DE102012215443A1 - Arrangement for supporting shaft or hub element e.g. converter in housing of automatic transmission of vehicle, has radial bearing whose bearing outer ring is spring-loaded to apply radial clamping force on shaft or hub element - Google Patents
Arrangement for supporting shaft or hub element e.g. converter in housing of automatic transmission of vehicle, has radial bearing whose bearing outer ring is spring-loaded to apply radial clamping force on shaft or hub element Download PDFInfo
- Publication number
- DE102012215443A1 DE102012215443A1 DE201210215443 DE102012215443A DE102012215443A1 DE 102012215443 A1 DE102012215443 A1 DE 102012215443A1 DE 201210215443 DE201210215443 DE 201210215443 DE 102012215443 A DE102012215443 A DE 102012215443A DE 102012215443 A1 DE102012215443 A1 DE 102012215443A1
- Authority
- DE
- Germany
- Prior art keywords
- bearing
- radial
- spring
- shaft
- arrangement 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.)
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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
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- 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
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or 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
- 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
- F16C35/061—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing mounting a plurality of bearings side by side
-
- 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
- F16C19/24—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 for radial load mainly
- F16C19/26—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 for radial load mainly with a single row of rollers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Anordnung zum gehäuseseitigen Lagern eines Wellen- oder Nabenelementes gemäß der im Oberbegriff des Patentanspruches 1 näher definierten Art.The present invention relates to an arrangement for housing-side bearings of a shaft or hub element according to the closer defined in the preamble of
Aus der Fahrzeugtechnik sind Anordnungen zum gehäuseseitigen Lagern von Wellen- oder Nabenelementen bekannt. Beispielsweise in Getriebegehäusen werden Drehmomentwandler oder Anfahrelemente mittels radialem Festlager und radialem Loslager gelagert. Der z. B. über eine so genannte Flexplate mit der Kurbelwelle des Fahrzeuges verbundene Wandlerhals des Drehmomentwandlers wird über das Festlager und das Loslager in dem Getriebegehäuse entsprechend gelagert.Arrangements for housing-side bearings of shaft or hub elements are known from automotive engineering. For example, in gearboxes torque converter or starting elements are mounted by means of radial fixed bearing and radial floating bearing. The z. B. via a so-called flexplate connected to the crankshaft of the vehicle converter neck of the torque converter is mounted on the fixed bearing and the floating bearing in the transmission housing accordingly.
Es hat sich jedoch gezeigt, dass Kurbelwellenbewegungen und Überlagerung von Planlaufehlern von Flexplate und Drehmomentwandler bzw. Wellen- oder Nabenelement eine entsprechende Taumelbewegung an dem Wandlerhals bzw. an dem Wellen- oder Nabenelement verursachen. In Kombination mit einem Achsversatz zwischen der Kurbelwelle und der Getriebewelle entsteht dadurch ein Anschlaggeräusch des Wandlerhalses in dem entsprechenden Lager. Der Achsversatz zwischen Motor und Getriebe entsteht zum Beispiel durch Fertigungstoleranzen und durch unterschiedliche Wärmeausdehnungen zwischen Motor und Getriebe. Damit der Wandlerhals des Drehmomentwandlers nicht unerwünschte Anschlaggeräusche verursacht, ist es bekannt, den Systemdruck im Getriebe zu erhöhen, um dadurch auch die Kettenkräften zu erhöhen. Infolgedessen wird der Wandlerhals bzw. das Wellen- oder Nabenelement in eine Richtung auf Anschlag an das entsprechende Lager gezogen. Hierdurch ergibt sich jedoch der Nachteil, dass höhere Schleppmomente und damit der Verbrauch negativ beeinflusst wird.However, it has been found that crankshaft motions and superposition of flexplate and torque converter shaft or hub element misalignments cause corresponding wobble on the transducer neck or on the shaft or hub member, respectively. In combination with an axial offset between the crankshaft and the transmission shaft, this results in an impact noise of the converter neck in the corresponding bearing. The misalignment between the engine and the gearbox is caused, for example, by manufacturing tolerances and by different thermal expansions between the engine and the gearbox. In order for the converter neck of the torque converter does not cause unwanted impact noise, it is known to increase the system pressure in the transmission, thereby also increasing the chain forces. As a result, the transducer neck or the shaft or hub member is pulled in a direction to stop the corresponding bearing. However, this has the disadvantage that higher drag torques and thus consumption is adversely affected.
Der vorliegenden Erfindung liegt die Aufgabe zu Grunde, eine Anordnung zum gehäuseseitigen Lagern eines Wellen- oder Nabenelementes vorzuschlagen, welche Anschlaggeräusche des Wellen- oder Nabenelementes möglichst konstruktiv einfach und kostenneutral vermeidet.The present invention is based on the object to provide an arrangement for housing side bearings of a shaft or hub element, which avoids the impact noises of the shaft or hub element as simple as possible and cost-neutral.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruches 1 gelöst. Vorteilhafte Ausgestaltungen ergeben sich aus den Unteransprüchen und der Beschreibung sowie den Zeichnungen.This object is achieved by the features of
Es wird eine Anordnung zum gehäuseseitigen Lagern eines Wellen- oder Nabenelementes – beispielsweise eines Drehmomentwandlers eines Automatikgetriebes – vorgeschlagen, die in Art einer Loslagerung ausgebildet ist und zumindest ein Radiallager umfasst, dessen Lageraußenring zum Aufbringen einer radialen Anpresskraft auf das Wellen- bzw. Nabenelement in zumindest eine radiale Richtung angefedert ist.It is an arrangement for housing-side bearings of a shaft or hub element - for example, a torque converter of an automatic transmission - proposed, which is designed in the manner of a floating bearing and at least one radial bearing, the bearing outer ring for applying a radial contact force to the shaft or hub member in at least a radial direction is spring-loaded.
Auf diese Weise wird eine radial angefederte Loslagerung vorgeschlagen, welche taumelnde Bewegungen bzw. Anschlaggeräusche des Wellenelements bzw. Nabenelementes sicher verhindert. Ein bevorzugter Anwendungsfall der erfindungsgemäßen Anordnung ist die Ausbildung des Wellen- oder Nabenelementes als Wandlerhals eines Drehmomentwandlers eines Automatikgetriebes (vorzugsweise eines Kraftfahrzeugs) oder als Antriebsnabe eines Anfahrelementes eines anderen Getriebes (vorzugsweise eines Kraftfahrzeugs). Die erforderliche Kraft zum Andrücken des Wellen- oder Nabenelementes wird durch das angefederte Radiallager rein mechanisch aufgebracht. Somit können störende Anschlaggeräusche in konstruktiv sehr einfacher Weise verhindert werden.In this way, a radially spring-loaded floating bearing is proposed, which reliably prevents wobbling movements or impact noises of the shaft element or hub element. A preferred application of the arrangement according to the invention is the formation of the shaft or hub element as a converter neck of a torque converter of an automatic transmission (preferably a motor vehicle) or as a drive hub of a starting element of another transmission (preferably a motor vehicle). The force required to press the shaft or hub element is applied purely mechanically by the spring-loaded radial bearing. Thus disturbing impact noises can be prevented in a structurally very simple manner.
Weist die Loslagerung zwei zueinander axial beabstandet angeordnete Radiallager auf, von denen nur eines radial angefedert ist, so ist es vorteilhaft, wenn das angefederte Radiallager als niedriger belastetes Andrücklager und das nicht angefederte Radiallager als größer dimensioniertes Hauptlager mit feststehendem Lageraußenring ausgeführt ist.Does the floating bearing two mutually axially spaced radial bearings, of which only one is spring-biased, it is advantageous if the sprung radial bearing is designed as a lower loaded Andrücklager and not sprung radial bearing as a larger sized main bearing with a fixed bearing outer ring.
Weist die Loslagerung nur ein Radiallager auf, so ist es vorteilhaft, dieses einzige Radiallager als so genanntes Polygonlager mit einem polygonförmigen Lageraußenring auszuführen, dessen besondere Geometrie für die radiale Anfederung sorgt.Has the floating bearing only a radial bearing, so it is advantageous to perform this single radial bearing as a so-called polygon bearing with a polygonal bearing outer ring whose special geometry provides for the radial springing.
In beiden Fällen wird die taumelnde Welle oder Nabe – beispielsweise der Wandlerhals – durch das radial angefederte Radiallager spielfrei radial angedrückt. Zwischen dem vorhandenen nicht angefederten Radiallager und dem zusätzlichen Lager des Doppellagers ergibt sich ein Kippmoment auf den Wandlerhals.In both cases, the wobbling shaft or hub - for example, the converter neck - radially pressed by the radial spring-loaded radial bearing play. Between the existing non-sprung radial bearing and the additional bearing of the double bearing results in a tilting moment on the transducer neck.
Zum radialen Anfedern des Radiallagers kann zumindest ein Federelement zum Beispiel mit einer linearen oder progressiven Federkennlinie eingesetzt werden. Vorzugsweise werden mehrere Federelemente über den Umfang des Wandlerhalses bzw. des Wellen- oder Nabenelements verteilt angeordnet, um somit eine optimale Verteilung der Federkraft zu erreichen. Der maximale Federweg an dem angefederten Radiallager sollte dabei größer als das maximale Lagerspiel des nicht angefederten Radiallagers sein, so dass die Lagerkraft am angefederten Radiallager nicht größer werden kann als die maximale Federkraft. Durch die zusätzliche Führung des Wellen- oder Nabenelementes in den zwei in eine radiale Richtung gegeneinander verspannten Lagern des Doppellagers werden das Taumeln bzw. das Abheben und damit das störende Anschlagen des Wellenelements bzw. des Wandlerhalses am Lager verhindert.For radial springing of the radial bearing, at least one spring element can be used, for example, with a linear or progressive spring characteristic. Preferably, a plurality of spring elements are arranged distributed over the circumference of the converter neck or of the shaft or hub element, in order thus to achieve an optimal distribution of the spring force. The maximum travel on the spring-loaded radial bearing should be greater than the maximum bearing clearance of the non-sprung radial bearing, so that the bearing force on spring-loaded radial bearing can not be greater than the maximum spring force. Due to the additional guidance of the shaft or hub element in the two braced in a radial direction bearings of the double bearing are the tumbling or the Lifting and thus prevents the disturbing striking of the shaft element or the converter neck on the camp.
Nachfolgend wird die vorliegende Erfindung anhand der Zeichnungen weiter erläutert. Es zeigen:Hereinafter, the present invention will be further explained with reference to the drawings. Show it:
In
Der radiale Federweg des Außenlagerringes
Darüber hinaus kann das bzw. die vorgesehenen Federelemente vorzugsweise derart angeordnet werden, dass diese in Richtung der Schwerkraft und zusätzlichen Kräften, wie zum Beispiel der Kettenkraft wirken. Bevorzugt wird das erfindungsgemäße Doppellager bzw. Mehrfachlager abtriebsseitig zur Anfederung angeordnet. Es kann jedoch bei speziellen Anwendungen notwendig sein, dass das angefederte Doppellager antriebsseitig angeordnet wird. Der Abstand zwischen den beiden Radiallagern
Gemäß einer bevorzugten Ausführungsvariante sind verschiedene Anordnungen und Kombinationen der zwei radial verspannten Radiallager des Doppellagers möglich. Beispielsweise kann das als Hauptlager ausgeführte Radiallager
Im Unterschied zu der in
In
Das Polygonlager
Das hier dargestellte beispielhafte Polygonlager
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Wellen- oder Nabenelement bzw. WandlerhalsShaft or hub element or transducer neck
- 22
- radial angefedertes Radiallager, Andrücklagerradially spring-loaded radial bearing, pressure bearing
- 33
- nicht angefedertes Radiallager, Hauptlagernon-sprung radial bearing, main bearing
- 44
- Lageraußenring des angefederten RadiallagersBearing outer ring of the spring-loaded radial bearing
- 55
- Schraubenfeder als FederelementCoil spring as a spring element
- 66
- Lageraußering des HauptlagersBearing outer ring of the main bearing
- 77
- Blattfeder als FederelementLeaf spring as a spring element
- 88th
- Gehäusecasing
- 99
- Lagerbohrung des GehäusesBearing bore of the housing
- 1010
- Polygonlagerpolygon bearings
- 1111
- Lageraußenring des Polygonlagers, NadellagerhülseBearing outer ring of polygon bearing, needle bearing sleeve
- 1212
- Wälzkörper, Nadel des PolygonlagersRolling element, needle of the polygon bearing
- 1313
- Hüllkreis des PolygonlagersEnvelope of the polygon bearing
- 1414
- Pferchkreis des PolygonlagersPectoral circle of the polygon warehouse
- 1515
- Radiusverengungradius narrowing
- 1616
- äußere Anlagelinieouter investment line
- 1717
- innere Anlagelinieinner investment line
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210215443 DE102012215443A1 (en) | 2012-08-31 | 2012-08-31 | Arrangement for supporting shaft or hub element e.g. converter in housing of automatic transmission of vehicle, has radial bearing whose bearing outer ring is spring-loaded to apply radial clamping force on shaft or hub element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210215443 DE102012215443A1 (en) | 2012-08-31 | 2012-08-31 | Arrangement for supporting shaft or hub element e.g. converter in housing of automatic transmission of vehicle, has radial bearing whose bearing outer ring is spring-loaded to apply radial clamping force on shaft or hub element |
Publications (1)
Publication Number | Publication Date |
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DE102012215443A1 true DE102012215443A1 (en) | 2014-03-06 |
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DE201210215443 Withdrawn DE102012215443A1 (en) | 2012-08-31 | 2012-08-31 | Arrangement for supporting shaft or hub element e.g. converter in housing of automatic transmission of vehicle, has radial bearing whose bearing outer ring is spring-loaded to apply radial clamping force on shaft or hub element |
Country Status (1)
Country | Link |
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DE (1) | DE102012215443A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105257715A (en) * | 2015-11-16 | 2016-01-20 | 耒阳新达微科技有限公司 | Vibration reduction type bearing base |
DE102015223125B4 (en) * | 2015-11-24 | 2020-09-03 | Schaeffler Technologies AG & Co. KG | Bearing with two polygon bearings and a two-stage stiffness characteristic |
DE102020201957A1 (en) | 2020-02-17 | 2021-08-19 | Scanlab Gmbh | Galvanometer drive with backlash-free bearing |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH189218A (en) * | 1936-07-09 | 1937-02-15 | Oerlikon Maschf | Roller bearing. |
US2487343A (en) * | 1948-04-23 | 1949-11-08 | Laval Separator Co De | Bearing assembly for centrifuges and the like |
DE1078382B (en) * | 1958-02-13 | 1960-03-24 | Skf Kugellagerfabriken Gmbh | Arrangement to prevent migration in the case of radial ball bearings that are only axially loaded and inserted into the housing with radial play |
GB848536A (en) * | 1958-01-16 | 1960-09-21 | Schumag Schumacher Metallwerke | Bearings for tool spindles |
DE1978056U (en) * | 1966-11-15 | 1968-02-01 | Nadella | NEEDLE BEARING WITHOUT GAME. |
EP0554144A1 (en) * | 1992-01-31 | 1993-08-04 | Nadella | Play-free radial rolling bearing and its application to a car steering column |
DE4204981A1 (en) * | 1992-02-19 | 1993-08-26 | Schaeffler Waelzlager Kg | NOISE-FREE LOCKING WHEEL BEARING |
DE4440313A1 (en) * | 1994-02-28 | 1995-08-31 | Schaeffler Waelzlager Kg | Differential gear for motor vehicle |
JP2007089388A (en) * | 2005-08-25 | 2007-04-05 | Aisin Seiki Co Ltd | Bearing retention structure for motor |
-
2012
- 2012-08-31 DE DE201210215443 patent/DE102012215443A1/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH189218A (en) * | 1936-07-09 | 1937-02-15 | Oerlikon Maschf | Roller bearing. |
US2487343A (en) * | 1948-04-23 | 1949-11-08 | Laval Separator Co De | Bearing assembly for centrifuges and the like |
GB848536A (en) * | 1958-01-16 | 1960-09-21 | Schumag Schumacher Metallwerke | Bearings for tool spindles |
DE1078382B (en) * | 1958-02-13 | 1960-03-24 | Skf Kugellagerfabriken Gmbh | Arrangement to prevent migration in the case of radial ball bearings that are only axially loaded and inserted into the housing with radial play |
DE1978056U (en) * | 1966-11-15 | 1968-02-01 | Nadella | NEEDLE BEARING WITHOUT GAME. |
EP0554144A1 (en) * | 1992-01-31 | 1993-08-04 | Nadella | Play-free radial rolling bearing and its application to a car steering column |
DE4204981A1 (en) * | 1992-02-19 | 1993-08-26 | Schaeffler Waelzlager Kg | NOISE-FREE LOCKING WHEEL BEARING |
DE4440313A1 (en) * | 1994-02-28 | 1995-08-31 | Schaeffler Waelzlager Kg | Differential gear for motor vehicle |
JP2007089388A (en) * | 2005-08-25 | 2007-04-05 | Aisin Seiki Co Ltd | Bearing retention structure for motor |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105257715A (en) * | 2015-11-16 | 2016-01-20 | 耒阳新达微科技有限公司 | Vibration reduction type bearing base |
DE102015223125B4 (en) * | 2015-11-24 | 2020-09-03 | Schaeffler Technologies AG & Co. KG | Bearing with two polygon bearings and a two-stage stiffness characteristic |
DE102020201957A1 (en) | 2020-02-17 | 2021-08-19 | Scanlab Gmbh | Galvanometer drive with backlash-free bearing |
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