CH122137A - Device for the lubrication of roller bearings. - Google Patents
Device for the lubrication of roller bearings.Info
- Publication number
- CH122137A CH122137A CH122137DA CH122137A CH 122137 A CH122137 A CH 122137A CH 122137D A CH122137D A CH 122137DA CH 122137 A CH122137 A CH 122137A
- Authority
- CH
- Switzerland
- Prior art keywords
- lubrication
- bearing
- grooves
- lubricant
- roller bearings
- Prior art date
Links
- 238000005461 lubrication Methods 0.000 title claims description 13
- 239000000314 lubricant Substances 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004804 winding Methods 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/36—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with feed by pumping action of the member to be lubricated or of a shaft of the machine; Centrifugal lubrication
-
- 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
- F16C33/46—Cages for rollers or needles
- F16C33/4605—Details of interaction of cage and race, e.g. retention or centring
-
- 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
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock 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
- 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
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
- F16C33/6666—Details of supply of the liquid to the bearing, e.g. passages or nozzles from an oil bath in the bearing housing, e.g. by an oil ring or centrifugal disc
-
- 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
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
-
- 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
-
- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
Einrichtung zur Schmierung von Wälzlagern. Das Verwendungsgebiet der Wälzlager ist durch die mit zunehmender Drehzahl stark abnehmende Tragfähigkeit einge schränkt. Als Hauptgrund hierfür wurde die namentlich bei grösseren Drehzahlen quanti tativ unrichtige Schmierung der rollenden und gleitenden Lagerteile gefunden.
Der Schmiermittelbedarf eines Lagers ist bekanntlich direkt proportional dem Lei stungsverluste. Bei einem Wälzlager ist nun dieser Leistungsverlust und daher der Schmiermittelbedarf ungefähr direkt pro portional der Drehzahl. In der bisherigen Praxis bekommen die Wälzlager meistens bei niedrigen Drehzahlen zu viel und bei hohen zu wenig Schmiermaterial, oder dann wird die Schmierung derart reichlich ge macht, dass bei allen Drehzahlen immer zu viel Schmiermaterial in die Lager eintritt. Zu reichliche Schmierung ist aber auch sehr nachteilig, da dann die grossen Mengen des stets mehr oder weniger zähflüssigen Schmiermaterials im Betriebe bremsend wir ken und die Reibungsverluste in den Wälz lagern vergrössern. Für jede Drehzahl gibt es daher eine günstigste Schmiermittelmenge, und zwar ist diese ungefähr direkt propor tional der Drehzahl.
Dieser Erkenntnis ge genüber war es bisher ein grosser Nachteil, dass die Wahl der in die Wälzlager treten den Schmiermittelmenge den Lagerbenützern überlassen werden musste. Die vorliegende Erfindung betrifft nun eine Einrichtung zur selbsttätigen Schmierung von Wälzlagern.
Gemäss der Erfindung werden schrau- benlinienförmige Nuten an einem oder meh reren Lagerteilen so angebracht, dass im Be trieb dadurch eine durch die Abmessungen und Anzahl der Nuten willkürlich festgelegte Pumpwirkung erzielt wird, die das Schmier mittel in axialer Richtung durch das Wälz- Lager fördert.
Die Schmiereinrichtung ist nachstehend unter Benützung der Fig. 1, 2 und 3 als Aus führungsbeispiele beschrieben.
In Fig. 1 sind an dem aus den Haupt teilen: Innenring 1, Aussenring 2, Rollen 4 und Käfig 3 bestehenden Wälzlager schrau- benlinienförmige Nuten 6 und 9 aussen an dem Käfig 3 angebracht. Der mit den Nu ten 6 und 9 versehene Käfig 3 und der Aussenring 2 bilden nun zusammen eine in der Technik allgemein bekannte Viskositäts pumpe, das heisst es wird hei der Relativ verdrehung bezw. Verschiebung der Ober flächen des Käfigs 3 und des Aussenringes 2 infolge der Nuten 6 und 9 ein Druck auf das Schmiermittel ausgeübt, der es dann in axialer Richtung durch das Wälzlager presst und dieses entsprechend dem Zweck der Er findung auf diese Art schmiert.
Für die Erreichung der Pumpwirkung ist es gleichgültig, ob der Aussenring 2 oder der Käfig 3 oder sogar der Innenring 1, wie in der Fig. 1 strichpunktiert eingezeichnet ist, und auch ob einer oder mehrere Lager teile gleichzeitig die charakteristischen Nuten aufweisen. Der Windungssinn der Nuten dieser Teile kann gleich oder verschieden sein. Die Nuten eines einzelnen dieser Lager teile sind ebenfalls entweder wie die Nuten 6 und 9 der Fig. 2 gleichsinnig oder zum Beispiel, wie die Nuten 5 und 6 der Fig. 3 ungleichsinnig gewunden. Die Anordnung gleichsinniger Nuten nach Fig. 2 erzeugt bei jeder Drehrichtung eine Schmiermittelzirku lation durch das Wälzlager und staut zum Beispiel das Öl auf der einen Lagerseite. Um diese Stauung wieder auszugleichen, ist, wie zum Beispiel in der Fig. 1, im La gergehäuse 7 eine Umlaufleitung 3 vorhan den.
Je nach Erfordernis wird, wie zum Beispiel in Fig. 1, ein Sieb 10 in den Öl strom eingebaut, um das Öl im Betrieb dauernd zu reinigen.
Device for the lubrication of roller bearings. The area of application of the rolling bearings is limited by the load capacity, which decreases sharply with increasing speed. The main reason found was the quantitatively incorrect lubrication of the rolling and sliding bearing parts, especially at higher speeds.
As is well known, the lubricant requirement of a bearing is directly proportional to the losses. In the case of a roller bearing, this loss of power and therefore the lubricant requirement is approximately directly proportional to the speed. In previous practice, the roller bearings usually received too much lubricant at low speeds and too little lubricant at high speeds, or the lubrication is then made so abundantly that too much lubricant material always enters the bearings at all speeds. Too abundant lubrication is also very disadvantageous, since then the large amounts of the more or less viscous lubricating material in the company brake we ken and increase the friction losses in the rollers. For each speed there is therefore the most favorable amount of lubricant, and this is approximately directly proportional to the speed.
Compared to this knowledge, it was previously a major disadvantage that the choice of the amount of lubricant used in the rolling bearings had to be left to the bearing users. The present invention now relates to a device for the automatic lubrication of roller bearings.
According to the invention, helical grooves are attached to one or more bearing parts in such a way that, during operation, a pumping effect determined by the dimensions and number of grooves is achieved, which pumps the lubricant in the axial direction through the roller bearing.
The lubrication device is described below using FIGS. 1, 2 and 3 as exemplary embodiments from.
In FIG. 1, the roller bearings consisting of the main parts: inner ring 1, outer ring 2, rollers 4 and cage 3 are attached to the outside of the cage 3 in the form of helical grooves 6 and 9. The cage 3 provided with the grooves 6 and 9 and the outer ring 2 now together form a viscosity pump generally known in the art, that is to say it is called the relative rotation. Shifting the upper surfaces of the cage 3 and the outer ring 2 as a result of the grooves 6 and 9 exerted pressure on the lubricant, which then presses it in the axial direction through the roller bearing and lubricates it in this way according to the purpose of the invention.
To achieve the pumping effect, it does not matter whether the outer ring 2 or the cage 3 or even the inner ring 1, as shown in phantom in FIG. 1, and whether one or more bearing parts simultaneously have the characteristic grooves. The direction of winding of the grooves in these parts can be the same or different. The grooves of a single one of these bearing parts are also wound either in the same direction as the grooves 6 and 9 of FIG. 2 or, for example, as the grooves 5 and 6 of FIG. 3 in the same direction. The arrangement of grooves in the same direction as shown in FIG. 2 generates a lubricant circulation through the roller bearing in each direction of rotation and, for example, accumulates the oil on one side of the bearing. In order to compensate for this stagnation again, as for example in FIG. 1, a circulation line 3 is in the La gergehäuse 7 IN ANY of the.
Depending on the requirement, as for example in Fig. 1, a sieve 10 is built into the oil stream in order to continuously clean the oil during operation.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH122137T | 1926-06-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH122137A true CH122137A (en) | 1927-09-01 |
Family
ID=4380945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH122137D CH122137A (en) | 1926-06-18 | 1926-06-18 | Device for the lubrication of roller bearings. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH122137A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1625563A1 (en) * | 1967-07-18 | 1970-08-13 | Krauss Maffei Ag | Device for cooling roller bearings using fresh lubricating oil |
DE2555923A1 (en) * | 1975-12-12 | 1977-06-30 | Kugelfischer G Schaefer & Co | RING, PREFERABLY ROLLER BEARING RING |
DE3238475A1 (en) * | 1982-10-16 | 1984-04-19 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | Radial roller bearing with oil-bath lubrication |
WO1994024446A1 (en) * | 1993-04-19 | 1994-10-27 | Chang Chun Du | Self-pumping roller bearings |
DE102006033555A1 (en) * | 2006-07-20 | 2008-01-24 | Deutz Ag | Roller bearing with associated oil filter for e.g. automotive applications, agricultural machinery, marine diesel engines |
EP1895177A2 (en) * | 2006-08-30 | 2008-03-05 | Honeywell International Inc. | Bearing with fluid flow bypass |
DE102006052835A1 (en) * | 2006-11-09 | 2008-05-15 | Schaeffler Kg | Radial bearing i.e. cylindrical roller bearing, for use in e.g. wind power plant, has retainer arranged between rings for guiding rolling units, and drive units arranged in boards for movement of lubricant during rotating motion of bearing |
US7380990B2 (en) | 2004-12-03 | 2008-06-03 | Toyota Jidosha Kabushiki Kaisha | Bearing, bearing mechanism, and plunger pump |
WO2010022708A1 (en) * | 2008-08-29 | 2010-03-04 | Schaeffler Kg | Profiling of guide surfaces in rolling bearings with rim-guided cage |
DE102010034216A1 (en) * | 2010-08-07 | 2012-02-09 | Minebea Co., Ltd. | roller bearing |
EP2518356A1 (en) | 2011-04-29 | 2012-10-31 | Aktiebolaget SKF | Bearing assembly |
DE102015202686A1 (en) * | 2015-02-13 | 2016-08-18 | Zf Friedrichshafen Ag | Bearings, gears and motor vehicles |
-
1926
- 1926-06-18 CH CH122137D patent/CH122137A/en unknown
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1625563A1 (en) * | 1967-07-18 | 1970-08-13 | Krauss Maffei Ag | Device for cooling roller bearings using fresh lubricating oil |
DE2555923A1 (en) * | 1975-12-12 | 1977-06-30 | Kugelfischer G Schaefer & Co | RING, PREFERABLY ROLLER BEARING RING |
DE3238475A1 (en) * | 1982-10-16 | 1984-04-19 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | Radial roller bearing with oil-bath lubrication |
WO1994024446A1 (en) * | 1993-04-19 | 1994-10-27 | Chang Chun Du | Self-pumping roller bearings |
US7380990B2 (en) | 2004-12-03 | 2008-06-03 | Toyota Jidosha Kabushiki Kaisha | Bearing, bearing mechanism, and plunger pump |
DE102005057751B4 (en) * | 2004-12-03 | 2012-03-01 | Toyota Jidosha Kabushiki Kaisha | Bearing mechanism and piston pump |
DE102006033555A1 (en) * | 2006-07-20 | 2008-01-24 | Deutz Ag | Roller bearing with associated oil filter for e.g. automotive applications, agricultural machinery, marine diesel engines |
EP1895177A3 (en) * | 2006-08-30 | 2008-11-05 | Honeywell International Inc. | Bearing with fluid flow bypass |
US7789567B2 (en) | 2006-08-30 | 2010-09-07 | Honeywell International Inc. | Bearing with fluid flow bypass |
EP1895177A2 (en) * | 2006-08-30 | 2008-03-05 | Honeywell International Inc. | Bearing with fluid flow bypass |
DE102006052835A1 (en) * | 2006-11-09 | 2008-05-15 | Schaeffler Kg | Radial bearing i.e. cylindrical roller bearing, for use in e.g. wind power plant, has retainer arranged between rings for guiding rolling units, and drive units arranged in boards for movement of lubricant during rotating motion of bearing |
WO2010022708A1 (en) * | 2008-08-29 | 2010-03-04 | Schaeffler Kg | Profiling of guide surfaces in rolling bearings with rim-guided cage |
DE102010034216A1 (en) * | 2010-08-07 | 2012-02-09 | Minebea Co., Ltd. | roller bearing |
EP2518356A1 (en) | 2011-04-29 | 2012-10-31 | Aktiebolaget SKF | Bearing assembly |
DE102011017766A1 (en) * | 2011-04-29 | 2012-10-31 | Aktiebolaget Skf | bearing arrangement |
DE102015202686A1 (en) * | 2015-02-13 | 2016-08-18 | Zf Friedrichshafen Ag | Bearings, gears and motor vehicles |
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