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WO2009010364A2 - Ensemble palier - Google Patents

Ensemble palier Download PDF

Info

Publication number
WO2009010364A2
WO2009010364A2 PCT/EP2008/057749 EP2008057749W WO2009010364A2 WO 2009010364 A2 WO2009010364 A2 WO 2009010364A2 EP 2008057749 W EP2008057749 W EP 2008057749W WO 2009010364 A2 WO2009010364 A2 WO 2009010364A2
Authority
WO
WIPO (PCT)
Prior art keywords
receiving area
bearing
arrangement according
bearing arrangement
housing part
Prior art date
Application number
PCT/EP2008/057749
Other languages
German (de)
English (en)
Other versions
WO2009010364A3 (fr
Inventor
Josef Bader
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 WO2009010364A2 publication Critical patent/WO2009010364A2/fr
Publication of WO2009010364A3 publication Critical patent/WO2009010364A3/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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • 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
    • 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
    • F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring

Definitions

  • the present invention relates to a bearing assembly for supporting at least one machine element in a housing according to the closer defined in the preamble of claim 1. Art.
  • the present invention seeks to propose a bearing assembly of the type described above, which is improved so that at any time an interruption of the transmission path of structure-borne noise and vibrations is guaranteed.
  • a bearing arrangement for supporting at least one machine element in a housing wherein at least one damping medium is provided between the components to be damped, in particular between the machine element to be supported and the housing, and wherein on at least one of the housing-side bearing surfaces and / or machine side Bearing surfaces at least one receiving area or the like is provided for the damping medium.
  • each corresponding damping properties exhibiting medium can be used.
  • the receiving area comprises a plurality of mutually separate recesses or the like, regardless of the respective embodiment of the bearing assembly.
  • This z. B. chamber-shaped depressions are introduced into the respective bearing surface to communicate with the damping medium z. B. to be filled by injection, so that direct contact is avoided on the bearing surfaces between the components to be damped.
  • it is prevented by the separate chambers by means of webs or depressions that the damping medium can flow away laterally.
  • the recesses are filled with the damping medium such that the damping gap formed between the housing-side and the machine-side bearing surfaces on the one hand sufficient to prevent direct contact and on the other hand is dimensioned so that a flow through the gap formed is prevented. It can also be provided a damping between different housing parts.
  • the damping gap has corresponding gap seals or the like.
  • a possible embodiment of the invention may provide that an outer bearing ring for supporting a rotating machine element has at least one receiving area.
  • a receiving area on the radial housing wall facing the bearing surface may be provided.
  • at least one further receiving region may be provided on at least one axial bearing surface facing the housing wall.
  • the filled with a damping medium receiving areas can ensure both an interruption of the transmission path in the radial and in the axial direction in the bearing assembly according to the invention.
  • the recesses of the respective receiving area can be distributed over the entire circumference of the bearing ring in order to achieve an effective over the entire circumference damping.
  • a further embodiment which can be used in combination or separately from the previously described embodiment, provides that at least one receiving area is provided on at least one separate housing part for supporting the rotating machine element.
  • the damping medium is housed on the housing side to interrupt the transmission path between the machine element and the housing.
  • the housing part can also be designed in several parts depending on the type of storage.
  • a receiving region can be provided on at least one housing part arranged radially to the bearing ring and also on at least one housing part arranged axially to the bearing ring. In this way, both the radial and the axial transmission paths are interrupted.
  • each receiving area can have depressions distributed over the entire circumference of the housing part in order to realize a complete decoupling of the transmission paths.
  • At least one fixing bolt can be used, which is mounted on the housing wall.
  • this type of storage can be provided in the bearing assembly according to the invention that at least one of, preferably all fixing bolts, have at least one receiving area for the damping medium.
  • the receiving area is provided on the radial bearing surface of the approximately circular fixing bolt. In this way, the transmission path for radial loads is interrupted.
  • a held on the fixing bolt base or the like Machine element has at least one receiving area. The receiving area is thus provided on an axial bearing surface, which faces the housing wall in order to ensure an interruption of the transmission path in the axial direction as well.
  • a further embodiment of the invention can provide that, alternatively or additionally, a receiving area is provided on a base carrier carrying the machine element, which is assigned radially to the fixing bolt in order to ensure radial decoupling. Furthermore, as an alternative or separately to the axial decoupling, a housing wall facing the base carrier can have a receiving region on the axial bearing surface. There are also other possible arrangements of the respective receiving areas on the components possible.
  • FIG. 1 is a partial sectional view of a first possible embodiment of a bearing assembly according to the invention on a tapered roller bearing.
  • FIG. 2 is a partial sectional view of a second embodiment of the bearing assembly according to the invention on a fixed bearing.
  • FIG. 3 shows a schematic three-dimensional partial view of a third embodiment variant of the bearing arrangement according to the invention with a fixing bolt for supporting a stationary machine element;
  • FIG. 4 is a sectional view of FIG. 3;
  • FIG. 5 shows a further sectional view according to FIG. 3 on a housing wall;
  • FIG. 6 is a partial sectional view of a fourth embodiment of the bearing assembly according to the invention with a fixing bolt for supporting a stationary machine element.
  • the bearing assembly according to the invention is a tapered roller bearing, which supports a not shown rotating machine element on a separate housing part 4.
  • the tapered roller bearing comprises an inner bearing ring 1 and an outer bearing ring 2, which receive tapered rollers 3 as rolling elements.
  • the outer bearing ring 2 is mounted on the multi-part housing part 4.
  • a receiving area 5 is provided on the housing part 4 in the region of the radial bearing surfaces of the housing part 4.
  • the receiving area 5 is filled with a damping medium, so that a small damping gap 7 of, for example, about 0.1 mm between the bearing surfaces of the bearing ring 2 and the housing part 4 is formed. In this way, a direct contact of the radial bearing surfaces is prevented in the proposed bearing arrangement.
  • a further receiving portion 6 is provided on the axial bearing surface of the housing part 4 in order to decouple loads in the axial direction.
  • the respective receiving areas 5, 6 are each formed as a plurality of separate recesses over the entire circumference.
  • the depressions of the receiving areas 5, 6 are filled with the damping medium, so that the low damping gap 7 between the radial and axial bearing surfaces of the housing part 4 and the outer bearing ring 2 is realized. In this way, the direct contact of the bearing surfaces between the housing part 4 and the outer bearing ring 2 is prevented because a flow away of the damping medium due to the receiving areas 5, 6 is not possible.
  • the transmission path of structure-borne sound is securely interrupted.
  • damping gap 7 between the bearing surfaces will be as small as possible to prevent leakage of the damping medium from the damping gap 7.
  • gap seals may be provided for further sealing.
  • the receiving areas 5, 6 may be provided in this first embodiment alternatively or additionally to the outer bearing ring 2 both axially and radially.
  • a second embodiment of the bearing assembly according to the invention is shown with a fixed bearing. Also in this second embodiment, a multi-part housing part 4,4 'is provided for receiving an outer bearing ring 2 of the fixed bearing.
  • the fixed bearing receives a ball 12 as rolling elements.
  • two axial receiving areas 6, 6 are provided in the second embodiment variant. This is because it is a fixed bearing, which ensures a support in both axial directions.
  • the receiving areas 5, 6, filled with the damping medium so that an interruption of the respective transmission paths in the axial and radial directions is ensured by the respectively provided damping gap 7.
  • a fixing bolt 8 is provided for supporting a housing part, not shown.
  • the fixing bolt 8 as can be seen in particular from FIGS. 4 and 5, mounted on a housing wall 9.
  • the fixing bolt 8 receives the housing part 4 with a metal sleeve 1 1.
  • the axial bearing surface of the housing wall 9 has a base support 10 with a metallic sheath 14.
  • the fixing bolt 8 has a receiving area 5 on the radial bearing surface, which faces the housing part 4.
  • the receiving area 5 has, as in the preceding embodiments, a plurality of recesses provided separately from each other in the bearing surface, wherein the depressions are distributed over the entire circumference of the bearing surface of the fixing bolt 8.
  • the depressions are also filled in this embodiment with the damping medium to provide a damping gap for decoupling between the bearing surfaces of the housing part 4 and the sleeve 1 1 and 8 of the fixing bolt.
  • a receiving region 6 is provided on the axial bearing surface of the base support 10, which faces the housing part 4.
  • this receiving area 6 consists again of several mutually separate recesses, which are distributed over the entire circumference of the axial bearing surface of the base support 10.
  • the depressions are also filled with a damping medium in such a way that a damping gap 7 for avoiding direct contact between the bearing surfaces of the housing part 4 and the base support 10 is avoided.
  • FIG. 6 shows an alternative to the third embodiment, in which a receiving region 5 and a receiving region 6 are provided on the radial or axial bearing surface of the base carrier 10.
  • the operation is the same as in the third embodiment according to FIGS. 3 to 5.
  • both an axial and a radial interruption of the transmission path of structure-borne noise are ensured by the filling of the respective receiving regions 5 and 6.
  • the sound transmission in the radial direction is between the bearing surfaces of the fixing bolt 8 and the base carrier 10 and interrupted in the axial direction between the bearing surfaces of the base support 10 and the housing part 4.
  • it is prevented that a sound transmission from the housing wall 9 to the two-part housing part 4,4 'takes place.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Support Of The Bearing (AREA)
  • Rolling Contact Bearings (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

La présente invention concerne un ensemble palier servant d'appui à au moins un élément machine dans un boîtier, au moins un moyen d'amortissement (13) se trouvant entre les éléments à amortir, et au moins une zone de réception (5, 6) destinée au moyen d'amortissement (13) et servant à former un espace d'amortissement (7), se trouvant sur au moins l'une des surfaces d'appui.
PCT/EP2008/057749 2007-07-14 2008-06-19 Ensemble palier WO2009010364A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007032934.4 2007-07-14
DE200710032934 DE102007032934A1 (de) 2007-07-14 2007-07-14 Lageranordnung

Publications (2)

Publication Number Publication Date
WO2009010364A2 true WO2009010364A2 (fr) 2009-01-22
WO2009010364A3 WO2009010364A3 (fr) 2009-05-28

Family

ID=40052997

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/057749 WO2009010364A2 (fr) 2007-07-14 2008-06-19 Ensemble palier

Country Status (2)

Country Link
DE (1) DE102007032934A1 (fr)
WO (1) WO2009010364A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102537038A (zh) * 2010-12-30 2012-07-04 上海振华轴承总厂有限公司 汽车发动机带轮用减震轴承组件
CN103511457A (zh) * 2012-06-22 2014-01-15 舍弗勒技术股份两合公司 轴承上的隔音装置以及轴承隔音元件
US20140345966A1 (en) * 2013-05-22 2014-11-27 Jtekt Corporation Electric power steering system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020210331A1 (de) * 2019-12-11 2021-06-17 Efficient Energy Gmbh Lagerhalter zum Aufnehmen eines Lagers

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GB155165A (en) * 1920-04-14 1920-12-16 Max Stamm Improvements in roller bearings
US1895936A (en) * 1928-10-31 1933-01-31 Goodrich Co B F Rubber shaft-bearing
US2362938A (en) * 1944-06-09 1944-11-14 Black & Decker Mfg Co Bearing support
DE908812C (de) * 1950-12-24 1954-04-08 Hauhinco Maschf Elastische Lagerung von Wellen und Achsen mittels Gleitlagern
US3073654A (en) * 1959-11-16 1963-01-15 Bell Telephone Labor Inc Bearing assembly
DE1937932U (de) * 1963-09-12 1966-05-05 Boge Gmbh Gleitlager.
US3365032A (en) * 1966-06-28 1968-01-23 Lord Corp Viscous and elastomer damped bearing support
US4022515A (en) * 1975-12-02 1977-05-10 Kugelfischer Georg Schafer & Co. Support means for textile spindles and rotors having anti-friction bearings
US4044977A (en) * 1976-04-16 1977-08-30 Caterpillar Tractor Co. Bushing type mount with triple spring rate
JPS5416055A (en) * 1977-06-06 1979-02-06 Lord Corp Bearing
US4515486A (en) * 1984-02-03 1985-05-07 Ide Russell D Elastomeric supported hydrodynamic bearing
GB2211897B (en) * 1987-10-30 1991-06-12 Volkswagen Ag Eccentric drive for a rotary mass
DE3834271A1 (de) * 1988-10-08 1990-04-19 Daimler Benz Ag Stuetzlager fuer eine antriebswelle eines kraftfahrzeug-antriebsaggregates
DE4003052A1 (de) * 1990-02-02 1991-08-08 Schaeffler Waelzlager Kg Radial-kugellager
DE4139984A1 (de) * 1991-12-04 1993-06-09 Robert Bosch Gmbh, 7000 Stuttgart, De Motor
FR2715443B1 (fr) * 1994-01-24 1996-03-01 Valeo Systemes Dessuyage Palier amortisseur notamment pour le montage d'un arbre appartenant à un mécanisme d'essuie-glace.
DE9412946U1 (de) * 1994-08-11 1995-12-07 Robert Bosch Gmbh, 70469 Stuttgart Schwingungsdämpfende Buchse
US6786642B2 (en) * 2002-08-30 2004-09-07 Pratt & Whitney Canada Corp. Compliant foil-fluid bearing support arrangement
DE102004034701A1 (de) * 2004-07-17 2006-02-02 Zf Lenksysteme Gmbh Wälzlager
DE102005006210A1 (de) 2005-02-11 2006-08-17 Schaeffler Kg Lageranordnung, insbesondere für Wälzlager und Gleitlager
DE102005047356A1 (de) * 2005-10-04 2007-04-05 Robert Bosch Gmbh Haltevorrichtung zur Befestigung einer Fahrzeugbaugruppe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102537038A (zh) * 2010-12-30 2012-07-04 上海振华轴承总厂有限公司 汽车发动机带轮用减震轴承组件
CN103511457A (zh) * 2012-06-22 2014-01-15 舍弗勒技术股份两合公司 轴承上的隔音装置以及轴承隔音元件
US20140345966A1 (en) * 2013-05-22 2014-11-27 Jtekt Corporation Electric power steering system
US10787195B2 (en) * 2013-05-22 2020-09-29 Jtekt Corporation Electric power steering system

Also Published As

Publication number Publication date
DE102007032934A1 (de) 2009-01-15
WO2009010364A3 (fr) 2009-05-28

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