DE202019106956U1 - Angular contact ball bearings - Google Patents

Angular contact ball bearings Download PDF

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Publication number
DE202019106956U1
DE202019106956U1 DE202019106956.2U DE202019106956U DE202019106956U1 DE 202019106956 U1 DE202019106956 U1 DE 202019106956U1 DE 202019106956 U DE202019106956 U DE 202019106956U DE 202019106956 U1 DE202019106956 U1 DE 202019106956U1
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Prior art keywords
angular contact
contact ball
action
held
points
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DE202019106956.2U
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German (de)
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Rollax GmbH and Co KG
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Rollax GmbH and Co KG
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Priority to DE202019106956.2U priority Critical patent/DE202019106956U1/en
Priority to DE102020126802.5A priority patent/DE102020126802A1/en
Publication of DE202019106956U1 publication Critical patent/DE202019106956U1/en
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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
    • 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
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
    • 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
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
    • F16C19/166—Four-point-contact ball 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
    • 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
    • F16C33/583—Details of specific parts of races
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the 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
    • 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
    • F16C33/583—Details of specific parts of races
    • F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner 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
    • 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
    • F16C33/588—Races of sheet metal
    • 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
    • F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • F16C33/605—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings with a separate retaining member, e.g. flange, shoulder, guide ring, secured to a race ring, adjacent to the race surface, so as to abut the end of the rolling elements, e.g. rollers, or the cage
    • 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
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/30—Material joints
    • F16C2226/40—Material joints with adhesive
    • 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
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/50—Positive connections
    • F16C2226/70—Positive connections with complementary interlocking parts
    • F16C2226/74—Positive connections with complementary interlocking parts with snap-fit, e.g. by clips

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

Abstract

Schrägkugellager mit zwei Laufringen (10, 12), zwischen denen ein Kranz von Kugeln (14) so gehalten ist, dass die Angriffspunkte (p) der Laufringe auf jede Kugel (14) auf einer Hauptwirklinie (H) liegen, die schräg zur Achse (A) des Lages verläuft, dadurch gekennzeichnet, dass jeder Laufring (10, 12) einen axialen Fortsatz (16, 20) aufweist, der über die Scheitel der Kugeln (14) hinausragt und an dem ein jeweiliger Stützring (18, 22) so gehalten ist, dass die Angriffspunkte (q) der Stützringe auf jede Kugel (14) auf einer Linie liegen, die quer zur Hauptwirklinie (H) verläuft.

Figure DE202019106956U1_0000
Angular contact ball bearings with two raceways (10, 12), between which a ring of balls (14) is held in such a way that the points of application (p) of the raceways on each ball (14) lie on a main line of action (H) which is inclined to the axis ( A) of the position, characterized in that each race (10, 12) has an axial extension (16, 20) which protrudes over the apex of the balls (14) and on which a respective support ring (18, 22) is held is that the points of application (q) of the support rings on each ball (14) lie on a line that runs transversely to the main line of action (H).
Figure DE202019106956U1_0000

Description

Die Erfindung betrifft ein Schrägkugellager mit zwei Laufringen, zwischen denen ein Kranz von Kugeln so gehalten ist, dass die Angriffspunkte der Laufringe auf jede Kugel auf einer Hauptwirklinie liegen, die schräg zur Achse des Lagers verläuft.The invention relates to an angular contact ball bearing with two races, between which a ring of balls is held in such a way that the points of application of the races on each ball lie on a main line of action which runs obliquely to the axis of the bearing.

Schrägkugellager werden im Maschinenbau generell in Einbausituationen eingesetzt, in denen Schubkräfte in einer Richtung parallel zur Achse des Lagers aufgenommen werden müssen und darüber hinaus verlangt wird, dass das Lager auch Radialkräfte aufnehmen kann.Angular contact ball bearings are generally used in mechanical engineering in installation situations in which shear forces have to be absorbed in a direction parallel to the axis of the bearing and, in addition, it is required that the bearing can also absorb radial forces.

Aufgabe der Erfindung ist es, ein Schrägkugellager zu schaffen, das sich vielseitiger einsetzen lässt.The object of the invention is to create an angular contact ball bearing that can be used in a variety of ways.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass jeder Laufring einen axialen Fortsatz aufweist, der über die Scheitel der Kugeln hinausragt und an dem ein jeweiliger Stützring so gehalten ist, dass die Angriffspunkte des Stützrings auf jede Kugel auf einer Linie liegen, die quer zur Hauptwirklinie verläuft.This object is achieved according to the invention in that each race has an axial extension which protrudes beyond the apex of the balls and on which a respective support ring is held in such a way that the points of application of the support ring on each ball lie on a line that runs transversely to the main line of action .

Die Stützringe erlauben es, das Lager auch unter Einsatzbedingungen zu benutzen, in denen auf die Laufringe gelegentlich auch Zugkräfte wirken können, die die Tendenz haben, die beiden Laufringe in entgegengesetzten axialen Richtungen auseinander zu ziehen. In einer solchen Situation werden die Laufringe durch die zusätzlichen Stützringe zusammengehalten, so dass das Lager in einem gewissen Ausmaß auch Zugkräfte aufnehmen kann. In vielen Fällen lässt sich dadurch der Einbau eines zweiten Lagers vermeiden, das Axialkräfte in der Richtung aufnimmt, die der Hauptkraftrichtung des ersten Lagers entgegengesetzt ist.The support rings make it possible to use the bearing under operating conditions in which tensile forces can occasionally act on the races, which tend to pull the two races apart in opposite axial directions. In such a situation, the races are held together by the additional support rings, so that the bearing can also absorb tensile forces to a certain extent. In many cases this avoids the installation of a second bearing that absorbs axial forces in the direction opposite to the main force direction of the first bearing.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous refinements of the invention are specified in the subclaims.

Je nach Anforderungsprofil und Belastung können die Stützringe beispielsweise durch Kleben, Schweißen oder kraftschlüssig durch Einpressen oder auch durch Einclipsen an dem jeweils zugehörigen Laufring gehalten sein.Depending on the requirement profile and the load, the support rings can be held on the respective associated race, for example by gluing, welding or non-positively by pressing or also by clipping.

Im folgenden wird ein Ausführungsbeispiel anhand der Zeichnung näher erläutert.An exemplary embodiment is explained in more detail below with reference to the drawing.

Es zeigen:

  • 1 einen axialen Teilschnitt durch ein erfindungsgemäßes Schrägkugellager; und
  • 2 ein Beispiel für eine Einbausituation, in der das Schrägkugellager verwendet werden.
Show it:
  • 1 an axial partial section through an angular contact ball bearing according to the invention; and
  • 2 an example of an installation situation in which angular contact ball bearings are used.

Das in 1 gezeigte Schrägkugellager weist einen äußeren Laufring 10 und einen inneren Laufring 12 auf, die jeweils eine Laufbahn für einen Kranz von zwischen den Laufringen gehaltenen Kugeln 14 bilden. Die Angriffspunkte P, an denen die Kugeln die Laufflächen der Laufringe 10, 12 berühren, liegen für jede Kugel 14 auf einer Hauptwirklinie H, die schräg zur Achse A des Lagers verläuft, im gezeigten Beispiel unter einem Winkel von 45°. Der äußere Laufring 10 weist auf der Seite, auf der sich die Lauffläche für die Kugeln 14 befindet, am äußeren Umfangsrand einen axialen Fortsatz 16 auf, der über die äußeren Scheitel der Kugeln 14 hinausragt und an dem innenseitig ein Stützring 18 aus gehärtetem Stahlblech gehalten ist. Entsprechend weist auch der innere Laufring 12 auf der Seite, auf der sich seine Lauffläche befindet, am inneren Umfangsrand einen axialen Fortsatz 20 auf, der über die Scheitel der Kugeln 14 hinausragt und außenseitig einen Stützring 22 aus gehärtetem Stahlblech trägt.This in 1 Angular contact ball bearing shown has an outer race 10 and an inner race 12th on, each having a raceway for a ring of balls held between the races 14th form. The points of application P, at which the balls meet the running surfaces of the races 10 , 12th touch, lie for each ball 14th on a main line of action H that are oblique to the axis A. of the bearing runs, in the example shown, at an angle of 45 °. The outer race 10 points to the side on which the running surface for the balls is 14th is located, an axial extension on the outer peripheral edge 16 on, which is about the outer vertex of the balls 14th protrudes and on the inside a support ring 18th is held from hardened sheet steel. The inner race also has the same 12th on the side on which its running surface is located, an axial extension on the inner peripheral edge 20th on, the one over the vertex of the balls 14th protrudes and a support ring on the outside 22nd made of hardened sheet steel.

Die Stützringe 18 und 22 sind im gezeigten Beispiel so profiliert, dass sie jeweils eine Lauffläche bilden, die etwa parallel zur Hauptwirklinie H verläuft und jede Kugel 14 an einem Angriffspunkt q berührt. Die Angriffspunkte q jeder Kugel liegen auf einer Wirklinie, die quer zur Hauptwirklinie H verläuft, im gezeigten Beispiel rechtwinklig.The support rings 18th and 22nd are profiled in the example shown so that they each form a running surface that is approximately parallel to the main line of action H runs and every ball 14th touched at a point of attack q. The points of application q of each ball lie on a line of action that is perpendicular to the main line of action H runs at right angles in the example shown.

Der Stützring 18 ist formschlüssig oder kraftschlüssig an dem axialen Fortsatz des Laufrings 10 gehalten. Im gezeigten Beispiel ist er mit einer Rastnase 24 in den Fortsatz 16 eingeclipst. Auch der Stützring 22 hat eine Rastnase 26, mit der er auf den Fortsatz 20 des inneren Laufrings 12 aufgeclipst ist.The support ring 18th is positively or non-positively on the axial extension of the raceway 10 held. In the example shown, it is with a locking lug 24 in the appendix 16 clipped in. Also the support ring 22nd has a locking lug 26th with which he is on the appendix 20th of the inner race 12th is clipped on.

Aufgrund dieser Bauweise ist das Schrägkugellager nicht nur in der Lage, Kräfte aufzunehmen, die eine Komponente in Richtung der Hauptwirklinie H haben, sondern auch Kräfte, die rechtwinklig dazu wirken. Die Laufringe 10, 12, ohne die Stützringe 18, 20, könnten radiale Kräfte aufnehmen, sowie axiale Schubkräfte F, die die Tendenz haben, die Laufringe 10, 12 gegen die Kurbeln 14 anzudrücken. Dank der Stützringe 18, 22 kann das Lager jedoch in gewissem Ausmaß auch Zugkräfte Z aufnehmen, die die Tendenz haben, die Laufringe auseinander zu ziehen.Due to this design, the angular contact ball bearing is not only able to absorb forces that a component in the direction of the main line of action H have, but also forces that act at right angles to them. The races 10 , 12th , without the support rings 18th , 20th , could absorb radial forces, as well as axial shear forces F, which have the tendency to act on the races 10 , 12th against the cranks 14th to press. Thanks to the support rings 18th , 22nd However, to a certain extent the bearing can also absorb tensile forces Z, which tend to pull the races apart.

2 zeigt ein Anwendungsbeispiel, in dem ein gemäß der Erfindung ausgebildetes Schrägkugellager 28 dazu dient, eine gestufte Hülse 30, die eine Hohlwelle 32 an einem Ende abschließt, in einer topfförmigen Aufnahme 34 eines Gehäuses 36 zu lagern. Unter normalen Einsatzbedingungen ist die Hohlwelle 32 axialen Kräften ausgesetzt, die die Tendenz haben, die Hülse 30 gegen den Boden der topfförmigen Aufnahme 34 zu drücken. Durch die Laufflächen der Laufringe des Schrägkugellagers 28 wird ein Teil dieser Kräfte in radiale Kräfte umgesetzt. 2 shows an application example in which an angular contact ball bearing designed according to the invention 28 serves a stepped sleeve 30th who have favourited a hollow shaft 32 ends at one end, in a cup-shaped receptacle 34 a housing 36 to store. Under normal conditions of use, the hollow shaft is 32 exposed to axial forces that tend to affect the sleeve 30th against the bottom of the cup-shaped receptacle 34 to press. Through the running surfaces of the races of the angular contact ball bearing 28 some of these forces are converted into radial forces.

Gelegentlich kann es jedoch vorkommen, dass die Hohlwelle 32 axialen Kräften ausgesetzt ist, die in der entgegengesetzten Richtung wirken. In dem Fall verhindern die Stützringe 18, 22, dass die Hülse 30 aus der Aufnahme 34 herausgezogen wird.Occasionally, however, it can happen that the hollow shaft 32 is exposed to axial forces acting in the opposite direction. In this case, the support rings prevent 18th , 22nd that the sleeve 30th from the recording 34 is pulled out.

Claims (4)

Schrägkugellager mit zwei Laufringen (10, 12), zwischen denen ein Kranz von Kugeln (14) so gehalten ist, dass die Angriffspunkte (p) der Laufringe auf jede Kugel (14) auf einer Hauptwirklinie (H) liegen, die schräg zur Achse (A) des Lages verläuft, dadurch gekennzeichnet, dass jeder Laufring (10, 12) einen axialen Fortsatz (16, 20) aufweist, der über die Scheitel der Kugeln (14) hinausragt und an dem ein jeweiliger Stützring (18, 22) so gehalten ist, dass die Angriffspunkte (q) der Stützringe auf jede Kugel (14) auf einer Linie liegen, die quer zur Hauptwirklinie (H) verläuft.Angular contact ball bearings with two raceways (10, 12), between which a ring of balls (14) is held in such a way that the points of application (p) of the raceways on each ball (14) lie on a main line of action (H) which is inclined to the axis ( A) of the position, characterized in that each race (10, 12) has an axial extension (16, 20) which protrudes over the apex of the balls (14) and on which a respective support ring (18, 22) is held is that the points of application (q) of the support rings on each ball (14) lie on a line that runs transversely to the main line of action (H). Schrägkugellager nach Anspruch 1, bei dem die Angriffspunkte (q) der Stützringe (18, 20) auf einer Wirklinie liegen, die rechtwinklig zur der Hauptwirklinie (H) verläuft.Angular contact ball bearings according to Claim 1 , in which the points of application (q) of the support rings (18, 20) lie on a line of action which runs at right angles to the main line of action (H). Schrägkugellager nach Anspruch 1 oder 2, bei dem die Stützringe (18, 22) aus profiliertem Stahlblech gebildet sind.Angular contact ball bearings according to Claim 1 or 2 , in which the support rings (18, 22) are formed from profiled sheet steel. Schrägkugellager nach einem der vorstehenden Ansprüche, bei dem die axialen Fortsätze (16, 20) der Laufringe (10, 12) zylindrisch sind und jeder Stützring (18, 22) einen zylindrischen Wandbereich aufweist, mit dem er kraft-, form- oder stoffschlüssig an dem Fortsatz gehalten ist.Angular contact ball bearing according to one of the preceding claims, in which the axial extensions (16, 20) of the races (10, 12) are cylindrical and each support ring (18, 22) has a cylindrical wall area with which it is frictionally, positively or materially the continuation is held.
DE202019106956.2U 2019-12-13 2019-12-13 Angular contact ball bearings Active DE202019106956U1 (en)

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DE202019106956.2U DE202019106956U1 (en) 2019-12-13 2019-12-13 Angular contact ball bearings
DE102020126802.5A DE102020126802A1 (en) 2019-12-13 2020-10-13 Angular contact ball bearings

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE554676C (en) * 1932-07-13 Karl Britting Stamped ball bearing
GB467921A (en) * 1934-12-26 1937-06-25 D Horlogerie La Champagne Loui Improvements in or relating to the manufacture of ball bearings
FR2076601A5 (en) * 1970-01-21 1971-10-15 Marchant Andre Charles
FR2169541A5 (en) * 1972-01-28 1973-09-07 Germond Hubert De
DE102017106195B3 (en) * 2017-03-22 2018-06-14 Schaeffler Technologies AG & Co. KG Arrangement with a farm machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE554676C (en) * 1932-07-13 Karl Britting Stamped ball bearing
GB467921A (en) * 1934-12-26 1937-06-25 D Horlogerie La Champagne Loui Improvements in or relating to the manufacture of ball bearings
FR2076601A5 (en) * 1970-01-21 1971-10-15 Marchant Andre Charles
FR2169541A5 (en) * 1972-01-28 1973-09-07 Germond Hubert De
DE102017106195B3 (en) * 2017-03-22 2018-06-14 Schaeffler Technologies AG & Co. KG Arrangement with a farm machine

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