DE102018206308A1 - Bearing element and bearing assembly of an agricultural machine - Google Patents

Abstract

The present invention relates to a bearing element (10) for mounting, positioning and pivotable mounting of components. In order to provide a bearing element (10) with an improved spring characteristic, it is provided that the bearing element (10) has an inner ring (14) and an outer ring (16), between which extend at least two elastically deformable lamellae (18).
The invention also relates to a bearing assembly of an agricultural machine.

Description

The present invention relates to a bearing element having the features of independent claim 1. The invention also relates to a bearing assembly of an agricultural machine having the features of independent claim 20.

For mounting, positioning and pivoting guidance of at least two components or components often find so-called elastomeric bearings use. Such an elastomeric bearing or such a bearing arrangement is, for example, from the EP 2 404 489 A1 out. In this known bearing arrangement various components such as tillage and / or cutting tools are attached to a swivel arm. The pivot arms are pivotally mounted on a support, wherein the pivot arms have bearing portions which engage around the carrier, wherein in each case between the bearing portions and the encompassed portions of the carrier each elastically deformable bearing elements or Quetschlagerelemente or rubber elements are arranged. The bearing portions of the pivot arms and the carrier received therein are rotated relative to each other, so that four triangular receiving chambers for each bearing element arise. The bearing elements each produce by their bias a directed to the ground or caused by the soil reaction force, which reaction force is dependent on the resilient properties of the bearing elements. In order to obtain improved resilient properties of the bearing elements or to produce an improved spring characteristic of the elastic bearing elements with increasing deflection of the pivot arm, is also provided that the inner contour of the bearing portion and the outer contour of the support are coordinated so that the elastic deformable bearing elements generated spring force on deflection of the pivot arm opposite to the direction of travel do not produce a progressive spring force curve at increasing magnification.

However, such an adjustment of the inner contour of the bearing section and the outer contour of the carrier sometimes requires expensive to produce carrier, which usually leads to high manufacturing and manufacturing costs. In addition, an adaptation of the storage to different pivot arms is possible only by adjusting the contours of the carrier, which in turn different carriers are required for different tillage and / or seeding tools. In addition, the spring characteristic is dependent on the dimensions of the carrier and the bearing elements, which in turn, however, requires an extremely wide variety of carriers and bearing elements for an adaptation of the spring forces.

Furthermore, the known from the prior art elastomeric bearings or rubber elements on a so-called. Settling behavior, i. that the spring force produced by the elastomer decreases or becomes less due to aging of the elastomer material after a certain period of use.

Another disadvantage of such elastomeric bearings is that by means of these elastomeric bearings no adapted to the respective tillage and / or cutting tool spring characteristic or spring force curve is / are possible, since the spring characteristic is exclusively dependent on their dimensions and the respective material properties, thereby already least Deviations in the composition of the elastomer leads to a different spring characteristic, which sometimes leads to a pairing of elastomeric bearings from different production batches to problems.

Often it is also possible that on the pivot arms and the tool arrangements transverse and lateral forces act, which, however, also can not be intercepted with the well-known from the prior art bearing arrangements, but for which respective guide elements must be provided for support. Such an arrangement is, for example, from the EP 3 025 655 B1 already apparent. Such guide elements can again be costly and subject to wear.

In addition, the known elastomer bearing or bearing elements have no optimal spring characteristic. Thus, all spring characteristics have in common that the spring forces increase with increasing deflection, which spring forces, in order to ensure a safe evasion of the tool arrangements, but with increasing deflection should rather reduce than increase.

The aim of the present invention is thus to provide a bearing element and a bearing assembly with an optimized spring characteristic or an optimized spring force curve and a simplified structure.

These objects of the invention are achieved by a bearing element having the features of independent claim 1 and by a bearing arrangement having the features of independent claim 20. Advantageous developments are specified in the dependent claims and the description.

To solve the problems, the invention proposes a bearing element for mounting, positioning and pivotable mounting of components. In particular, for pivotal storage and Positioning of components used in agricultural machinery.

In order to provide a bearing element with an optimized spring characteristic or with an optimized spring force curve, it is provided that the bearing element has an inner ring and an outer ring, between which extend at least two elastically deformable lamellae and / or are arranged.

The lamellae arranged between the inner ring and the outer ring are in particular designed such that upon pivoting movements of the inner ring and / or the outer ring they generate a spring force and / or a biasing force or a force from the outer ring to the inner ring and / or from the inner ring to the outer ring transfer. In this case, the spring force depending on the deflection or the angle of rotation, i. can increase or decrease depending on the elastic deformation of the lamellae, or initially increase in a first deflection region and decrease in a second deflection region. A reverse spring characteristic would also be conceivable, i. that the spring force can initially decrease in a first deflection region and can increase in a second deflection region. Likewise, however, the slats can also be designed such that the spring force remains largely constant regardless of the deflection. Also, the spring force can initially increase and / or decrease and remain at least largely constant above a certain deflection.

It can be provided that the spring forces and / or the spring characteristic can each be defined or varied depending on the contours and elastic material properties of the slats.

It should be noted that the inner ring and the outer ring are indeed pivotable to each other, but in contrast to, for example, a rolling bearing in particular no 360 ° rotation can perform independently and that they produce a spring force during pivoting.

The bearing element initially consists of an inner ring, which inner ring may have an opening. The opening may in this case have an at least partially round and / or circular and / or rectangular and / or square or the like outline. The inner ring also comprises an outer contour, wherein this outer contour may have an at least partially round and / or circular and / or square and / or rectangular outline.

In addition, the bearing element consists of an outer ring, which outer ring has an inner contour. This inner contour may have an at least partially round and / or circular and / or square and / or rectangular outline. In addition, the outer ring may also have an at least partially round and / or circular and / or square and / or rectangular outer contour.

For guiding the inner ring and the outer ring and / or for generating a spring force extending between the inner ring and the outer ring at least two fins. In particular, however, three, four or more fins.

The bearing element can be made of a material. The bearing element can also be made or assembled from two or more different materials.

In addition, for example, the slats can be made of a different material than the inner ring and / or the outer ring. In particular, the bearing element can be manufactured as an injection-molded element. Also, various, in particular harder materials can be inserted or introduced into the main body of the bearing element, thus further improving, for example, the elastic properties.

As materials for the production of the bearing element a variety of plastics can be used, which plastics can also be combined with metals. Also, the bearing element can be made of a fiber composite material, wherein the matrix and / or fibers in turn can form the lamellae and wherein by means of the respective matrix and / or fibers of the lamellae, the spring characteristic and the spring force can be influenced accordingly.

The bearing element may in particular be made of elastomer and / or thermoplastic. However, the bearing element can also be made of duroplastic, insofar as this has sufficient elasticity.

As lamellae, however, metals such as, for example, spring sheets can also be used. The spring plates may in this case be used in particular in the inner ring and / or the outer ring but also be cast.

In order to improve the susceptibility of the bearing element to wear, metals such as hard metals may also be used or cast in places which are subject to wear, for example. The opening of the inner ring and / or the outer contour of the outer ring may also be at least equivalent be provided in sections with metals. It can also be provided that the opening and / or the outer contour thus rest against, for example, a support only in areas which are provided with metals.

In general, therefore, the most diverse materials and / or combinations of materials for the production of the bearing element are conceivable, wherein the contours and elastic material properties are each defined such or coordinated with each other that a spring characteristic according to 3 is generated or caused.

Furthermore, the lamellae can also have a profile that widens and / or tapers from the inside to the outside and / or from the outside to the inside. In particular, a conically widening and / or tapered course.

The lamellae may have an at least partially arcuate and / or rectangular and / or square or the like outline between the inner ring and the outer ring. The lamellae can thus form, for example, webs and / or rods or the like. In particular, these may also be cone-shaped and / or cylindrical and / or pyramid-like and / or prism-like.

In addition, the lamellae may extend radially between the inner ring and the outer ring, wherein the radii of curvature may change accordingly by a deflection or by an elastic deformation, i. zoom in or out. Thus, the lamellae, for example, be spirally formed and span an angle greater than or equal to 10 ° or greater than or equal to 25 ° or greater than or equal to 45 °, in turn, depending on this angle, the spring force can increase or decrease accordingly.

The radial curvature of the lamellae may, for example, be opposite to the direction of the introduction of force into the bearing element, i. If an introduction of force into the bearing element takes place in a left-hand rotation, the lamellae can be oriented in a clockwise rotation, whereby the lamellae can also undergo a reversal of the orientation due to the introduction of force.

In a further development, it can also be provided that the bearing element can rotate only in one direction of rotation, i. that the rotational degree of freedom is limited in at least one direction or completely blocked. This can be done, for example, by a corresponding design of the slats. This may mean that, for example, the inner ring can not rotate and the outer ring with respect to the inner ring depending on the slats rotate only in one direction of rotation or can be pivoted.

Furthermore, the slats could also be arranged or designed in such a way that, starting from a certain deflection or deformation, they meet one another between the inner ring and the outer ring and thus serve as a boundary.

In addition, between at least some fins between the inner ring and the outer ring, an additional intermediate ring may be attached. The bearing element may thus have a net-like structure, again depending on the network structure, i. the number and the position of the intermediate rings, the elastic properties and / or the spring forces can be varied accordingly. In particular, the elastic properties can also be varied on the basis of the number of lamellae connected by the intermediate rings. Also, the elastic properties can be varied by the arrangement of the intermediate ring between the inner ring and the outer ring, so that, for example, the elastic deformation is greater, the greater the distance between the inner ring and the intermediate ring.

The intermediate ring can extend at least in sections arcuately and / or in sections circularly and / or in sections linearly between two lamellae.

In a further development, a lamella or lamellas can also be provided, which are not arranged continuously between the inner ring and the outer ring, but which, for example, are arranged between the inner ring and a further lamella or between the outer ring and a further lamella.

It can also be provided in a further embodiment that at least some of the resulting between the slats cavities or at least some of the cavities of the net-like structure with a relative to the slats softer and / or harder and / or a same material are filled, so that the elastic properties can be changed or adapted even more defined.

The inner ring and the outer ring can each be connected by means of positive engagement and / or adhesion and / or material connection with the respective components to be stored. For example, the inner ring could be screwed to a component to be stored. Also, the contour of the inner ring and / or the outer ring or its opening and / or its outer contour could be adapted to the contour of the components to be stored.

In a further development of the invention, the bearing element is designed in such a way, or in particular its fins are designed such that adjusts or generates in a first deflection region, a linearly increasing spring force curve and / or a progressive spring force course. A second deflection region can adjoin the first deflection region, in which second deflection region a degressive spring force course is established or generated. In addition, a third deflection region may adjoin the second deflection region, in which a linearly decreasing spring force curve and / or regressive spring force curve is established or generated. The transitions between the spring force curves can be fluid.

The first deflection region could correspond, for example, to a deflection or a twist angle of the components of 0 ° to 5 °, the second deflection region, for example, a deflection of 5 ° to 10 ° and the third deflection range 10 ° to 15 °. In this case, other angles or deflection ranges would also be conceivable or conceivable. It can also be provided that the deflection areas, in particular when storing agricultural tillage tools, are tuned to the respective working depths, so that, for example, the first deflection range or the first twist angle corresponds to 5 cm, the second deflection range corresponds to 5 cm to 10 cm, and the third Displacement range, for example. 10 cm to 15 cm and more corresponds. Again, other dimensions would be conceivable.

The bearing element can be made in one or more parts, which means that the bearing element can also be composed of two or more bearing segments. The bearing segments can be identical or different. For example, the bearing segments can be made of different materials. Also, the bearing segments may have various slats or network structures. Furthermore, the bearing segments may have different spring characteristics.

The bearing element or a bearing segment may, for example, include a midpoint angle of 360 °. The center angle can also be less than 360 °, and for example. 180 ° or 120 ° or 90 ° or 45 °, or lie between these angles. For example, a bearing element could be composed of two or more bearing segments, which together form a center angle of 180 ° or 360 °.

The bearing element may also be composed of different bearing segments such that in a first deflection region the elastic properties or the spring force are defined by a first bearing segment and in a second and / or third deflection these elastic properties and spring forces by a second and / or third Storage segment are defined. This can optionally be achieved by a bearing element whose lamellar arrangement or its network structure is designed accordingly or its material is selected accordingly.

The bearing element may have a width which is greater than 10 mm. For example. For example, the bearing element may have a width which corresponds to the width of a bearing section of a component to be stored. In addition, the resulting between the slats or the network structure cavities can extend over the entire width of the bearing element.

In order to prevent a lateral displacement or an axial displacement in the longitudinal direction of the bearing element, the bearing element or can be assigned to the bearing segment corresponding stop elements. As stop elements, for example, elevations may be attached to the outer ring and / or the inner ring.

In a further embodiment, it can be provided that the bearing element is designed such that by means of this also acting on this lateral and lateral forces can be absorbed, whereby the components are not subject to deflection transverse to the bearing element or transverse to the feed direction. For this purpose, in turn, the slats or the network structure can be designed accordingly. It could also be provided in a multi-part design of the bearing element that by means of a bearing segment, the lateral and lateral forces can be absorbed as well as at least one further segment, the elastic properties and the spring forces are defined.

Also, the bearing element may be conically tapered and / or widening in its width, which in turn the transverse and lateral forces can be absorbed but also an axial displacement can be prevented.

The transition between the inner ring and / or the outer ring and the blade may initially comprise a radius, i. that the lamella is first widened here and then tapers in the direction of the inner ring and / or the outer ring, wherein again the size of the radii can define or influence the spring forces.

The outer ring and the inner ring can merge into one another such that they each form at least sections a blade, ie that no separate lamellae are present on the bearing element, but that these are each formed by the inner ring or the outer ring, as for example. In the embodiment of 2F is executed.

The inner ring and outer ring are spaced apart, i. that the outer ring, for example. Has a larger diameter or a larger diagonal than the inner ring, in turn, depending on this difference, the elastic properties may vary. Thus, the diameter or the diagonal of the inner ring may, for example, be 80 mm and the diameter or the diagonal of the outer ring may be, for example, 120 mm. Optionally, the diameters or diagonals can also be defined differently. Also, the intermediate ring may be exactly centered between the inner ring and the outer ring but also closer to the inner ring or the outer ring.

In particular, the bearing element or its lamellae is / are designed such that the inner ring and the outer ring each rotate at different angles to each other, in turn, this angle may vary depending on the slats and / or the network structure.

It should again be noted that the inner ring and the outer ring may also have a square and / or rectangular and / or the like. Contour or outline. So if in the present of outer ring or inner ring is mentioned, so are also equal square and / or rectangular and / or combinations of such contours and outlines included. Wherein the inner ring and / or the outer ring each have a closed circumference or outline.

In one development of the invention it can be provided that the inner ring and the outer ring and / or the lamellae are each separate components, which can be mounted according to each other, thus forming a bearing element or a bearing segment. It may also be provided that, for example, the inner ring and the lamellae and / or the outer ring and the lamellae each form a unit and are connected in accordance with the inner ring and / or the outer ring. The connection may, for example, be designed as a tongue and groove connection. Also conceivable would be a shaft-hub connection, so that, for example, the slats can each form the hub.

If previously the bearing element according to the invention has been described, it should be expressly emphasized at this point that all aspects and design variants which have been explained in connection with the bearing element, can equally concern or be partial aspects of the subsequent bearing arrangement. Therefore, if at one point in the description or in the claim definitions of the bearing element according to the invention is mentioned, this applies equally to the bearing assembly according to the invention. Conversely, the same applies, so that all aspects that are explained in connection with the bearing assembly according to the invention, may equally be partial aspects of the bearing element.

To solve the problems, the invention also proposes a bearing assembly of an agricultural machine, which is used for mounting, positioning and pivotal mounting of at least two used in agricultural machinery components, the bearing assembly comprises at least one bearing element, which has an inner ring for connection to a first component and an outer ring for connection to a second component.

In order to provide a bearing arrangement with a simplified structure and an improved spring characteristic or with an optimized spring force curve, it is provided that at least two elastically deformable lamellae extend and / or are arranged between the inner ring and the outer ring.

The bearing assembly is used in particular in a suspension device of an agricultural machine use. Such suspension devices are used, for example, for mounting, positioning and pivotable mounting of a tool assembly for tillage and / or for sowing, wherein the respective tools for tillage and / or sowing can be mounted on a pivot arm. The gift arm may, for example, be a welded construction or a cast construction or a combination of these production methods. Also, the pivot arm may be a plastic element, in which plastic element in turn metals, in particular at the mounting positions of the tools, can be used. The tool arrangement can, for example, form a coulter. Also, the tool assembly may comprise a hex or cutting disc. Likewise, the tool assembly may include prongs or rollers or the like. Furthermore, however, other tools or components used in agriculture would be conceivable.

The bearing arrangement or the suspension device initially comprises, for example, as a first component, a carrier which can extend transversely to the direction of travel on an agricultural machine. In particular, with this carrier connected to the inner ring of the bearing element, wherein the connection, for example, force and / or positive and / or cohesive can be done.

In addition, the bearing arrangement or the suspension device as a second component comprises a pivoting arm on which in each case the tools or components can be mounted. The swivel arm also includes, for example, a bearing portion which is connected to the outer ring of the bearing element. The connection is in this case in particular force and / or positive and / or cohesive.

For example, it could also be provided that the inner ring of the bearing element surrounds the carrier and that the bearing section of the pivot arm engages around the outer ring or the bearing element. Thus, the contour of the inner ring and / or the outer ring or its opening and / or its outer contour could be adapted to the contour of the components to be stored. Also, the inner ring and / or the outer ring could be bolted to a component to be stored.

As a bearing element, an elastically deformable element is provided, which extends with its longitudinal axis substantially parallel to the carrier and undergoes an at least partial or sectional deformation by pivotal movements of the pivot arm or the carrier.

The bearing element of the bearing assembly is in particular designed such that this generates a spring force during pivotal movements of the carrier or the pivot arm or exerts a biasing force on them.

The bearing assembly according to the invention can be used in particular in agricultural machines, which may be, for example, a tillage machine or a seeder or a combined machine for tillage and sowing in such machines. The machine may be either a tractor-mounted or a tractor-towed machine. Also, the machine can be a self-propelled or even an autonomous machine.

The swivel arm or the tool arrangement is mounted on a support, preferably extending transversely to the direction of travel. The carrier may in turn be an element of a frame construction. Likewise, the carrier may be adjustable in height and / or pivotally mounted about a pivot axis, wherein by a height adjustment and / or pivoting of the carrier as well as the pivot arm and thus the tool assembly can be adjusted in its working depth.

The carrier may be, for example, a profile tube and / or a rectangular tube and / or a square tube and / or a polygon. Accordingly, the outer contour of the carrier may be formed. Also, the carrier may have a cavity or be formed as a solid material. Also, the carrier may include an open or a closed profile. On the carrier, a swivel arm may be mounted. But it can also be attached two or more pivot arms.

In particular, the inner ring and / or the outer ring can be adapted to the contour of the carrier, whereby cost-carrier can be used, since the biasing force is defined exclusively by the bearing element and not as usual in the prior art by the combination of carrier and bearing portion with a elastomeric bearings.

For pivotable mounting on the carrier, the pivot arm on a bearing portion, wherein the bearing portion can be integrated in this case in the pivot arm, but can also be grown on this. Likewise, the bearing portion may have the at least substantially the same inner contour as the carrier. However, in particular, the bearing portion may have a larger cross section than the carrier. The bearing section can also surround or enclose the carrier at least in sections. Also, the bearing portion may be made in one or more parts. In particular, the bearing section consists of two shells and / or half shells. The shells can also be screwed and can thus embrace the carrier completely again.

By means of the bearing arrangement, in each case a defined spring force or pretensioning force can be generated on the tools or components mounted thereon.

The bearing assembly is preferably designed such that in a first deflection region, a linearly increasing spring force course and / or a progressive spring force course is established or generated. A second deflection region can adjoin the first deflection region, in which second deflection region a degressive spring force course is established or generated. In addition, a third deflection region may adjoin the second deflection region, in which a linearly decreasing spring force curve and / or regressive spring force curve is established or generated. The transitions between the spring force curves can each be seamless.

A linearly increasing and / or progressive spring force curve at the beginning of the deflection in this case means that the preload force is initially increasing, which means that as long as the tool assembly is in contact with the ground, the spring force or the reaction force caused by the soil increases as a function of the deflection. This initially has the advantage that for the actual tillage and / or sowing attacks a sufficient biasing force on the tools. If, however, the deflection reaches, for example, a second deflection region when hitting a stone or the like, then it is necessary that the prestressing force decreases or at least does not increase further. This is achieved with the bearing element in that the slats are designed such that adjusts a degressive spring force curve from a certain deflection angle, ie that the biasing force no longer increases, but remains constant or decreases, resulting in an even greater deflection angle through the transition is further improved in a linearly decreasing and / or regressive spring force course.

It can be provided that the deflection areas, especially in the storage of agricultural tillage tools or coulters are tuned to the respective working depths, so that, for example, the first deflection range or the first angle of rotation corresponds to 0 cm to 5 cm, the second deflection range 5 cm to 10 cm corresponds and the third deflection range, for example. 10 cm to 15 cm and more corresponds. Again, other dimensions would be conceivable.

It should be noted that a plurality of inventive bearing assemblies can be used on an agricultural machine, which can be used in each case for the pivotable storage of the same tools, but also for the pivotable mounting of various tools or components. For this purpose, the bearing elements or the bearing arrangements can also be designed differently.

• 1A eine Perspektivansicht einer Ausführungsvariante eines zweitteilig, insbesondere aus zwei Lagersegmenten, ausgebildeten Lagerelements mit einem Innenring und einem Außenring sowie mit einer Mehrzahl sich zwischen diesen erstreckenden Lamellen, welche eine grobe Netzstruktur bilden.
• 1 B eine Perspektivansicht einer Ausführungsvariante eines vierteilig, insbesondere aus vier Lagersegmenten, ausgebildeten Lagerelements mit einem Innenring und einem Außenring sowie mit einer Mehrzahl sich zwischen diesen erstreckenden Lamellen, welche eine grobe Netzstruktur bilden.
• 2A eine Seitenansicht einer Ausführungsvariante eines einteilig ausgebildeten Lagerelements mit einem Innenring und einem Außenring sowie einer Mehrzahl sich radial im Uhrzeigersinn zwischen diesen erstreckenden Lamellen, welche ein grobe Netzstruktur bilden.
• 2B eine Seitenansicht einer Ausführungsvariante eines einteilig ausgebildeten Lagerelements mit einem Innenring und einem Außenring und einem zwischen dem Innenring und dem Außenring angebrachten Zwischenring, wobei sich jeweils zwischen Innenring und Zwischenring eine Mehrzahl gerade verlaufender sowie zwischen Zwischenring und Außenring eine Mehrzahl radial verlaufender Lamellen erstrecken, wodurch das Lagerelement eine Netzstruktur aufweist.
• 2C eine Seitenansicht einer Ausführungsvariante eines einteilig ausgebildeten Lagerelements mit einem Innenring und einem Außenring und einem zwischen dem Innenring und dem Außenring angebrachten Zwischenring, wobei sich jeweils zwischen Innenring und Zwischenring sowie zwischen Zwischenring und Außenring jeweils eine Mehrzahl von gerade verlaufender Lamellen erstrecken, wodurch das Lagerelement eine Netzstruktur aufweist.
• 2D eine Seitenansicht einer Ausführungsvariante eines einteilig ausgebildeten Lagerelements, wobei der Aufbau der Netzstruktur dem Lagerelement der 1A und 1B entspricht, mit einem Innenring und einem Außenring, wobei das Lagerelement zwischen den Innenring und dem Außenring verschiedenartige Netzstrukturen aufweist. So umfasst dieses zwei Abschnitte, in welchen sich zwischen dem Innenring und dem Außenring eine Mehrzahl von radial im Uhrzeigersinn erstreckende Lamellen angebracht sind, sowie zwei weitere Abschnitte, in welchem zwischen drei gerade verlaufenden Ringen sich zwei Zwischenringe befinden.
• 2E eine Seitenansicht einer Ausführungsvariante eines mehrteilig ausgebildeten Lagerelements, welches in zusammengesetzter Weise dem Lagerelement der 2D entspricht, wessen Abschnitte jedoch im Gegensatz zur 2D als Lagersegmente ausgeführt sind.
• 2F eine Seitenansicht einer Ausführungsvariante eines mehrteilig, aus zwei Lagersegmenten, ausgebildeten Lagerelements, wobei jedes Lagersegment einem Innenring und einem Außenring aufweist, wobei der Innenring und der Außenring jeweils die Lamellen bilden, bzw. jeweils nahtlos in die Lamellen übergehen.
• 3 ein durch das erfindungsgemäße Lagerelement hervorgerufene Auslenkmoment-Auslenkwinkel-Diagramm, aus welchem weitere Details der Zusammenhänge zwischen Auslenkungsbereich bzw. Auslenkwinkel, d.h. zwischen der elastischen Verformung und der mittels des Lagerelements vorzugsweise erzeugten Federkraft ersichtlich werden.
• 4 eine Perspektivansicht einer Ausführungsvariante einer landwirtschaftlichen Maschine, an welcher ein Mehrzahl von erfindungsgemäßen Lageranordnungen angebracht sein kann.
• 5A eine Seitenansicht einer Lageranordnung zur schwenkbaren Lagerung einer in einer landwirtschaftlichen Maschine verwendeten Werkzeuganordnung, wobei das hierbei verwendete Lagerelement sich in einer Grundstellung bzw. in Eingriff in einer Bodenoberfläche befindet.
• 5B eine Seitenansicht einer Lageranordnung zur schwenkbaren Lagerung einer in einer landwirtschaftlichen Maschine verwendeten Werkzeuganordnung, wobei das hierbei verendete Lagerelement sich in einer ausgelenkten bzw. in einer elastisch verformten Stellung befindet.

The preferred embodiments and features of the invention described above can be combined with one another as desired. Further details and advantages of the invention will be described below with reference to the accompanying drawings. The proportions of the individual elements to one another in the figures do not always correspond to the actual size ratios, since some shapes are simplified and other shapes are shown enlarged in relation to other elements for better illustration. Show it:

• 1A a perspective view of an embodiment of a two-part, in particular of two bearing segments, formed bearing element with an inner ring and an outer ring and with a plurality of extending between these lamellae, which form a coarse network structure.
• 1 B a perspective view of a variant of a four-part, in particular of four bearing segments, formed bearing element with an inner ring and an outer ring and with a plurality of extending between these lamellae, which form a coarse network structure.
• 2A a side view of an embodiment of a one-piece bearing element with an inner ring and an outer ring and a plurality of radially extending in the clockwise direction between these lamellae, which form a coarse network structure.
• 2 B a side view of an embodiment of a one-piece bearing element with an inner ring and an outer ring and an attached between the inner ring and the outer ring intermediate ring, each extending between the inner ring and intermediate ring a plurality of straight extending and between the intermediate ring and outer ring a plurality of radially extending fins, whereby the Bearing element has a network structure.
• 2C a side view of a variant of a one-piece bearing element with an inner ring and an outer ring and an attached between the inner ring and the outer ring intermediate ring, each extending between the inner ring and intermediate ring and between the intermediate ring and outer ring each have a plurality of straight blades, whereby the bearing element a Has network structure.
• 2D a side view of a variant of a one-piece bearing element, wherein the structure of the network structure of the bearing element of 1A and 1B corresponds, with an inner ring and an outer ring, wherein the bearing element between the inner ring and the outer ring has various network structures. Thus, this comprises two sections, in which between the inner ring and the outer ring, a plurality of radially extending laths are mounted in the clockwise direction, and two further sections, in which there are two intermediate rings between three straight rings.
• 2E a side view of a variant of a multi-part bearing element, which in a composite manner the bearing element of 2D whose sections, however, in contrast to 2D are designed as bearing segments.
• 2F a side view of a variant of a multi-part, of two bearing segments, trained bearing element, each bearing segment having an inner ring and an outer ring, wherein the inner ring and the outer ring each form the slats, or merge seamlessly into the slats.
• 3 a caused by the bearing element according to the invention Auslenkmoment deflection angle diagram, from which further details of the relationships between deflection or deflection, ie between the elastic deformation and the spring force preferably generated by means of the bearing element can be seen.
• 4 a perspective view of an embodiment of an agricultural machine to which a plurality of bearing assemblies according to the invention may be attached.
• 5A a side view of a bearing assembly for pivotally mounting a tool assembly used in an agricultural machine, wherein the bearing element used in this case is in a basic position or in engagement in a ground surface.
• 5B a side view of a bearing assembly for the pivotable mounting of a tool assembly used in an agricultural machine, wherein the case thereby died bearing element is in a deflected or in an elastically deformed position.

The in the 1 to 5 shown embodiments are at least partially consistent, so that similar or identical parts are provided with the same reference numerals and reference is also made to the explanation of the description of the other embodiments or figures to avoid repetition. The illustrated embodiments are only examples of how the inventive bearing element and the bearing assembly can be configured and do not represent a final limitation.

Various embodiments of bearing elements according to the invention 10 go out of the 1 and 2 show, with the 1A Here is a perspective view of an embodiment of a two-part, in particular of two bearing segments 12 , trained bearing element 10 with an inner ring 14 and an outer ring 16 and with a plurality extending between them or attached slats 18 shows. Another perspective view of a variant of a four-part, in particular four bearing segments 12 , trained bearing element 10 with an inner ring 14 and an outer ring 16 and a plurality of lamellae extending therebetween 18 goes beyond that 1 B out.

Furthermore, the show 2A to 2F each side views of different bearing elements 10 , This shows the 2A a side view of a variant of a one-piece bearing element 10 with an inner ring 14 and an outer ring 16 and a plurality of radially extending in a clockwise direction between these lamellae 18 , The pictured lamellas 18 are each spirally formed and span an angle greater than 10 °.

From the 2 B is a side view of a variant of a one-piece bearing element 10 with an inner ring 14 and an outer ring 16 and one between the inner ring 14 and the outer ring 16 attached intermediate ring 20 showing, in each case between inner ring 14 and intermediate ring 20 a plurality of straight and between intermediate ring 20 and outer ring 16 a plurality of radially extending fins 18 extend, causing the bearing element 10 a network structure 22 having.

The 2C shows a side view of an embodiment of a one-piece bearing element 1 with an inner ring 14 and an outer ring 16 and one between the inner ring 14 and the outer ring 16 attached intermediate ring 20 , in each case between inner ring 14 and intermediate ring 20 as well as between intermediate ring and outer ring 16 in each case a plurality of straight slats 18 extend, causing the bearing element 10 a network structure 22 having.

Furthermore, the shows 2D a side view of a variant of a one-piece bearing element 10 , where the structure of the network 22 the bearing element 10 of the 1A and 1B corresponds with an inner ring 14 and an outer ring 16 , wherein the bearing element 10 between the inner ring 14 and the outer ring 16 various network structures 22 having. So this includes two sections, in which between the inner ring 14 and the outer ring 16 a plurality of radially extending lathes in the clockwise direction 18 are attached, and two other sections in which between three straight slats 18 two intermediate rings 20 are located.

In contrast to the 2A to 2D in which in each case integrally formed bearing elements 10 are shown, the shows 2E a side view of an embodiment of a multi-part trained bearing element 10 , which in composite manner the bearing element 10 of the 2D whose sections, however, in contrast to 2D as bearing segments 12 are executed. Furthermore, the shows 2F another side view of an embodiment of a multi-part, two bearing segments 12 , trained bearing element 10 , each bearing segment 12 an inner ring 14 and an outer ring 16 having, wherein the inner ring 14 and the outer ring 16 each of the slats 20 form or the slats 20 each in the inner ring 14 and / or the outer ring 16 pass.

Moreover, in the embodiment of the 2E yet another example of the center angle α of a bearing segment 12 this is smaller than 180 °, but greater than 90 °, and wherein in turn in each case two layer segments have the same center angle α.

By means of the bearing elements according to the invention 10 can each have a spring force 28 or a spring characteristic 24 be generated. The relationships between the respective deflection angle and the angle of rotation 26 and thus by means of the bearing elements 10 generated deflection torque 28 the spring force thus generated 28 go out of the diagram of the 3 out. So can the bearing element 10 or its network structure 22 and / or its fins 18 be designed such that in a first deformation or deflection 30 a linearly increasing spring force curve 28 and / or a progressive spring force curve 28 is set or generated. At the first deflection area 30 can be a second deflection range 32 connect, in which second deflection range 32 a degressive spring force curve 28 is set or generated. In addition, it can be attached to the second deflection range 32 again a third deflection range 34 connect in which a linear decreasing spring force curve 28 and / or regressive spring force course 28 is set or generated.

The first deflection area 30 could here, for example, a twist angle 26 from 0 ° to 5 °, the second deflection range 32 For example, a twist angle 26 from 5 ° to 10 ° and the third deflection range 34 a twist angle 26 from 10 ° to 15 °. In principle, other twist angles or deflection ranges would also be conceivable or conceivable. A linearly increasing and / or progressive spring force course 28 At the beginning of the deflection, this means first that the spring force 28 initially increasing, which means that as long as, for example, a tool arrangement (see. 5 ) in the ground contact is the spring force 28 increases in dependence of the deflection. This initially has the advantage that for the actual tillage and / or sowing a sufficient spring force 28 attacks on the tools. However, if the deflection reaches, for example, when hitting a stone or the like, a second deflection range 32 So it is necessary that the spring force 28 decreases or at least does not increase further.

A variant of an agricultural machine 36 or a tillage and / or seed drill 36 on which a plurality of bearing arrangements according to the invention 38 can be grown, shows the perspective view of the 4 , With the present machine 36 it is a tillage machine 40 in the form of a so-called disc harrow. The machine 36 is moved by means of a tractor, not shown here on an agricultural area, for this purpose for connection to the tractor in the front area a drawbar 42 is provided.

To the drawbar 42 includes a frame construction, which consists of a middle frame 44 and two pivotally mounted to this side frame 46 composed. At the rear end there is also a cylinder 48 in its position swiveling chassis 50 , which suspension 50 For example, for a road transport of the machine 36 can be pivoted down. In addition, the respective side frames 46 two depth wheels each 52 upstream and the middle frame 44 and the page frame 46 two packer rollers each 54 downstream. By means of the depth guide wheels 52 and the packer rollers 54 is or can respectively the working depth of the tillage machine 40 be changed or the tillage machine 40 be performed evenly over an agricultural area, this being the Tiefenführungsräder 52 and packer rollers 54 height adjustable are mounted to the frame construction.

On the frame construction are each transverse to the direction of travel 56 aligned carriers 58 appropriate. The carriers 58 also extend over the entire working width of the machine 36 , In addition, the carriers 58 mounted in two rows one behind the other. On the straps 58 are each spaced from each other, again over the entire working width of the machine 44 distributed storage arrangements according to the invention 38 with suspension devices 60 arranged. On the suspension devices 60 are in the embodiment of 1 also tool arrangements 62 attached, which include a cutting disc. By means of the cutting discs, the arable area is respectively processed or loosened accordingly. The tool arrangements 62 thus form an agricultural machine, also referred to as a disc harrow 44 or tillage machine 40 ,

For leveling the means of the tool arrangements 62 loosened farmland are between the cutting discs and the packer rollers 54 also still leveling tools 64 attached, which also by means of inventive bearing assemblies 38 could be stored on a support.

Further details of the invention will become apparent from the side views of 5A and 5B out. Shown here is a respective bearing arrangement 38 or a suspension device 60 for mounting and pivotal mounting of a tool assembly 62 , wherein the tool assembly 62 according to the 5A and 5B a cutting disc and thus a tool assembly 62 for tillage forms. But it would also be tool arrangements 62 for sowing or so-called coulters or tine tools or the like conceivable. Other components used in agricultural machinery could also be provided by means of a corresponding bearing arrangement 38 be stored.

According to the 5A Here is the tool arrangement 62 or the cutting disc in engagement with a soil surface 66 and according to the 5B in a deflected position caused by an obstacle such as a stone.

The tool arrangement 62 includes a swivel arm 68 the at a crosswise to the direction of travel 56 extending carrier 58 is mounted. In this case, the carrier 58 again be an element of a frame construction. Likewise, the carrier can 58 be adjustable in height and / or pivotally mounted about a pivot axis, wherein by a height adjustment and / or pivoting of the carrier 58 as well as the swivel arm 68 and thus the tool arrangement 62 in the working depth can be adjustable.

The carrier 58 is designed as a profile tube. In addition, the inner ring 14 of the bearing element 10 to the contour of the wearer 58 adapted, reducing cost carrier 58 Can be used as the spring force 28 only by the bearing element 10 and not by the mating of the carrier and the bearing element 10 is defined.

For pivotal mounting on the carrier 58 has the swivel arm 68 a storage section 70 on, with the bearing section 70 here in the swing arm 68 is integrated. But this could also be grown on this. The storage section 70 also surrounds the wearer 58 , Also, the storage section 70 executed in several parts. The storage section 70 consists of two shells and / or half shells, which shells can also be screwed and thus the wearer 58 turn around completely.

By means of the bearing arrangement 38 can each have a defined biasing force or spring force 28 on the means of this stored tool assembly 62 be generated, which in turn depending on the elastic deformation or in dependence of the rotation angle 26 can vary accordingly. For example, by means of the bearing element 10 create spring force 28 according to the 5A be smaller than according to the 5B or the other way around.

The invention is not limited to the preferred embodiments described above. Rather, a variety of variants and modifications is possible, which also make use of the inventive idea and therefore fall within the scope. In particular, the invention also claims protection of the subject matter and the features of the subclaims independently of the claims referred to. In particular, the features of the independent claims are each disclosed independently of each other. In addition, the features of the subclaims are also disclosed independently of all the features of the respective independent claim 1 or claim 20.

LIST OF REFERENCE NUMBERS

10

bearing element

12

bearing segment

14

inner ring

16

outer ring

18

lamella

20

intermediate ring

22

Network; network structure

24

Spring characteristic

26

angle of twist

28

Deflection torque, spring force

30

first deflection range

32

second deflection range

34

third deflection range

36

agricultural machine

38

bearing arrangement

40

Tillage machine

42

drawbar

44

center frame

46

side frame

48

cylinder

50

landing gear

52

Depth wheel

54

Packerwalze

56

direction of travel

58

carrier

60

suspension device

62

tooling

64

Einebnungswerkzeug

66

ground surface

68

swivel arm

70

bearing portion

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• EP 2404489 A1 [0002]
• EP 3025655 B1 [0006]

Claims (22)

Bearing element (10) for mounting, positioning and pivotable mounting of components, characterized in that the bearing element (10) has an inner ring (14) and an outer ring (16), between which extend at least two elastically deformable lamellae (18) and / or arranged. Bearing element after Claim 1 , characterized in that the blades (18) during pivoting movements of the inner ring (14) and / or the outer ring (16) generate a spring force (28) and / or biasing force. Bearing element after Claim 1 or 2 , characterized in that the spring force (28) and / or the spring characteristic (24) depending on the contours and the elastic material properties of the slats (18) are defined. Bearing element according to one of the preceding claims, characterized in that the inner ring (14) has an opening, wherein the opening has an at least partially round and / or circular and / or rectangular and / or square outline and that the bearing element (10) has an outer contour which has an at least partially round and / or circular and / or square and / or rectangular outline. Bearing element according to one of the preceding claims, characterized in that the inner ring (14) comprises an outer contour which has an at least partially round and / or circular and / or square and / or rectangular outline and in that the bearing element (10) has an outer ring (16 ), which outer ring (16) comprises an inner contour, which has an at least partially round and / or circular and / or square and / or rectangular outline. Bearing element according to one of the preceding claims, characterized in that this is made of a material or that this is made of at least two different materials. Bearing element according to one of the preceding claims, characterized in that this is made of a fiber composite material whose matrix and / or fibers define the spring characteristic (24). Bearing element according to one of the preceding claims, characterized in that the lamellae (18) have a from inside to outside and / or from outside to inside widening and / or tapering course, in particular a conically widening and / or tapered course. Bearing element according to one of the preceding claims, characterized in that the lamellae (18) run radially between the inner ring (14) and the outer ring (16) and / or are arranged, wherein the radii of curvature by a deflection and / or by an elastic deformation zoom in or out. Bearing element according to one of the preceding claims, characterized in that by means of this the rotational degree of freedom is limited or blocked in at least one direction. Bearing element according to one of the preceding claims, characterized in that between at least a few fins (18) between the inner ring (14) and the outer ring (16), an additional intermediate ring (20) is mounted. Bearing element according to one of the preceding claims, characterized in that the bearing element (10) has a network structure (22). Bearing element according to one of the preceding claims, characterized in that the lamellae (18) are arranged between the inner ring (14) and a further lamella (18) or between the outer ring (16) and a further lamella (18). Bearing element according to one of the preceding claims, characterized in that the inner ring (14) and the outer ring (16) are connected by means of positive engagement and / or adhesion and / or material connection with the respective components to be stored. Bearing element according to one of the preceding claims, characterized in that in a first deflection region (30) a linearly increasing spring force profile and / or a progressive spring force profile is generated. Bearing element according to one of the preceding claims, characterized in that a second deflection region (32) adjoins the first deflection region (30), in which second deflection region (32) a degressive spring force profile is generated. Bearing element according to one of the preceding claims, characterized in that adjoining the second deflection region (32) is a third deflection region (34), in which a linearly decreasing spring force and / or regressive spring force profile is generated. Bearing element according to one of the preceding claims, characterized in that it consists of two or more bearing segments (12), which bearing segments (12) are identical or different. Bearing element according to one of the preceding claims, characterized in that the outer ring (16) and / or the inner ring (14) at least partially form a blade (18). A bearing assembly (38) of an agricultural machine (36) for mounting and pivotally supporting at least two components used in agricultural machines (36), the bearing assembly (38) including at least one bearing member (10) having an inner ring (14) for connection to a first component and an outer ring (16) for connection to a second component, characterized in that between the inner ring (14) and the outer ring (16) at least two elastically deformable blades (18) extend and / or are arranged. Bearing arrangement after Claim 20 , characterized in that the blades (18) during pivoting movements of the inner ring (14) and / or the outer ring (16) generate a spring force (28) and / or biasing force. Bearing arrangement after Claim 20 or 21 , characterized in that the spring forces (28) and / or the spring characteristic (24) depending on the contours and the elastic material properties of the slats (18) are defined.

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