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WO1993015339A1 - Support d'un pignon - Google Patents

Support d'un pignon Download PDF

Info

Publication number
WO1993015339A1
WO1993015339A1 PCT/EP1993/000168 EP9300168W WO9315339A1 WO 1993015339 A1 WO1993015339 A1 WO 1993015339A1 EP 9300168 W EP9300168 W EP 9300168W WO 9315339 A1 WO9315339 A1 WO 9315339A1
Authority
WO
WIPO (PCT)
Prior art keywords
pinion
bearing
wall
bearing wall
roller bearings
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.)
Ceased
Application number
PCT/EP1993/000168
Other languages
German (de)
English (en)
Inventor
Gerhard Spindler
Peter Tiesler
Michael Schiffhauer
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of WO1993015339A1 publication Critical patent/WO1993015339A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • 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

Definitions

  • the invention relates to the mounting of a pinion, which is supported by two tapered roller bearings and a collar on a detachable bearing wall in a housing of an automatic transmission.
  • the invention has for its object to provide an axially short bearing for a pinion on the output side of the transmission, which is still suitable for absorbing large forces and can be easily assembled. It is achieved according to the invention in the case of storage of the type described in the introduction by the characterizing features of the first claim.
  • the US-PS 25 18 824 shows in Fig. 1 a tapered roller bearing for a bevel pinion.
  • the tapered roller bearings are supported on a collar of a bearing wall, which is detachably fastened with screws in the gear housing.
  • the transmission is very long overall, and so is the
  • the detachable wall also makes assembly easier, since the pinion can be inserted into the gearbox housing with the bearing pre-assembled.
  • the axial length is further increased if, in an embodiment of the invention, a ring gear according to FIG. 3 or a web of a planetary gear according to FIG. 2 is attached to the face of the pinion that faces away from the detachable wall.
  • a ring cylinder can be arranged in a space-saving manner in the detachable wall, in that an annular piston can be adjusted by pressure medium which is supplied via bores in the housing wall and the bearing wall. At the same time, d fastening screws can be arranged in the ring cylinder.
  • Bearing rollers run directly on a bearing surface of the detachable bearing wall or the pinion.
  • Fig. 1 shows an automatic transmission for
  • Fig. 2 shows an enlarged
  • Partial longitudinal section corresponding to the boundary line II in Figure 1 of an embodiment of the invention.
  • Fig. 3 shows a variant of an inventive
  • the automatic transmission has a hydrodynamic converter with a drive shaft 2, an electro-hydraulic control device 3, a powershift transmission 4 arranged coaxially to the drive shaft 2, in planetary construction, at the free end 5 of which a gear train is arranged.
  • a pinion 6 of this gear train drives an intermediate gear 7 and a pinion 27 and a spur gear, not shown, which drives 8 output shafts 9 and 10 via a differential.
  • the pinion 6 has a collar 11 on which tapered roller bearings 12 and 13 are fixed with a shaft nut 14 and a lock washer 15.
  • the tapered roller bearings 12 and 13 support the pinion 6 in a bearing wall 17 which is detachably fastened to a gear housing 16.
  • the tapered roller bearings 12, 13 have both inner and outer
  • bearing rings it is also possible that the running surfaces of the bearing rollers are formed directly on the bearing wall 17 or the collar 11.
  • the axial distance of the tapered roller bearings 12 and 13 from the teeth 18 of the pinion 6 is very small, so that the pinion 6 is very rigidly supported.
  • an annular cylinder 19 with an annular piston 20 is arranged in the bearing wall 17, which actuates a brake 21 when pressure medium is applied to it.
  • the pressure medium usually pressure oil, is fed through an angled channel 22.
  • Fig. 3 shows a variant with a bearing wall 24 which has a collar 25 on which the
  • Tapered roller bearings 12 and 13 are set by the shim 15 and the shaft nut 14. As a result, the tapered roller bearings move directly under the teeth 18 of the pinion 6.
  • a ring gear 26 of a planetary drive is attached to the end face of the pinion 6, which faces away from the bearing wall 24 (FIG. 3), so that the axial constructional structure is optimally used.
  • a web 28 of the planetary drive can be attached to the pinion 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Support Of The Bearing (AREA)

Abstract

La présente invention propose de créer un support rigide, axialement compact et facile à monter, pour un pignon situé dans le carter d'une boîte de vitesses automatique. Une paroi de support (17) amovible crée une grande ouverture de montage et permet le prémontage de ce support. Le pignon (6) comporte un col (11) sur lequel des roulements à rouleaux coniques (12, 13) sont fixés avec un écrou d'arbre (14) et une rondelle d'arrêt (15). Ces roulements à rouleaux coniques (12, 13) supportent le pignon (6) dans la paroi de support (17) fixée amovible au carter de boîte de vitesses (16). Un cylindre annulaire (15) avec un piston annulaire (20) est logé de manière compacte dans la paroi de support (17) pour actionner un frein (21) lorsqu'il est alimenté par un fluide sous pression.
PCT/EP1993/000168 1992-01-29 1993-01-26 Support d'un pignon Ceased WO1993015339A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924202375 DE4202375A1 (de) 1992-01-29 1992-01-29 Lagerung eines ritzels
DEP4202375.0 1992-01-29

Publications (1)

Publication Number Publication Date
WO1993015339A1 true WO1993015339A1 (fr) 1993-08-05

Family

ID=6450459

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1993/000168 Ceased WO1993015339A1 (fr) 1992-01-29 1993-01-26 Support d'un pignon

Country Status (2)

Country Link
DE (1) DE4202375A1 (fr)
WO (1) WO1993015339A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5628233A (en) * 1993-04-23 1997-05-13 Zf Friedrichshafen Ag Transmission with intermediate plate connected to transmission casing by gear supports

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532708A3 (fr) * 1981-08-24 1984-03-09 Clocheau Michel Transmission automatique pour vehicules a moteurs transversaux
DE3741746A1 (de) * 1986-12-09 1988-06-16 Aisin Warner Automatikgetriebe
WO1990007072A1 (fr) * 1988-12-15 1990-06-28 Zahnradfabrik Friedrichshafen Ag Transmission automatique pour vehicule automobile
EP0467752A1 (fr) * 1990-07-17 1992-01-22 Regie Nationale Des Usines Renault S.A. Ensemble de sortie de mouvement d'un train épicycloidal d'une boîte de vitesses automatique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532708A3 (fr) * 1981-08-24 1984-03-09 Clocheau Michel Transmission automatique pour vehicules a moteurs transversaux
DE3741746A1 (de) * 1986-12-09 1988-06-16 Aisin Warner Automatikgetriebe
WO1990007072A1 (fr) * 1988-12-15 1990-06-28 Zahnradfabrik Friedrichshafen Ag Transmission automatique pour vehicule automobile
EP0467752A1 (fr) * 1990-07-17 1992-01-22 Regie Nationale Des Usines Renault S.A. Ensemble de sortie de mouvement d'un train épicycloidal d'une boîte de vitesses automatique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 9, no. 311 (M-436)(2034) 7. Dezember 1985 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5628233A (en) * 1993-04-23 1997-05-13 Zf Friedrichshafen Ag Transmission with intermediate plate connected to transmission casing by gear supports

Also Published As

Publication number Publication date
DE4202375A1 (de) 1993-08-05

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