The invention relates to a device (1) for fastening a rotor blade (140) to a hub body (13) of a wind turbine (100), said device comprising a blade-side extender bearing unit (2) having a first bearing ring (3) with a first bolt circle (4) for fastening to the hub body (13), and a second bearing ring (5) for fastening to the rotor blade (140), the second bearing ring (5) being arranged coaxially to the first bearing ring (3) so as to be rotatable about the common bearing axis (A), the first bearing ring (3) being integrally formed with a rotor hub extension (9) which extends on the hub side in the direction of the bearing axis (A) beyond the second bearing ring (5), with the first bolt circle (4) being arranged in the hub-side end region (E) of said rotor hub extension, the device (1) also comprising a hub-side extender bearing unit (10) which is plate-shaped and has a second bolt circle (11), the first bolt circle (4) being aligned with the second bolt circle (11) for joint fastening to the hub body (13). The invention also relates to a multi-part hub assembly (150) which is held together by means of at least one fastening device (1) according to the invention.
The invention relates to a bearing unit (1) for attaching a rotor blade to a hub (150) of a wind turbine, the unit comprising: a first bearing ring (2) for attachment to the hub (150); a second bearing ring (4) for attachment to the rotor blade; at least one row of rolling bodies (7, 8); and an adjustment drive (9) for adjusting the angle of the two bearing rings (2, 4) relative to one another; wherein the first bearing ring (2) is formed in one piece with a rotor hub extension (10) which extends on the hub side in the axial direction (A) beyond the second bearing ring (4), wherein the adjustment drive (9) comprises at least one electric adjustment motor (11) and a shaft (12) which is driven by the adjustment motor (11) and has a drive pinion (13) which meshes with toothing (14) formed on the inside of the first bearing ring (2), wherein the adjustment motor (11) is arranged on the blade side on a reinforcing plate (15) mounted on the second bearing ring (4) and the shaft (12) extends through an eccentrically arranged recess (16) in the reinforcing plate (15). The invention also relates to a wind turbine having such a bearing unit.
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.
B21H 1/12 - Making articles shaped as bodies of revolution rings of restricted axial length rings for ball or roller bearings
C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
The invention relates to a rolling bearing comprising a first bearing ring, a second bearing ring arranged rotatably with respect to the first bearing ring, and at least one row of axially symmetrical rolling bodies (5) having at least one front end (7), wherein the rolling bodies (5) of the row of rolling bodies for transmitting forces along a load direction (L) are arranged to be able to roll between the bearing rings and are received by a cage, spaced apart from one another in cage pockets, wherein, on the front end (7) of a rolling body (5) designed as a measuring roller (6), a generator pole shoe (11) is arranged which carries a plurality of coils (12) arranged on an orbit (K) coaxial to the rolling body axis (A) and interacts with a magnet holder (13) which is secured opposite in the associated cage pocket and which carries a plurality of magnets (14), wherein the magnets (14) are strip-shaped, wherein the strip-shaped magnets (14) extend in the load direction (L) and cover sections of the orbit (K).
The present invention relates to a large rolling bearing having a first and a second bearing ring and a gap seal. The gap seal has a total of four sealing lips. The aim of the present invention is to provide a large rolling bearing having improved sealing. To achieve this aim, the gap seal (4) has a fourth sealing lip (14) disposed in the gap (3), the fourth sealing lip extending into the gap (3) and being supported on a fourth sealing face (15), the fourth sealing face (15) being formed on a portion of the second bearing ring (2) which delimits the gap (3) in the radial direction, and the fourth sealing face (15) being located behind the third sealing face (13), as seen from the outside (A) of the large rolling bearing.
F16J 15/3236 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
The invention relates to a roller bearing assembly comprising an outer ring (1) and an inner ring (2) for mounting a rotor of a wind turbine. The inner ring (2) has a first axial end side (20) facing a rotor hub of the wind turbine and a second axial end side (21) opposite the first axial end side (20) and facing a generator of the wind turbine. The inner ring (2) can be connected to the rotor hub of the wind turbine on the first axial end side (20) via a screw connection (30) and is arranged without additional support from a connection construction of the wind turbine. According to the invention, in order to prevent unfavourable load distributions and overloading in the rolling element rows and the raceways and to ensure the required lifespan of the raceways and the rolling elements, the inner ring (2) has at least one rotor-hub-side first sub-ring (40) and a generator-side second sub-ring (41), wherein the axial extension of a half of the inner ring (2) facing the generator is greater than the axial extension of a half of the inner ring (2) facing the rotor hub, wherein the axial extension of the half of the inner ring (2) facing the generator is measured in the direction of the generator such that, with the loading occurring during operation of the bearing assembly, the entire inner ring (2) has sufficient deformation resistance that a maximum permissible surface pressure is maintained between the rolling elements (8, 10) and the raceways (7, 9, 11, 13) and a required raceway service life is achieved.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
A Wind turbine (100) with a rotor bearing (1) is proposed, wherein drainage chambers (7) on both sides of the rotor bearing (1) are connected to each other via a plurality of channels (5) traversing an outer ring (2) of the rotor bearing (1), which are distributed over the circumference of the outer ring (2) and that an axis (A) of the rotor bearing (1) is arranged at an angle in the range of 2° to 10° to the horizontal line (H) for promoting a flow of leakage oil through the channels (5).
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 21/00 - Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16C 33/66 - Special parts or details in view of lubrication
The invention relates to a main bearing assembly for supporting a rotatable rotor (1) of a wind turbine. The rotor (1) is rotatably supported relative to a connection structure via at least one rolling bearing (2), and the rolling bearing (2) has an outer ring (3) which is connected to an annular receiving area (A) of the connection structure over the radial outer circumferential surface (4) of the outer ring via a press fit, said outer ring (3) having at least one first form-fitting element (7) on at least one axial end face (6). A mating element (8) which is rotationally fixed to the connection structure is provided, having at least one second form-fitting element (9), and a form-fitting connection (10) is formed between the first (7) and second form-fitting element (9), said form-fitting connection acting in the circumferential direction of the outer ring (3). The aim of the invention is to provide a main bearing assembly with which damage produced by the ring walls of the rolling bearing outer ring arranged in an annular receiving area of the connection structure by means of a press fit is prevented and which can be used in a flexible manner. According to the invention, this is achieved in that the at least one first form-fitting element (7) is designed in the form of a protrusion (15) which projects in the axial direction with respect to the end face (6) of the outer ring (3), and the at least one second form-fitting element (9) is designed in the form of a recess (16) which is set back in the axial direction with respect to the end face (14) of the component (11) or the flange (12); or the at least one first form-fitting element (7) is designed in the form of a recess (17) which is set back in the axial direction with respect to the end face (6) of the outer ring (3), and the at least one second form-fitting element (9) is designed in the form of a protrusion (18) which protrudes in the axial direction with respect to the end face (14) of the component (11) or the flange (12), wherein the protrusion (15; 18) engages into the recess (16; 17), thereby forming the form-fitting connection (10) which acts in the circumferential direction.
The invention relates to a main bearing assembly for supporting a rotatable rotor (1) of a wind turbine. The rotor (1) is rotatably supported relative to a connection structure via at least one rolling bearing (2), and the rolling bearing (2) has an inner ring (3) which is connected to a lateral surface (5) of the rotor (1) over the radial inner circumferential surface (4) of the inner ring, said inner ring (3) having at least one first form-fitting element (7) on at least one axial surface (6). A mating element (8) which is rotationally fixed to the rotor (1) is provided, having an axial surface (14), which faces the axial surface (6) of the inner ring (3), and at least one second form-fitting element (9), and a form-fitting connection (10) is formed between the first (7) and second form-fitting element (9), said form-fitting connection acting in the circumferential direction of the inner ring (3). The aim of the invention is to provide a main bearing assembly for rotatably supporting a rotor of a wind turbine, said main bearing assembly being used to prevent damage produced by the ring walls of the rolling bearing inner ring arranged on the rotor by means of a press fit and achieve a long service life. According to the invention, this is achieved in that the inner ring (3) is connected to a lateral surface (5) of the rotor (1) over the radial inner circumferential surface (4) of the inner ring by means of a press fit, wherein the at least one first form-fitting element (7) is arranged on an inner ring (3) axial end face (6) which has a long extension in the radial direction, and the at least one first form-fitting element (7) and the at least one second form-fitting element (9) have a long extension in the radial direction.
F16C 35/073 - Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
F16C 19/52 - Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
F16C 19/36 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
10.
ROTOR BEARING UNIT FOR A WIND TURBINE AND METHOD FOR SETTING THE PRELOAD IN A ROTOR BEARING UNIT
The invention relates to a rotor bearing unit (1) for a wind turbine, comprising: a sleeve-like inner connection structure (2) which extends along a central axis (A); a sleeve-like outer connection structure (3) which is coaxial with the inner connection structure (2); and two mutually axially spaced tapered roller bearings (4, 5) which each have at least one inner bearing ring (6, 7') fastened to the inner connection structure (2) and at least one outer bearing ring (8', 9') fastened to the outer connection structure (3); wherein at least one radially extending fastening flange (10, 11, 12, 13) having an axial fastening surface (14) is formed on the inner connection structure (2) and/or the outer connection structure (3), and wherein the fastening flange (10, 11, 12, 13) is assigned one of the bearing rings (6, 7', 8', 9'), which has a first hole circle (16) by means of which the bearing ring (6, 7', 8', 9') assigned to the fastening flange (10, 11, 12, 13) is screwed to the axial fastening surface (14) of the fastening flange (10, 11, 12, 13) in such a way that an axial preload is applied to the rotor bearing unit (1). The invention also relates to a method for setting the axial preload in a rotor bearing unit of this type.
F16C 19/36 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
A rolling bearing may have at least two bearing rings arranged rotatably relative to each other, at least one row of rolling elements arranged such that they can roll between the bearing rings, and a position-determining device for determining an absolute angular position of the bearing rings relative to each other. The position-determining device includes field patterns that are arranged on a surface of a first of the bearing rings and distributed around a circumference thereof, with fields of the field patterns having field heights with discrete values. The position-determining device also includes at least one eddy current sensor that is provided on a second of the bearing rings to scan the field patterns. An evaluation device may be configured to assign an associated angular position signal, which describes the absolute angular position of the first and second bearing rings relative to each other, to a scan of each field pattern.
G01P 3/44 - Devices characterised by the use of electric or magnetic means for measuring angular speed
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
G01D 11/02 - Bearings or suspensions for moving parts
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
12.
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.
B21H 1/12 - Making articles shaped as bodies of revolution rings of restricted axial length rings for ball or roller bearings
C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
The invention relates to a rolling body (1) for use in a rolling bearing having a centre axis (A), an outer shell (2) rotationally symmetrical with the centre axis (A), two end faces (3, 4) and a bore (5) which connects the two end faces (3, 4) and extends along the centre axis (A) and in which a printed circuit board (6) having a measuring device (7) for measuring a deformation of the bore (5) is accommodated. The printed circuit board (6) is supported by at least one support element (10, 11) which is fastened on a first side (8) of the printed circuit board (6) and is in contact with the bore wall (14), and on an opposing second side (9) of the printed circuit board (6) at least one measuring element (12, 10, 13) is provided, which is likewise in contact with the bore wall (14) and produces a measuring gap (15) between the measuring element (12, 13) and the printed circuit board (6), the height of said gap being a measure of the deformation of the bore (5). The circuit board (6) with the measuring device (7), the at least one support element (10, 11) and the at least one measuring element (12, 13) are accommodated by a rigid housing (16) provided in the bore (5), the at least one support element (10, 11) and the at least one measuring element (12, 13) being in contact with the bore wall (14) through openings in the housing (16), and the circuit board (6) being mounted so that it is floating in the housing (16).
The invention relates to a method for producing ring segments (1) for a segmented rolling bearing ring (2) comprising at least one hardened rolling bearing raceway, the method comprising the following steps: a) producing ring segments (1) from rolling bearing steel, which ring segments have a radius of curvature (r) and at least one non-hardened raceway portion each, b) inductively surface-hardening at least the non-hardened raceway portions in order to produce hardened raceway portions (4), c) straightening the ring segments (1) to adjust the radius of curvature (r) to a target radius of the segmented rolling bearing ring (2), and d) machining the ring segments (1) to specified final dimensions. The invention also relates to a ring segment, produced according to this method, for a segmented rolling bearing ring having at least one inductively surface-hardened rolling bearing raceway.
F16C 17/12 - Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
F16C 19/24 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
F16C 19/30 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
F16C 19/34 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
The invention relates to a rotor bearing for a wind turbine (100) having an inner ring (2) and an outer ring (3) which are rotatable relative to one another and delimit a bearing interior (4), in which there is at least one row of rolling elements (5) which can be rolled between the bearing rings, and having an outflow (6) for discharging lubricating oil coming out of the bearing interior (4), the bearing interior (4) being designed so as to be open toward the outflow (6) such that lubricating oil can be discharged from the bearing interior (4) via the outflow (6) in a non-pressurised manner. The invention further relates to a wind turbine having a rotor bearing (1) of this kind.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 33/66 - Special parts or details in view of lubrication
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
A Wind turbine (100) with a rotor bearing (1) is proposed, wherein drainage chambers (7) on both sides of the rotor bearing (1) are connected to each other via a plurality of channels (5) traversing an outer ring (2) of the rotor bearing (1), which are distributed over the circumference of the outer ring (2) and that an axis (A) of the rotor bearing (1) is arranged at an angle in the range of 2° to 10° to the horizontal line (H) for promoting a flow of leakage oil through the channels (5).
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
37 - Construction and mining; installation and repair services
Goods & Services
Rings of metal (unworked/worked); seamlessly rolled rings of
metal (unworked/worked). Anti-friction bearings, live rings, wire rod bearings;
revolving joints, ball bearing slewing rims, roller bearing
slewing rings; sprockets; steering rings; ring-shaped parts
for machines, made of metal; separators for roller bearings,
separators for live rings; all the aforesaid goods being
parts of machines. Installation, maintenance and repair in connection with
metal rings, revolving joints, ball bearing slewing rims,
roller bearing slewing rings, roller bearings, live rings,
wire rod bearings, sprockets, steering rings.
18.
SPACER ELEMENTS AND LARGE ROLLING BEARING COMPRISING SUCH SPACER ELEMENTS
The invention relates to a spacer element for spacing two balls of a row of balls in a slewing bearing, comprising ball receiving areas (5) which are adapted to the shape of the balls on both sides, point in opposite directions, and are arranged at a distance from each other, wherein the ball receiving areas (5) are equipped with vanes (6) which are distributed over the circumference when viewed from the end face and protrude in a star-shaped manner, said vanes comprising a vane inner face (7), which is adapted to the shape of the balls and which further develops the ball receiving areas (5), and a vane casing (8) pointing away from the ball receiving area (5). The invention also relates to a ball bearing, the balls of which are mutually spaced by such spacers.
The invention relates to a rolling bearing (1) having at least two bearing rings (2, 3) arranged rotatably relative to each other, at least one row of rolling elements (4) arranged such that they can roll between the bearing rings (2, 3), and a position-determining device (5) for determining an absolute angular position of the bearing rings (2, 3) relative to each other. The position-determining device (5) comprises field patterns (6) which are arranged on a surface (19) of a first (2) of the bearing rings (2, 3) and distributed around the circumference thereof, the fields (10, 11) of which have field heights of discrete values. The position-determining device (5) also comprises at least one eddy current sensor (7, 8) which is provided on a second (3) of the bearing rings (2, 3) in order to scan the field patterns (6), and an evaluation device (9) configured to assign an associated angular position signal, which describes the absolute angular position of the first and second bearing rings (2, 3) relative to each other, to the scanning of each of the field patterns (6).
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
G01D 11/02 - Bearings or suspensions for moving parts
20.
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.
The invention relates to a method for increasing the load-bearing capacity of a surface-hardened rolling-bearing raceway of a rolling-bearing ring element, comprising - providing a rolling-bearing ring element which has an unhardened core region (K) and, at least in certain portions, a surface layer (Ra) hardened to a surface-hardening depth (Rht), wherein a rolling-bearing raceway is formed in the region of the hardened surface layer (Ra), - hard rolling the rolling-bearing raceway using a roller, wherein the diameter of the roller is chosen in the range of 8 to 25 times the surface-hardening depth (Rht), - a level of surface pressing that prevails in the rolling contact between the roller and the rolling-bearing raceway during the hard rolling process is set in the range between 2000 MPa and 3300 MPa and - after being hard rolled, the rolling-bearing raceway is machined, and the invention also relates to a rolling device for hard rolling a surface-hardened rolling-bearing raceway of a rolling-bearing ring element.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
37 - Construction and mining; installation and repair services
Goods & Services
Rings of metal (unworked/worked); seamlessly rolled rings of
metal (unworked/worked). Anti-friction bearings, live rings, wire rod bearings;
revolving joints, ball bearing slewing rims, roller bearing
slewing rings; sprockets; steering rings; ring-shaped parts
for machines, made of metal; separators for roller bearings,
separators for live rings; all the aforesaid goods being
parts of machines. Installation, maintenance and repair in connection with
metal rings, revolving joints, ball bearing slewing rims,
roller bearing slewing rings, roller bearings, live rings,
wire rod bearings, sprockets, steering rings.
23.
ROTOR BEARING FOR A WIND TURBINE, AND WIND TURBINE
The invention relates to a rotor bearing (1) for a wind turbine, having an inner ring (2) and an outer ring (3), which is rotatable in relation to the inner ring (2), which rings delimit a bearing interior (4), in which at least one row (5) of rolling elements, which can roll between the bearing rings, is arranged, and having seal assemblies (6) for sealing one side of the bearing interior (4) each, wherein at least one of the seal assemblies (6) has a first seal (7), which is connected to the inner ring (2) for conjoint rotation, and a seal wear ring (8) which is connected to the outer ring (3) for conjoint rotation and on which a first seal wear surface (9) for the first seal (7) is formed, wherein a ring attachment (10) is fastened to the inner ring (2) and encloses the seal wear ring (8) in the radial direction (R), and a second seal (11), acting between the seal wear ring (8) and the ring attachment (10), is provided, which second seal delimits an annular space (14) formed between a radial outer surface (12) of the seal wear ring (8) and a radial inner surface (13) of the ring attachment; the invention also relates to a wind turbine having such a rotor bearing (1).
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
The invention relates to a roller bearing rotary connection comprising a bottom (2) and a top connecting structure (3), between which a first roller bearing (4) and a second roller bearing (5) are concentrically arranged relative to each other, which each have at least two roller bearing rings (6, 7, 8; 9, 10, 11) and at least one row (12, 13, 14) of roller bodies which can roll between the roller bearing rings (6, 7, 8; 9, 10, 11) on roller body raceways (15, 16), wherein the roller bearing rings (6, 7, 8; 9, 10, 11) are each associated with one of the connecting structures (2, 3) and are detachably fastenable thereto, wherein at least one of the roller bearing rings (7) of the first roller bearing (4) is mounted on the associated connecting structure (3) by a plurality of first wedge elements (17), arranged distributed in the circumferential direction, which wedge elements interact with wedge surfaces (18) arranged in opposite directions on the roller bearing ring (7) and/or the connecting structure (3) and are movable in the radial direction (R) in order to redistribute a load acting axially on the roller bearing rotary connection (1) between the first (4) and the second roller bearing (5), and to an offshore oil transfer station having a rotatably mounted anchoring cylinder.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/50 - Other types of ball or roller bearings
F16C 19/52 - Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
F16C 35/06 - Mounting of ball or roller bearingsFixing them onto shaft or in housing
F16C 35/077 - Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
F16C 39/02 - Relieving load on bearings using mechanical means
F16C 35/078 - Mounting of ball or roller bearingsFixing them onto shaft or in housing using pressure fluid as mounting aid
The invention relates to a rolling bearing rotary connection comprising a lower (2) and an upper connecting structure (3), between which a first rolling bearing (4) and a second rolling bearing (5) are arranged concentrically to one another, which each have at least two rolling bearing rings (6, 7, 8; 9, 10, 11) and at least one series (12, 13, 14) of rolling bodies which can roll on rolling bearing tracks (15, 16) between the rolling bearing rings (6, 7, 8; 9, 10, 11), the rolling bearing rings (6, 7, 8; 9, 10, 11) each being assigned to one of the connecting structures (2, 3) and being able to be releasably fastened thereon, the upper connecting structure (3) having a support surface (17) for supporting on an upper fastening surface (19) of the first rolling bearing (4) and a retaining surface (18) for interacting with a lower fastening surface (20) of the second rolling bearing (5) and engaging around the two rolling bearings (4, 5) in such a way that the retaining surface (18), in the supported state of the upper connecting structure (3), is opposite the lower fastening surface (20) of the second rolling bearing (5). The invention further relates to an offshore oil transfer station with a rotationally mounted anchoring cylinder.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
F16C 19/56 - Systems consisting of a plurality of bearings with rolling friction in which the rolling bodies of one bearing differ in diameter from those of another
B63B 21/50 - Anchoring arrangements for special vessels, e.g. for floating drilling platforms or dredgers
F16C 27/08 - Elastic or yielding bearings or bearing supports, for exclusively rotary movement primarily for axial load, e.g. for vertically-arranged shafts
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
37 - Construction and mining; installation and repair services
Goods & Services
Rings of metal (unworked/worked); Seamlessly rolled rings of metal (unworked/worked). Anti-friction bearings, Live rings, wire rod bearings; Revolving joints, ball bearing slewing rims, roller bearing slewing rings; Sprockets; Steering rings; Ring-shaped parts for machines, made of metal; Separators for roller bearings, separators for live rings; All the aforesaid goods being parts of machines. Installation, maintenance and repair in connection with metal rings, revolving joints, ball bearing slewing rims, roller bearing slewing rings, roller bearings, live rings, wire rod bearings, sprockets, steering rings.
27.
METHOD AND DEVICE FOR THE INDUCTIVE INSPECTION OF METAL WORKPIECES TO DETECT ANOMALIES CLOSE TO THE SURFACE
The invention relates to a method for the inductive inspection of metal workpieces (1) to detect anomalies (2), more particularly cracks, close to the surface, said method comprising the following steps: • - scanning a surface (3) of the workpiece (1) along a path (4) to be inspected using a measuring head (5) on which at least one eddy-current probe is arranged, • - recording raw signal data from the at least one eddy-current probe during scanning of the workpiece surface (3), • - determining position data, which can be linked to the raw signal data, on the basis of measurement data recorded during the scanning step from a position sensor and/or speed sensor, and/or on the basis of the raw signal data, • - generating a location-dependent measurement signal by linking the position data to the raw signal data, the measurement signal being a function of at least one position space coordinate in the direction of the path to be inspected, and • - calculating a filtered measurement signal by applying a spatial frequency-based filter to the measurement signal. The invention also relates to a device for carrying out the method.
G01N 27/90 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
The present invention relates to a method for producing a circumferential seal running surface (1) on a bearing ring of a large rolling bearing, wherein the seal running surface (1) is machined by turning in a first work step and the turned surface is subsequently given a specified surface roughness by grinding by means of an abrasive disk (2). According to the invention, in order to provide a production method for a circumferential seal running surface on a bearing ring of a large rolling bearing, which production method leads to large rolling bearings with improved sealing tightness, the abrasive disk performs an oscillating motion relative to the seal running surface (1) during the grinding, the oscillating motion covering the entire axial width of the seal running surface (1), and the oscillating motion of the abrasive disk (2) being carried out in such a way that a surface structure formed in the seal running surface (1) by the turning, by means of which surface structure escape of lubricant from the interior of the bearing is facilitated during the rotation of the bearing, is at least neutralized.
B24B 19/06 - Single purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
A bearing arrangement may be employed in a rotor shaft of a wind turbine. The rotor shaft may transfer rotation of a hub with rotor blades to a generator. The bearing arrangement may include a hub-side rolling bearing and a generator-side rolling bearing. The hub-side rolling bearing may be configured as a radial roller bearing. The generator-side rolling bearing may be configured as a three-row roller rotary connection. The hub-side rolling bearing may include a closed cage with windows for guiding rolling elements. Rows of the closed cage may be separated by a central web. Further, at least one of the generator-side rolling bearing or the hub-side rolling bearing may comprise inductively hardened raceways.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/28 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with two or more rows of rollers
The invention relates to a rolling bearing arrangement (1), in particular for a wind turbine, comprising an outer ring (2) and an inner ring (3) that is at least partially mounted inside the outer ring (2). The outer ring (2) and the inner ring (3) are rotatable relative to one another about an axis of rotation (4). A first roller bearing (5) having first rolling elements (6), a second roller bearing (7) having second rolling elements (8), and a third roller bearing (9) having third rolling elements (10) are arranged between the outer ring (2) and the inner ring (3). The first roller bearing (5) and the second roller bearing (7) are in the form of thrust bearings, and the third roller bearing (9) is in the form of a radial bearing. The invention is characterized in that in the unloaded state of the rolling bearing arrangement (1), the first rolling elements (6) have a first logarithmic roller profile, and the second rolling elements (8) have a second logarithmic roller profile that differs from the first logarithmic roller profile. The invention also relates to a roller bearing arrangement comprising two roller bearings (5, 7) in the form of thrust bearings and two roller bearings (9, 11) in the form of radial bearings, the two roller bearings (9, 11) in the form of radial bearings having different logarithmic profiles. The invention further relates to a wind turbine comprising the rolling bearing arrangement (1).
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
R.S. SCHWARZE ELEKTROTECHNIK MODERNE INDUSTRIEELEKTRONIK GMBH (Germany)
Inventor
Elfert, Gunther
Lüneburg, Bernd
Rollmann, Jörg
Reimann, Manfred
Abstract
The invention proposes a rolling element (1) for use in a rolling-element bearing (100), comprising an outer shell (2) and a bore (3), the bore (3) being preferably provided along a centre axis of the rolling element (1), the rolling element (1) comprising at least one sensor (5) for load measurement, which is arranged in the bore (3), and a transfer module for transferring the data measured by the sensor (5), the rolling element having an energy source, the energy source being provided for providing the energy required for the operation of the sensor (5) and/or of the transfer module, characterised in that the sensor (5) is a sensor that performs inductive measurement. The invention further proposes a rolling-element bearing and a method for load measurement.
R.S. SCHWARZE ELEKTROTECHNIK MODERNE INDUSTRIEELEKTRONIK GMBH (Germany)
Inventor
Elfert, Gunther
Lüneburg, Bernd
Rollmann, Jörg
Reimann, Manfred
Abstract
The invention relates to a rolling element (1), for use in a rolling bearing (100), having an outer casing (2), a first end face (4), a second end face (5) and a bore (3), wherein the bore (3) is provided along a centre axis of the rolling element (1), the rolling element (1) having a PCB (8) arranged substantially parallel to the centre axis of the rolling element (1) in the bore (3), the bore (3) being sealed on the first end face (4) by a closure (10), characterized in that the PCB (8) is fixed in place by the closure (10). The invention furthermore relates to a rolling bearing (100) and a method for producing a rolling element (1).
The invention relates to a blade bearing system for a wind turbine, comprising a component and a blade bearing, wherein the blade bearing has a through-bore, and the component and the blade bearing are connected using a connection means. The invention is characterized in that the through-bore comprises a first region, said first region having a first diameter, and the through-bore has a second region, which has a second diameter, the first diameter and the second diameter being different. The through-bore has a thread in the first region, and the connection means has a counter-thread, said thread and counter-thread engaging into each other.
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 23/08 - Ball or roller bearings self-adjusting
The invention relates to a method for producing rolling bearing cages for rolling bearings, in particular for producing large rolling bearing cages for large rolling bearings, a main body being produced in a first step, and the main body being provided with at least one sliding face in a second step, characterised in that the at least one sliding face is produced by hardfacing an additional welding material onto the main body. The invention also relates to a rolling bearing cage for a rolling bearing, in particular a large rolling bearing cage for a large rolling bearing, the rolling bearing cage comprising a main body, and the main body having at least one sliding face, characterised in that the at least one sliding face is a sliding face which is hardfaced onto the main body with an additional welding material.
B23K 9/04 - Welding for other purposes than joining, e.g. built-up welding
B23K 26/34 - Laser welding for purposes other than joining
35.
ROLLING ELEMENT HAVING AN ASYMMETRICAL ROLLER PROFILE, ROLLING ELEMENT BEARING, WIND TURBINE AND METHOD FOR GEOMETRICALLY DIMENSIONING ROLLING ELEMENTS
F16C 19/26 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
09 - Scientific and electric apparatus and instruments
Goods & Services
Controllers for ball bearings, roller bearings, large roller bearings and special-purpose bearings. Measuring, detecting and monitoring instruments; Displays for ball bearings, roller bearings, large roller bearings and special-purpose bearings.
09 - Scientific and electric apparatus and instruments
Goods & Services
Displays and controllers for ball bearings, roller bearings, large roller bearings and special-purpose bearings. Measuring, detecting and monitoring instruments.
Tooth rims of metal in the nature of gears, drives and powertrains, turntables, being parts for machines, motors and engines; ring-shaped machinery components of metal, namely, roller bearings, large-diameter roller bearings, slewing bearings, wire ball bearings, wire roller bearings, axial ball bearings, axial roller bearings, crossed roller bearings, radial roller bearings, profile bearings, wire-race bearings; rotating connections in the nature of connecting rods, turntables, being parts for machines, motors and engines; ball rotating connections in the nature of connecting rods, slewing bearings, being parts for machines, motors and engines; roller rotating connections in the nature of connecting rods, slewing bearings, being parts for machines, motors and engines
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
37 - Construction and mining; installation and repair services
Goods & Services
Rings of metal (unworked/worked); Seamlessly rolled rings of metal (unworked/worked). Anti-friction bearings, Live rings, wire rod bearings; Revolving joints, ball bearing slewing rims, roller bearing slewing rings; Sprockets; Steering rings; Ring-shaped parts for machines, made of metal; Separators for roller bearings, separators for live rings; All the aforesaid goods being parts of machines. Installation, maintenance and repair in connection with metal rings, revolving joints, ball bearing slewing rims, roller bearing slewing rings, roller bearings, live rings, wire rod bearings, sprockets, steering rings.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
Goods & Services
Metallic rings (raw material/processed), seamless rolled
rings out of metal (raw material/processed). Anti-friction bearings, large-diameter anti-friction
bearings; slewing rings, ball bearing slewing rings, roller
bearing slewing rings as parts of machines; ring gears of
metal, ring-shaped machinery components of metal, rope
pulleys, all the aforesaid products as parts of machines.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
Goods & Services
Rings of metal (unworked/worked), seamlessly rolled rings of metal (unworked/worked). Sprockets of metal, ring-shaped machine components of metal, roller bearings, large roller bearings, slewing rings, ball bearing slewing rings, roller bearing slewing rings, rope pulleys, rope pulley packages being parts of machines.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
Goods & Services
Metallic rings (raw material/processed), seamless rolled
rings out of metal (raw material/processed). Antifriction bearings, large-diameter antifriction bearings;
slewing rings, ball bearing slewing rings, roller bearing
slewing rings as parts of machines; ring gears out of metal,
ring-shaped machinery components out of metal.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
Goods & Services
Pièces de forge en forme libre et pièces de forge pour
l'estampage, en acier et en métal léger, anneaux en acier et
en métal léger. Cercles de pivotement à billes.