WO2010112302A1 - Train planétaire avec élément d'accouplement - Google Patents

Train planétaire avec élément d'accouplement Download PDF

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Publication number
WO2010112302A1
WO2010112302A1 PCT/EP2010/052936 EP2010052936W WO2010112302A1 WO 2010112302 A1 WO2010112302 A1 WO 2010112302A1 EP 2010052936 W EP2010052936 W EP 2010052936W WO 2010112302 A1 WO2010112302 A1 WO 2010112302A1
Authority
WO
WIPO (PCT)
Prior art keywords
coupling element
planet carrier
planetary
planetary drive
central axis
Prior art date
Application number
PCT/EP2010/052936
Other languages
German (de)
English (en)
Inventor
Thorsten Biermann
Philip Wurzberger
Original Assignee
Schaeffler Technologies Gmbh & Co. Kg
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 Schaeffler Technologies Gmbh & Co. Kg filed Critical Schaeffler Technologies Gmbh & Co. Kg
Publication of WO2010112302A1 publication Critical patent/WO2010112302A1/fr

Links

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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/3023—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure
    • F16H63/3026—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure comprising friction clutches or brakes
    • 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

Definitions

  • the invention relates to a planetary drive with at least one coupling element having at least elements such as at least one sun gear, at least one planet carrier and at least one set of planetary gears and by the coupling element rotationally coupled to one of the elements and rotatably mounted with these about the central axis of the planetary drive.
  • a planetary gear which has a sun gear, two planet carrier and planetary gears. Furthermore, the planetary drive is coupled with two clutches.
  • One of the clutches is formed of an outer coupling element, a plurality of coupling plates and an inner coupling element.
  • the outer coupling element is provided with axially aligned guideways. In these guideways, part of the clutch plates is supported radially outward.
  • the coupling plates are arranged around the central axis of the planetary drive relative to the outer coupling element against rotation and axially displaceable on this. Axial means rectified with the central axis of the planetary drive.
  • the inner coupling element has externally axially aligned guideways. Another part of the clutch plates is mounted radially inwardly on the inner coupling element.
  • the coupling plates are rotatably mounted about the central axis but axially displaceable on the inner coupling element.
  • the outer coupling element is a pot-shaped and rotationally symmetrical hollow body.
  • the hollow body has on one side a substantially radially aligned and punched bottom part and is supported with this radially towards the central axis. Radial means in any direction perpendicular to the central axis.
  • the outer coupling element is rotationally coupled to one of the planet carrier.
  • the planet carrier is rotatably mounted about the central axis of the planetary drive.
  • the outer coupling element with the planet carrier is rotatable about the central axis.
  • the guideways are incorporated in the circumferential edge of the cup-shaped part of the coupling element.
  • the inner coupling element is a cup-shaped and rotationally symmetrical body, which is supported only on one side with its substantially radially aligned and perforated bottom part radially on the sun gear.
  • the inner coupling element is rotatable with the sun gear about the central axis.
  • the second clutch is like the first clutch also designed as a multi-plate clutch.
  • the guideways for a package clutch plates are externally formed on a so-called ring holding element, which forms the inner coupling element in this case.
  • the outer coupling element is formed on a housing of the gear arrangement. In Ringhalteelement sits a so-called ring gear.
  • the ring gear commonly referred to as a ring gear.
  • the ring gear is positively locked to the ring holding element against rotation and axially secured.
  • the ring holding member is rotatably mounted radially and axially about the central axis, so that the coupling element is rotatable with the ring gear about the central axis.
  • the object of the invention is therefore to provide a planetary drive with at least one clutch, with which the aforementioned disadvantages are avoided.
  • the planetary drive according to the invention has at least the elements such as at least one sun gear, at least one planet carrier and at least one set planetary gears.
  • the planetary drive can also have at least one ring gear and further planetary gear stages.
  • a coupling element optionally an inner coupling element and / or an outer coupling element, coupled to one of the elements and rotatably mounted with these about the central axis of the planetary drive.
  • the coupling element in the form of the guide tracks is formed integrally with one of the elements.
  • the element with which the coupling element is integrally formed which is preferably a planet carrier according to one embodiment of the invention, together with the coupling element is preferably a non-cutting made of sheet metal component.
  • the cup-shaped component with the guide tracks for the coupling plates can be produced simply by pulling, embossing and punching.
  • One-piece is einmaterialig example, made of a sheet metal, forged or F Strukturpressrohling.
  • the advantage of the invention is that such a unit of an element of the planet carrier is easy and inexpensive to produce.
  • the number of individual parts of the planetary drive is reduced.
  • the planetary drive can be produced with little effort with higher accuracy.
  • the coupling element is formed integrally with the planet carrier, this is preferably designed as a pot-shaped component with a bottom and with a circumferentially extending around the central axis of the planetary gear extending edge.
  • the planets of the planetary gear set are mounted radially and axially on the perforated bottom of this cup-shaped part.
  • the guideways for the coupling plates of the coupling are formed in the edge.
  • the guideways are limited, for example, by toothing-like alternately inwardly and outwardly projecting radial projections, which are made by cold forming of steel.
  • Such trained with the planet carrier coupling element is preferably an outer coupling element on which the guide tracks are formed radially inward.
  • the clutch plates sit radially outward on the edge of the inner clutch element in this case.
  • one of the elements of the planetary drive which is formed integrally with a coupling element, is a sun gear.
  • the coupling element is preferably an inner coupling element on which the guide tracks are formed radially on the outside.
  • the ring gear of the planetary drive is formed integrally with a coupling element.
  • the guideways are formed either inside or outside, so that the coupling element is an inner or outer coupling element.
  • a further embodiment of the invention relates to a planetary drive with two planet carriers, in which at least one planetary gear set is received between the planet carriers.
  • One of the planet carrier is formed integrally with the coupling element.
  • At least one set of planet gears is arranged axially between the first planet carrier and a second planet carrier and mounted on both planet carriers.
  • the planetary carriers are connected directly to one another by connecting elements and / or positive locking and / or material connection.
  • Such an arrangement requires that at least one of the planet carrier is either cup-shaped so that the edge of the pot bridges the axial distance between the two axially opposing planet carriers and the planet carrier over the one or more edges are connected. In this case, the edge will be circumferentially interrupted or have radial clearances for the penetration of planetary gears.
  • Such a designed assembly is very well suited for Vormont- groups, which can be delivered as such complete with planetary gear sets delivered to the customer.
  • FIG. 1 shows a longitudinal section through a planetary drive along the central axis of the planetary drive
  • FIG. 2 shows an exploded view of the planetary drive according to FIG. 1.
  • the planetary drive 1 is formed by two planet carriers 2 and 3, a set of planet gears 4 and 10, two sun gears 5 and 6, friction plates 7, 8 and 26 and shims 9.
  • a coupling element 28 is in one piece - einmaterialig formed with the planet carrier 2 by the cup-shaped planet carrier 2 at its Edge 15 has guideways 11 and / or 12 for guiding coupling plates, not shown.
  • the circumferentially and parallel to the central axis 29 outer guideways 11 alternatively inner guideways 12 are circumferentially bounded by toothing trained and alternately in Radia- Ie directions outwardly protruding mold elements 13 or inwardly projecting mold elements 14 (Fig. 2). It is also conceivable that a group of guideways 11 or 12 are provided in cooperation with a mechanical parking lock radial locking recesses for the engagement of at least one pawl or a bolt.
  • the top shape of the planet carrier 2 with edge 15 and bottom 16 and with the central passage 17 and the mold elements 13 and 14 is made for example by means of a combined technology by drawing and rolling.
  • the central passage 17 formed by a hollow cylindrical portion which is made by plastic displacement of marginal material of a central hole in the ground.
  • a sun gear 5 is radially mounted.
  • the bottom 16 is also provided with a plurality of holes 18 and 30 (Figure 1, shown in dashed lines in concealed view), of which some holes 30 are provided as bearings for supporting the planet wheels 4 and 10 and other holes 18 for a connection of the planet carrier second serve with the planet carrier 3.
  • the planet carrier 3 is substantially plate-shaped and has at the edge three axial webs 19 with axially oriented feet 20.
  • the plate-shaped part 21 is provided with through-holes 22 for supporting the planet gears 4 and 10, respectively.
  • the feet 20 have through holes 23 for multiple connections of the planetary carrier 3 to the planet carrier 2.
  • the planet carrier 3 has a central passage 24 for the storage of the sun gear 6.
  • Figure 1 shows the planetary gear 1 as a preassembled unit in which the planet gears 4 and 10 in the respective bearings (holes 30 and 22) of the planet carrier 2 and 3 are added.
  • a part of the planet gears 4 and 10 of the planetary gearset protrudes radially between the webs 19 beyond the plate-shaped part 21.
  • a shaft 25 of the sun gears 5 and 6 is seated in a central passage 17 and 24 and is rotatably mounted there.
  • each one of the friction plates 7 or 8 is arranged between the respective planet carrier 2 or 3 and the adjacent sun gear 5 or 6 between the two sun gears 5 and 6, a further friction disc 26 is mounted so that the differential by means of friction between friction plates 7, 8 and 26 sun gears 5 and 6 and planet carriers 2 and 3 due to changing axial force components of the helical planetary gears 4 and 10th and the suns 5 and 6 of the planetary drive 1 is variably self-locking or inhibiting.
  • the planet carrier 2 and 3 are connected by a plurality of riveted joints 27 in this case.
  • the planet carrier 3 is located with the feet 20 on the planet carrier 2 and is riveted to this.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Details Of Gearings (AREA)
  • Retarders (AREA)

Abstract

L'invention concerne un train planétaire avec au moins un élément d'accouplement qui comprend au moins des éléments tels qu'au moins une roue solaire, au moins un support de planétaire et au moins un ensemble de roues planétaires. L'élément d'accouplement est accouplé de manière solidaire en rotation avec l'un des éléments et est monté pour tourner avec celui-ci autour de l'axe central du train planétaire.
PCT/EP2010/052936 2009-03-28 2010-03-09 Train planétaire avec élément d'accouplement WO2010112302A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910015443 DE102009015443A1 (de) 2009-03-28 2009-03-28 Planetentrieb mit Kupplungselement
DE102009015443.4 2009-03-28

Publications (1)

Publication Number Publication Date
WO2010112302A1 true WO2010112302A1 (fr) 2010-10-07

Family

ID=42124535

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/052936 WO2010112302A1 (fr) 2009-03-28 2010-03-09 Train planétaire avec élément d'accouplement

Country Status (2)

Country Link
DE (1) DE102009015443A1 (fr)
WO (1) WO2010112302A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013222638A1 (de) 2013-11-07 2015-05-07 Schaeffler Technologies Gmbh & Co. Kg Differenzialanordnung
DE102014214328A1 (de) * 2014-07-23 2016-01-28 Schaeffler Technologies AG & Co. KG Spannungsoptimierter Planetenträger

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3407686A (en) * 1962-10-22 1968-10-29 Gen Motors Corp Transmission
US3667324A (en) * 1969-06-17 1972-06-06 Borg Warner Ltd Planetary carrier assembly and method of manufacture thereof
EP0556903A1 (fr) * 1992-02-18 1993-08-25 VCST, naamloze vennootschap Transmission pour véhicules automobiles
DE19515616A1 (de) * 1995-04-28 1996-10-31 Zahnradfabrik Friedrichshafen Planetengetriebe und Kupplungs-/Bremsanordnung
DE69707633T2 (de) 1996-12-26 2002-05-08 Honda Motor Co Ltd Planetengetriebe
EP1217262A2 (fr) * 2000-12-23 2002-06-26 INA Wälzlager Schaeffler oHG Porte-satellite pour transmission, notamment transmission automatique ou transmission de changement de vitesse sous charge
WO2007088117A1 (fr) * 2006-02-02 2007-08-09 Schaeffler Kg Goujon pour entrainement a planetaires et procede d'usinage de son extremite

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3407686A (en) * 1962-10-22 1968-10-29 Gen Motors Corp Transmission
US3667324A (en) * 1969-06-17 1972-06-06 Borg Warner Ltd Planetary carrier assembly and method of manufacture thereof
EP0556903A1 (fr) * 1992-02-18 1993-08-25 VCST, naamloze vennootschap Transmission pour véhicules automobiles
DE19515616A1 (de) * 1995-04-28 1996-10-31 Zahnradfabrik Friedrichshafen Planetengetriebe und Kupplungs-/Bremsanordnung
DE69707633T2 (de) 1996-12-26 2002-05-08 Honda Motor Co Ltd Planetengetriebe
EP1217262A2 (fr) * 2000-12-23 2002-06-26 INA Wälzlager Schaeffler oHG Porte-satellite pour transmission, notamment transmission automatique ou transmission de changement de vitesse sous charge
WO2007088117A1 (fr) * 2006-02-02 2007-08-09 Schaeffler Kg Goujon pour entrainement a planetaires et procede d'usinage de son extremite

Also Published As

Publication number Publication date
DE102009015443A1 (de) 2010-09-30

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