Axial-radial rolling contact bearing, in particular for supporting rotor blades on a wind turbine

An axial-radial roller-bearing assembly for mounting rotor blades on a wind-power plant has a first bearing ring forming a race and centered on a bearing axis and a second bearing ring forming another race coaxial to the race formed by the first bearing ring. A radial roller bearing with rollers as rolling elements is between the first and second bearing rings. First, second, third, and fourth axial roller bearings have rollers serving as rolling elements between the first and second bearing rings and axially spaced from one another. The radial roller bearing is axially between the second and third axial roller bearings.

Axial-radial rolling contact bearing, in particular for supporting rotor blades on a wind turbine

The invention relates to an axial-radial rolling contact bearing, in particular for supporting rotor blades (2) on a wind turbine (1), comprising a first bearing ring (7) and a second bearing ring (8), which form an inner ring and an outer ring, and comprising a radial rolling contact bearing row (4) and a plurality of axial rolling contact bearing rows between the first bearing ring (7) and the second bearing ring (8). According to the invention, at least four axial rolling contact bearing rows (5a, 5b, 5c, 5d) which are arranged at a distance from each other in the axial direction (x) are provided, said radial rolling contact bearing row (4) being arranged between the second axial rolling contact bearing row (5b) and the third axial rolling contact bearing row (5c) in the axial direction (x).

AXIAL-RADIAL ROLLING CONTACT BEARING, IN PARTICULAR FOR SUPPORTING ROTOR BLADES ON A WIND TURBINE

The invention relates to an axial-radial rolling contact bearing, in particular for supporting rotor blades () on a wind turbine (), comprising a first bearing ring () and a second bearing ring (), which form an inner ring and an outer ring, and comprising a radial rolling contact bearing row () and a plurality of axial rolling contact bearing rows between the first bearing ring () and the second bearing ring (). According to the invention, at least four axial rolling contact bearing rows (a, b, c, d) which are arranged at a distance from each other in the axial direction (x) are provided, said radial rolling contact bearing row () being arranged between the second axial rolling contact bearing row (b) and the third axial rolling contact bearing row (c) in the axial direction (x). 1. An axial-radial roller bearing for mounting rotor blades on a wind-power plant , the roller bearing comprising:a first bearing ring forming a race and centered on an axis;a second bearing ring forming another race coaxial to the race formed by the first bearing ring;a radial roller bearing with rollers as rolling elements and between the first and second bearing rings; andfirst, second, third, and fourth axial roller bearings having rollers serving as rolling elements between the first and second bearing rings and at a spacing from each other in an axial direction, the radial roller bearing being between the second and third axial roller bearings in the axial direction.2. The axial-radial roller bearing according to claim 1 , wherein there are exactly five rows claim 1 , comprising the four axial roller bearings and the radial roller bearing.3. The axial-radial roller bearing according to claim 2 , wherein the first bearing ring is divided into two bearing ring segments between the second axial roller bearing and the third axial roller bearing claim 2 , and the second bearing ring is divided into a total of three segments between the first and second axial roller bearings and between ...

WIND TURBINE, ROTOR SYSTEM, AND METHOD FOR USING A WIND TURBINE

A wind turbine may include a rotor hub, a blade bearing, a rotor blade, and a conical rotor-hub extension disposed between the rotor hub and the blade bearing. The conical rotor-hub extension may have a first diameter on a first side that is directed toward the blade bearing and a second diameter on a second side that is directed toward the rotor hub. The first diameter may be greater than the second diameter, and the rotor blade may be connected to the blade bearing directly or indirectly. The blade bearing may comprise a first blade-bearing ring and a second blade-bearing ring, with the first blade-bearing ring being connected to the conical rotor-hub extension in a form-fitting manner, in a form- and force-fitting manner, or in a form configured as part of the conical rotor-hub extension. 115.-. (canceled)16. A wind turbine comprising:a rotor hub;a blade bearinga rotor blade that is connected directly or indirectly to the blade bearing; anda conical rotor-hub extension disposed between the rotor hub and the blade bearing, wherein the conical rotor-hub extension has a first diameter on a first side directed toward the blade bearing and a second diameter on a second side directed toward the rotor hub, wherein the first diameter is greater than the second diameter.17. The wind turbine of wherein the blade bearing comprises a first blade-bearing ring and a second blade-bearing ring claim 16 , wherein the first blade-bearing ring is connected to the conical rotor-hub extension in a form-fitting manner claim 16 , in a form- and force-fitting manner claim 16 , or in a form configured as part of the conical rotor-hub extension.18. The wind turbine of wherein the first blade-bearing ring is configured as an inner blade-bearing ring and the second blade-bearing ring is configured as an outer blade-bearing ring.19. The wind turbine of wherein the first blade-bearing ring is configured as an outer blade-bearing ring and the second blade-bearing ring is configured as an inner ...

Rolling bearing assembly and wind turbine

Wälzlageranordnung (1), insbesondere Großwälzlageranordnung (1) für eine Windkraftanlage, aufweisend einen Außenring (2) und einen relativ zum Außenring (2) um eine Rotationsachse (100) drehbaren Innenring (3), wobei die Wälzlageranordnung (1) eine erste Laufbahn (10) aufweist, in welcher eine Mehrzahl von ersten Wälzkörpern (11) angeordnet sind, wobei die erste Laufbahn (10) zwischen einem ersten Ringfortsatz (15) des Außenrings (2) und einem zweiten Ringfortsatz (16) des Innenrings (3) ausgebildet ist, wobei der zweite Ringfortsatz (16) den ersten Ringfortsatz (15) entlang einer zur Rotationsachse (100) radialen Richtung (101) hintergreift, dadurch gekennzeichnet, dass die Wälzlageranordnung (1) eine mehrere zweite Wälzkörper (21) aufweisende zweite Laufbahn (20) und eine mehrere dritte Wälzkörper (31) aufweisende dritte Laufbahn (30) aufweist, wobei die erste Laufbahn (10) entlang einer zur Rotationsachse (100) parallelen Richtung zwischen der zweiten und dritten Laufbahn (20, 30) angeordnet ist, wobei die Drehachsen (14) der ersten Wälzkörper (11) parallel zur Rotationsachse (100) verlaufen und wobei die ersten Wälzkörper (11) zylinderförmig ausgebildet sind und eine radiale Abstützung des Außenrings (2) und des Innenrings (3) gegeneinander bewirken. Rolling bearing arrangement (1), in particular slewing bearing arrangement (1) for a wind power plant, comprising an outer ring (2) and an inner ring (3) rotatable relative to the outer ring (2) about an axis of rotation (100), the rolling bearing arrangement (1) having a first track (Fig. 10), in which a plurality of first rolling bodies (11) are arranged, wherein the first raceway (10) between a first annular extension (15) of the outer ring (2) and a second annular extension (16) of the inner ring (3) is formed wherein the second annular extension (16) engages behind the first annular extension (15) along a radial direction (101) to the rotation axis (100), characterized in that the rolling bearing arrangement (1 ...

Wind turbine with rotor hub extension

Method for increasing the load-bearing capacity, and rolling device for hard rolling a surface-hardened rolling-bearing raceway

A method for increasing load capacity of a surface-hardened rolling bearing raceway of a rolling bearing ring element may involve providing a rolling bearing ring element with an unhardened core region and, at least in certain portions, an outer layer hardened to a surface hardening depth. A rolling bearing raceway may be formed in a region of the hardened outer layer. The method may further involve hard rolling the rolling bearing raceway with a roll. The diameter of the roll is 8 to 25 times the surface hardening depth. A surface pressure prevailing in a rolling contact between the roll and the rolling bearing raceway during the hard rolling is between 2000 MPa and 3300 MPa. The method further involves machining the rolling bearing raceway after the hard rolling.

Method for increasing the load-bearing capacity, and rolling device for hard rolling a surface-hardened rolling-bearing raceway

A rotor bearing having a rolling bearing raceway in an unhardened core region of a rolling bearing ring element that further includes an outer layer hardened to a surface hardening depth wherein the rolling bearing raceway is formed by a roll, wherein a diameter of the roll is 8 to 25 times the surface hardening depth.

Verfahren zur erhöhung der tragfähigkeit und walzvorrichtung zum hartwalzen einer randschichtgehärteten wälzlagerlaufbahn

Fremgangsmåde til at øge bæreevnen og rulleindretning til hård rulning af en overfladehærdet rullelejebane

Method for increasing the load-bearing capacity, and rolling device for hard rolling a surface-hardened rolling-bearing raceway

A rotor bearing having a rolling bearing raceway in an unhardened core region of a rolling bearing ring element that further includes an outer layer hardened to a surface hardening depth wherein the rolling bearing raceway is formed by a roll, wherein a diameter of the roll is 8 to 25 times the surface hardening depth.