WO2008119745A1 - Rolling bearing device - Google Patents
Rolling bearing device Download PDFInfo
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- WO2008119745A1 WO2008119745A1 PCT/EP2008/053673 EP2008053673W WO2008119745A1 WO 2008119745 A1 WO2008119745 A1 WO 2008119745A1 EP 2008053673 W EP2008053673 W EP 2008053673W WO 2008119745 A1 WO2008119745 A1 WO 2008119745A1
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- Prior art keywords
- rolling bearing
- adjusting
- bearing device
- adjusting means
- unit
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Classifications
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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
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
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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
- F16C29/00—Bearings for parts moving only linearly
- F16C29/12—Arrangements for adjusting play
Definitions
- the invention relates to a roller bearing device according to the preamble of claim 1.
- the rolling bearing apparatus comprises an adjusting unit provided for adjusting a radial clamping force between the rolling bearing units and a corresponding guide means formed by a column.
- the adjustment unit is partially integral with the column, which has circumferentially rising wedges at its periphery. In a bracing the rolling bearing units are loaded by means of the rising wedges radially outward.
- the invention is in particular the object of providing an advantageous flexi-usable rolling bearing device. It is achieved according to the invention by the features of claim 1. Further embodiments emerge from the subclaims.
- the invention relates to a roller bearing device, in particular for linear guidance, with at least one roller bearing unit and a setting unit, which is provided for adjusting a clamping force between the rolling bearing unit and a corresponding guide means.
- the setting unit has at least one adjusting means, which is provided to move the rolling bearing unit in order to achieve the clamping force in the direction of the corresponding guide means.
- the term "provided” should be understood to mean in particular specially designed and / or equipped, wherein the rolling bearing units may be designed as movable bearings or as a fixed bearing.
- a particularly flexible rolling bearing device can be created, which can be used in particular in different, corresponding to the rolling bearing unit guide means.
- a corresponding Wälzlagervorrich- device advantageously be used in machines with an adjustable stroke and / or on machines with different strokes.
- the adjusting means may be arranged at least partially on a side facing the receiving area for the guide means of the roller bearing unit and / or at least partially on a side facing away from the receiving area relative to an axis of rotation of the roller bearing units, whereby the actuating means can be structurally easily integrated.
- the adjusting means is annular and / or ring segment-shaped, whereby advantageous reaction forces of the clamping force can be accommodated in the actuating means.
- annular should be understood to mean, in particular, a shape closed in the circumferential direction and "ring segment-shaped", in particular a shape divided in the circumferential direction, ring segments being able to be directly coupled in the circumferential direction or also spaced apart.
- the rolling bearing device has at least two roller bearing units, wherein the adjusting means is provided to the Adjust the clamping force of at least two rolling bearing units.
- two rolling bearing units should be understood to mean in particular two units which are spaced apart, in particular transversely to a linear guide direction and particularly advantageously in the circumferential direction to a corresponding guide means formed by a column, and which, in particular at least partially for mutual reception, of the By means of a corresponding design, additional components, weight, assembly costs and costs can be saved. [Ferner Ferner]
- reaction forces resulting from the clamping forces can be advantageously supported.
- the adjusting means is movably mounted in at least one adjusting direction, which has at least one component transverse to a linear guide direction, whereby a space-saving integration of the actuating means achieved and also easy adjustability can be ensured.
- the adjusting means is mounted so as to be movable exclusively in a direction of adjustment running parallel to the linear guide direction.
- a "direction of adjustment” should be understood to mean in particular a direction in which the adjusting means is moved during an adjustment.
- the adjusting means is coupled via at least one sliding surface, directly or indirectly via another component, with the rolling bearing unit, whereby a particularly space-saving coupling can be achieved.
- the adjusting means is coupled via at least one rolling element with the rolling bearing unit, whereby a reduced friction can be achieved at a setting.
- the adjusting means has at least one inclined surface, which is provided for adjusting the clamping force, whereby advantageously a particular stepless adjustability can be achieved.
- an "inclined surface” should be understood to mean in particular a surface which forms an angle to a reference path of the rolling bearing device, so that during a movement along the reference path, as in particular along a predetermined by a rotation of the actuating means circular path, an adjusting movement with at least one component transverse to the reference path is formed.
- the rolling bearing device has at least one guide means which, viewed in the direction of the clamping force, is arranged at least partially between the adjusting means and the roller bearing unit, unwanted friction on the roller bearing unit and consequent wear of the rolling bearing unit during an adjustment process can be easily avoided.
- FIG. 5 shows an enlarged detail V from FIG. 4. Description of the embodiment
- Figure 1 shows a machine with a carriage 78 which is guided over four guide means 22 formed by columns, wherein only two guide means 22 are shown.
- the machine has per guide means 22 two in the axial direction of the guide means 22 successively arranged rolling bearing devices for linear guidance of the carriage 78 in the linear guide direction 50, 52.
- the roller bearing device has four rolling bearing units 10, 12, 14, 16, which are distributed uniformly over the circumference of the guide means 22 formed by the column and which comprise rolling bodies 80 of identical construction, each of which is held in flat cages 98 (FIGS and 3). Instead of four rolling bearing units 10, 12, 14, 16, more or fewer rolling bearing units can be provided. Furthermore, the rolling bearing device comprises an adjusting unit 18 for adjusting a clamping force 20 between the roller bearing units 10, 12, 14, 16 and the corresponding guide means 22 (FIGS. 4 and 5).
- the setting unit 18 comprises an annular adjusting means 24, which is provided to the rolling bearing units 10, 12, 14, 16 to achieve the clamping force 20 in the radial direction 26 to the corresponding guide means 22 to move.
- the rolling elements 80 of the rolling bearing units 10, 12, 14, 16 form on the side facing the guide means 22 each have a rolling surface 38, 40, 42, 44, the spaced in the circumferential direction of the guide means 22 spaced, formed by flats guide surfaces 82, 84, 86, 88 of the guide means 22 cooperate.
- the adjusting means 24 is based on rotation axes 30, 32, 34, 36 of the rolling bearing units 10, 12, 14, 16 or the rolling elements 80 on a receiving area for the corresponding guide means 22 opposite side or radially outside of the rolling bearing units 10, 12, 14th , 16 arranged and acts as viewed in the direction of the clamping force 20 between the adjusting means 24 and the rolling bearing units 10, 12, 14, 16 arranged, formed by guide rails, separated from each other formed guide means 70, 72, 74, 76 on the rolling bearing units 10, 12, 14, 16.
- the rolling bearing units 10, 12, 14, 16 are, starting from a radially outer starting position, in the relaxed state in the radial direction 26 movably mounted via a distance provided for setting 28 in a radially inner position.
- the adjusting means 24 is rotatably mounted in adjusting directions 46, 48 which are perpendicular to the linear guide directions 50, 52.
- the adjusting means 24 is mounted on its radially outer periphery via a sliding surface 90 on a corresponding sliding surface 92 of a bearing ring 94.
- the adjusting means 24 on sliding surfaces 54, 56, 58, 60, via which the adjusting means 24 via the guide means 70, 72, 74, 76 is coupled to the rolling bearing units 10, 12, 14, 16.
- the sliding surfaces 54, 56, 58, 60 have, viewed in the circumferential direction, molded, ramp-like inclined surfaces 62, 64, 66, 68, which are provided for adjusting the clamping force 20.
- the inclined surfaces 62, 64, 66, 68 enclose an angle not equal to zero to a circular path predetermined by an adjusting movement of the adjusting means 24.
- the adjusting means 24 is rotated in the adjusting direction 46 or in the clockwise direction, the inclined surfaces 62, 64, 66, 68 come with the guide means 70, 72, 74 , 76 in abutment, the guide means 70, 72, 74, 76 are displaced by an inclined by the inclined surfaces 62, 64, 66, 68 inside diameter of the actuating means 24 in the radial direction 26 inwardly and the rolling bearing units 10, 12, 14, 16 are braced with the guide means 22 by means of the clamping force 20 (FIGS. 4 and 5).
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
Description
Bezeichnung der Erfindung Name of the invention
WälzlagervorrichtungRolling device
Beschreibungdescription
Gebiet der ErfindungField of the invention
Die Erfindung geht aus von einer Wälzlagervorrichtung nach dem Oberbegriff des Anspruchs 1.The invention relates to a roller bearing device according to the preamble of claim 1.
Aus der Druckschrift DE 196 25 551 A1 ist eine gattungsgemäße Wälzlagervor- richtung für eine Linearführung mit drei in Umfangsrichtung hintereinander angeordneten Wälzlagereinheiten bekannt. Die Wälzlagervorrichtung umfasst eine Einstelleinheit, die zur Einstellung einer Radialspannkraft zwischen den Wälzlagereinheiten und einem korrespondierenden, von einer Säule gebildeten Führungsmittel vorgesehen ist. Die Einstelleinheit ist teilweise einstückig mit der Säule ausgeführt, die an ihrem Umfang in Umfangsrichtung ansteigende Keile aufweist. Bei einem Verspannen werden die Wälzlagereinheiten mittels der ansteigenden Keile radial nach außen belastet.From the document DE 196 25 551 A1 a generic Wälzlagervor- direction for a linear guide with three circumferentially successively arranged rolling bearing units is known. The rolling bearing apparatus comprises an adjusting unit provided for adjusting a radial clamping force between the rolling bearing units and a corresponding guide means formed by a column. The adjustment unit is partially integral with the column, which has circumferentially rising wedges at its periphery. In a bracing the rolling bearing units are loaded by means of the rising wedges radially outward.
Der Erfindung liegt insbesondere die Aufgabe zugrunde, eine vorteilhaft flexi- bei einsetzbare Wälzlagervorrichtung bereitzustellen. Sie wird gemäß der Erfindung durch die Merkmale des Anspruchs 1 gelöst. Weitere Ausgestaltungen ergeben sich aus den Unteransprüchen.The invention is in particular the object of providing an advantageous flexi-usable rolling bearing device. It is achieved according to the invention by the features of claim 1. Further embodiments emerge from the subclaims.
Vorteile der ErfindungAdvantages of the invention
Die Erfindung geht aus von einer Wälzlagervorrichtung, insbesondere zur Linearführung, mit wenigstens einer Wälzlagereinheit und einer Einstelleinheit, die zur Einstellung einer Spannkraft zwischen der Wälzlagereinheit und einem korrespondierenden Führungsmittel vorgesehen ist.The invention relates to a roller bearing device, in particular for linear guidance, with at least one roller bearing unit and a setting unit, which is provided for adjusting a clamping force between the rolling bearing unit and a corresponding guide means.
Es wird vorgeschlagen, dass die Einstelleinheit wenigstens ein Stellmittel auf- weist, das dazu vorgesehen ist, die Wälzlagereinheit zur Erzielung der Spannkraft in Richtung zum korrespondierenden Führungsmittel zu bewegen. Dabei soll unter „vorgesehen" insbesondere speziell ausgelegt und/oder ausgestattet verstanden werden, wobei die Wälzlagereinheiten als Loslager oder als Festlager ausgebildet sein können.It is proposed that the setting unit has at least one adjusting means, which is provided to move the rolling bearing unit in order to achieve the clamping force in the direction of the corresponding guide means. In this case, the term "provided" should be understood to mean in particular specially designed and / or equipped, wherein the rolling bearing units may be designed as movable bearings or as a fixed bearing.
Durch eine entsprechende Ausgestaltung kann eine besonders flexibel einsetzbare Wälzlagervorrichtung geschaffen werden, die insbesondere bei verschiedenen, mit der Wälzlagereinheit korrespondierenden Führungsmitteln eingesetzt werden kann. Ferner kann eine entsprechende Wälzlagervorrich- tung vorteilhaft bei Maschinen mit einem einstellbaren Hub und/oder bei Maschinen mit unterschiedlichen Hüben eingesetzt werden.By a corresponding embodiment, a particularly flexible rolling bearing device can be created, which can be used in particular in different, corresponding to the rolling bearing unit guide means. Furthermore, a corresponding Wälzlagervorrich- device advantageously be used in machines with an adjustable stroke and / or on machines with different strokes.
Das Stellmittel kann dabei bezogen auf eine Rotationsachse der Wälzlagereinheiten zumindest teilweise auf einer einem Aufnahmebereich für das Füh- rungsmittel der Wälzlagereinheit zugewandten und/oder zumindest teilweise auf einer dem Aufnahmebereich abgewandten Seite angeordnet sein, wodurch das Stellmittel konstruktiv einfach integriert werden kann.The adjusting means may be arranged at least partially on a side facing the receiving area for the guide means of the roller bearing unit and / or at least partially on a side facing away from the receiving area relative to an axis of rotation of the roller bearing units, whereby the actuating means can be structurally easily integrated.
In einer weiteren Ausgestaltung der Erfindung wird vorgeschlagen, dass das Stellmittel ringförmig und/oder ringsegmentförmig ausgebildet ist, wodurch vorteilhaft Reaktionskräfte der Spannkraft im Stellmittel aufgenommen werden können. Dabei soll unter „ringförmig" insbesondere eine in Umfangsrichtung geschlossene Form und unter „ringsegmentförmig" insbesondere eine in Umfangsrichtung geteilte Form verstanden werden, wobei Ringsegmente in Um- fangsrichtung direkt gekoppelt oder auch beabstandet ausgeführt sein können.In a further embodiment of the invention it is proposed that the adjusting means is annular and / or ring segment-shaped, whereby advantageous reaction forces of the clamping force can be accommodated in the actuating means. In this case, "annular" should be understood to mean, in particular, a shape closed in the circumferential direction and "ring segment-shaped", in particular a shape divided in the circumferential direction, ring segments being able to be directly coupled in the circumferential direction or also spaced apart.
Ferner wird vorgeschlagen, dass die Wälzlagervorrichtung zumindest zwei Wälzlagereinheiten aufweist, wobei das Stellmittel dazu vorgesehen ist, die Spannkraft der mindestens zwei Wälzlagereinheiten einzustellen. Dabei sollen unter „zwei Wälzlagereinheiten" insbesondere zwei Einheiten verstanden werden, die beabstandet, insbesondere quer zu einer Linearführungsrichtung und besonders vorteilhaft in Umfangsrichtung zu einem von einer Säule gebildeten korrespondierenden Führungsmittel, angeordnet sind und die, insbesondere zumindest teilweise zur gegenseitigen Aufnahme, von aus den Spannkräften resultierenden Reaktionskräften vorgesehen sind. Durch eine entsprechende Ausgestaltung können zusätzliche Bauteile, Gewicht, Montageaufwand und Kosten eingespart werden. Ferner können vorteilhaft aus den Spannkräften resultierende Reaktionskräfte vorteilhaft abgestützt werden.It is further proposed that the rolling bearing device has at least two roller bearing units, wherein the adjusting means is provided to the Adjust the clamping force of at least two rolling bearing units. In this case, "two rolling bearing units" should be understood to mean in particular two units which are spaced apart, in particular transversely to a linear guide direction and particularly advantageously in the circumferential direction to a corresponding guide means formed by a column, and which, in particular at least partially for mutual reception, of the By means of a corresponding design, additional components, weight, assembly costs and costs can be saved. [Ferner Ferner] Advantageously, reaction forces resulting from the clamping forces can be advantageously supported.
Vorteilhaft ist das Stellmittel in zumindest eine Stellrichtung beweglich gelagert, die wenigstens eine Komponente quer zu einer Linearführungsrichtung aufweist, wodurch eine Platz sparende Integration des Stellmittels erreicht und zudem eine einfache Einstellbarkeit gewährleistet werden kann. Grundsätzlich ist jedoch auch denkbar, dass das Stellmittel ausschließlich in eine parallel zur Linearführungsrichtung verlaufende Stellrichtung beweglich gelagert ist. Dabei soll unter einer „Stellrichtung" insbesondere eine Richtung verstanden werden, in die das Stellmittel bei einer Verstellung bewegt wird.Advantageously, the adjusting means is movably mounted in at least one adjusting direction, which has at least one component transverse to a linear guide direction, whereby a space-saving integration of the actuating means achieved and also easy adjustability can be ensured. In principle, however, it is also conceivable that the adjusting means is mounted so as to be movable exclusively in a direction of adjustment running parallel to the linear guide direction. In this case, a "direction of adjustment" should be understood to mean in particular a direction in which the adjusting means is moved during an adjustment.
In einer weiteren Ausgestaltung der Erfindung wird vorgeschlagen, dass das Stellmittel über wenigstens eine Gleitfläche, direkt oder indirekt über ein weiteres Bauteil, mit der Wälzlagereinheit gekoppelt ist, wodurch eine besonders Platz sparende Kopplung erzielt werden kann. Grundsätzlich ist jedoch auch denkbar, dass das Stellmittel über wenigstens einen Wälzkörper mit der Wälzlagereinheit gekoppelt ist, wodurch eine reduzierte Reibung bei einer Einstellung erreicht werden kann.In a further embodiment of the invention it is proposed that the adjusting means is coupled via at least one sliding surface, directly or indirectly via another component, with the rolling bearing unit, whereby a particularly space-saving coupling can be achieved. In principle, however, it is also conceivable that the adjusting means is coupled via at least one rolling element with the rolling bearing unit, whereby a reduced friction can be achieved at a setting.
Ferner wird vorgeschlagen, dass das Stellmittel wenigstens eine Schrägfläche aufweist, die zur Einstellung der Spannkraft vorgesehen ist, wodurch vorteilhaft eine insbesondere stufenlose Einstellbarkeit erreichbar ist. Dabei soll unter einer „Schrägfläche" insbesondere eine Fläche verstanden werden, die zu einer Bezugsbahn der Wälzlagervorrichtung einen Winkel einschließt, so dass bei einer Bewegung entlang der Bezugsbahn, wie insbesondere entlang einer durch eine Rotation des Stellmittels vorgegebenen Kreisbahn, eine Stellbewegung mit zumindest einer Komponente quer zur Bezugsbahn entsteht.It is also proposed that the adjusting means has at least one inclined surface, which is provided for adjusting the clamping force, whereby advantageously a particular stepless adjustability can be achieved. In this case, an "inclined surface" should be understood to mean in particular a surface which forms an angle to a reference path of the rolling bearing device, so that during a movement along the reference path, as in particular along a predetermined by a rotation of the actuating means circular path, an adjusting movement with at least one component transverse to the reference path is formed.
Weist die Wälzlagervorrichtung wenigstens ein Führungsmittel auf, das in Richtung der Spannkraft betrachtet zumindest teilweise zwischen dem Stellmittel und der Wälzlagereinheit angeordnet ist, kann eine unerwünschte Reibung an der Wälzlagereinheit und ein dadurch bedingter Verschleiß der Wälzlagereinheit bei einem Verstellvorgang einfach vermieden werden.If the rolling bearing device has at least one guide means which, viewed in the direction of the clamping force, is arranged at least partially between the adjusting means and the roller bearing unit, unwanted friction on the roller bearing unit and consequent wear of the rolling bearing unit during an adjustment process can be easily avoided.
Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Die Zeichnung, die Beschreibung und die Ansprüche enthalten zahlreiche Merkmale in Kombination. Der Fachmann wird die Merkmale zweckmäßigerweise auch ein- zeln betrachten und zu sinnvollen weiteren Kombinationen zusammenfassen.Further advantages emerge from the following description of the drawing. In the drawing, an embodiment of the invention is shown. The drawing, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations.
Es zeigen:Show it:
Fig. 1 eine schematisiert dargestellte Maschine mit erfindungsgemäßen Wälzlagervorrichtungen,1 is a schematically illustrated machine with rolling bearing devices according to the invention,
Fig. 2 einen Schnitt entlang der Linie M-Il in Figur 1 durch eine Wälzlagervorrichtung in einem entspannten Zustand,2 shows a section along the line M-II in Figure 1 by a rolling bearing device in a relaxed state,
Fig. 3 einen vergrößerten Ausschnitt IM aus Figur 2,3 is an enlarged detail IM of Figure 2,
Fig. 4 die Wälzlagervorrichtung gemäß Figur 2 in einem gespanntenFig. 4, the rolling bearing device according to Figure 2 in a tensioned
Zustand undState and
Figur 5 einen vergrößerten Ausschnitt V aus Figur 4. Beschreibung des AusführungsbeispielsFIG. 5 shows an enlarged detail V from FIG. 4. Description of the embodiment
Figur 1 zeigt eine Maschine mit einem Schlitten 78, der über vier von Säulen gebildeten Führungsmitteln 22 geführt ist, wobei nur zwei Führungsmittel 22 dargestellt sind. Die Maschine weist je Führungsmittel 22 zwei in axialer Richtung der Führungsmittel 22 hintereinander angeordnete Wälzlagervorrichtungen zur Linearführung des Schlittens 78 in Linearführungsrichtung 50, 52 auf.Figure 1 shows a machine with a carriage 78 which is guided over four guide means 22 formed by columns, wherein only two guide means 22 are shown. The machine has per guide means 22 two in the axial direction of the guide means 22 successively arranged rolling bearing devices for linear guidance of the carriage 78 in the linear guide direction 50, 52.
Die Wälzlagervorrichtung weist vier gleichmäßig über den Umfang des von der Säule gebildeten Führungsmittels 22 verteilt angeordnete Wälzlagereinheiten 10, 12, 14, 16 auf, die jeweils zwei Reihen von Walzen gebildete, baugleiche Wälzkörper 80 umfassen, die jeweils in Flachkäfigen 98 gehalten sind (Figuren 2 und 3). Anstatt vier Wälzlagereinheiten 10, 12, 14, 16 können auch mehr oder weniger Wälzlagereinheiten vorgesehen sein. Ferner umfasst die Wälzla- gervorrichtung eine Einstelleinheit 18 zur Einstellung einer Spannkraft 20 zwischen den Wälzlagereinheiten 10, 12, 14, 16 und dem korrespondierenden Führungsmittel 22 (Figuren 4 und 5). Die Einstelleinheit 18 umfasst ein ringförmig ausgebildetes Stellmittel 24, das dazu vorgesehen ist, die Wälzlagereinheiten 10, 12, 14, 16 zur Erzielung der Spannkraft 20 in radialer Rich- tung 26 zum korrespondierenden Führungsmittel 22 zu bewegen.The roller bearing device has four rolling bearing units 10, 12, 14, 16, which are distributed uniformly over the circumference of the guide means 22 formed by the column and which comprise rolling bodies 80 of identical construction, each of which is held in flat cages 98 (FIGS and 3). Instead of four rolling bearing units 10, 12, 14, 16, more or fewer rolling bearing units can be provided. Furthermore, the rolling bearing device comprises an adjusting unit 18 for adjusting a clamping force 20 between the roller bearing units 10, 12, 14, 16 and the corresponding guide means 22 (FIGS. 4 and 5). The setting unit 18 comprises an annular adjusting means 24, which is provided to the rolling bearing units 10, 12, 14, 16 to achieve the clamping force 20 in the radial direction 26 to the corresponding guide means 22 to move.
Die Wälzkörper 80 der Wälzlagereinheiten 10, 12, 14, 16 bilden auf der dem Führungsmittel 22 zugewandten Seite jeweils eine Wälzfläche 38, 40, 42, 44, die im gespannten Zustand mit vier in Umfangsrichtung des Führungsmittels 22 beabstandeten, von Abflachungen gebildeten Führungsflächen 82, 84, 86, 88 des Führungsmittels 22 zusammenwirken. Das Stellmittel 24 ist bezogen auf Rotationsachsen 30, 32, 34, 36 der Wälzlagereinheiten 10, 12, 14, 16 bzw. der Wälzkörper 80 auf einer einem Aufnahmebereich für das korrespondierende Führungsmittel 22 abgewandten Seite bzw. radial außerhalb der Wälzlagereinheiten 10, 12, 14, 16 angeordnet und wirkt über in Richtung der Spannkraft 20 betrachtet zwischen dem Stellmittel 24 und den Wälzlagereinheiten 10, 12, 14, 16 angeordneten, von Führungsschienen gebildeten, getrennt voneinander ausgebildeten Führungsmitteln 70, 72, 74, 76 auf die Wälzlagereinheiten 10, 12, 14, 16.The rolling elements 80 of the rolling bearing units 10, 12, 14, 16 form on the side facing the guide means 22 each have a rolling surface 38, 40, 42, 44, the spaced in the circumferential direction of the guide means 22 spaced, formed by flats guide surfaces 82, 84, 86, 88 of the guide means 22 cooperate. The adjusting means 24 is based on rotation axes 30, 32, 34, 36 of the rolling bearing units 10, 12, 14, 16 or the rolling elements 80 on a receiving area for the corresponding guide means 22 opposite side or radially outside of the rolling bearing units 10, 12, 14th , 16 arranged and acts as viewed in the direction of the clamping force 20 between the adjusting means 24 and the rolling bearing units 10, 12, 14, 16 arranged, formed by guide rails, separated from each other formed guide means 70, 72, 74, 76 on the rolling bearing units 10, 12, 14, 16.
Die Wälzlagereinheiten 10, 12, 14, 16 sind, ausgehend von einer radial äuße- ren Ausgangsstellung, im entspannten Zustand in radialer Richtung 26 über eine zur Einstellung vorgesehene Strecke 28 in eine radial innere Stellung beweglich gelagert.The rolling bearing units 10, 12, 14, 16 are, starting from a radially outer starting position, in the relaxed state in the radial direction 26 movably mounted via a distance provided for setting 28 in a radially inner position.
Das Stellmittel 24 ist drehbar in Stellrichtungen 46, 48 gelagert, die senkrecht auf den Linearführungsrichtungen 50, 52 stehen. Das Stellmittel 24 ist an seinem radial äußeren Umfang über eine Gleitfläche 90 auf einer korrespondierenden Gleitfläche 92 eines Lagerrings 94 gelagert. An seinem radial inneren Umfang weist das Stellmittel 24 Gleitflächen 54, 56, 58, 60 auf, über die das Stellmittel 24 über die Führungsmittel 70, 72, 74, 76 mit den Wälzlagereinheiten 10, 12, 14, 16 gekoppelt ist. Die Gleitflächen 54, 56, 58, 60 weisen, in Um- fangsrichtung betrachtet, angeformte, rampenartige Schrägflächen 62, 64, 66, 68 auf, die zur Einstellung der Spannkraft 20 vorgesehen sind. Die Schrägflächen 62, 64, 66, 68 schließen zu einer von einer Stellbewegung des Stellmit- tels 24 vorgegebenen Kreisbahn einen Winkel ungleich Null ein.The adjusting means 24 is rotatably mounted in adjusting directions 46, 48 which are perpendicular to the linear guide directions 50, 52. The adjusting means 24 is mounted on its radially outer periphery via a sliding surface 90 on a corresponding sliding surface 92 of a bearing ring 94. At its radially inner circumference, the adjusting means 24 on sliding surfaces 54, 56, 58, 60, via which the adjusting means 24 via the guide means 70, 72, 74, 76 is coupled to the rolling bearing units 10, 12, 14, 16. The sliding surfaces 54, 56, 58, 60 have, viewed in the circumferential direction, molded, ramp-like inclined surfaces 62, 64, 66, 68, which are provided for adjusting the clamping force 20. The inclined surfaces 62, 64, 66, 68 enclose an angle not equal to zero to a circular path predetermined by an adjusting movement of the adjusting means 24.
Wird, ausgehend von der radial äußeren Ausgangsstellung, im entspannten Zustand (Figuren 2 und 3) das Stellmittel 24 in Stellrichtung 46 bzw. im Uhrzei- gersinn verdreht, kommen die Schrägflächen 62, 64, 66, 68 mit den Führungsmitteln 70, 72, 74, 76 in Anlage, die Führungsmittel 70, 72, 74, 76 werden durch einen durch die Schrägflächen 62, 64, 66, 68 bedingt abnehmenden Innendurchmesser des Stellmittels 24 in radialer Richtung 26 nach innen verschoben und die Wälzlagereinheiten 10, 12, 14, 16 werden mit dem Füh- rungsmittel 22 mittels der Spannkraft 20 verspannt (Figuren 4 und 5).If, starting from the radially outer starting position, in the relaxed state (FIGS. 2 and 3), the adjusting means 24 is rotated in the adjusting direction 46 or in the clockwise direction, the inclined surfaces 62, 64, 66, 68 come with the guide means 70, 72, 74 , 76 in abutment, the guide means 70, 72, 74, 76 are displaced by an inclined by the inclined surfaces 62, 64, 66, 68 inside diameter of the actuating means 24 in the radial direction 26 inwardly and the rolling bearing units 10, 12, 14, 16 are braced with the guide means 22 by means of the clamping force 20 (FIGS. 4 and 5).
Wird, ausgehend von der gespannten Stellung (Figuren 4 und 5), das Stellmit- tel 24 in Stellrichtung 48 bzw. gegen den Uhrzeigersinn verdreht, werden die Führungsmittel 70, 72, 74, 76 und die Wälzlagereinheiten 10, 12, 14, 16 wieder in radialer Richtung 96 nach außen frei gegeben, die Spannkraft 20 wird aufgehoben und die Wälzlagervorrichtung wird entspannt (Figuren 2 und 3). Is, starting from the cocked position (Figures 4 and 5), the Stellmit- Tel 24 twisted in the direction of adjustment 48 and counterclockwise, the guide means 70, 72, 74, 76 and the rolling bearing units 10, 12, 14, 16 released again in the radial direction 96 to the outside, the clamping force 20 is released and the rolling bearing device is relaxed (Figures 2 and 3).
Bezugszeichenreference numeral
10 Wälzlagereinheit10 rolling bearing unit
12 Wälzlagereinheit12 rolling bearing unit
14 Wälzlagereinheit14 rolling bearing unit
16 Wälzlagereinheit16 rolling bearing unit
18 Einstelleinheit18 setting unit
20 Spannkraft20 clamping force
22 Führungsmittel22 guiding means
24 Stellmittel24 adjusting means
26 Richtung26 direction
28 Strecke28 route
30 Rotationsachse30 rotation axis
32 Rotationsachse32 rotation axis
34 Rotationsachse34 rotation axis
36 Rotationsachse36 rotation axis
38 Wälzfläche38 rolling surface
40 Wälzfläche40 rolling surface
42 Wälzfläche42 rolling surface
44 Wälzfläche44 rolling surface
46 Stellrichtung46 adjustment direction
48 Stellrichtung48 adjustment direction
50 Linearführungsrichtung50 linear guide direction
52 Linearführungsrichtung52 linear guide direction
54 Gleitfläche54 sliding surface
56 Gleitfläche56 sliding surface
58 Gleitfläche58 sliding surface
60 Gleitfläche60 sliding surface
62 Schrägfläche62 inclined surface
64 Schrägfläche64 inclined surface
66 Schrägfläche66 inclined surface
68 Schrägfläche68 inclined surface
70 Führungsmittel 72 Führungsmittel70 guide means 72 guiding means
74 Führungsmittel74 Guide
76 Führungsmittel76 Guide
78 Schlitten78 sleds
80 Wälzkörper80 rolling elements
82 Führungsfläche82 guide surface
84 Führungsfläche84 guide surface
86 Führungsfläche86 guide surface
88 Führungsfläche88 guide surface
90 Gleitfläche90 sliding surface
92 Gleitfläche92 sliding surface
94 Lagerring94 bearing ring
96 Richtung96 direction
98 Flachkäfig 98 flat cage
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007015674.1 | 2007-03-31 | ||
| DE102007015674A DE102007015674A1 (en) | 2007-03-31 | 2007-03-31 | Rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008119745A1 true WO2008119745A1 (en) | 2008-10-09 |
Family
ID=39358016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2008/053673 Ceased WO2008119745A1 (en) | 2007-03-31 | 2008-03-27 | Rolling bearing device |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE102007015674A1 (en) |
| WO (1) | WO2008119745A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279108A (en) * | 2011-02-28 | 2011-12-14 | 中国北方车辆研究所 | Rolling bearing linear guiding device used for lunar vehicle single-wheel bench test device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2743853A1 (en) * | 1996-01-24 | 1997-07-25 | Surville Rene | DEVICE FOR GUIDANCE IN TRANSLATION AND ADJUSTMENT OF THE ORIENTATION OF TWO MOVABLE PARTS IN RELATION TO ONE ANOTHER |
| DE19625551A1 (en) * | 1996-06-26 | 1998-01-02 | Hans Dipl Ing Kuehl | Straight guidance adjustable without play |
| US6174084B1 (en) * | 1999-09-10 | 2001-01-16 | Thomson Industries, Inc. | Linear motion bearing assembly with load compensation |
| EP1750024A2 (en) * | 2005-07-29 | 2007-02-07 | FUJI KIKO Co., Ltd. | Steering shaft |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US206648A (en) * | 1878-07-30 | Improvement in cross-heads and other slides | ||
| US1256748A (en) * | 1916-02-18 | 1918-02-19 | Gustaf Von Post | Guiding device for reciprocating-machine elements. |
| DE1069954B (en) * | 1957-03-16 | 1959-11-26 | Kaltwalzwerk C. Vogelsang G.m. b.H., Hohenlimlbiurg | Device for limiting the axial play of machine parts |
| DE1525111C3 (en) * | 1965-02-24 | 1973-10-04 | Gesellschaft Fuer Kernforschung Mbh, 7500 Karlsruhe | Adjustable device for transferring rotary movements |
| DE1913495A1 (en) * | 1969-03-17 | 1970-09-24 | Star Kugelhalter Gmbh Dt | Ball bearing arrangement for longitudinal movements |
| HU189995B (en) * | 1982-02-02 | 1986-08-28 | Magyar Goerdueloecsapagy Muevek,Hu | Tightening roller shoe |
| DE8905064U1 (en) * | 1989-04-21 | 1989-06-01 | Schaeffler Waelzlager Ohg, 6650 Homburg | Longitudinal guide unit |
| US5046870A (en) * | 1990-08-02 | 1991-09-10 | General Motors Corporation | End play and preload adjusting assembly for tapered bearings |
| DE19517926A1 (en) * | 1995-05-16 | 1996-11-21 | Schaeffler Waelzlager Kg | Linear roller bearing using fixer screws |
| DE19701990C1 (en) * | 1997-01-22 | 1998-02-05 | Rose & Krieger Gmbh Co Kg | Device for pressing running roller onto guide rail of support tube |
| JP2000074056A (en) * | 1998-08-31 | 2000-03-07 | Koyo Seiko Co Ltd | Direct acting ball bearing |
| DE19933875B4 (en) * | 1999-07-22 | 2014-10-16 | Schaeffler Technologies Gmbh & Co. Kg | Linear roller bearing for transmitting torques |
| DE10301082B4 (en) * | 2003-01-14 | 2007-02-01 | Timken Gmbh | Rolling bearings for linear movements |
-
2007
- 2007-03-31 DE DE102007015674A patent/DE102007015674A1/en not_active Withdrawn
-
2008
- 2008-03-27 WO PCT/EP2008/053673 patent/WO2008119745A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2743853A1 (en) * | 1996-01-24 | 1997-07-25 | Surville Rene | DEVICE FOR GUIDANCE IN TRANSLATION AND ADJUSTMENT OF THE ORIENTATION OF TWO MOVABLE PARTS IN RELATION TO ONE ANOTHER |
| DE19625551A1 (en) * | 1996-06-26 | 1998-01-02 | Hans Dipl Ing Kuehl | Straight guidance adjustable without play |
| US6174084B1 (en) * | 1999-09-10 | 2001-01-16 | Thomson Industries, Inc. | Linear motion bearing assembly with load compensation |
| EP1750024A2 (en) * | 2005-07-29 | 2007-02-07 | FUJI KIKO Co., Ltd. | Steering shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279108A (en) * | 2011-02-28 | 2011-12-14 | 中国北方车辆研究所 | Rolling bearing linear guiding device used for lunar vehicle single-wheel bench test device |
| CN102279108B (en) * | 2011-02-28 | 2013-07-03 | 中国北方车辆研究所 | Rolling bearing linear guiding device used for lunar vehicle single-wheel bench test device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007015674A1 (en) | 2008-10-02 |
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