systems SAS filed Critical Safran Transmission Systems SAS
Priority to FR2110936A priority Critical patent/FR3128264B1/en
Publication of FR3128264A1 publication Critical patent/FR3128264A1/en
Application granted granted Critical
Publication of FR3128264B1 publication Critical patent/FR3128264B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels
    • F16H1/2827—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels by allowing limited movement of the planet carrier, e.g. relative to its shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • F16H57/082—Planet carriers
    • 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
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02021—Gearboxes; Mounting gearing therein with means for adjusting alignment

Abstract

Dispositif et procédé améliorés pour le centrage d’ensemble annulaire de réducteur planétaire Ensemble annulaire pour réducteur planétaire s’étendant autour d’un axe central, comprenant une première pièce annulaire (110) ayant une première bride (112), et une deuxième pièce annulaire (120) ayant une deuxième bride (122) fixée à la première bride par l’intermédiaire de moyens de fixation (130) traversant des alésages (116, 126) répartis circonférentiellement autour de l’axe central et traversant la première bride et la deuxième bride, la première bride (112) comprenant au moins un premier moyen de positionnement angulaire (114) et la deuxième bride (122) comprenant au moins un deuxième moyen de positionnement angulaire (124) associé à l’au moins un premier moyen de positionnement angulaire (114), le premier et le deuxième moyen de positionnement angulaire étant distincts des moyens de fixation et des alésages, et une surface du premier moyen de positionnement angulaire (114) étant en contact avec une surface du deuxième moyen de positionnement angulaire (124) dans une direction azimutale. Figure pour l’abrégé : Fig. 3.Improved device and method for centering an annular assembly of a planetary gearbox An annular assembly for a planetary gearbox extending about a central axis, comprising a first annular part (110) having a first flange (112), and a second annular part (120) having a second flange (122) fixed to the first flange by means of fixing means (130) passing through bores (116, 126) distributed circumferentially around the central axis and passing through the first flange and the second flange, the first flange (112) comprising at least one first angular positioning means (114) and the second flange (122) comprising at least one second angular positioning means (124) associated with the at least one first positioning means angular positioning means (114), the first and second angular positioning means being distinct from the fixing means and the bores, and a surface of the first angular positioning means (114) being in contact with a surface of the second angular positioning means (124 ) in an azimuthal direction. Figure for abstract: Fig. 3.

FR2110936A 2021-10-14 2021-10-14 Improved device and method for centering an annular assembly of a planetary gearbox Active FR3128264B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2110936A FR3128264B1 (en) 2021-10-14 2021-10-14 Improved device and method for centering an annular assembly of a planetary gearbox

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2110936 2021-10-14
FR2110936A FR3128264B1 (en) 2021-10-14 2021-10-14 Improved device and method for centering an annular assembly of a planetary gearbox

Publications (2)

Publication Number Publication Date
FR3128264A1 FR3128264A1 (en) 2023-04-21
FR3128264B1 true FR3128264B1 (en) 2024-02-09

Family

ID=78828101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2110936A Active FR3128264B1 (en) 2021-10-14 2021-10-14 Improved device and method for centering an annular assembly of a planetary gearbox

Country Status (1)

Country Link
FR (1) FR3128264B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2853382B1 (en) 2003-04-04 2006-04-28 Hispano Suiza Sa FLEXIBLE BONDING SYSTEM BETWEEN A SATELLITE HOLDER AND THE FIXED SUPPORT IN A SPEED REDUCER
EP2584153B1 (en) * 2011-10-17 2019-01-09 United Technologies Corporation Gas turbine engine and method of disassembly
US9017010B2 (en) * 2012-01-31 2015-04-28 United Technologies Corporation Turbomachine geared architecture support assembly
US9163522B2 (en) * 2012-08-21 2015-10-20 United Technologies Corporation Spring carrier and removable seal carrier

Also Published As

Publication number Publication date
FR3128264A1 (en) 2023-04-21

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