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WO2012023000A1 - Procédé de montage d'un ensemble palier à roulement sur un véhicule et ensemble palier à roulement adapté à un tel procédé - Google Patents

Procédé de montage d'un ensemble palier à roulement sur un véhicule et ensemble palier à roulement adapté à un tel procédé Download PDF

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Publication number
WO2012023000A1
WO2012023000A1 PCT/IB2010/002444 IB2010002444W WO2012023000A1 WO 2012023000 A1 WO2012023000 A1 WO 2012023000A1 IB 2010002444 W IB2010002444 W IB 2010002444W WO 2012023000 A1 WO2012023000 A1 WO 2012023000A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring
cover
rolling bearing
assembly
bearing assembly
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/IB2010/002444
Other languages
English (en)
Inventor
Franck Landrieve
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 PCT/IB2010/002444 priority Critical patent/WO2012023000A1/fr
Publication of WO2012023000A1 publication Critical patent/WO2012023000A1/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
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
    • 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
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
    • 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
    • F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
    • 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
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • 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

Definitions

  • the present invention relates to a method for mounting a rolling bearing assembly on a vehicle and to a rolling bearing assembly adapted to such a method.
  • a sensor unit is generally installed on the fork of the front wheel of a motorcycle. Then, a target cover is mounted on the impulse ring to protect it. Positioning of the sensor unit with respect to the impulse ring and the target cover is realized thanks to a deformation of the sensor unit.
  • This invention aims at proposing a new method for mounting a rolling bearing assembly on a vehicle, which permits a more simple and reliable mounting than mounting methods known from the prior art.
  • the invention concerns a method for mounting a rolling bearing assembly on a vehicle, this assembly comprising:
  • a target bearing comprising an inner ring, an outer ring rotatable with respect to the inner ring, around a rotation axis of the assembly, an impulse ring and a sealing element
  • a sensor unit comprising at least one sensing element adapted to read the impulse ring.
  • This method is characterized in that it comprises the following steps: a) press fitting the outer ring of the target bearing in a hub of the vehicle, b) press fitting the cover in the inner ring of the target bearing, c) positioning the sensing element against the cover and fastening the sensor unit to a fixed part of the vehicle.
  • the sensor unit is mounted after the bearing and the cover, thus permitting an accurate mounting of the sensing parts.
  • such a method may incorporate one or several of the following features:
  • the sensor unit is fastened to the cover.
  • the sensor unit is fastened to a fork of a motorcycle.
  • the invention also concerns a rolling bearing assembly mounted according to the above-mentioned method.
  • This rolling bearing assembly is characterized in that the cover comprises an axial portion extending around the rotation axis of the assembly and press fitted into the inner ring of the target bearing.
  • such a rolling bearing assembly may incorporate one or several of the following features.
  • the cover comprises an axial portion extending around the rotation axis of the assembly and press fitted into the inner ring of the target bearing.
  • the cover comprises an inner element which carries the axial portion, whereas he inner element is made of non-magnetic stainless steel.
  • the cover comprises an outer element protecting the impulse ring, whereas the outer element is made of plastic material.
  • the sealing element is molded on the impulse ring, and whereas the sealing element comprises a sealing lip adapted to lay against an inner cylindrical surface of the cover.
  • the sealing element is made of nitrile.
  • the sensing element is adapted to read the impulse ring parallely to the rotation axis of the assembly.
  • the sensing element is adapted to read the impulse ring perpendicularly to the rotation axis of the assembly.
  • Figure 1 is a perspective view of a rolling bearing assembly according to the invention
  • Figure 2 is a partially exploded view of the rolling bearing assembly of figure 1 ;
  • Figure 3 is a cross-section, along plane III in figure 1 , of the rolling bearing assembly of figures 1 and 2.
  • a rolling bearing assembly 1 comprises a rolling bearing 3, which comprises an inner ring 31 and an outer ring 33.
  • Outer ring 33 is adapted to rotate with respect to inner ring 31 around a rotation axis X-X'.
  • Rolling bodies such as balls, needles or rollers, are installed in a rolling chamber, radially between rings 31 and 33 with respect to axis X-X'.
  • Assembly 1 also comprises an impulse ring 5, which is fast in rotation with outer ring 33 of bearing 3.
  • Impulse ring 5 comprises radially extending teeth 51.
  • Impulse ring 5 is made of a magnetic material, and teeth 51 are regularly spaced around the circumference of impulse ring 5 in order to create magnetic field variations 3.
  • a sensor unit 7, which comprises a sensing element 71 to measure rotation speeds and/or angles.
  • sensing element 71 reads impulse ring 5 along a sensing axis X71 , which is parallel to rotation axis X-X'.
  • sensing element 71 may read impulse ring 5 along a sensing direction which is perpendicular to rotation axis X-X'.
  • teeth 51 of impulse ring 5 extend parallely to rotation axis X-X'.
  • Impulse ring 5 constitutes a target for sensor unit 7.
  • assembly 1 comprises a target cover 9 which protects impulse ring 5 against shocks or exterior contaminants.
  • Target cover 9 comprises a radial inner part 91 fast in rotation with inner ring 31 of bearing 3.
  • Cover 9 further comprises a radial outer part 93 which extends radially around teeth 51 of impulse ring 5.
  • Inner part 91 is made of non-magnetic stainless steel, and outer part 93 is made of plastic material. Parts 91 and 93 are fast one with respect to the other.
  • Assembly 1 comprises a sealing element 1 1 , adapted to prevent exterior contaminants to reach a gap G between teeth 51 of impulse ring 5 and sensing element 71 .
  • Sealing element 1 1 is molded on teeth 51 and comprises a sealing lip 1 1 1 , which lays against a radial inner surface 95 of a ring-shaped sliding track 101 of cover 9.
  • Sealing element 1 1 is made of a polymer material, such as nitrile.
  • Sensing element 71 is adapted to read teeth 51 of impulse ring 5 through a transparent or translucent diaphragm 97 of cover 9. Thanks to diaphragm 97, gap G between teeth 51 and sensing element 71 is protected against exterior contaminants. According to an alternative embodiment, cover 9 may comprise no diaphragm and sensing element 71 may read impulse ring 5 through a window of target cover 9.
  • assembly 1 on a vehicle is realized in the following manner: rolling bearing 3, impulse ring 5 and sealing element 1 1 are provided integrated in a single sub-assembly 15, which is named "target bearing”.
  • target bearing 15 impulse ring 5, with sealing element 1 1 molded on it, is already fast to outer ring 33 of bearing 3 by press fitting or another method.
  • F denotes a front fork of the motorbike
  • S denotes a shaft supported by fork F
  • H denotes a hub of a wheel mounted on shaft S.
  • outer ring 33 is press fitted in hub H of the front wheel of the motorcycle, rotatable relative to fork F.
  • cover 9 is press fitted on inner ring 31 of bearing 3.
  • cover 9 comprises a cylindrical portion 99, which extends around rotation axis X-X', and which carries an outer surface 100 adapted to be in contact with an inner surface 310 of inner ring 31. From this step on, impulse ring 5 is protected from shocks or contaminants infiltrations that may occur during upcoming mounting operations.
  • Cover 9 is fixed relative to a shaft S, which is fixed relative to fork F and extends along axis X-X'.
  • Shaft S may be press fitted in inner part 91 of cover 9 or fixed thereto by any convenient method.
  • sensor unit 7 is mounted on fork F and positioned with respect to target cover 9 and impulse ring 5.
  • Sensor unit 7 is fixed to fork F thanks to a U-shaped flange 73.
  • an end surface 710 of sensing element 71 is pushed against a reference surface 98 of cover 9 in the vicinity of diaphragm 97.
  • Surface 98 is adapted to accurately position sensing element 71 with respect to impulse ring 5 within a predetermined axial width w G for gap G.
  • sensor unit 7 may be fast to target cover 9.
  • cover 9 may comprise fastening means such as threaded bores adapted to cooperate with sensing unit 7.
  • the press-fitting of the different parts of rolling bearing assembly 1 provides a compact and robust design, which improves its reliability.
  • press-fitting of cover 9 in inner ring 31 of target bearing 15 permits to dismount the hub equipped with its rolling bearing assembly while impulse ring 5 is permanently protected during mounting and maintenance operations.

Landscapes

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

Abstract

La présente invention se rapporte à un procédé de montage d'un ensemble palier à roulement (1) sur un véhicule (H, F, S), cet ensemble comprenant un palier cible (15) comprenant une bague intérieure (31), une bague extérieure (33), pouvant tourner par rapport à la bague intérieure (31), autour d'un axe de rotation (X-X') de l'ensemble (1), une bague d'impulsion (5) et un élément d'étanchéité (11). Cet ensemble comprend également un cache (9) de bague d'impulsion, et une unité capteur (7) comprenant au moins un élément de détection (71) conçu pour lire la bague d'impulsion (5). Ce procédé comprend les étapes consistant à a) ajuster par pression la bague extérieure (33) du palier cible (15) dans un moyeu (H) du véhicule, b) ajuster par pression le cache (9) dans la bague intérieure (31) du palier cible (15), et c) positionner l'élément de détection (71) contre le cache (9) et fixer l'unité de détection (7) à une partie fixe (F) du véhicule.
PCT/IB2010/002444 2010-08-19 2010-08-19 Procédé de montage d'un ensemble palier à roulement sur un véhicule et ensemble palier à roulement adapté à un tel procédé Ceased WO2012023000A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2010/002444 WO2012023000A1 (fr) 2010-08-19 2010-08-19 Procédé de montage d'un ensemble palier à roulement sur un véhicule et ensemble palier à roulement adapté à un tel procédé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2010/002444 WO2012023000A1 (fr) 2010-08-19 2010-08-19 Procédé de montage d'un ensemble palier à roulement sur un véhicule et ensemble palier à roulement adapté à un tel procédé

Publications (1)

Publication Number Publication Date
WO2012023000A1 true WO2012023000A1 (fr) 2012-02-23

Family

ID=43618812

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2010/002444 Ceased WO2012023000A1 (fr) 2010-08-19 2010-08-19 Procédé de montage d'un ensemble palier à roulement sur un véhicule et ensemble palier à roulement adapté à un tel procédé

Country Status (1)

Country Link
WO (1) WO2012023000A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015010737A1 (fr) 2013-07-24 2015-01-29 Aktiebolaget Skf Unité de capteur/palier, système mécanique comprenant au moins une telle unité et procédé de montage
WO2015010735A1 (fr) 2013-07-24 2015-01-29 Aktiebolaget Skf Unité de palier de capteur, système mécanique comprenant au moins une unité de ce type et procédé de montage
US20150198203A1 (en) * 2014-01-10 2015-07-16 Ford Global Technologies Bearing Cap

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0378939A1 (fr) * 1989-01-20 1990-07-25 S.N.R. Roulements Joint d'étanchéité tournant à codeur magnétique intégré, notamment pour des roulements à capteurs d'informations
US5640087A (en) * 1994-03-08 1997-06-17 The Torrington Company Device for detection of the speed of rotation of a rolling bearing
FR2802992A1 (fr) * 1999-12-23 2001-06-29 Roulements Soc Nouvelle Organe de retenue axiale d'un roulement equipe d'un element codeur sur une de ses faces laterales
FR2917476A1 (fr) * 2007-06-12 2008-12-19 Skf Ab Dispositif de roulement instrumente a indexation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0378939A1 (fr) * 1989-01-20 1990-07-25 S.N.R. Roulements Joint d'étanchéité tournant à codeur magnétique intégré, notamment pour des roulements à capteurs d'informations
US5640087A (en) * 1994-03-08 1997-06-17 The Torrington Company Device for detection of the speed of rotation of a rolling bearing
FR2802992A1 (fr) * 1999-12-23 2001-06-29 Roulements Soc Nouvelle Organe de retenue axiale d'un roulement equipe d'un element codeur sur une de ses faces laterales
FR2917476A1 (fr) * 2007-06-12 2008-12-19 Skf Ab Dispositif de roulement instrumente a indexation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015010737A1 (fr) 2013-07-24 2015-01-29 Aktiebolaget Skf Unité de capteur/palier, système mécanique comprenant au moins une telle unité et procédé de montage
WO2015010735A1 (fr) 2013-07-24 2015-01-29 Aktiebolaget Skf Unité de palier de capteur, système mécanique comprenant au moins une unité de ce type et procédé de montage
US20150198203A1 (en) * 2014-01-10 2015-07-16 Ford Global Technologies Bearing Cap

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