WO2011157587A1 - Device for clamping a bearing ring to the surrounding structure thereof - Google Patents
Device for clamping a bearing ring to the surrounding structure thereof Download PDFInfo
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- WO2011157587A1 WO2011157587A1 PCT/EP2011/059318 EP2011059318W WO2011157587A1 WO 2011157587 A1 WO2011157587 A1 WO 2011157587A1 EP 2011059318 W EP2011059318 W EP 2011059318W WO 2011157587 A1 WO2011157587 A1 WO 2011157587A1
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- bearing ring
- spring
- spring arrangement
- shaft
- surrounding structure
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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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
Definitions
- the invention relates to a device for bracing a bearing ring with its surrounding structure, and they are particularly advantageous in the attachment of radial bearing rings on shafts or housings applicable.
- Radial rolling bearings are generally frictionally engaged with the respective bearing ring by means of an interference fit of the respective bearing ring with respect thereto, such as by receiving them.
- the inner bearing ring is pressed onto a shaft or the outer bearing ring is pressed into the receiving bore, for example, a housing.
- the bearing rings can be fixed in the axial direction by means of paragraphs formed on the associated surrounding structure or securing rings arranged on the latter.
- the interference fits must be made very precise, so that the bearing ring on the one hand has a secure fit, and thus on the other hand, the bearing ring and thus the entire bearing is not mechanically overstressed.
- an assembly by means of interference fit for example, because of structural specifications not used anywhere or can be realized only with difficulty.
- the invention is therefore based on the object to provide a device for bracing a bearing ring with its surrounding structure, which provides a precise adjustment of the frictional engagement force between the bearing ring and the surrounding bungs Vietnamese without complex precision machining of the associated components allows and is versatile.
- the invention is based on the finding that the technique known for fixing a dial on an adjusting shaft, so-called star discs, should also be usable for bracing a bearing ring with its surrounding structure.
- the invention is therefore based on a device for bracing a bearing ring with its surrounding structure.
- the invention provides that between the bearing ring and this receiving environmental structure concentric to the bearing axis, under axial clamping pressure radially expanding spring arrangement or the like is arranged, and that means are provided to tension the spring assembly axially.
- any spring arrangement is suitable, which has the properties described, ie, the more radially spread between the surrounding structure forming the component and the associated bearing ring, the greater the applied axial clamping pressure.
- the spring arrangement comprises at least one plate spring.
- Under a diaphragm spring is known to mean a conical annular shell which is resilient in the axial direction, wherein the force is applied via the inner edge or the outer edge and the axial support on the other edge. Support over the other edge is done.
- the respectively achievable spread and thus the achievable frictional engagement force depend inter alia on the applied axial prestressing force.
- the frictional engagement force can be further increased if, according to a further embodiment of the invention, the spring arrangement comprises a plurality of disk springs arranged axially one behind the other, the number of disk springs entering the achievable frictional engagement force as a factor.
- the spring characteristic of such disc springs can be influenced by their constructive design.
- the disc springs are formed as notched on its edge plate springs, as will be explained in more detail by means of embodiments.
- the spring arrangement is designed as a bellows spring. Also bellows springs have the property described above, that they radially spread when applying an axial biasing force and thus produce a frictional engagement between the bearing ring and the associated environmental structure.
- the means for clamping the respective spring arrangement comprise according to a further embodiment of the invention, a coaxial to this, axially screwed against this clamping nut.
- a screw thread is provided on the respective bearing ring into which the clamping nut is screwed, wherein the friction produced by the Einschraubweg can be set very accurately.
- an annular space for receiving the spring assembly is formed, wherein at a first axial end the inner bore a radially inwardly projecting, the annular gap at least partially occlusive annular bead or the like and at the other end an internal thread is formed, in which a against the spring assembly is applied clamping nut can be screwed, as shown using an exemplary embodiment.
- Figure 1 shows schematically in a partial longitudinal section arranged on a shaft, not yet strained inner bearing ring
- Figure 2 is a view similar to Figure 1, with a strained inner
- Figure 3 is a partial view of a plate spring from the front
- Figure 4 is a partial view of a notched disc springs from the front
- Figure 5 is a partial view of another notched disc springs from the front
- Figure 6 is a view similar to Figure 1, with one of these compared to the changed spring arrangement.
- Figure 1 therefore shows a shaft 2, on which an inner bearing ring 4 of a rolling bearing, not shown in detail is arranged.
- a spring arrangement 6 is arranged, which consists of several axially successively arranged disc springs 8 in the example shown.
- the plate springs 8 form in the illustrated embodiment, a plate spring package, in which all disc springs are aligned the same. It is understood that other disc spring arrangements are possible, for example a plate spring package in which the disc springs are aligned alternately in one or the other direction.
- the spring assembly 6 In order to clamp the bearing ring 4 with respect to the shaft 2, the spring assembly 6 is axially loaded by a clamping nut 10, i. pressed together. In this case, the edge of the plate springs 8 is aligned and clamped between the shaft 2 and bearing ring 4 with a dependent of the applied biasing pressure force, so that between the shaft 2 and spring assembly 6 on the one hand and spring assembly 6 and bearing ring 4 on the other hand frictional lock arises.
- annular space 12 for receiving the spring arrangement 6 is formed between the inner bore of the bearing ring 4 and the outer surface of the shaft 2.
- annular space 12 partially occlusive annular bead 14 is formed on which the spring assembly 6 axially abuts, while at the other, in the right-hand end of FIG Inner bore an internal thread 16 is formed, in which the against the spring assembly 6 applying clamping nut 10 can be screwed.
- Figure 2 shows an arrangement similar to Figure 1, but wherein the clamping nut 10 is screwed so far into the annular space 12 of the inner ring 4, that the spring assembly 6 has its predetermined bias, in which the desired frictional engagement between the spring assembly 6 and the shaft 2 on the one hand and the bearing ring 4 on the other hand is given.
- the design of the device is such that when fully biased spring assembly 6 between a formed on the clamping nut 10 annular flange 18 and the end face of the bearing ring 4, a gap S remains free to avoid a double fit.
- Figure 3 shows very schematically a plate spring 20 in a view from the front, ie in the concave side.
- the inner diameter d, the plate spring 20 corresponds to the outer diameter of the associated shaft 2 plus a joining clearance between the plate spring 20 and shaft 2.
- the outer diameter d a speaks the inner diameter of a bearing ring 4 minus a joining play between disc spring 20 and bearing ring 4. The joints close when clamping the plate spring 10, as previously explained above.
- Figure 4 shows a plate spring 22, the spring characteristic has been changed by formed on the outer edge or inner edge notches 24 and 26 in a particular, desired manner.
- Figure 5 shows a similar embodiment of a plate spring 28, wherein formed on the inner edge notches 30 and formed on the outer edge notches 32 each have the shape of a circular section.
- Figure 6 shows an embodiment in which the arranged between the shaft 34 and the bearing ring 36 spring assembly 38 is formed as a bellows spring 40, which in a similar manner as disc springs when the clamping nut 42, an axial pressure is applied between the shaft 34 and Bearing ring 36 expands and thus produces a frictional connection between the shaft 34 and bearing ring 36.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention relates to a device for clamping a bearing ring (4) to the surrounding structure (2) thereof. According to the invention, a spring arrangement (6) or the like is disposed between the bearing ring (4) and the surrounding structure (2) that receives same, said spring arrangement being concentric with respect to the bearing axis and widening radially under axial clamping pressure. Means (10) are also provided in order to clamp the spring arrangement (6) in an axial manner. A frictional engagement occurs between the spring arrangement and the shaft (2) on one side and the bearing ring (4) on the other side dependent on the preload that is applied such that said spring arrangement, shaft, and bearing ring are connected to each other in a frictionally engaged manner.
Description
Bezeichnung der Erfindung Name of the invention
Einrichtung zum Verspannen eines Lagerrings mit dessen Umgebungsstruktur Beschreibung Device for bracing a bearing ring with its surrounding structure Description
Gebiet der Erfindung Field of the invention
Die Erfindung betrifft eine Einrichtung zum Verspannen eines Lagerrings mit dessen Umgebungsstruktur, und sie insbesondere vorteilhaft bei der Befestigung von Radiallagerringen auf Wellen oder in Gehäusen anwendbar. The invention relates to a device for bracing a bearing ring with its surrounding structure, and they are particularly advantageous in the attachment of radial bearing rings on shafts or housings applicable.
Hintergrund der Erfindung Radialwälzlager werden im Allgemeinen mittels einer Übermaßpassung des jeweiligen Lagerrings gegenüber der diesen aufnehmenden Umgebungsstruktur mit dieser reibschlüssig verbunden, d.h. der innere Lagerring wird auf eine Welle aufgepresst oder der äußere Lagerring in die Aufnahmebohrung beispielsweise eines Gehäuses eingepresst. Zusätzlich können die Lagerringe in axialer Richtung mittels an der zugeordneten Umgebungsstruktur ausgebildeter Absätze oder an dieser angeordneter Sicherungsringe fixiert sein. Die Übermaßpassungen müssen sehr präzise ausgeführt werden, damit der Lagerring einerseits einen sicheren Sitz hat, und damit andererseits der Lagerring sowie damit das gesamte Wälzlager nicht mechanisch überbeansprucht wird. Zudem kann eine Montage mittels Übermaßpassung beispielsweise wegen konstruktiver Vorgaben nicht überall eingesetzt bzw. nur mit Schwierigkeiten verwirklicht werden. BACKGROUND OF THE INVENTION Radial rolling bearings are generally frictionally engaged with the respective bearing ring by means of an interference fit of the respective bearing ring with respect thereto, such as by receiving them. the inner bearing ring is pressed onto a shaft or the outer bearing ring is pressed into the receiving bore, for example, a housing. In addition, the bearing rings can be fixed in the axial direction by means of paragraphs formed on the associated surrounding structure or securing rings arranged on the latter. The interference fits must be made very precise, so that the bearing ring on the one hand has a secure fit, and thus on the other hand, the bearing ring and thus the entire bearing is not mechanically overstressed. In addition, an assembly by means of interference fit, for example, because of structural specifications not used anywhere or can be realized only with difficulty.
Aufgabe der Erfindung Object of the invention
Der Erfindung liegt deshalb die Aufgabe zugrunde, eine Einrichtung zum Verspannen eines Lagerringes mit dessen Umgebungsstruktur zu schaffen, die eine genaue Einstellung der Reibschlusskraft zwischen Lagerring und Umge-
bungsstruktur ohne aufwendige Präzisionsbearbeitung der zugeordneten Bauteile ermöglicht und vielseitig einsetzbar ist. The invention is therefore based on the object to provide a device for bracing a bearing ring with its surrounding structure, which provides a precise adjustment of the frictional engagement force between the bearing ring and the surrounding bungsstruktur without complex precision machining of the associated components allows and is versatile.
Beschreibung der Erfindung Description of the invention
Der Erfindung liegt die Erkenntnis zugrunde, dass die für die Fixierung einer Skalenscheibe auf einer Verstellwelle bekannte, so genannte Sternscheiben verwendende Technik, auch für das Verspannen eines Lagerringes mit dessen Umgebungsstruktur verwendbar sein sollte. The invention is based on the finding that the technique known for fixing a dial on an adjusting shaft, so-called star discs, should also be usable for bracing a bearing ring with its surrounding structure.
Aus einem Produktprospekt der Firma Ringspann GmbH, Bad Homburg, zu finden unter der Internetadresse www.ringspann.de/produkte und dem Link „Welle-Nabe-Verbindungen", "Datenblatt Sternscheiben" ist es beispielsweise bereits bekannt, zwischen einer Verstellwelle und einer damit zu verbindenden Skalenscheibe eine oder mehrere Sternscheiben anzuordnen, die sich unter einer axialen Kraft zwischen Welle und Scheibe radial verspreizen und so die Skalenscheibe mit der Verstellwelle reibschlüssig verbinden. For example, it is already known from a product brochure of Ringpann GmbH, Bad Homburg under the internet address www.ringspann.de/produkte and the link "shaft-hub-connections", "datasheet star discs", between an adjusting shaft and a so to be connected scale disc to arrange one or more star discs, which spread radially under an axial force between the shaft and disc and thus connect the scale disc frictionally engaged with the adjusting.
Die Erfindung geht daher aus von einer Einrichtung zum Verspannen eines Lagerringes mit dessen Umgebungsstruktur. Dabei ist erfindungsgemäß vorgesehen, dass zwischen dem Lagerring und der diesen aufnehmenden Umgebungsstruktur eine zur Lagerachse konzentrische, unter axialem Spanndruck sich radial aufspreizende Federanordnung oder dergleichen angeordnet ist, und dass Mittel vorgesehen sind, um die Federanordnung axial zu spannen. Für diese Aufgabe ist prinzipiell jede Federanordnung geeignet, welche die beschriebenen Eigenschaften hat, d.h. die sich zwischen dem die Umgebungsstruktur bildenden Bauteil und dem zugeordneten Lagerring radial umso stärker verspreizt, je größer der aufgebrachte axiale Spanndruck ist. Gemäß einer bevorzugten Ausgestaltung ist vorgesehen, dass die Federanordnung wenigstens eine Tellerfeder umfasst. Unter einer Tellerfeder versteht man bekanntlich eine kegelige Ringschale, die in Achsrichtung belastbar ist, wobei die Krafteinleitung über den Innenrand oder den Außenrand und die axiale Abstützung über den jeweils anderen Rand erfolgt.
Abstützung über den jeweils anderen Rand erfolgt. The invention is therefore based on a device for bracing a bearing ring with its surrounding structure. In this case, the invention provides that between the bearing ring and this receiving environmental structure concentric to the bearing axis, under axial clamping pressure radially expanding spring arrangement or the like is arranged, and that means are provided to tension the spring assembly axially. For this task, in principle, any spring arrangement is suitable, which has the properties described, ie, the more radially spread between the surrounding structure forming the component and the associated bearing ring, the greater the applied axial clamping pressure. According to a preferred embodiment, it is provided that the spring arrangement comprises at least one plate spring. Under a diaphragm spring is known to mean a conical annular shell which is resilient in the axial direction, wherein the force is applied via the inner edge or the outer edge and the axial support on the other edge. Support over the other edge is done.
Die jeweils erzielbare Spreizung und damit die erreichbare Reibschlusskraft hängen unter anderem von der aufgebrachten axialen Vorspannkraft ab. Die Reibschlusskraft lässt sich weiter vergrößern, wenn gemäß einer weiteren Aus- gestaltung der Erfindung die Federanordnung mehrere axial hintereinander angeordnete Tellerfedern umfasst, wobei die Anzahl der Tellerfedern als Faktor in die erreichbare Reibschlusskraft eingeht. The respectively achievable spread and thus the achievable frictional engagement force depend inter alia on the applied axial prestressing force. The frictional engagement force can be further increased if, according to a further embodiment of the invention, the spring arrangement comprises a plurality of disk springs arranged axially one behind the other, the number of disk springs entering the achievable frictional engagement force as a factor.
Die Federcharakteristik derartiger Tellerfedern lässt sich durch deren konstruk- tive Ausgestaltung beeinflussen. So ist gemäß einer weiteren Ausgestaltung der Erfindung vorgesehen, dass die Tellerfedern als an ihrem Rand gekerbte Tellerfedern ausgebildet sind, wie anhand von Ausführungsbeispielen noch im einzelnen dargelegt wird. Gemäß einer anderen Ausgestaltung der Erfindung ist die Federanordnung als Balgfeder ausgebildet. Auch Balgfedern haben die vorne beschriebene Eigenschaft, dass sie sich bei Aufbringen einer axialen Vorspannkraft radial ver- spreizen und damit einen Reibschluss zwischen dem Lagerring sowie der zugeordneten Umgebungsstruktur erzeugen. The spring characteristic of such disc springs can be influenced by their constructive design. Thus, according to a further embodiment of the invention, it is provided that the disc springs are formed as notched on its edge plate springs, as will be explained in more detail by means of embodiments. According to another embodiment of the invention, the spring arrangement is designed as a bellows spring. Also bellows springs have the property described above, that they radially spread when applying an axial biasing force and thus produce a frictional engagement between the bearing ring and the associated environmental structure.
Die Mittel zum Spannen der jeweiligen Federanordnung umfassen gemäß einer weiteren Ausgestaltung der Erfindung eine zu dieser koaxiale, axial gegen diese schraubbare Spannmutter. Dazu ist beispielsweise an dem jeweiligen Lagerring ein Schraubgewinde vorgesehen, in das die Spannmutter eingeschraubt wird, wobei über den Einschraubweg der erzeugte Reibschluss sehr genau eingestellt werden kann. The means for clamping the respective spring arrangement comprise according to a further embodiment of the invention, a coaxial to this, axially screwed against this clamping nut. For this purpose, for example, a screw thread is provided on the respective bearing ring into which the clamping nut is screwed, wherein the friction produced by the Einschraubweg can be set very accurately.
Um beispielsweise einen inneren Lagerring auf einer Welle zu verspannen, ist gemäß einer bevorzugten Ausgestaltung der Erfindung vorgesehen, dass zwi- sehen der Innenbohrung des inneren Lagerringes und der Außenfläche der Welle ein Ringraum für die Aufnahme der Federanordnung ausgebildet ist, wobei an einem ersten axialen Ende der Innenbohrung ein radial nach innen vorstehender, den Ringspalt wenigstens zum Teil verschließender Ringwulst
oder dergleichen und an dem anderen Ende ein Innengewinde ausgebildet ist, in das eine gegen die Federanordnung sich anlegende Spannmutter einschraubbar ist, wie anhand eines Ausführungsbeispiels dargestellt wird. For example, to brace an inner bearing ring on a shaft, according to a preferred embodiment of the invention provides that between see the inner bore of the inner bearing ring and the outer surface of the shaft, an annular space for receiving the spring assembly is formed, wherein at a first axial end the inner bore a radially inwardly projecting, the annular gap at least partially occlusive annular bead or the like and at the other end an internal thread is formed, in which a against the spring assembly is applied clamping nut can be screwed, as shown using an exemplary embodiment.
Kurze Beschreibung der Zeichnungen Brief description of the drawings
Eine bevorzugte Ausführungsform des erfindungsgemäß ausgebildeten Wälzlagers wird nachfolgend unter Bezugnahme auf die beigefügten Zeichnungen näher erläutert. Dabei zeigen: A preferred embodiment of the inventively embodied rolling bearing will be explained in more detail with reference to the accompanying drawings. Showing:
Figur 1 schematisch in einem Teil-Längsschnitt einen auf einer Welle angeordneten, noch nicht verspannten inneren Lagerring; Figure 1 shows schematically in a partial longitudinal section arranged on a shaft, not yet strained inner bearing ring;
Figur 2 eine Ansicht ähnlich der Figur 1 , mit einem verspannten inneren Figure 2 is a view similar to Figure 1, with a strained inner
Lagerring; Race;
Figur 3 eine Teilansicht einer Tellerfeder von vorne; Figure 3 is a partial view of a plate spring from the front;
Figur 4 eine Teilansicht einer gekerbten Tellerfedern von vorne; Figure 4 is a partial view of a notched disc springs from the front;
Figur 5 eine Teilansicht einer anderen gekerbten Tellerfedern von vorne; Figure 5 is a partial view of another notched disc springs from the front;
Figur 6 eine Ansicht ähnlich der Figur 1 , mit einer dieser gegenüber geänderten Federanordnung. Figure 6 is a view similar to Figure 1, with one of these compared to the changed spring arrangement.
Ausführliche Beschreibung der Zeichnungen Detailed description of the drawings
Figur 1 zeigt demnach eine Welle 2, auf der ein innerer Lagerring 4 eines nicht im einzelnen dargestellten Wälzlagers angeordnet ist. Zwischen dem Lagerring 4 und der Welle 2 ist eine Federanordnung 6 angeordnet, die im dargestellten Beispiel aus mehreren axial hintereinander angeordneten Tellerfedern 8 besteht. Die Tellerfedern 8 bilden im dargestellten Ausführungsbeispiel ein Tellerfederpaket, bei welchem alle Tellerfedern gleich ausgerichtet sind. Es versteht sich, dass auch andere Tellerfederanordnungen möglich sind, beispielsweise
ein Tellerfederpaket, bei welchem die Tellerfedern abwechselnd in der einen oder der anderen Richtung ausgerichtet sind. Figure 1 therefore shows a shaft 2, on which an inner bearing ring 4 of a rolling bearing, not shown in detail is arranged. Between the bearing ring 4 and the shaft 2, a spring arrangement 6 is arranged, which consists of several axially successively arranged disc springs 8 in the example shown. The plate springs 8 form in the illustrated embodiment, a plate spring package, in which all disc springs are aligned the same. It is understood that other disc spring arrangements are possible, for example a plate spring package in which the disc springs are aligned alternately in one or the other direction.
Um den Lagerring 4 gegenüber der Welle 2 zu verspannen, wird die Federanordnung 6 durch eine Spannmutter 10 axial belastet, d.h. zusammengedrückt. Dabei richtet sich der Rand der Tellerfedern 8 auf und verspannt sich zwischen Welle 2 und Lagerring 4 mit einer von der aufgebrachten Vorspannkraft abhängigen Andruckkraft, so dass zwischen Welle 2 und Federanordnung 6 einerseits sowie Federanordnung 6 und Lagerring 4 andererseits jeweils Reib- schluss entsteht. In order to clamp the bearing ring 4 with respect to the shaft 2, the spring assembly 6 is axially loaded by a clamping nut 10, i. pressed together. In this case, the edge of the plate springs 8 is aligned and clamped between the shaft 2 and bearing ring 4 with a dependent of the applied biasing pressure force, so that between the shaft 2 and spring assembly 6 on the one hand and spring assembly 6 and bearing ring 4 on the other hand frictional lock arises.
Wie die Figur 1 erkennen lässt, ist zwischen der Innenbohrung des Lagerringes 4 und der Außenfläche der Welle 2 ein Ringraum 12 für die Aufnahme der Federanordnung 6 ausgebildet. An einem ersten, in der Figur 1 linken axialen Ende der Innenbohrung ist ein radial nach innen vorstehender, den Ringraum 12 zum Teil verschließender Ringwulst 14 ausgebildet, an welchem die Federanordnung 6 axial anliegt, während an dem anderen, in der Figur 1 rechten Ende der Innenbohrung ein Innengewinde 16 ausgebildet ist, in das die gegen die Federanordnung 6 sich anlegende Spannmutter 10 einschraubbar ist. Figur 2 zeigt eine Anordnung ähnlich der Figur 1 , wobei jedoch die Spannmutter 10 so weit in den Ringsraum 12 des Innenringes 4 eingeschraubt ist, dass die Federanordnung 6 ihre vorgegebene Vorspannung hat, bei welcher der gewünschte Reibschluss zwischen der Federanordnung 6 und der Welle 2 einerseits sowie dem Lagerring 4 andererseits gegeben ist. Die Auslegung der Einrichtung ist so getroffen, dass bei vollständig vorgespannter Federanordnung 6 zwischen einem an der Spannmutter 10 ausgebildeten Ringflansch 18 und der Stirnseite des Lagerringes 4 ein Spalt S frei bleibt, um eine Doppelpassung zu vermeiden. Figur 3 zeigt sehr schematisch eine Tellerfeder 20 in einer Ansicht von vorne, d.h. in die konkave Seite hinein. Der Innendurchmesser d, der Tellerfeder 20 entspricht dem Außendurchmesser der zugeordneten Welle 2 plus einem Fügespiel zwischen Tellerfeder 20 und Welle 2. Der Außendurchmesser da ent-
spricht dem Innendurchmesser eines Lagerringes 4 minus einem Fügespiel zwischen Tellerfeder 20 und Lagerring 4. Die Fügespiele schließen sich beim Spannen der Tellerfeder 10, wie weiter vorne bereits erläutert wurde. Figur 4 zeigt eine Tellerfeder 22, deren Federcharakteristik durch am Außenrand bzw. Innenrand ausgebildete Kerben 24 bzw. 26 in besonderer, gewünschter Weise verändert worden ist. As can be seen from FIG. 1, an annular space 12 for receiving the spring arrangement 6 is formed between the inner bore of the bearing ring 4 and the outer surface of the shaft 2. At a first, in the figure 1 left axial end of the inner bore a radially inwardly projecting, the annular space 12 partially occlusive annular bead 14 is formed on which the spring assembly 6 axially abuts, while at the other, in the right-hand end of FIG Inner bore an internal thread 16 is formed, in which the against the spring assembly 6 applying clamping nut 10 can be screwed. Figure 2 shows an arrangement similar to Figure 1, but wherein the clamping nut 10 is screwed so far into the annular space 12 of the inner ring 4, that the spring assembly 6 has its predetermined bias, in which the desired frictional engagement between the spring assembly 6 and the shaft 2 on the one hand and the bearing ring 4 on the other hand is given. The design of the device is such that when fully biased spring assembly 6 between a formed on the clamping nut 10 annular flange 18 and the end face of the bearing ring 4, a gap S remains free to avoid a double fit. Figure 3 shows very schematically a plate spring 20 in a view from the front, ie in the concave side. The inner diameter d, the plate spring 20 corresponds to the outer diameter of the associated shaft 2 plus a joining clearance between the plate spring 20 and shaft 2. The outer diameter d a speaks the inner diameter of a bearing ring 4 minus a joining play between disc spring 20 and bearing ring 4. The joints close when clamping the plate spring 10, as previously explained above. Figure 4 shows a plate spring 22, the spring characteristic has been changed by formed on the outer edge or inner edge notches 24 and 26 in a particular, desired manner.
Figur 5 zeigt eine ähnliche Ausgestaltung einer Tellerfeder 28, wobei die am Innenrand ausgebildeten Kerben 30 und die am Außenrand ausgebildeten Kerben 32 jeweils die Form eines Kreisabschnittes haben. Figure 5 shows a similar embodiment of a plate spring 28, wherein formed on the inner edge notches 30 and formed on the outer edge notches 32 each have the shape of a circular section.
Figur 6 zeigt eine Ausgestaltung, bei der die zwischen der Welle 34 und dem Lagerring 36 angeordnete Federanordnung 38 als Balgfeder 40 ausgebildet ist, die sich in ähnlicher Weise wie Tellerfedern dann, wenn durch die Spannmutter 42 ein axialer Druck aufgebracht wird, zwischen Welle 34 und Lagerring 36 verspreizt und damit eine Reibschlussverbindung zwischen Welle 34 und Lagerring 36 herstellt.
Figure 6 shows an embodiment in which the arranged between the shaft 34 and the bearing ring 36 spring assembly 38 is formed as a bellows spring 40, which in a similar manner as disc springs when the clamping nut 42, an axial pressure is applied between the shaft 34 and Bearing ring 36 expands and thus produces a frictional connection between the shaft 34 and bearing ring 36.
Bezugszahlenliste LIST OF REFERENCE NUMBERS
Welle wave
Innerer Lagerring Inner bearing ring
6 Federanordnung 6 spring arrangement
8 Tellerfedern 8 disc springs
10 Spannmutter 10 clamping nut
12 Ringraum 12 annulus
14 Ringwulst 14 ring bulge
16 Innengewinde 16 internal thread
18 Ringflansch 18 ring flange
20 Tellerfeder 20 plate spring
22 Tellerfeder 22 plate spring
24 Kerben 24 notches
26 Kerben 26 notches
28 Tellerfeder 28 plate spring
30 Kerben 30 notches
32 Kerben 32 notches
34 Welle 34 wave
36 Lagerring 36 bearing ring
38 Federanordnung 38 spring arrangement
40 Balgfeder 40 bellows spring
42 Spannmutter 42 clamping nut
S Spalt S cleft
da Außendurchmesser there outer diameter
di Innendurchmesser
di inside diameter
Claims
1 . Einrichtung zum Verspannen eines Lagerringes (4) mit dessen Umgebungsstruktur, dadurch gekennzeichnet, dass zwischen dem Lagerring (4) und der diesen aufnehmenden Umgebungsstruktur (2) eine zur Lagerachse konzentrische, unter axialem Spanndruck sich radial aufspreizende Federanordnung (6) oder dergleichen angeordnet ist, und dass Mittel vorgesehen sind, um die Federanordnung (6) axial zu spannen. 1 . Device for bracing a bearing ring (4) with its surrounding structure, characterized in that between the bearing ring (4) and this receiving environmental structure (2) concentric to the bearing axis, under axial clamping pressure radially expanding spring arrangement (6) or the like is arranged, and means are provided for axially tensioning the spring assembly (6).
2. Einrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass die Federanordnung (6) wenigstens eine Tellerfeder umfasst. 2. Device according to claim 1, characterized in that the spring arrangement (6) comprises at least one disc spring.
3. Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Federanordnung (6) mehrere axial hintereinander angeordnete Tellerfedern (8) umfasst. 3. Device according to claim 1 or 2, characterized in that the spring arrangement (6) comprises a plurality of axially successively arranged disc springs (8).
4. Einrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die Tellerfedern (22, 28) als an ihrem Rand gekerbte Tellerfedern ausgebildet sind. 4. Device according to claim 2 or 3, characterized in that the disc springs (22, 28) are formed as notched at its edge plate springs.
5. Einrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass die Federanordnung (38) als Balgfeder (40) ausgebildet ist. 5. Device according to claim 1, characterized in that the spring arrangement (38) is designed as a bellows spring (40).
6. Einrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Mittel zum Spannen der Federanordnung (6) eine zu dieser koaxiale, axial gegen diese schraubbare Spannmutter (10) umfassen. 6. Device according to one of claims 1 to 5, characterized in that the means for tensioning the spring assembly (6) comprise a coaxial to this, axially screwed against this clamping nut (10).
7. Einrichtung nach einem der Ansprüche 1 bis 6, umfassend einen auf einer Welle (2) angeordneten, inneren Lagerring (4), dadurch gekennzeichnet, dass zwischen der Innenbohrung des inneren Lagerringes (4) und der Außenfläche der Welle (2) ein Ringraum (12) für die Aufnahme der Federanordnung (6) ausgebildet ist, wobei an einem ersten axialen Ende der Innenbohrung ein radial nach innen vorstehender, den Ringspalt (12) wenigstens zum Teil verschließender Ringwulst (14) und an dem anderen Ende ein Innengewinde (16) ausgebildet ist, in das eine gegen die Federanordnung (6) sich anlegende Spannmutter (10) einschraubbar ist. 7. Device according to one of claims 1 to 6, comprising one on a shaft (2) arranged inner bearing ring (4), characterized in that between the inner bore of the inner bearing ring (4) and the outer surface of the shaft (2) an annular space (12) for receiving the spring arrangement (6) is formed, wherein at a first axial end of the inner bore a radially inwardly projecting, the annular gap (12) at least partially closing annular bead (14) and at the other end an internal thread (16) is formed, in which a against the spring assembly (6) applying clamping nut (10) can be screwed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201010024033 DE102010024033A1 (en) | 2010-06-16 | 2010-06-16 | Device for bracing a bearing ring with its surrounding structure |
| DE102010024033.8 | 2010-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011157587A1 true WO2011157587A1 (en) | 2011-12-22 |
Family
ID=44626844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2011/059318 WO2011157587A1 (en) | 2010-06-16 | 2011-06-07 | Device for clamping a bearing ring to the surrounding structure thereof |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE102010024033A1 (en) |
| WO (1) | WO2011157587A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012206257A1 (en) * | 2012-04-17 | 2013-10-17 | Schaeffler Technologies AG & Co. KG | Arrangement for fastening roll e.g. cam roller, in retainer of terminal construction in e.g. guide track, has pin and fastening element axially clamped at clamping connection and expandable in clamping connection for bracing in retainer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1047213B (en) * | 1956-07-17 | 1958-12-24 | Maschf Augsburg Nuernberg Ag | Storage of cylinders of printing machines |
| US4480490A (en) * | 1981-10-22 | 1984-11-06 | Inoue-Japax Research Incorporated | Mechanical member |
| US4514109A (en) * | 1982-01-29 | 1985-04-30 | Mckenna James J | Circular locking device |
-
2010
- 2010-06-16 DE DE201010024033 patent/DE102010024033A1/en not_active Withdrawn
-
2011
- 2011-06-07 WO PCT/EP2011/059318 patent/WO2011157587A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1047213B (en) * | 1956-07-17 | 1958-12-24 | Maschf Augsburg Nuernberg Ag | Storage of cylinders of printing machines |
| US4480490A (en) * | 1981-10-22 | 1984-11-06 | Inoue-Japax Research Incorporated | Mechanical member |
| US4514109A (en) * | 1982-01-29 | 1985-04-30 | Mckenna James J | Circular locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010024033A1 (en) | 2011-12-22 |
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