WO2005116472A1 - Joint tripode pour transmettre une force a un vehicule a moteur - Google Patents

Joint tripode pour transmettre une force a un vehicule a moteur Download PDF

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Publication number
WO2005116472A1
WO2005116472A1 PCT/EP2005/004120 EP2005004120W WO2005116472A1 WO 2005116472 A1 WO2005116472 A1 WO 2005116472A1 EP 2005004120 W EP2005004120 W EP 2005004120W WO 2005116472 A1 WO2005116472 A1 WO 2005116472A1
Authority
WO
WIPO (PCT)
Prior art keywords
cage
inner ring
tripod joint
roller
joint according
Prior art date
Application number
PCT/EP2005/004120
Other languages
German (de)
English (en)
Inventor
Uwe Abraham
Original Assignee
Schaeffler 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 Kg filed Critical Schaeffler Kg
Publication of WO2005116472A1 publication Critical patent/WO2005116472A1/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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/202—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints
    • F16D3/205—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
    • F16D3/2055—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part having three pins, i.e. true tripod joints
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/46—Cages for rollers or needles
    • F16C33/4605—Details of interaction of cage and race, e.g. retention or centring
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/44—Needle bearings
    • F16C19/46—Needle bearings with one row or needles
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/41—Couplings
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/202—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints
    • F16D2003/2026—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints with trunnion rings, i.e. with tripod joints having rollers supported by a ring on the trunnion
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/12—Mounting or assembling

Definitions

  • Tripod joint for power transmission on a motor vehicle
  • the invention relates to a tripod joint for power transmission on a motor vehicle, each with a roller bearing guide on the journals of the tripod joint, the roller bearing guide having an outer ring forming a roller and an inner ring with a plurality of roller bodies arranged therebetween, which is formed by a cage between the radial inner side of the outer ring and the outside of the inner ring are mounted on their raceways.
  • Tripod joints are known to be used as drive links in drive trains of motor vehicles, in which both angle compensation and longitudinal compensation are required.
  • a drive train is formed, for example, by a wheel drive shaft arranged between the output of a differential gear and a front wheel axle, in which a tripodestem is attached to the drive shaft as an inner joint part.
  • This tripod star protrudes with its three radially outward-pointing pins into the relevant guideways in a tripod bell on the wheel axle side.
  • the radially outward-pointing pins fen the Tripodestems rollers that are rotatably mounted, for example, on needle-shaped rolling elements.
  • An inner ring of the needle bearing is supported on the respective tripod star pin, while the outer bearing ring is formed, for example, by the roller.
  • the invention has for its object to provide a tripod joint for power transmission on a motor vehicle, which is simple and inexpensive to assemble and can be used reliably.
  • the invention is based on the knowledge that additional and / or structurally complex parts for the assembly of a tpod joint make high costs and further manufacturing and assembly steps necessary, which must be avoided.
  • the invention is therefore based on a tripod joint for power transmission on a motor vehicle, each with a roller bearing guide on the pin of the Tnpodegelenks, the roller bearing guide has an outer ring forming a roller and an inner ring with a plurality of rolling elements arranged between them, which by a cage between the radial Inside of the outer ring and the outside of the inner ring are mounted on their raceways.
  • the cage for the rolling elements is designed to encompass the radial peripheral region of the inner ring.
  • This measure allows the cage to be filled with rolling elements very quickly using conventional technology. Then the cage is completely assembled with the help of an auxiliary tool, using the inner ring as a wrap-around cage. The filled cage is pulled over the smooth inner ring on the outer circumference using the elasticity of the cage. As a result, guide flanges, guide rims or guide walls on the inner ring and on the outer ring can be dispensed with, since the rolling elements are positioned by the cage and guided through the flat or smooth inside of the outer ring and the outside of the inner ring.
  • the encompassing coverage of the cage around the radial end region of the inner ring and the possibility of movement to the raceway for the rolling elements in the outer ring are selected in this way that the cage cannot be snapped off.
  • the axial edge walls of the cage cover the side walls of the inner ring on the edge side, so that the cage is firmly placed on the inner ring.
  • the edge walls of the cage are connected by a plurality of transverse webs, one rolling element being received between two transverse webs.
  • the edge walls and the transverse webs form a lattice shape of the cage and thus ensure sufficient elasticity in order to be able to pull the cage over the radial outer circumference of the inner ring during assembly.
  • each transverse web can be formed in the center of the radial outside of the inner ring.
  • the crossbar can have a U or V shape over its length.
  • the cage is expediently formed in one piece in order to minimize the outlay in terms of production, costs and assembly.
  • Another possibility to reduce the manufacturing and cost expenditure is to reduce the width of the inner ring to the width of the cage or to provide the width of the cage somewhat smaller than the width of the inner ring. According to the first variant, material is saved for the production of the inner ring.
  • edge walls of the cage have a plurality of slots, partitions, cutouts or the like.
  • 1 is a partial sectional view of an area of the Tpod joint according to the invention receiving the rolling elements
  • FIG. 2 is a partial sectional view in the assembled state of the area receiving the rolling elements according to FIG. 1
  • FIG. 3 is a partial side view of a cage for receiving the rolling elements.
  • FIG. 1 of a rolling element bearing of the roller 1 of a Tpod joint shows with a dotted line a section of one of three journals 2 of the tripod joint on which the inner ring 4 of the rolling bearing is arranged.
  • the roller bearing guide comprises an outer ring 3 which has the running surface of the roller and which is mounted with its rounded outer circumference in an outer joint part of the tripod joint, not shown.
  • the outer ring 3 surrounds the inner ring 4 mentioned, the inner surface of which rests on the outer surface of the pin 2.
  • the outer surface of the inner ring 4 and the inner surface of the outer ring 3 are flat and smooth and form the raceways 5 for a plurality of needle-like rolling elements 6, which are evenly distributed around the outer circumference of the inner ring 4 and the inner circumference of the outer ring 3.
  • the rolling elements 6 are received in a cage 7 with opposite edge walls 8 and are positioned in this.
  • edge walls 8 encompass the radially outer peripheral region of the inner ring 4 in such a way that they cover the side walls 9 of the inner ring 4 on the edge side.
  • the width of the inner ring 4 and the width of the cage 7 are adapted to one another.
  • each crosspiece 10 has a longitudinal section geometry according to which it is designed to be centered on the radial outside of the inner ring 4.
  • FIG. 2 shows a manufacturing step in the assembly of the cage 7, which is completely filled with rolling elements 6, on the inner ring 4. This is being pulled over the raceway surface of the inner ring 4 by means of a suitable auxiliary tool, not shown, using its own elasticity and snaps onto it in this way that the cage 7 with the rolling elements 6 is fixed in position on the inner ring 4.
  • the inner ring 4 can then be positioned in the outer ring 3 of the roller 1 of the tripod joint.
  • the edge wall 8 of the cage 7 shown in FIG. 3 in a partial section has a plurality of recesses 11 spaced apart from one another. These lead to a higher elasticity of the cage 7, which further facilitates the positioning of the cage 7 on the inner ring 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

L'invention concerne un joint tripode permettant une transmission de force sur un véhicule à moteur, comprenant un guide support pour un rouleau situé sur les tourillons (2) du joint tripode, ledit guide support de rouleau comprenant un anneau extérieur (3) formant une chenille (1) et un anneau interne (4) comprenant de nombreux corps de rouleaux (6), disposés entre eux et montés dans une cage (7) sur les voies courantes (5), situées entre le côté interne radial de l'anneau externe (3) et le côté externe de l'anneau interne (4). Selon l'invention, un assemblage simple et économique et une application fiable du joint tripode peut être effectué, la cage (7) destinée aux corps de rouleaux (6) étant mise en place pour fermer la région circonférentielle de l'anneau interne (4).
PCT/EP2005/004120 2004-05-25 2005-04-19 Joint tripode pour transmettre une force a un vehicule a moteur WO2005116472A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004025531.8 2004-05-25
DE102004025531A DE102004025531A1 (de) 2004-05-25 2004-05-25 Tripodegelenk zur Kraftübertragung an einem Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2005116472A1 true WO2005116472A1 (fr) 2005-12-08

Family

ID=34965242

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/004120 WO2005116472A1 (fr) 2004-05-25 2005-04-19 Joint tripode pour transmettre une force a un vehicule a moteur

Country Status (2)

Country Link
DE (1) DE102004025531A1 (fr)
WO (1) WO2005116472A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019505743A (ja) * 2016-02-05 2019-02-28 シェフラー テクノロジーズ アー・ゲー ウント コー． カー・ゲーＳｃｈａｅｆｆｌｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ ＡＧ ＆ Ｃｏ． ＫＧ ポード型ジョイント用の転動ローラ

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016201775A1 (de) 2016-02-05 2017-08-10 Schaeffler Technologies AG & Co. KG Laufrolle für ein Podegelenk

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5209700A (en) * 1990-04-07 1993-05-11 Gkn Automotive Ag Constant-velocity joint
EP1219845A2 (fr) * 2000-12-21 2002-07-03 Delphi Technologies, Inc. Joint homocinétique en tripode avec module à billes
US20040077412A1 (en) * 2002-10-22 2004-04-22 Delphi Technologies Inc. Universal joint roller assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5209700A (en) * 1990-04-07 1993-05-11 Gkn Automotive Ag Constant-velocity joint
EP1219845A2 (fr) * 2000-12-21 2002-07-03 Delphi Technologies, Inc. Joint homocinétique en tripode avec module à billes
US20040077412A1 (en) * 2002-10-22 2004-04-22 Delphi Technologies Inc. Universal joint roller assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019505743A (ja) * 2016-02-05 2019-02-28 シェフラー テクノロジーズ アー・ゲー ウント コー． カー・ゲーＳｃｈａｅｆｆｌｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ ＡＧ ＆ Ｃｏ． ＫＧ ポード型ジョイント用の転動ローラ

Also Published As

Publication number Publication date
DE102004025531A1 (de) 2005-12-22

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