DE102006056911A1 - Linear ball bearing, has outer surface of outer ring of radial bearing formed in spherical shape, and surrounded by ring with complementary spherical inner surface by forming counter bearing - Google Patents
Linear ball bearing, has outer surface of outer ring of radial bearing formed in spherical shape, and surrounded by ring with complementary spherical inner surface by forming counter bearing Download PDFInfo
- Publication number
- DE102006056911A1 DE102006056911A1 DE200610056911 DE102006056911A DE102006056911A1 DE 102006056911 A1 DE102006056911 A1 DE 102006056911A1 DE 200610056911 DE200610056911 DE 200610056911 DE 102006056911 A DE102006056911 A DE 102006056911A DE 102006056911 A1 DE102006056911 A1 DE 102006056911A1
- Authority
- DE
- Germany
- Prior art keywords
- bearing
- ring
- outer ring
- channel
- linear ball
- 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- Withdrawn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
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
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/068—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track
- F16C29/0683—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque
- F16C29/0685—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque with 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
- 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
- F16C19/44—Needle bearings
- F16C19/48—Needle bearings with two or more rows of needles
-
- 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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
- F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
- F16C23/084—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface sliding on a complementary spherical surface
-
- 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
- F16C31/00—Bearings for parts which both rotate and move linearly
- F16C31/04—Ball or roller bearings
- F16C31/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
Description
Gebiet der ErfindungField of the invention
Die Erfindung betrifft ein Linearkugellager umfassend einen Außenring mit mehreren um den Innenumfang verteilt angeordneten Kugelreihen mit Kugelumlenkungen.The The invention relates to a linear ball bearing comprising an outer ring with several rows of balls distributed around the inner circumference with ball deflections.
Hintergrund der ErfindungBackground of the invention
Derartige Linearkugellager sind hinlänglich bekannt, sie werden häufig auch als „Kugelbüchsen" bezeichnet. Am Innenumfang des Lagers sind, äquidistant verteilt angeordnet, mehrere Kugelreihen mit zugeordneten Kugelumlenkungen beziehungsweise Rückführungen vorgesehen. Diese Kugelreihen verlaufen parallel zur Lagerlängsachse. Auf diesen Kugelreihen läuft das Linearkugellager auf einer es durchsetzenden Welle, so dass ein mit dem Linearkugellager verbundenes Bauteil linear längs der Welle geführt werden kann. Jedoch lassen bekannte Linearkugellager ausschließlich lineare Bewegungen zu, das heißt, es ist letztlich lediglich ein Bewegungsfreiheitsgrad gegeben. Weiterhin ist ein etwaiger Winkelfehler, der bei Linearkugellagern mitunter auftreten kann, nicht ausgleichbar.such Linear ball bearings are well known they become common Also referred to as "ball bushes." On the inner circumference of the camp are equidistant arranged distributed, several rows of balls with associated ball deflections or repatriations intended. These rows of balls run parallel to the bearing axis. Running on these rows of balls the linear ball bearing on a shaft passing through it, so that a component connected to the linear ball bearing linearly along the Wave guided can be. However, known linear ball bearings only allow linear Movements to, that is, Ultimately, there is only one degree of freedom of movement. Farther is a possible angular error, sometimes with linear ball bearings can occur, can not be compensated.
Zusammenfassung der ErfindungSummary of the invention
Der Erfindung liegt damit das Problem zugrunde, ein mehrere Bewegungsfreiheitsgrade aufweisendes Linearkugellager anzugeben, bei dem gleichzeitig die Möglichkeit zum Ausgleich etwaiger Winkelfehler gegeben ist.Of the Invention is thus based on the problem, a multiple degrees of freedom of movement indicate linear ball bearing, in which at the same time possibility to compensate for any angular error is given.
Zur Lösung dieses Problem ist bei einem Linearkugellager der eingangs genannten Art erfindungsgemäß vorgesehen, dass auf dem Außenring ein ein- oder mehrreihiges Radiallager angeordnet ist, wobei der Außenring als Innenring des Radiallagers dient, und dass der Außenring des Radiallagers sphärisch ausgeführt und von einem weiteren Ring mit komplementärer sphärischer Innenfläche unter Bildung eines Gelenklagers umgriffen ist.to solution this problem is in a linear ball bearing of the aforementioned Art provided according to the invention, that on the outer ring a single or multi-row Radial bearing is arranged, wherein the outer ring as an inner ring of the radial bearing serves, and that the outer ring spherical bearing spherical accomplished and another ring of complementary spherical inner surface to form is surrounded by a joint stock.
Über das erfindungsgemäß vorgesehene Radiallager besteht neben der reinen Linearbewegung auch eine Rotationsmöglichkeit um die Lagerlängsachse, also um die lineare Bewegungsachse. Das Radiallager ist dabei unmittelbar auf den Außenring des Linearkugellagers aufgebaut, dieser bildet die Lauffläche für die einzelnen Wälzkörper. Das Radiallager kann beliebiger Natur sein, z.B. mit nadel-, rollen- oder tonnenförmigen Wälzkörpern, wobei im Hinblick auf eine möglichst geringe Bauhöhe ein Nadellager bevorzugt wird. Zur Ermöglichung eines Winkelfehlerausgleichs ist weiterhin dem Radiallager radial folgend ein Gelenklager vorgesehen. Zu diesem Zweck ist der Radiallageraußenring von einem weiteren Ring umgriffen, wobei zwischen beiden sphärische Laufflächen ausgebildet sind. Beispielsweise wölbt sich die Außenfläche des Radiallageraußenrings konvex nach außen, während die Innenfläche des weiteren Rings der konvexen Form entsprechend konkav nach innen gekrümmt ist. Diese ballige Ausgestaltung ermöglicht die Bildung eines Gelenklagers, bei welchem der weitere Ring relativ zum Radiallageraußenring winkelverstellbar ist. Hierüber ist damit auch zwangsläufig eine Winkelverstellbarkeit relativ zum Linearlagerteil gegeben, wodurch etwaige Fehlstellungen desselben ohne weiteres ausgeglichen werden können.About the According to the invention provided radial bearings exists in addition to the pure linear motion and a rotation option around the bearing axis, So around the linear axis of motion. The radial bearing is immediate on the outer ring built up of the linear ball bearing, this forms the tread for the individual Rolling elements. The Radial bearing can be of any nature, e.g. with needle, roller or barrel-shaped Rolling elements, wherein with regard to a possible low height a needle bearing is preferred. To enable an angle error compensation is also the radial bearing radially following a joint bearing provided. For this purpose, the radial bearing outer ring of another Enclosed ring, wherein formed between the two spherical treads are. For example, bulges the outside surface of the Radial bearing outer ring convex to the outside, while the inner surface the other ring of the convex shape according to concave inward bent is. This crowned design allows the formation of a hinge bearing, in which the further ring relative to the radial bearing outer ring is adjustable in angle. Over here is with it inevitably given an angular adjustability relative to the linear bearing part, whereby any misalignments thereof readily compensated can be.
Das erfindungsgemäße Kombinations-Linearkugellager lässt also drei separate Bewegungen zu, zeigt also drei separate Freiheitsgrade. Das Lager lässt lineare Bewegungen zu, bei gleichzeitiger rotativer Bewegungsmöglichkeit um die Lagerlängsachse, verbunden mit einer Ausgleichsmöglichkeit von Winkel-/Fluchtfehlern durch die Umgebungskonstruktion, wobei über das Gelenklager natürlich auch bewusste Winkeleinstellungen vorgenommen werden können. Das erfindungsgemäße Linearkugellager ist damit multifunktional.The inventive combination linear ball bearings so lets three separate movements, so shows three separate degrees of freedom. The camp lets linear movements too, with simultaneous rotative movement possibility around the bearing axis, connected with a compensation possibility of Angle / misalignments by the surrounding construction, whereby about the joint bearing naturally also conscious Angle settings can be made. The linear ball bearing according to the invention is thus multifunctional.
Um eine Schmierung des Gelenklagers zu ermöglichen, kann wenigstens ein den weiteren Ring durchsetzender Kanal vorgesehen sein, der an der sphärischen Innenfläche mündet. Über diesen Kanal kann Schmiermittel zwischen die aufeinander laufenden sphärischen Flächen zwischen Radiallageraußenring und dem weiteren Ring gebracht werden, so dass stets eine optimale Gelenklagerschmierung gegeben ist.Around To allow lubrication of the joint bearing, at least one the further ring passing through the channel may be provided, which at the spherical palm empties. About this Channel can lubricate between the consecutive spherical surfaces between radial bearing outer ring and the other ring are brought, so that always an optimal Joint bearing lubrication is given.
Um auch eine Schmierung des Radiallagers zu ermöglichen, ist zweckmäßigerweise an dem Radiallageraußenring wenigstens eine umlaufende Nut vorgesehen, die direkt oder über einen Kanal an der inneren Wälzkörperlauffläche mündet. Das heißt, etwaiges über den Kanal im weiteren Ring zugeführtes Schmiermittel kann in die umlaufende Nut eindringen und über diese entweder direkt in den Bereich der inneren Wälzkörperlauffläche oder über entsprechende von der Nut abzweigende Zuführkanäle an die innere Lauffläche gelangen. Anstelle einer Nut ist es auch denkbar, einen sich von der sphärischen Fläche des Radiallageraußenrings zu der inneren Wälzkörperlauffläche hin erstreckenden Kanal vorzusehen, über den gleichermaßen ein von außen zugeführtes Schmiermittel in den Bereich der Wälzkörper gelangen kann.Around also to allow lubrication of the radial bearing is expediently on the radial bearing outer ring at least one circumferential groove provided directly or via a Channel opens at the inner Wälzkörperlauffläche. The is called, something over the channel in the further ring supplied lubricant can penetrate into the circumferential groove and over this either directly in the area of the inner rolling element running surface or via corresponding from the groove branching supply channels to the inner tread reach. Instead of a groove, it is also conceivable, a from the spherical one Area of Radial bearing outer ring to the inner Wälzkörperlauffläche out Provide extending channel over the same one from the outside supplied lubricant get into the area of the rolling elements can.
Bei mehrreihigen Radiallagern, z.B. Nadellagern, geht zweckmäßigerweise von der Nut je ein Kanal zu je einer Wälzkörperreihe hin ab, so dass jede Wälzkörperreihe separat mit Schmiermittel versorgt werden kann. Ist anstelle der Nut wenigstens ein oder sind mehrere separate Kanäle vorgesehen, so führen diese direkt von der sphärischen Außenringfläche zu je einer Wälzkörperreihe.In multi-row radial bearings, such as needle bearings, expediently from the groove per a channel from each row of rolling down, so that each row of rolling elements can be supplied separately with lubricant. If instead of the groove at least one or more separate channels are provided, then lead this directly from the spherical outer ring surface to a row of rolling elements.
Dabei mündet zweckmäßigerweise der den Ring durchsetzende Kanal oder, sollten mehrere vorgesehen sein, diese mehreren Kanäle jeweils oberhalb der umlaufenden Nut, so dass zugeführtes Schmiermittel auch unmittelbar in die Nut gelangt. Sind im Außenring separate, von der sphärischen Außenringfläche abgehende Kanäle anstelle der Nut vorgesehen, so sind diese bevorzugt wie auch der Kanal oder die Kanäle im weiteren Ring mittig angeordnet, so dass auch sie miteinander fluchten, also die von außen kommenden Kanäle des weiteren Rings oberhalb der Kanäle in der Außenringfläche münden, jeweils bezogen natürlich auf eine unverkippte Stellung beider Ringe zueinander.there ends expediently the channel passing through the ring or, should several be provided be, these multiple channels each above the circumferential groove, so that supplied lubricant also passes directly into the groove. Are in the outer ring separate, outgoing from the spherical outer ring surface channels provided instead of the groove, these are preferred as well as the channel or the channels arranged centrally in the other ring, so that they too with each other aligned, that is from the outside upcoming channels the further ring above the channels in the outer ring surface open, respectively related of course to an untilted position of both rings to each other.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus dem im Folgenden beschriebenen Beispiel sowie anhand der Zeichnungen. Dabei zeigen:Further Advantages, features and details of the invention will become apparent the example described below and with reference to the drawings. Showing:
Detaillierte Beschreibung der ZeichnungenDetailed description the drawings
Am
Außenring
Der
Außenring
Ersichtlich
sind hier also drei Bewegungsmöglichkeiten
gegeben, nämlich
zum einen die lineare Beweglichkeit über die Kugelreihen
Um
auch das Nadellager
Anstelle
eines oder mehrerer separater Kanäle
- 11
- LinearkugellagerLinear ball bearings
- 22
- Außenringouter ring
- 33
- Innere RingInner ring
- 44
- Ausnehmungenrecesses
- 55
- Kugelnroll
- 66
- Kugelreihenrows of balls
- 77
- Nadellagerneedle roller bearings
- 88th
- Außenflächeouter surface
- 99
- Nadelnneedles
- 1010
- Außenringouter ring
- 1111
- Anschlagringestop rings
- 1212
- Fixierringefixing rings
- 1313
- Außenflächeouter surface
- 1414
- weiterer RingAnother ring
- 1515
- Innenflächepalm
- 1616
- GelenklagerSpherical Plain bearings
- 1717
- Kanalchannel
- 1818
- Kanalchannel
- 1919
- Kanalchannel
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200610056911 DE102006056911A1 (en) | 2006-12-02 | 2006-12-02 | Linear ball bearing, has outer surface of outer ring of radial bearing formed in spherical shape, and surrounded by ring with complementary spherical inner surface by forming counter bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200610056911 DE102006056911A1 (en) | 2006-12-02 | 2006-12-02 | Linear ball bearing, has outer surface of outer ring of radial bearing formed in spherical shape, and surrounded by ring with complementary spherical inner surface by forming counter bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102006056911A1 true DE102006056911A1 (en) | 2008-06-05 |
Family
ID=39338920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE200610056911 Withdrawn DE102006056911A1 (en) | 2006-12-02 | 2006-12-02 | Linear ball bearing, has outer surface of outer ring of radial bearing formed in spherical shape, and surrounded by ring with complementary spherical inner surface by forming counter bearing |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102006056911A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008060313A1 (en) * | 2008-12-03 | 2010-06-10 | Ab Skf | Roller bearing arrangement for cylinder of printing machine, comprises set of primary rolling bodies, and set of secondary rolling bodies, where set of primary rolling bodies comprises two rows of tapered rollers |
| US20190078681A1 (en) * | 2017-09-08 | 2019-03-14 | Hiwin Technologies Corp. | Lubricatable ball screw device |
| JP2019049317A (en) * | 2017-09-11 | 2019-03-28 | 上銀科技股▲フン▼有限公司 | Ball spline mechanism |
| CN110242667A (en) * | 2019-06-14 | 2019-09-17 | 国家电网有限公司 | Universal bearing device and bird repellent |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3490251A (en) * | 1968-09-18 | 1970-01-20 | Gen Motors Corp | Pot type universal joint |
| DE2331268A1 (en) * | 1972-06-29 | 1974-01-24 | Borg Warner | SELF-ALIGNING STORAGE ARRANGEMENT |
| DE3105632A1 (en) * | 1980-02-15 | 1982-02-25 | Glaenzer Spicer, 78301 Poissy, Yvelines | ROLLER AND SLIDE BEARING ARRANGEMENT |
| DE3713402A1 (en) * | 1986-06-30 | 1988-01-07 | Emerson Electric Co | DOUBLE-ROW CYLINDRICAL EXPANSION BEARING |
| US5993065A (en) * | 1998-07-13 | 1999-11-30 | Chrysler Corporation | Universal slider bushing |
-
2006
- 2006-12-02 DE DE200610056911 patent/DE102006056911A1/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3490251A (en) * | 1968-09-18 | 1970-01-20 | Gen Motors Corp | Pot type universal joint |
| DE2331268A1 (en) * | 1972-06-29 | 1974-01-24 | Borg Warner | SELF-ALIGNING STORAGE ARRANGEMENT |
| DE3105632A1 (en) * | 1980-02-15 | 1982-02-25 | Glaenzer Spicer, 78301 Poissy, Yvelines | ROLLER AND SLIDE BEARING ARRANGEMENT |
| DE3713402A1 (en) * | 1986-06-30 | 1988-01-07 | Emerson Electric Co | DOUBLE-ROW CYLINDRICAL EXPANSION BEARING |
| US5993065A (en) * | 1998-07-13 | 1999-11-30 | Chrysler Corporation | Universal slider bushing |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008060313A1 (en) * | 2008-12-03 | 2010-06-10 | Ab Skf | Roller bearing arrangement for cylinder of printing machine, comprises set of primary rolling bodies, and set of secondary rolling bodies, where set of primary rolling bodies comprises two rows of tapered rollers |
| DE102008060313B4 (en) * | 2008-12-03 | 2012-10-04 | Ab Skf | Rolling bearing assembly of a cylinder of a printing press |
| US20190078681A1 (en) * | 2017-09-08 | 2019-03-14 | Hiwin Technologies Corp. | Lubricatable ball screw device |
| US10619672B2 (en) * | 2017-09-08 | 2020-04-14 | Hiwin Technologies Corp. | Lubricatable ball spline device |
| JP2019049317A (en) * | 2017-09-11 | 2019-03-28 | 上銀科技股▲フン▼有限公司 | Ball spline mechanism |
| CN110242667A (en) * | 2019-06-14 | 2019-09-17 | 国家电网有限公司 | Universal bearing device and bird repellent |
| CN110242667B (en) * | 2019-06-14 | 2021-08-17 | 国家电网有限公司 | A universal bearing device and bird repelling device |
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