DE102016118056A1 - Rolling bearing, wind turbine with a roller bearing and method for mounting a rolling bearing - Google Patents

Abstract

The present invention relates to a rolling bearing having a first bearing ring, a second bearing ring, a plurality of rolling elements arranged between the first bearing ring and the second bearing ring and at least one sealing element arranged between the first bearing ring and the second bearing ring for sealing an interior of the rolling bearing that can be filled with a lubricant. wherein the rolling bearing has a conveying element for conveying the lubricant in a relative movement between the first bearing ring and the second bearing ring, wherein the first bearing ring comprises a first segment and a second segment, wherein the conveying element is connected to a connection region which between the first segment and is set to the second segment.

Description

State of the art

The invention relates to a rolling bearing having a first bearing ring, a second bearing ring, a plurality of rolling elements arranged between the first bearing ring and the second bearing ring and at least one arranged between the first bearing ring and the second bearing ring sealing element for sealing a fillable with a lubricant interior of the bearing, wherein the rolling bearing has a conveying element for conveying the lubricant during a relative movement between the first bearing ring and the second bearing ring. Furthermore, the invention relates to a method for mounting a rolling bearing.

Such a rolling bearing with a arranged between the bearing rings of the rolling bearing sealing element is made of DE 10 2015 102 867 A1 known. The sealing element is arranged on one of the two bearing rings and is sealingly against the other bearing ring. This rolling bearing also has a plurality of conveying elements, which are arranged non-rotatably on one of the two bearing rings. In a relative movement of the bearing rings, the conveyor elements strip lubricant from the opposite bearing ring and promote it in the direction of the rolling elements, so that the undesired leakage of the lubricant is reduced by the sealing element. In the known rolling bearing therefore lubricant must be refilled rarely. The conveying elements are arranged on an additional ring of the rolling bearing. In the additional ring grooves are provided, in which the conveying elements are introduced. When mounting the bearing, first the conveying elements must be connected to the additional ring before the additional ring can then be fixed to one of the two bearing rings.

Disclosure of the invention

It is an object of the present invention to allow the mounting of a rolling bearing with reduced effort.

The present invention solves the problem by a rolling bearing having a first bearing ring, a second bearing ring, a plurality of arranged between the first bearing ring and the second bearing ring rolling elements and at least one arranged between the first bearing ring and the second bearing ring sealing element for sealing a fillable with a lubricant interior the rolling bearing, wherein the rolling bearing has a conveying element for conveying the lubricant in a relative movement between the first bearing ring and the second bearing ring, wherein the first bearing ring comprises a first segment and a second segment, wherein the conveying element is connected to a connection region which between the first segment and the second segment is set.

When mounting the rolling bearing according to the invention, it is not necessary to first connect the conveying element with an intermediate ring and then set the intermediate ring together with the conveying element on the first bearing ring. Rather, it is possible to arrange the conveying element directly between the first segment and the second segment of the first bearing ring. In this respect, the conveying element can be fixed in the assembly of the first bearing ring on this, whereby the assembly cost is reduced.

Preferably, the first segment has a first connection region for connection to the second segment, and the second segment has a second connection region for connection to the first segment. Particularly preferably, in each case a recess is arranged in the first connecting region and / or in the second connecting region, in which the connection region connected to the conveying element can be received. In particular, the recess in the first connection region and / or in the second connection region is adapted to the shape of the connection region. The first segment and the second segment can be connected to one another via a detachable connection, for example a screw connection. Alternatively, it is possible to weld the first segment and the second segment.

On the first bearing ring and the second bearing ring treads are preferably arranged, on which the rolling elements of the rolling bearing can roll off. Preferably, the first bearing ring and / or the second bearing ring are inductively surface hardened, in particular in the region of their treads. This makes it possible to harden the contact surfaces in contact with the rolling surfaces and at the same time to allow the further processing of the first bearing ring and / or second bearing ring outside the running surfaces.

The lubricant, in particular the grease or the oil, preferably exhibits an NGLI class DIN 51818 / DIN ISO 2137 in the range of 00 to 2, for example an NGLI class of 00, 0, 1 or 2.

The rolling bearing can be designed as a large rolling bearing, wherein the first bearing ring and / or the second bearing ring have a diameter in the range of 0.5 m to 8 m, preferably in the range of 1 m to 6 m, more preferably in the range of 1.5 m to 4 m.

According to an advantageous embodiment, the first segment and the second segment are adjacent in an axial direction parallel to an axis of rotation of the rolling bearing, in particular touching. The first segment and the second segment may be adjacent to one another in the axial direction. The first segment preferably has a first surface and the second segment has a second surface which are in contact with one another and are arranged transversely, in particular perpendicular, to the axial direction.

According to an alternative, advantageous embodiment, the first segment and the second segment in a circumferential direction of the rolling bearing adjacent, in particular touching, arranged. The first segment and the second segment can be adjacent to one another in the circumferential direction of the roller bearing. The first segment preferably has a first surface and the second segment has a second surface, which are in contact with one another and are arranged transversely, in particular perpendicular, to the circumferential direction.

According to a preferred embodiment, the first bearing ring is an inner ring of the rolling bearing and the second bearing ring is an outer ring of the rolling bearing, which is arranged concentrically outside the first bearing ring.

An alternatively preferred embodiment provides that the first bearing ring is an outer ring of the rolling bearing and the second bearing ring is an inner ring of the rolling bearing, which is arranged concentrically within the first bearing ring.

Preferably, the first bearing ring is designed to be stationary and the second bearing ring is rotatable relative to the first bearing ring. This means that the conveying element is arranged on the fixed bearing ring of the rolling bearing. With a relative movement of the bearing rings, i. upon rotation of the second bearing ring relative to the first bearing ring, it comes through the conveying element to a relative movement of the lubricant relative to the second bearing ring.

It has also proven to be advantageous if the conveying element is designed such that there is a clearance between the conveying element and the second bearing ring. By means of the conveying element, the lubricant present in the rolling bearing, in particular grease or oil, can be circulated, so that it is possible to reduce local lubricant surpluses and / or local pressure increases in the interior, in particular in the area of the inside of the sealing element. The play between the conveying element and the second bearing ring which is movable relative to the conveying element defines a region in which existing lubricant can not be taken up by the conveying element and / or conveyed. It can thus remain a predetermined amount of lubricant in the area in front of the sealing element, so that the functionality of the sealing element is not impaired. In addition, counteracted by the game possible wear of the conveyor element by contact with the movable relative to the conveyor element second bearing ring. Furthermore, deformations of the first and / or second bearing ring can be absorbed by the game. The conveying element thus makes it possible to compensate for the distribution of the lubricant in the interior of the rolling bearing.

A preferred embodiment provides that the sealing element is rotatably connected to the first bearing ring. In such an embodiment, the sealing element can rotate with a relative movement between the bearing rings with the conveying element.

According to an advantageous embodiment, the rolling bearing has at least one stripping element for stripping lubricant from the conveying element. The stripping element can be arranged such that lubricant conveyed by the conveying element is stripped off the conveying element by the stripping element. The stripped lubricant can be discharged via the stripping element from the region of the sealing element.

In this context, it is advantageous if the conveying element is movable relative to the stripping element, so that during a movement of the conveying element relative to the stripping element, in particular past the stripping element, lubricant conveyed by the conveying element can be stripped by the stripping element.

Preferably, the scraper is rotatably connected to the second bearing ring and between the scraper and the first bearing ring a game is provided. By providing a clearance between the stripping element and the inner ring or outer ring movable relative to the stripping element, the wear of the stripping element can be reduced.

A preferred embodiment provides that the second bearing ring comprises a third segment and a fourth segment, wherein the stripping element is connected to a connection region which is defined between the third segment and the fourth segment. It is thus possible to arrange the stripping element directly between the third segment and the fourth segment of the second bearing ring. In this respect, the stripping element can be set in the assembly of the second bearing ring to this, causing the Installation effort reduced. Preferably, the third segment has a third connection region for connection to the fourth segment, and the fourth segment has a fourth connection region for connection to the third segment. Particularly preferably, in each case a recess is arranged in the third connection region and / or in the fourth connection region, in which the connection region connected to the stripping element can be received. In particular, the recess in the third connection region and / or in the fourth connection region is adapted to the shape of the connection region. The third segment and the fourth segment can be connected to one another via a detachable connection, for example a screw connection. Alternatively, it is possible to weld the third segment and the fourth segment.

A preferred embodiment provides that the conveying element is lamellar, whereby a good conveying effect can be achieved. Alternatively or additionally, the stripping element can be designed like a louver. According to a different embodiment, the conveying element and / or the stripping element is configured scoop-shaped or triangular.

It is furthermore preferred if a main extension plane of the conveying element encloses an acute angle with an axial plane of the rolling bearing enclosing the axis of rotation. By such an inclination of the conveying element with respect to the axis of rotation, an additional force components in the axial direction can be given to the lubricant conveyed by the conveying element, so that the lubricant is conveyed not only in the circumferential direction but also in the axial direction. Particularly preferably, the acute angle between the conveying element and the axial plane is arranged such that lubricant is conveyed on movement of the conveying element in the direction of a raceway of the rolling bearing. This makes it possible to promote lubricant away from a arranged in an edge region of the rolling bearing sealing element, so that the distribution of the lubricant can be compensated in the axial direction. Alternatively or additionally, a main extension plane of the stripping element can form an acute angle with an axial plane of the rolling bearing enclosing the axis of rotation, so that the lubricant can be discharged in the axial direction by means of the stripping element.

An embodiment in which the conveying element and the stripping element have an opposite inclination with respect to an axial plane of the rolling bearing enclosing the axis of rotation is advantageous. Due to the opposite inclination, lubricant removed from the conveying element can be conveyed in an improved manner via the stripping element in the radial direction.

It has also proven to be advantageous embodiment in which a main extension plane of the conveying element is arranged parallel to a radial direction of the rolling bearing, so that the lubricant can be promoted by means of the conveying element improved in the circumferential direction. Alternatively or additionally, a main extension plane of the stripping element may be arranged parallel to a radial direction of the rolling bearing.

An advantageous embodiment of the rolling bearing provides that the rolling bearing has a plurality of conveying elements, so that the conveying effect can be enhanced. Alternatively or additionally, the rolling bearing can have a plurality of stripping elements.

It is further preferred if the rolling bearing has a plurality of conveying elements, which are arranged on a common, in particular annular, base body. The main body can form a delivery wheel together with the conveying elements. The base body and / or the conveying elements may be formed from a metal. The connection region, which is defined between the first segment and the second segment, may be formed integrally with the base body.

It is further preferred if the rolling bearing has a plurality of stripping elements, which are arranged on a common, in particular annular, base body. The main body can form a stripping wheel together with the stripping elements. The base body and / or the stripping elements can be formed from a metal. The connection region, which is defined between the third segment and the fourth segment, may be formed integrally with the base body.

It has proved to be advantageous embodiment, wherein the base body has recesses through which lubricant from the scraper elements through the body is conductive, in particular in the direction of rolling elements of the bearing. The recesses may be formed by stamping and subsequently bending the stamped area, the stamped area being bent to form the scraping element. As a result, a manufacturing technology advantageous and cost-effective implementation of the stripping elements can be realized.

Preferably, the rolling bearing has two arranged between the first bearing ring and the second bearing ring sealing elements for sealing the interior. The sealing elements can be arranged on opposite sides of the rolling bearing, so that the interior of the Rolling is sealed from both sides. Both sealing elements can be configured as sealing rings.

In a wind turbine with a nacelle, a rotor and a rolling bearing, via which the rotor is rotatably connected to the nacelle, the rolling bearing is preferably formed as shown above.

The same advantages can be achieved as have already been described in connection with the rolling bearing.

Preferably, the first bearing ring of the rolling bearing is rotatably connected to the nacelle and the second bearing ring is rotatably connected to the rotor. Alternatively, the first bearing ring rotatably connected to the rotor and the second bearing ring rotatably connected to the nacelle.

The object is further achieved by a method for mounting a rolling bearing having a first bearing ring, a second bearing ring, a plurality of arranged between the first bearing ring and the second bearing ring rolling elements and at least one arranged between the first bearing ring and the second bearing ring sealing element for sealing a with a Lubricant fillable interior of the rolling bearing, wherein the rolling bearing has a conveying element for conveying the lubricant in a relative movement between the first bearing ring and the second bearing ring, wherein the first bearing ring comprises a first segment and a second segment, wherein the conveying element is connected to a connection region, which is first brought into contact with the first segment and then the second segment is brought into contact with the connection region and with the first segment.

The same advantages can be achieved as have already been described in connection with the rolling bearing.

A preferred embodiment of the method provides that the first segment has a recess into which the connection region connected to the conveying element is inserted.

It is further preferred if the second segment has a recess and the second segment is brought into contact with the connection region and the first segment in such a way that the connection region is received in the recess of the second segment.

In the wind power plant and the method, alternatively or additionally, the advantageous features described in connection with the rolling bearing according to the invention can be used.

Further details, features and advantages of the invention will become apparent from the drawings and from the following description of preferred embodiments with reference to the drawings. The drawings illustrate only exemplary embodiment of the invention, which does not limit the inventive concept.

Brief description of the figures

The 1 shows a first embodiment of a rolling bearing according to the invention in a sectional view.

The 2 shows a second embodiment of a rolling bearing according to the invention in a sectional view.

The 3 shows a third embodiment of a rolling bearing according to the invention in a sectional view.

The 4 shows a fourth embodiment of a rolling bearing according to the invention in a sectional view.

The 5 shows an embodiment of a wind turbine according to the invention.

Embodiments of the invention

In the various figures, the same parts are always provided with the same reference numerals and are therefore usually named or mentioned only once in each case.

The picture in 1 shows a rolling bearing 1 according to a first embodiment of the invention. The rolling bearing 1 is designed as a large rolling bearing and has a diameter in the range of 0.5 m to 8 m, preferably from 1 m to 6 m, more preferably from 1.5 m to 4 m. The rolling bearing 1 includes two raceways 2 in which conical rolling elements 3 are included. In this respect, it is in the rolling bearing 1 around a double row tapered roller bearing. The raceways 2 are between a trained as an outer ring first bearing ring 4 and a second bearing ring designed as an inner ring 5 arranged. The first bearing ring 4 and the second bearing ring 5 are rotatable about an axis of rotation relative to each other, which parallel to the in 1 with the reference number 100 shown axial direction is arranged. The interior 7 of the rolling bearing 1 is filled with a lubricant designed as a grease. To prevent unwanted leakage of the lubricant from the rolling bearing 1 as possible to prevent, has the rolling bearing 1 two sealing elements 6 on. The sealing elements 6 are each on opposite outer sides of the rolling bearing 1 arranged. The sealing elements 6 are annular.

Such bearings 1 For example, they can be used as rotor bearings in wind turbines. In such an application as a rotor bearing, the rolling bearing 1 a preferred direction of rotation and is substantially continuously rotating. In order to reduce the downtime of the wind turbines, it is desirable that such continuously rotating rolling bearings 1 have as long as possible maintenance intervals. To extend the maintenance intervals are in the rolling bearing 1 special measures have been taken. The rolling bearing 1 has conveyor elements 8th on which rotatably on the first bearing ring 4 are arranged. The conveyor elements 8th extend into the interior 7 of the rolling bearing 1 and ensure that the lubricant due to rotation of the first bearing ring 4 opposite the second bearing ring 5 or a rotation of the second bearing ring 5 opposite the first bearing ring 4 within the rolling bearing 1 in the circumferential direction 101 of the rolling bearing 1 is encouraged. Furthermore, the conveying elements 8th formed such that between the conveying element 8th and the second bearing ring 5 there is a game. This circulation of the lubricant causes existing unequal distributions of the lubricant in the area in front of the sealing elements 6 reduced. This reduces the risk of lubricant leakage through the sealing elements 6 , so that the unwanted escape of lubricant from the rolling bearing 1 reduces and the maintenance intervals of the bearing 1 can be extended.

The first bearing ring 4 of the rolling bearing 1 is formed segmented. The first bearing ring 4 includes several segments 4.1 . 4.2 . 4.3 , A first segment 4.1 and a second segment 4.2 of the first bearing ring 4 are in one to a rotational axis of the bearing 1 parallel, axial direction 100 adjacent, in particular touching, arranged. The conveying element 8th is with a connection area 9 connected, which between the first segment 4.1 and the second segment 4.2 is fixed. When mounting the rolling bearing according to the invention, it is possible, the conveying element 8th immediately between the first segment 4.1 and the second segment 4.2 to arrange. The conveying element 8th can in the assembly of the first bearing ring 4 be fixed to this, which reduces the assembly costs. The first segment 4.1 has a first connection area for connection to the second segment 4.2 on and the second segment 4.2 has a second connection area for connection to the first segment 4.1 on. In each case a recess is arranged in the first connection region and in the second connection region, in which connection with the conveying element 8th connected connection area 9 is included. In particular, the recess in the first connection region and / or in the second connection region is in the form of the connection region 9 customized. The first segment 4.1 and the second segment 4.2 can have one in the 1 not shown releasable connection, such as a screw, are connected together. Alternatively, it is possible to use the first segment 4.1 and the second segment 4.2 to weld.

In the rolling bearing 1 according to the first embodiment are on the first bearing ring 4 a variety of conveyor elements 9 arranged so that the conveying elements 8th upon rotation of the first bearing ring 4 opposite the second bearing ring 5 with the first bearing ring 4 rotate. The sealing elements 6 are rotationally fixed to the first bearing ring 4 established. The conveyor elements 8th are designed essentially lamellar. In this respect, the conveying elements 8th designed as conveyor slats. The conveyor elements 8th are parallel to the axial direction 100 from the first bearing ring 4 from. The conveyor elements 8th are integrally connected to an annular base body. The main body forms together with the conveying elements 8th a conveyor wheel. On the conveyor wheel is integrally the connection area 9 formed between the first segment 4.1 and the second segment 4.2 is fixed. The conveyor elements 8th are at a distance to the second bearing ring 5 arranged and do not touch this. They have a main extension plane which lies in an axial plane which is the axis of rotation of the rolling bearing 1 includes. Alternatively, the main extension plane of the conveying elements 9 enclose an acute angle with the axial plane, so that the lubricant can be given a force component in the axial direction. Preferably, the acute angle between the conveying element and the axial plane is arranged such that lubricant during movement of the conveying element parallel to the axial direction 100 on the rolling elements 3 of the rolling bearing 1 to be promoted. This makes it possible lubricant from the sealing element 6 away, so that the distribution of the lubricant can be compensated in the axial direction.

In the rolling bearing 1 According to the first embodiment, the first bearing ring 4 formed stationary and the second bearing ring 5 is opposite the first bearing ring 4 rotatable. That meant the first bearing ring 4 on a fixed or quasi-fixed element, such as a nacelle of a wind turbine, is rotatably mounted. The second bearing ring 5 is rotatable relative to the fixed or quasi-fixed element. For example, the second bearing ring 5 be connected to a rotor of a wind turbine.

In the 2 is a second embodiment of a rolling bearing according to the invention 1 shown. The rolling bearing 1 According to the second embodiment, all the elements of the rolling bearing according to the first embodiment. In this respect, the description of the rolling bearing meets 1 out 1 also on the rolling bearing 1 out 2 to. In addition, in the rolling bearing 1 of the second embodiment, a plurality of stripping elements 14 provided on which lubricant from the conveyor elements 8th can be stripped. Between the stripping elements 14 and the first bearing ring 4 a game is planned. The stripping elements 14 are arranged such that the conveying elements 9 opposite the scraper elements 14 can move. For this purpose, the stripping elements 14 rotatably on the formed as an inner ring second bearing ring 4 established. The stripping elements 14 are integral with an annular body 15 connected. The main body 15 forms together with the stripping elements 14 a scraper wheel 15 , The stripping elements 14 are by punching and bending sections of the second body 15 formed so that next to each wiper element 14 in each case a recess in the second base body 15 is arranged.

The stripping elements 14 are designed essentially lamellar. The stripping elements 14 are formed of a rigid material, in particular of a metal. They have a main extension plane, which in an inclination to the inner contour of the second body 15 is arranged, wherein the stripping elements 14 transverse to the conveyor elements 8th are arranged. In this respect, have the conveying elements 8th and the stripping elements 14 with respect to an axis of rotation enclosing the axial plane of the bearing 1 an opposite inclination. The main extension plane of the stripping elements 14 is parallel to a radial direction 101 of the rolling bearing 1 arranged. Furthermore, the main extension plane of the stripping closes 14 an acute angle with the axis of rotation enclosing the axial plane of the bearing 1 one. In the rolling bearing 1 according to the embodiment can by the angle of the stripping 14 be achieved with respect to the axial plane, that lubricant in a relative movement between the bearing rings 4 . 5 from the conveyor elements 8th stripped and through the recesses in the direction of the rolling elements 3 is directed.

The second bearing ring 5 of the rolling bearing 1 is also formed segmented. The second bearing ring 5 includes several segments 5.1 . 5.2 . 5.3 , A third segment 5.1 and a fourth segment 5.2 of the second bearing ring 5 are in one to a rotational axis of the bearing 1 parallel, axial direction 100 adjacent, in particular touching, arranged. The stripping element 14 is with a connection area 15 connected, which between the third segment 5.1 and the fourth segment 5.2 is fixed. When mounting the rolling bearing according to the invention, it is possible the stripping 14 directly between the third segment 5.1 and the fourth segment 5.2 to arrange. The stripping element 14 can in the assembly of the second bearing ring 5 be fixed to this, which reduces the assembly costs. The third segment 5.1 has a first connection area for connection to the fourth segment 5.2 on and the fourth segment 5.2 has a second connection area for connection to the third segment 5.1 on. In each case a recess is arranged in the first connection region and in the second connection region, in which region the one with the stripping element 14 connected connection area 15 is included. In particular, the recess in the first connection region and / or in the second connection region is in the form of the connection region 15 customized. The third segment 5.1 and the fourth segment 5.2 can have one in the 1 not shown releasable connection, such as a screw, are connected together. Alternatively, it is possible to use the third segment 5.1 and the second segment 5.2 to weld

The representation in 3 shows a third embodiment of a rolling bearing according to the invention 1 , The rolling bearing 1 According to the third embodiment, all the elements of the rolling bearing according to the first embodiment. In this respect, the description of the rolling bearing meets 1 out 1 also on the rolling bearing 1 out 2 to. Unlike the rolling bearing after 1 is the first bearing ring 4 designed as an inner ring and the second bearing ring 5 as outer ring, the first bearing ring 4 concentrically surrounds.

The first bearing ring 4 of the rolling bearing 1 is formed segmented. The first bearing ring 4 includes several segments 4.1 . 4.2 . 4.3 , A first segment 4.1 and a second segment 4.2 of the first bearing ring 4 are in one to a rotational axis of the bearing 1 parallel, axial direction 100 adjacent, in particular touching, arranged.

The conveyor elements 8th are with a connection area 9 connected, which between the first segment 4.1 and the second segment 4.2 is fixed. When mounting the rolling bearing according to the invention, it is possible, the conveying element 8th immediately between the first segment 4.1 and the second segment 4.2 to arrange. The conveying element 8th can in the assembly of the first bearing ring 4 be fixed to this, which reduces the assembly costs. The first segment 4.1 has a first connection area for connection to the second segment 4.2 on and the second segment 4.2 has a second connection area for connection to the first segment 4.1 on. In each case a recess is arranged in the first connection region and in the second connection region, in which connection with the conveying element 8th connected connection area 9 is included. In particular, the recess in the first connection region and / or in the second connection region is in the form of the connection region 9 customized. The first segment 4.1 and the second segment 4.2 can have one in the 1 not shown releasable connection, such as a screw, are connected together. Alternatively, it is possible to use the first segment 4.1 and the second segment 4.2 to weld.

Between the conveyor elements 8th and the second bearing ring 5 there is a game. Furthermore, the rolling bearing 1 two sealing elements 6 on, the rotationally fixed to the second bearing ring 5 are arranged. In this respect it comes with this rolling bearing 1 to a relative movement between the sealing elements 6 and the conveyor elements 8th , The conveyor elements 8th may be formed in terms of their shape and orientation as previously described in connection with the first and second embodiments.

In the embodiments of rolling bearings described above 1 can the conveyor elements 8th and / or the stripping elements 14 may have a different form of the embodiments. For example, it is possible, the conveying elements 8th and / or the stripping elements 14 curved, three-dimensional blade-shaped or triangular form.

According to a further modification of the embodiments, the stripping elements 14 as separate stripping elements 14 be educated. The stripping elements 14 can individually with the second bearing ring 5 be connected or it is possible segments having a plurality of integrally connected stripping elements 14 provided.

Furthermore, the embodiments described above can also find application when an oil is contained as a lubricant in the rolling bearing.

In the 4 is a fourth embodiment of a rolling bearing according to the invention 1 shown. In this rolling bearing 1 is the first bearing ring 4 in the circumferential direction 102 segmented. That means the first segment 4.1 and the second segment 4.2 in the circumferential direction 102 of the rolling bearing 1 adjacent, in particular touching, are arranged.

The rolling bearing has at least one conveying element 8th on, which with a connection area 9 connected between the first segment 4.1 and the second segment 4.2 is fixed.

The first bearing ring 4 is an inner ring of the rolling bearing 1 , Furthermore, the rolling bearing on a second bearing ring, which is designed as an outer ring and concentrically outside the first bearing ring 4 is arranged. Alternatively, the first bearing ring 3 an outer ring of the rolling bearing and the second bearing ring an inner ring of the rolling bearing, which concentrically within the first bearing ring 4 is arranged.

The 5 shows an embodiment of a wind turbine 30 according to the invention. The wind turbine 30 has a tower 31 and a gondola 32 on, which rotates about an azimuth pivot in azimuth on the tower 31 is stored. At the gondola 32 a rotor bearing is provided, via which a rotor 33 the wind turbine 30 rotatable with the nacelle 32 connected is. The rotor 33 has several, in particular three, rotor blades 34 on.

The rotor bearing of this wind turbine 30 is a rolling bearing 1 as it is in the 1 to 3 is shown. During the first bearing ring 4 of the rolling bearing 1 rotatably with the gondola 32 is connected, is the second bearing ring 5 of the rolling bearing 1 rotatably with the rotor 33 connected. In this respect, the outer ring 5 the rolling bearing relative to the first bearing ring 4 rotatable about a rotation axis. Alternatively, the first bearing ring 4 rotatably with the rotor 33 and the second bearing ring 5 rotatably with the gondola 32 be connected. In such an alternative embodiment, the first bearing ring 4 relative to the second bearing ring 5 rotatable about a rotation axis.

The rotor bearing of the wind turbine further has at least one on the first bearing ring 4 arranged sealing element 6 for sealing the interior 7 of the rolling bearing 1 on. The interior 7 is fillable with a lubricant. Furthermore, at least one conveying element 8th provided for the promotion of the lubricant, with a connection area 9 which is connected between a first segment 4.1 and a second segment 4.2 of the first bearing ring 4 is fixed.

LIST OF REFERENCE NUMBERS

1

 roller bearing

2

 career

3

 rolling elements

4

 bearing ring

5

 bearing ring

6

 sealing element

7

 inner space

8th

 impeller

9

 connecting region

14

 stripping element

15

 connecting region

30

 Wind turbine

31

 tower

32

 gondola

33

 rotor

34

 rotor blade

100

 axial direction

101

 circumferentially

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

• DE 102015102867 A1 [0002]

Cited non-patent literature

• DIN 51818 / DIN ISO 2137 [0008]

Claims (13)

Rolling bearing with a first bearing ring ( 4 ), a second bearing ring ( 5 ), several between the first bearing ring ( 4 ) and the second bearing ring ( 5 ) arranged rolling elements ( 3 ) and at least one between the first bearing ring ( 4 ) and the second bearing ring ( 5 ) arranged sealing element ( 6 ) for sealing an interior space that can be filled with a lubricant ( 7 ) of the rolling bearing ( 1 ), the rolling bearing ( 1 ) a conveying element ( 8th ) for conveying the lubricant in a relative movement between the first bearing ring ( 4 ) and the second bearing ring ( 5 ), characterized in that the first bearing ring ( 4 ) a first segment ( 4.1 ) and a second segment ( 4.2 ), wherein the conveying element ( 8th ) with a connection area ( 9 ) connected between the first segment ( 4.1 ) and the second segment ( 4.2 ). Rolling bearing according to claim 1, wherein the first segment ( 4.1 ) and the second segment ( 4.2 ) in an axis of rotation of the rolling bearing ( 1 ) parallel, axial direction ( 100 ) adjacent, in particular touching, are arranged. Rolling bearing according to claim 1, wherein the first segment ( 4.1 ) and the second segment ( 4.2 ) in a circumferential direction ( 102 ) of the rolling bearing ( 1 ) adjacent, in particular touching, are arranged. Rolling bearing according to one of the preceding claims, wherein the first bearing ring ( 4 ) an inner ring of the rolling bearing ( 1 ) and the second bearing ring ( 5 ) an outer ring of the rolling bearing ( 1 ), which concentrically outside the first bearing ring ( 4 ) is arranged. Rolling bearing according to one of claims 1 to 3, wherein the first bearing ring ( 4 ) an outer ring of the rolling bearing ( 1 ) and the second bearing ring ( 5 ) an inner ring of the rolling bearing ( 1 ), which concentrically within the first bearing ring ( 4 ) is arranged. Rolling bearing according to one of the preceding claims, wherein the first bearing ring ( 4 ) is stationary and the second bearing ring ( 5 ) relative to the first bearing ring ( 4 ) is rotatable. Rolling bearing according to one of the preceding claims, wherein the conveying element ( 8th ) is formed such that between the conveying element ( 8th ) and the second bearing ring ( 5 ) there is a game. Rolling bearing according to one of the preceding claims, wherein the rolling bearing ( 1 ) a scraper element ( 14 ) for stripping lubricant from the conveyor element ( 8th ) having. Rolling bearing according to claim 8, wherein the stripping element ( 14 ) rotatably with the second bearing ring ( 5 ) and between the scraper element ( 14 ) and the first bearing ring ( 4 ) is a game is provided. Rolling bearing according to one of claims 8 or 9, wherein the second bearing ring ( 5 ) a third segment ( 5.1 ) and a fourth segment ( 5.2 ), wherein the stripping element ( 14 ) with a connection area ( 15 ) connected between the third segment ( 5.1 ) and the fourth segment ( 5.2 ). Rolling bearing according to one of the preceding claims, wherein the conveying element ( 8th ) and / or the stripping element ( 14 ) are lamellar. Wind turbine with a gondola ( 32 ), a rotor ( 33 ) and a rolling bearing ( 1 ) over which the rotor ( 33 ) rotatable with the nacelle ( 32 ), wherein the rolling bearing ( 1 ) is designed according to one of the preceding claims. Method for mounting a roller bearing with a first bearing ring ( 4 ), a second bearing ring ( 5 ), several between the first bearing ring ( 4 ) and the second bearing ring ( 5 ) arranged rolling elements ( 3 ) and at least one between the first bearing ring ( 4 ) and the second bearing ring ( 5 ) arranged sealing element ( 6 ) for sealing an interior space that can be filled with a lubricant ( 7 ) of the rolling bearing ( 1 ), the rolling bearing ( 1 ) a conveying element ( 8th ) for conveying the lubricant in a relative movement between the first bearing ring ( 4 ) and the second bearing ring ( 5 ), characterized in that the first bearing ring ( 4 ) a first segment ( 4.1 ) and a second segment ( 4.2 ), wherein the conveying element ( 8th ) with a connection area ( 9 ), which is initially in contact with the first segment ( 4.1 ) and then that second segment ( 4.2 ) in contact with the connection area ( 9 ) and with the first segment ( 4.1 ) is brought.

Images