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WO2009040001A1 - Palier de roue pour véhicule automobile - Google Patents

Palier de roue pour véhicule automobile Download PDF

Info

Publication number
WO2009040001A1
WO2009040001A1 PCT/EP2008/007590 EP2008007590W WO2009040001A1 WO 2009040001 A1 WO2009040001 A1 WO 2009040001A1 EP 2008007590 W EP2008007590 W EP 2008007590W WO 2009040001 A1 WO2009040001 A1 WO 2009040001A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel bearing
cylindrical
raceways
wheel
bearing according
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/EP2008/007590
Other languages
German (de)
English (en)
Inventor
Thomas Wolf
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.)
SKF AB
Original Assignee
SKF AB
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 SKF AB filed Critical SKF AB
Priority to CA2707533A priority Critical patent/CA2707533C/fr
Publication of WO2009040001A1 publication Critical patent/WO2009040001A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/02—Hubs adapted to be rotatably arranged on axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0005—Hubs with ball bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/001—Hubs with roller-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
    • 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
    • F16C19/49—Bearings with both balls and rollers
    • 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
    • F16C33/58—Raceways; Race rings
    • F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
    • 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
    • F16C33/58—Raceways; Race rings
    • F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • 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
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/50—Positive connections
    • F16C2226/60—Positive connections with threaded parts, e.g. bolt and nut connections
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/02—Wheel hubs or castors
    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/063—Fixing them on the shaft
    • 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
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/04—Preventing damage to bearings during storage or transport thereof or when otherwise out of use

Definitions

  • the invention relates to a wheel bearing for a motor vehicle, in particular for a commercial vehicle, with a wheel bearing unit which supports a wheel hub by means of an axially and radially acting rolling bearing on a steering knuckle.
  • Tapered roller bearings which are usually mounted in an O arrangement, are common for wheel bearings, in particular for commercial vehicle and trailer axles.
  • two tapered roller bearings are employed as far as possible without play or with slight preload in order to mount the wheel hub on the steering knuckle.
  • the two tapered roller bearings thus serve as a combined radial and axial bearing.
  • the invention is therefore based on the invention, a wheel bearing for a motor vehicle of the type mentioned in such a way that a further reduced bearing friction during operation can be achieved, whereby the fuel consumption and thus the emission of pollutants can be reduced. At the same time, the rigidity of the storage should be improved.
  • the solution to this problem by the invention is characterized in that the wheel hub is provided directly or indirectly with two cylindrical raceways for cylindrical rollers and two in at least one radially extending annular portion frontally introduced raceways for balls and that the steering knuckle directly or indirectly with two cylindrical raceways for the cylindrical rollers and provided with two radially extending ring sections frontally introduced raceways for the balls, wherein between the cylindrical raceways, the cylindrical rollers and between the raceways, the balls are arranged.
  • the two cylindrical roller bearings are preferably arranged axially outboard and include the two ball bearings.
  • the rolling bearing is advantageously formed symmetrically to a perpendicular to the axis of rotation of the steering knuckle center plane.
  • the two cylindrical roller bearings can be made the same size.
  • the two ball bearings can be made the same size.
  • the cylindrical raceways of the two cylindrical roller bearings are preferably incorporated directly into the material of the wheel hub.
  • the raceways for balls of the two ball bearings can also be incorporated directly into the material of the wheel hub in at least one radially extending ring section.
  • Other solutions, for example, with pressed into a cast hub outer rings are also possible.
  • the bearing rings which are mounted on the steering knuckle, may be L-shaped in radial section and have both a cylindrical raceway of the two cylindrical roller bearings and a raceway for balls of the two ball bearings. In this case, it has proven useful if the cylindrical raceway of the two cylindrical roller bearings of the bearing rings is bounded on both sides by one board.
  • the two bearing rings can be kept at a defined axial distance by means of a spacer sleeve.
  • a further development provides that the two axial ends of the spacer sleeve are inserted in grooves in the two bearing inner rings, wherein there is a radial interference fit between the spacer sleeve and the bearing ring. This is achieved in an advantageous manner that results in a transport or assembly aid even without further components or elements, since the entire storage unit is then captive due to the non-positive holding effect of the press fit.
  • the wheel hub can have, as an integrally formed part, the two cylindrical raceways of the two cylindrical roller bearings and the two raceways for balls of the two ball bearings.
  • the wheel bearing unit is preferably designed as a preloaded and life-lubricated unit. It can be biased by means of an axle nut screwed onto the steering knuckle.
  • the wheel bearing unit can be sealed from the environment by means of at least one sealing element.
  • a sleeve may also be provided whose outer diameter corresponds to the inner bore of the wheel bearing unit and which is located temporarily in the preassembled wheel bearing unit.
  • the sleeve is preferably made of plastic. It can be arranged with a press fit in the wheel bearing unit.
  • the radial and axial forces acting on the wheel and the tilting moments acting therefrom are absorbed by two cylindrical roller bearings and two axial ball bearings, which form a self-retaining bearing unit.
  • the proposed embodiment allows a very low-friction power transmission between the hub and the steering knuckle and thus in vehicle operation a significant reduction in friction losses.
  • an increase of the bearing stiffness is made possible by the separate recording of the radial and axial forces.
  • the assembly of the unit is significantly simplified, since employment of the wheel bearing is basically eliminated.
  • the assembly is limited to the sliding of the bearing unit on the steering knuckle and a distortion of the inner rings and the spacer sleeve by means of the axle nut with a defined torque.
  • the bearing unit is minimally preloaded after mounting on the steering knuckle and tightening the axle nut via the two thrust ball bearings.
  • a slight axial preload only ensures that the balls are subjected to a minimum load in all load states to avoid sliding.
  • the proposed arrangement is further characterized by a lower wear.
  • Lower heat generation advantageously results in lower lubricant aging and a longer storage life.
  • the proposed wheel bearing can be used on all commercial vehicle axles (trucks and trailer axles).
  • a wheel bearing 1 can be seen for a truck.
  • the bearing of the (not shown) wheel is carried out with a wheel bearing unit 2, which consists of four rolling bearings 4, 5, 6 and 7.
  • a wheel hub 3 is mounted relative to a steering knuckle 8 of the vehicle axle.
  • the stub axle 8 can - as in the embodiment - have a minimally stepped shaft, which is advantageous for the assembly of the wheel bearing unit.
  • the four antifriction bearings 4, 5, 6 and 7 are two cylindrical roller bearings 4 and 7 and two thrust ball bearings 5 and 6.
  • the cylindrical roller bearings 4, 7 have cylindrical raceways 9 and 10 of an outer ring, which in the present case is formed by the wheel hub 3 itself.
  • the cylindrical raceways 19 and 20 are formed by bearing rings (inner rings) 27 and 28, which are placed on the steering knuckle 8. Between the cylindrical raceways 9, 10, 19, 20 cylindrical rollers 11 and 12 are arranged.
  • the wheel hub 3 has one or two radially extending annular sections 13, 14, in each of the front side raceways 15, 16 are incorporated.
  • the bearing rings 27 and 28 have a radial contour in an L-shaped contour, so that there is a radially extending annular portion 21 and 22, respectively, are incorporated into the respective raceways 23 and 24 respectively.
  • the entire wheel bearing unit 2 is formed with its four bearings 4, 5, 6, 7 symmetrical to a center plane 26 which is perpendicular to the axis of rotation 25 of the steering knuckle 8.
  • the cylindrical rollers 11, 12 transmit pure radial forces.
  • the cylindrical track 9, 10 is not limited by ribs.
  • a spacer sleeve 33 holds the two bearing rings 27, 28 at a defined distance when an axle nut 34 is screwed onto the steering knuckle 8 during assembly of the wheel bearing unit.
  • the width of the spacer sleeve is preferably to be chosen so that after tightening the axle nut, the two thrust ball bearings 5, 6 are slightly biased.
  • the spacer sleeve 33 also serve as a frictional connection element between the two inner rings 27 and 28.
  • the sleeve sits over its outer diameter with coverage, d. H. with a press fit, in recesses 37, which are introduced into the inner rings 27 and 28.
  • a captive unit is created, which has a positive effect on transport and installation.
  • a sealing element 35 in the form of a radial shaft seal provides a seal to the environment.
  • the wheel bearing unit can optionally be sealed on both sides.
  • the radial shaft sealing ring for the seal towards the inside of the wheel is thus to be understood as an example here.
  • the cylindrical roller bearing on the inside of the wheel can be made stronger than the arranged on the outside of the wheel cylindrical roller bearing because of the usually higher radial force acting there; however, this is by no means mandatory.
  • a sleeve 36 (in the figure in addition to the steering knuckle 8 shown), which preferably consists of plastic and which allows a very simple installation.
  • the pressed into the bore of the wheel bearing unit 2 sleeve 36 with its outer diameter D holds the storage unit together during transport.
  • the sleeve 36 is simultaneously pushed out of the bearing bore.
  • the mentioned solution may be used, whereafter the spacer sleeve 33 seats with moderate interference fit in the recesses 37 of the inner rings 27, 28 so that the two inner rings are held together in the axial direction.
  • the lubrication of the bearing unit is carried out with an application-optimized smooth running grease.
  • the wheel bearing unit is pushed over the end face of the outer cylindrical roller bearing inner ring.
  • the inner rings are seated with a loose fit on the steering knuckle (recommended tolerance field: "f7") .
  • the transport sleeve (sleeve 36) prevents the bearing components from being separated.
  • the transport sleeve is pushed out when the bearing unit is pushed on.
  • the central axle nut 34 is tightened to a previously specified tightening torque.
  • the two inner rings 27, 28 and the intermediate sleeve (spacer sleeve) 33 are clamped together. The clamping force simultaneously secures the axle nut against loosening.

Landscapes

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

Abstract

L'invention concerne un palier de roue (1) pour véhicule automobile, en particulier pour véhicule utilitaire, comprenant une unité palier de roue (2) logeant un moyeu de roue (3) par l'intermédiaire d'un palier à roulement (4, 5, 6, 7) sur une fusée d'essieu (8). Dans le but de minimiser le frottement par roulement pendant la marche du véhicule, l'invention est caractérisée en ce que le moyeu de roue (3) est pourvu, directement ou indirectement, de deux pistes de roulement cylindriques (9, 10) pour des rouleaux cylindriques (11, 12), et de deux pistes de roulement (15, 16) à billes (17, 18), insérées, à l'avant, dans au moins une section annulaire (13, 14) s'étendant radialement, et en ce que la fusée d'essieu (8) est pourvue, directement ou indirectement, de deux pistes de roulement cylindriques (19, 20) pour des rouleaux cylindriques (11, 12) et de deux pistes de roulement (23, 24) à billes (17, 18), insérées à l'avant dans des sections annulaires (21, 22) s'étendant radialement, et en ce que les rouleaux cylindriques (11, 12) sont disposés entre les pistes de roulement cylindriques (9, 10, 19, 20), et les billes (17, 18) sont disposées entre les pistes de roulement (15, 16, 23, 24).
PCT/EP2008/007590 2007-09-21 2008-09-12 Palier de roue pour véhicule automobile Ceased WO2009040001A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2707533A CA2707533C (fr) 2007-09-21 2008-09-12 Palier de roue pour vehicule automobile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007045248A DE102007045248B4 (de) 2007-09-21 2007-09-21 Radlagerung für ein Kraftfahrzeug
DE102007045248.0 2007-09-21

Publications (1)

Publication Number Publication Date
WO2009040001A1 true WO2009040001A1 (fr) 2009-04-02

Family

ID=40239741

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/007590 Ceased WO2009040001A1 (fr) 2007-09-21 2008-09-12 Palier de roue pour véhicule automobile

Country Status (3)

Country Link
CA (1) CA2707533C (fr)
DE (1) DE102007045248B4 (fr)
WO (1) WO2009040001A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013029638A1 (fr) 2011-08-29 2013-03-07 Aktiebolaget Skf Structure de roulement à billes et à rouleaux cylindriques intégrée dans un moyeu d'une roue de véhicule
WO2013029637A1 (fr) 2011-08-29 2013-03-07 Aktiebolaget Skf Configuration de roulement pour moyeu de véhicule
DE102010000809B4 (de) * 2009-07-13 2014-10-30 manroland sheetfed GmbH Kompakte Axial-Radial-Lagerung
WO2017059857A1 (fr) * 2015-10-05 2017-04-13 Schaeffler Technologies AG & Co. KG Palier à roulement axial-radial à quatre rangées
CN107387550A (zh) * 2017-09-07 2017-11-24 华东交通大学 一种径向和双轴向承载的滚动轴承
CN110486377A (zh) * 2019-08-09 2019-11-22 新昌县三和轴承有限公司 一种防水密封型轮毂轴承
CN112780671A (zh) * 2021-01-11 2021-05-11 天地上海采掘装备科技有限公司 薄矿层采矿机行走轮组件
CN112780672A (zh) * 2021-01-11 2021-05-11 天地上海采掘装备科技有限公司 薄煤层采煤机紧凑型行走轮组

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021204808A1 (de) 2021-05-12 2022-11-17 Zf Friedrichshafen Ag Lageranordnung einer Zwischenwelle eines Übersetzungsgetriebes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191101715A (en) * 1911-01-23 1911-05-04 Frank Brierley A Combined Journal and Thrust Bearing.
JPS5642719A (en) * 1979-09-11 1981-04-21 Nachi Fujikoshi Corp Flanged bearing unit
US20020076126A1 (en) * 2000-12-14 2002-06-20 Plesh Ronald L. Low maintenance easily changeable bearing
WO2007065592A1 (fr) * 2005-12-07 2007-06-14 Ab Skf Systeme de palier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006004273A1 (de) * 2006-01-31 2007-08-02 Schaeffler Kg Mehrreihiges symmetrisches Wälzlager

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191101715A (en) * 1911-01-23 1911-05-04 Frank Brierley A Combined Journal and Thrust Bearing.
JPS5642719A (en) * 1979-09-11 1981-04-21 Nachi Fujikoshi Corp Flanged bearing unit
US20020076126A1 (en) * 2000-12-14 2002-06-20 Plesh Ronald L. Low maintenance easily changeable bearing
WO2007065592A1 (fr) * 2005-12-07 2007-06-14 Ab Skf Systeme de palier

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010000809B4 (de) * 2009-07-13 2014-10-30 manroland sheetfed GmbH Kompakte Axial-Radial-Lagerung
WO2013029638A1 (fr) 2011-08-29 2013-03-07 Aktiebolaget Skf Structure de roulement à billes et à rouleaux cylindriques intégrée dans un moyeu d'une roue de véhicule
WO2013029637A1 (fr) 2011-08-29 2013-03-07 Aktiebolaget Skf Configuration de roulement pour moyeu de véhicule
WO2017059857A1 (fr) * 2015-10-05 2017-04-13 Schaeffler Technologies AG & Co. KG Palier à roulement axial-radial à quatre rangées
CN107387550A (zh) * 2017-09-07 2017-11-24 华东交通大学 一种径向和双轴向承载的滚动轴承
CN110486377A (zh) * 2019-08-09 2019-11-22 新昌县三和轴承有限公司 一种防水密封型轮毂轴承
CN112780671A (zh) * 2021-01-11 2021-05-11 天地上海采掘装备科技有限公司 薄矿层采矿机行走轮组件
CN112780672A (zh) * 2021-01-11 2021-05-11 天地上海采掘装备科技有限公司 薄煤层采煤机紧凑型行走轮组
CN112780672B (zh) * 2021-01-11 2025-06-10 天地上海采掘装备科技有限公司 薄煤层采煤机紧凑型行走轮组
CN112780671B (zh) * 2021-01-11 2025-06-10 天地上海采掘装备科技有限公司 薄矿层采矿机行走轮组件

Also Published As

Publication number Publication date
DE102007045248A1 (de) 2009-04-09
DE102007045248B4 (de) 2010-09-09
CA2707533A1 (fr) 2009-04-02
CA2707533C (fr) 2015-11-24

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