DE102006004965A1 - Device for decreasing discharge of lubricant, out of roller bearing, has outer bearing ring and inner bearing ring, where rolling element is located between rings, where bearing ring ripple element is engaged in intermediate space - Google Patents
Device for decreasing discharge of lubricant, out of roller bearing, has outer bearing ring and inner bearing ring, where rolling element is located between rings, where bearing ring ripple element is engaged in intermediate space Download PDFInfo
- Publication number
- DE102006004965A1 DE102006004965A1 DE102006004965A DE102006004965A DE102006004965A1 DE 102006004965 A1 DE102006004965 A1 DE 102006004965A1 DE 102006004965 A DE102006004965 A DE 102006004965A DE 102006004965 A DE102006004965 A DE 102006004965A DE 102006004965 A1 DE102006004965 A1 DE 102006004965A1
- Authority
- DE
- Germany
- Prior art keywords
- bearing
- lubricant
- ring
- bearing ring
- leakage
- 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.)
- Withdrawn
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 22
- 239000000314 lubricant Substances 0.000 title claims description 15
- 230000003247 decreasing effect Effects 0.000 title 1
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/41—Ball cages comb-shaped
- F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
- F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
-
- 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
- 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
- F16C33/72—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
- F16C33/7893—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a cage or integral therewith
-
- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/70—Diameters; Radii
-
- 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
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
-
- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
-
- 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
- F16H—GEARING
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
Stand der Technikwas standing of the technique
In
der
Die
Technische AufgabeTechnical task
Der Erfindung liegt die Aufgabe zugrunde, eine kostengünstige, einfach herzustellende und schnell zusammenbauende Einrichtung zur Verringerung des Austritts von Schmierstoff aus einem Wälzlager zu schaffen.Of the Invention is based on the object, a cost, easy to manufacture and quick to assemble device for Reduction of lubricant leakage from a rolling bearing to accomplish.
Diese Aufgabe wird gemäß den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausführungsformen und Weiterbildungen sind in den unabhängigen Ansprüchen angegeben.These Task is performed according to the characteristics of Claim 1 solved. Advantageous embodiments and further developments are specified in the independent claims.
Technische LösungTechnical solution
Erfindungsgemäß sind zur Verringerung des Austritts von Schmierstoff aus einem Wälzlager mit einem inneren und einem äußeren Ring und darin angeordneten Wälzkörpern ringförmig angeordnete Lagereingriffelemente vorgesehen, die in den durch den inneren und äußeren Ring und den darin angeordneten Wälzkörpern begrenzten Zwischenraum eingreifen und mit einer scheibenförmigen Abdeckung verbunden sind. Die scheibenförmige Abdeckung überdeckt dabei stirnseitig den Bereich des Zwischenraums des Wälzlagers.According to the invention are for Reduction of lubricant leakage from a rolling bearing with an inner and an outer ring and arranged therein rolling elements annularly arranged Bearing engagement elements provided in the through the inner and outer ring and limited therein rolling elements limited Intervene gap and connected to a disc-shaped cover are. The disc-shaped Cover covered while the end face the area of the intermediate space of the bearing.
Eine bevorzugte Ausführungsform der erfindungsgemäßen Einrichtung zur Verringerung des Austritts von Schmierstoff aus einem Wälzlager sieht vor, dass die Lagereingriffelemente einen Lagerkäfig zur Führung der Wälzkörper bilden.A preferred embodiment the device according to the invention to reduce the leakage of lubricant from a rolling bearing provides that the bearing engagement elements a bearing cage for guide form the rolling elements.
In einer weiteren Ausführungsform ist vorgesehen, die scheibenförmige Abdeckung als durchgehend geschlossen auszuführen.In a further embodiment is provided, the disc-shaped Cover to run as closed throughout.
Im Falle dass das Wälzlager als ein flexibles, elliptisch verformbares Dünnringlager ausgeführt ist, ist es von Vorteil, dass der äußere Durchmesser der scheibenförmigen Abdeckung derart mit dem Maß der hohen Halbachse des elliptisch verformten äußeren Lagerrings korreliert, dass eine stirnseitige Überdeckung im Bereich des durch den äußeren Ring begrenzten Zwischenraumes während einer Umdrehung des Dünnringlagers gewährleistet ist.in the Trap that the rolling bearing is designed as a flexible, elliptically deformable thin-ring bearing is It is advantageous that the outer diameter the disc-shaped Cover such with the measure of high half-axis of the elliptically deformed outer race, that a frontal overlap in the area of the outer ring limited space during one turn of the thin-film bearing guaranteed is.
Dementsprechend
ist in einer weiteren Ausführungsform
vorgesehen, dass die scheibenförmige Abdeckung
(
In
einer weiteren Ausführungsform
bei der das flexibles Dünnringlager
auf einem Wellgenerator (
In einer weiteren Ausprägung der Erfindung ist vorgesehen, das Wellgetriebe in einer zur additiven Überlagerung eines vorgegeben Lenkwinkels mit einem Zusatz-Lenkwinkel geeigneten Aktivlenkung eines Kraftfahrzeugs einzusetzen.In another expression the invention is provided, the wave gear in a for additive superposition a predetermined steering angle with an additional steering angle suitable active steering a Motor vehicle use.
Eine besonders vorteilhafte Weiterbildung der Erfindung sieht vor, das Wälzlager als flexibles Dünnringlager auszuführen und zur Übertragung einer Wellbewegung elliptisch zu modulieren, wobei der Außendurchmesser der scheibenförmigen Abdeckung mit dem Maß der hohen Halbachse der elliptischen Wellenbewegung korreliert. Dies hat den Vorteil, dass eine stetige Überdeckung des an der Stirnfläche des Dünnringlagers elliptisch ausgebildeten Zwischenraums gewährleistet wird.A Particularly advantageous embodiment of the invention provides that roller bearing as a flexible thin-ring bearing perform and for transmission elliptical to modulate a corrugation, the outer diameter the disc-shaped Cover with the measure of high semiaxis of the elliptical wave motion correlates. This has the advantage that a steady covering of the at the face of the Thin section bearing elliptically formed gap is ensured.
Weitere Kombinationen und Variationen der erfindungsgemäßen Einrichtung werden für den Fachmann als nahe liegend erachtet, ohne sich dabei aus dem beanspruchten Schutzumfang vorliegender Erfindung zu bewegen. So ist es auch vorgesehen, die Eingriffelemente und die scheibenförmige Abdeckung als einteiliges Kunststoff-Spritzgussteil auszuführen.Further Combinations and variations of the device according to the invention will be apparent to those skilled in the art considered to be obvious, without leaving the claimed Scope of the present invention to move. So it is also intended, the Engagement elements and the disc-shaped cover as one piece To perform plastic injection molded part.
Die Vorteile ergeben sich entsprechend der Aufgabenstellung. Die erfindungsgemäße Einrichtung stellt eine Alternative zu den aus dem Stand der Technik bekannten „clean bearings" dar. Der Austritt von Schmierstoffen aus einem Wälzlager kann mittels der erfindungsgemäßen Einrichtung nicht vollständig verhindert werden. Versuche mit einem Dünnringlager in einem Wellgetriebe haben bestätigt, dass der Austritt von Schmierstoffen um bis zu 90% reduziert werden kann.The advantages arise in accordance with the task. The device according to the invention represents an alternative to the "clean bearings" known from the prior art. The escape of lubricants from a roller bearing can not be fully accomplished by means of the device according to the invention be prevented at all times. Tests with a thin-section bearing in a corrugated transmission have confirmed that the leakage of lubricants can be reduced by up to 90%.
Insbesondere die Anwendung der erfindungsgemäßen Einrichtung in Verbindung mit einem elliptisch verformten Dünnringlager in einem Wellgetriebe wird als besonders vorteilhaft erachtet, da die erfindungsgemäße Einrichtung keine erhöhte Reibung oder Geräuschbildung verursacht, was zum Teil darauf zurückzuführen ist, dass die Abdeckung mit den Lagereingriffelementen bzw. den Lagerkäfig mit umläuft.Especially the application of the device according to the invention in conjunction with an elliptically deformed thin-ring bearing in a wave gear is considered particularly advantageous since the device according to the invention no increased Friction or noise caused, in part, due to the fact that the cover with the bearing engagement elements or the bearing cage rotates with.
Der Austritt von Schmierstoffen hängt dabei auch von der Drehzahl des inneren und äußeren Lagerrings, und der Konsistenz und der Menge des eingesetzten Schmierstoffs ab.Of the Leakage of lubricants depends as well as the speed of the inner and outer bearing ring, and the consistency and the amount of lubricant used.
Die
einzige Figur zeigt ein als Dünnringlager ausgebildetes
Wälzlager
- 11
- Wälzlagerroller bearing
- 22
- Wälzkörperrolling elements
- 33
- äußerer Lagerringouter bearing ring
- 44
- innerer Lagerringinternal bearing ring
- 55
- Abdeckungcover
- 66
- LagereingriffeLocation intervention
- 77
- Wellgeneratorwave generator
- 88th
- Kragencollar
- 99
- flexibles Zahnradflexible gear
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006004965A DE102006004965A1 (en) | 2006-02-01 | 2006-02-01 | Device for decreasing discharge of lubricant, out of roller bearing, has outer bearing ring and inner bearing ring, where rolling element is located between rings, where bearing ring ripple element is engaged in intermediate space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006004965A DE102006004965A1 (en) | 2006-02-01 | 2006-02-01 | Device for decreasing discharge of lubricant, out of roller bearing, has outer bearing ring and inner bearing ring, where rolling element is located between rings, where bearing ring ripple element is engaged in intermediate space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102006004965A1 true DE102006004965A1 (en) | 2007-08-16 |
Family
ID=38265827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102006004965A Withdrawn DE102006004965A1 (en) | 2006-02-01 | 2006-02-01 | Device for decreasing discharge of lubricant, out of roller bearing, has outer bearing ring and inner bearing ring, where rolling element is located between rings, where bearing ring ripple element is engaged in intermediate space |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102006004965A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074234A (en) * | 2021-04-06 | 2021-07-06 | 浙江来福谐波传动股份有限公司 | Manufacturing method of four-point contact flexible bearing harmonic reducer |
| CN115516222A (en) * | 2020-08-20 | 2022-12-23 | 舍弗勒技术股份两合公司 | Bearing assembly and method of assembling the bearing assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1913905U (en) * | 1965-02-17 | 1965-04-15 | Duerkoppwerke Ag | ROLLER BEARINGS, IN PARTICULAR GROOVE BALL BEARINGS. |
| US3554621A (en) * | 1967-08-23 | 1971-01-12 | Federal Bearings Co Inc | Combination cage and seal for antifriction bearings |
| DE3446114A1 (en) * | 1983-12-21 | 1985-07-04 | SKF (U.K.) Ltd., Luton, Bedfordshire | BEARING SEAL |
| DE3447149A1 (en) * | 1984-12-22 | 1986-07-10 | FAG Kugelfischer Georg Schäfer KGaA, 8720 Schweinfurt | ROLLER BEARINGS, IN PARTICULAR BALL BEARINGS |
| DE4312364A1 (en) * | 1993-04-16 | 1994-10-20 | Schaeffler Waelzlager Kg | Radial rolling-contact bearing |
| DE29711143U1 (en) * | 1997-06-26 | 1998-10-29 | Sachsenring Entwicklungsgesellschaft mbH, 08058 Zwickau | Bearing, especially for a jig |
| DE10337581A1 (en) * | 2003-08-16 | 2005-03-10 | Zahnradfabrik Friedrichshafen | Planet drive, comprising elliptical axle surrounded by ball bearing with circular inner path |
| DE102004050728A1 (en) * | 2004-10-19 | 2006-04-20 | Ina-Schaeffler Kg | Thin section bearings |
-
2006
- 2006-02-01 DE DE102006004965A patent/DE102006004965A1/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1913905U (en) * | 1965-02-17 | 1965-04-15 | Duerkoppwerke Ag | ROLLER BEARINGS, IN PARTICULAR GROOVE BALL BEARINGS. |
| US3554621A (en) * | 1967-08-23 | 1971-01-12 | Federal Bearings Co Inc | Combination cage and seal for antifriction bearings |
| DE3446114A1 (en) * | 1983-12-21 | 1985-07-04 | SKF (U.K.) Ltd., Luton, Bedfordshire | BEARING SEAL |
| DE3447149A1 (en) * | 1984-12-22 | 1986-07-10 | FAG Kugelfischer Georg Schäfer KGaA, 8720 Schweinfurt | ROLLER BEARINGS, IN PARTICULAR BALL BEARINGS |
| DE4312364A1 (en) * | 1993-04-16 | 1994-10-20 | Schaeffler Waelzlager Kg | Radial rolling-contact bearing |
| DE29711143U1 (en) * | 1997-06-26 | 1998-10-29 | Sachsenring Entwicklungsgesellschaft mbH, 08058 Zwickau | Bearing, especially for a jig |
| DE10337581A1 (en) * | 2003-08-16 | 2005-03-10 | Zahnradfabrik Friedrichshafen | Planet drive, comprising elliptical axle surrounded by ball bearing with circular inner path |
| DE102004050728A1 (en) * | 2004-10-19 | 2006-04-20 | Ina-Schaeffler Kg | Thin section bearings |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115516222A (en) * | 2020-08-20 | 2022-12-23 | 舍弗勒技术股份两合公司 | Bearing assembly and method of assembling the bearing assembly |
| CN115516222B (en) * | 2020-08-20 | 2025-09-26 | 舍弗勒技术股份两合公司 | Bearing assembly and bearing assembly assembly method |
| CN113074234A (en) * | 2021-04-06 | 2021-07-06 | 浙江来福谐波传动股份有限公司 | Manufacturing method of four-point contact flexible bearing harmonic reducer |
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| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| 8139 | Disposal/non-payment of the annual fee |