105results about "Roller bearings" patented technology

This invention relates to a support assembly and a wind power facility. The support assembly has a housing (40) and at least one bearing (18, 38). The bearing (18, 38) is secured in the housing (40) by an outer ring (52) and secured to a rotor shaft (16) by an inner ring (50). The support assembly is configured to adjust the axial force acting on the outer ring (52) to preload the bearing (18, 38).

The utility model relates to a kind of light and thin cross roller bearings, including inner ring, outer ring that rotates on the inner ring, ball that is set between the outer ring and the inner ring, sealing sealing ring of sealing;The inner side wall of the outer ring is equipped with gear ring;The gear ring is connected with output end;The ball is rotated between the inner ring and the outer ring;The sealing ring is set between the inner ring and the outer ring.Solve the bearing function relatively single, lack integrated design, cannot simultaneously realize motion support, force transmission, sensing monitoring etc. in compact space, so that joint internal structure is complex, wiring is tedious, further exacerbate the problem of space shortage.

The application provides a wheel-side reduction device, which comprises an axle housing assembly with an assembling space, a mounting wheel assembly with a mounting space, a bearing assembly arranged in the mounting space, a driving assembly, a rolling body assembly and a bearing assembly, part of the bearing assembly is located between the axle housing assembly and the mounting wheel assembly; part of the driving assembly is mounted in the assembling space, and another part of the driving assembly is mounted in the mounting space; the driving assembly is in transmission connection with the mounting wheel assembly and the bearing assembly, and drives the mounting wheel assembly and the bearing assembly to rotate in opposite directions at the same time; the rolling body assembly is arranged between the mounting wheel assembly and the bearing assembly; and the bearing assembly is arranged between the bearing assembly and the axle housing assembly. The wheel-side reduction device solves the problems of large wear and short service life of the existing wheel-side reduction device caused by the transmission parts needing to bear the weight.

The utility model discloses a cylindrical roller bearing for planetary wheel of wind power speed increasing box, including outer ring, inner race and the rolling body of activity setting between outer ring and inner race, the outer circumferential wall of inner race is provided with two raceways for the rolling body rolling and is opened in ring, two the raceway is symmetric distribution and is divided into axial inside raceway and axial outside raceway, the radial play value of axial inside raceway is less than the radial play value setting of axial outside raceway. The utility model solves the problem of uneven stress of inner and outer raceways of the cylindrical roller bearing for planetary wheel of the existing wind power speed increasing box, easy eccentric load wear and tear and inside raceway premature failure when working.

A belt retainer roller has a plurality of rollers and a retainer (2) that retains the rollers. The retainer (2) includes a pair of annular members (4) facing both axial ends of each roller, and a plurality of column portions (5) that are disposed at equal intervals in the circumferential direction across the outer diameter portions of the pair of annular members (4) for the rollers to be fitted into. An inner diameter portion of each annular member (4) is provided with a roller retaining claw (6) for preventing the rollers from falling toward the inner diameter side of the retainer. A retainer radial chamfer length (B) and a retainer wall thickness (A) satisfy the following relationship: 0 < B / A ≤ 1.6.

A toolkit for mounting a bearing onto a seating includes an adapter sleeve radially interposable between the inner ring and the seating and having a tapered portion configured to mate with a tapered bore of the inner ring and a threaded portion configured to extend away from the bearing, a hydraulic nut having a threaded bore and an axially moveable piston, a hydraulic pump configured to increase a hydraulic pressure inside the hydraulic nut, a driving tube configured to be interposed axially between the side face of the inner ring of the bearing and the piston, and a reaction sleeve configured to be interposed between the hydraulic nut and the adapter sleeve and including a first threaded portion configured to engage the threaded portion of the adapter sleeve and a second threaded portion configured to engage the threaded bore of the hydraulic nut. Also a method of using the toolkit.

A hub seal (1) includes a seal main body (3) and a slinger (4). The slinger (4) includes a flange portion (31) and a tubular portion (32). An outer tubular surface (3a) is formed in the seal main body (3). A labyrinth lip (40) extends toward the tubular portion (32) of the slinger (4) on an outer periphery side relative to a side lip (21). The tubular portion (32) of the slinger (4) has a weir portion (33). The outer tubular surface (3a) forms a first gap (S1) and a second gap (S2) between the outer tubular surface (3a) and the tubular portion (32). The weir portion (33) forms a third gap (S3) between the weir portion (33) and a portion of an elastic body portion (20). The labyrinth lip (40) forms a fourth gap (S4) between the labyrinth lip (40) and the tubular portion (32). A space (S5) between the tubular portion (32) and the side lip (21) communicates with an outer side of the second gap (S2) via the fourth gap (S4), the third gap (S3), the first gap (S1), and the second gap (S2).

A radial thrust bearing includes radial rolling elements, a radial cage, thrust rolling elements, a thrust cage, an outer ring, and an inner ring. The outer ring has a through hole that reaches a raceway region of the radial rolling elements from outside. The radial cage includes a pair of annular portions disposed at an interval in an axial direction, and pillar portions coupled to the pair of annular portions and disposed at an interval in a circumferential direction to form pockets that house the radial rolling elements. Radially outer surfaces of the pillar portions include grooves each extending in the axial direction and recessed radially inward. Each of the grooves has an opening at least one axial end of a corresponding one of the pillar portions.

This utility model discloses a double-arc-supported bearing structure, including an inner ring, an outer ring, and a roller structure. The roller structure is mounted on the surface of the inner ring, and the outer ring is fitted onto the surface of the roller structure. A groove is formed on the inner wall of the outer ring, and an externally threaded rod is welded inside the groove. A retaining ring is provided inside the groove, and a hole is formed inside the retaining ring. A cavity is formed at the top of the hole, and the cavity is located inside the retaining ring. This double-arc-supported bearing structure, by mounting the roller structure on the surface of the inner ring and fitting the outer ring onto the roller structure, and simultaneously creating a groove on the inner wall of the outer ring with an externally threaded rod welded inside the groove, allows for the installation and fixation of the bearing. For disassembly, the nut can be removed, followed by the removal of the retaining ring, and then the inner ring and roller structure can be disassembled, allowing for subsequent replacement of the roller and reducing costs during use.

The invention relates to a bearing arrangement for a rotor shaft (16) of a wind turbine (10). The bearing arrangement comprises a housing (40) and at least one bearing (18, 38). The bearing (18, 38) is attached to the housing (40) by an outer ring (52) and to the rotor shaft (16) by an inner ring (50). The bearing arrangement is designed to apply an axial force to the outer ring (52) in order to preload the bearing (18, 38). The invention also relates to a wind turbine (10).

This utility model discloses an anti-slip double-row tapered roller bearing, comprising an outer ring and an inner ring. The outer ring has an internal groove, and a hard alloy layer is laid on the inner surface of the internal groove. A transition layer is laid on the outer surface of the hard alloy layer, and a soft magnetic alloy layer is laid on the outward side of the internal groove. A permanent magnet array is laid on the outer surface of the inner ring, and a cage is laid on the permanent magnet array. A cage pocket is formed on the outer surface of the cage, and a groove is formed inside the cage pocket. This device uses magnetic attraction technology to reinforce the rollers, ensuring that the rollers are tightly fitted with the raceway during high-speed operation, effectively preventing slippage and improving the stability and service life of the bearing.

A universal load device (100) comprises an adapter ring (10), a core ring (20) and an additional ring (30), the sum of the weights of which is utilized to build the load required for a rotating apparatus (2) in application. Wherein the adapter ring (10) is used for reliably connecting a core ring (20) to a rotary part (21) of a rotary device (2), and the core ring (20) is used for carrying an additional ring (30). The adaptive ring (10), the core ring (20) and the additional ring (30) form respective individual ring series, and the individual ring series of the three can be combined to form a series of loads required by different applications. The three individual ring series can achieve the purpose of one machine with multiple purposes through few groups, the universal load device can replace a traditional load device with one machine with one purpose, and therefore the universal load device has the advantages of cost performance and practical value. In addition, the universal load device is easy to use, not only flexible in assembly, but also large in adjustment freedom degree.

Roller (1) adapted to a conveyor belt comprising a hollow body (5), a shaft (2) housed at least partially in the hollow body (5), bearings (3) on which the shaft (2) is supported, and respective seats (4) for the corresponding bearing (3). the hollow body (5) is made of a plastic material and the roller (1) comprises bushings (7) that retain the hollow body (5) against the seats (4), preventing the hollow body (5) from opening radially due to deformation in the area in which it surrounds the seats (4).

A cage is for a bearing including an inner body, an outer body and a plurality of rolling elements disposed within an annular space between the bodies and rollable simultaneously upon an inner raceway surface and an outer raceway surface. The cage includes an annular body disposeable between the inner body and the outer body and having a centerline and first and second axial ends spaced apart along the centerline. The body includes a plurality of pockets spaced circumferentially about the centerline, each pocket being configured to retain a separate one of the plurality of rolling elements. The body also includes a plurality of axial passages, each one of the plurality of axial passages extending at least partially between one of the first and second axial ends of the annular body and one of the plurality of pockets and being configured to retain a quantity of grease.

The utility model discloses a mill roll bearing mechanism with dustproof structure relates to mill roll bearing field, including the outer ring, the inner wall movable joint of outer ring has the rolling body. The utility model discloses through setting up the outer ring, the silicone grease layer, the heat dissipation fin and the bolt, through the silicone grease layer of outer ring bonding, can closely fit in the surface of outer ring and heat dissipation fin, fills the tiny gap and uneven place between both, makes the contact between heat dissipation fin and outer ring more closely and evenly, passes through heat dissipation fin again, and heat dissipation fin can significantly increase the heat dissipation area, and the heat emission speed from outer ring to the surrounding air is accelerated, and the working temperature of bearing is effectively reduced, prevents the bearing performance decline, lubrication failure and other problems because of overheating, can also shield the rolling body place simultaneously, can effectively block the dust of outside and other foreign matters to enter the bearing inside, avoids these foreign matters to cause the abrasion of rolling body, thereby guarantees the normal operation and service life of rolling body.

To provide a tapered roller bearing that improves lubrication and prevents the cage from interfering with the surrounding structure of the bearing. [Solution] The tapered roller bearing comprises an inner ring 11, an outer ring 12, a plurality of tapered rollers 15 interposed between the inner ring 11 and the outer ring 12, and a cage 17 that holds the tapered rollers 15. The cage 17 is constructed by arranging a plurality of cage segments 20 in the circumferential direction A1, and has an inner ring assembly As in which the inner ring 11, the plurality of tapered rollers 15, and the cage 17 are integrated. Each of the plurality of cage segments 20 is detachably engaged and has a plurality of engaging members 32 arranged in the circumferential direction A1. The plurality of engaging members 32 mounted on each cage segment 20 and arranged in the circumferential direction are connected in an annular manner to assemble the inner ring assembly As.

The application discloses a novel rolling bearing, belonging to the technical field of mechanical transmission, which adopts a combined structure of an isolation shaft and a conversion sleeve ring to replace a traditional retainer mode, the isolation shaft is dumbbell-shaped, and spherical structures at two ends are embedded into grooves of an inner sleeve and an outer sleeve of the bearing; the conversion sleeve ring is sleeved on the middle part of the isolation shaft, is used for separating adjacent balls and maintaining a proper gap with the balls, can realize slipping or idling, and can significantly reduce friction loss; the structure makes the ball arrangement more dense and the number of balls increase, greatly improves the radial and axial carrying capacity of the bearing; in order to facilitate assembly, detachable movable gates are arranged in non-stress areas of the inner sleeve or the outer sleeve, are fixed or welded to be closed through screws after assembly is completed, and can be covered with a coating or an anti-fake mark at the movable gates; smaller balls can be further nested between the isolation shaft and the conversion sleeve ring, and the structure of the isolation shaft and the sleeve ring, so that sliding friction between the isolation shaft and the conversion sleeve ring is changed into rolling friction; the application has the advantages of simple structure, low cost, service life being more than 3 times of that of the same specification bearing, wide market prospect and great technical breakthrough significance.

A cage is provided for a bearing, the bearing including an inner body having an inner raceway surface, an outer body disposed about the inner body so as to define an annular space, the outer body having an outer raceway surface, and a plurality of rolling elements disposed within the annular space and rollable simultaneously upon the inner raceway surface and the outer raceway surface. The cage includes an annular body disposeable within the annular space between the inner body and the outer body, having a centerline and including a plurality of pockets spaced circumferentially about the centerline. Each pocket is configured to retain a separate one of the plurality of rolling elements. Further, a plurality of interior circumferential passages each extend circumferentially between a separate pair of adjacent pockets. The passages function to retain lubricant, particularly grease, and also enables displacement of lubricant / grease between the adjacent pockets.

A bearing arrangement for a rotor shaft of a wind turbine, including a housing and at least one bearing. The at least one bearing is fastened in the housing with an outer ring. The at least one bearing is configured to be fastened to the rotor shaft with an inner ring. The bearing arrangement is formed to adjust an axial force acting on the outer ring in order to specify a preload of the at least one bearing.

The application belongs to the field of engine bearing design, and particularly relates to a special-shaped bearing structure, which comprises a bearing outer ring, an inner ring integrated shaft, rolling elements and a bearing retainer; the bearing outer ring, the inner ring integrated shaft and the rolling elements are coaxially arranged, and the rolling elements are arranged between the bearing outer ring and the inner ring integrated shaft; the bearing retainer is connected to the rolling elements, and the inner ring integrated shaft can be integrally connected with a corresponding engine shaft. The special-shaped structure of the integrated inner ring and shaft enables a large-size gear shaft to be adapted to a small-specification bearing for support, directly reduces the DN value of the bearing, greatly reduces the heat generation of the bearing during high-speed rotation, effectively avoids the bearing damage problem caused by excessively high temperature rise, and simultaneously eliminates the need for designing a complex bearing oil supply cooling system, thereby simplifying the overall matching design of the equipment and the difficulty of later maintenance.

The objective of the present invention is to provide a vehicle bearing structure that can suppress the displacement of the member supporting the shaft. [Solution] The inner circumferential surface of the plate has a non-circular portion of the first inner circumferential surface having a shape different from that of a circle. The outer circumferential surface of the plate has one or more first insertion portions that protrude away from the center of the plate. The outer circumferential surface of the sleeve has a non-circular portion of the first outer circumferential surface having a shape different from that of a circle. The inner circumferential surface of the second recess has one or more first insertion portions that are recessed away from the center of the plate. When the sleeve and plate are attached to the case, the circular portion of the inner circumferential surface of the plate contacts the circular portion of the outer circumferential surface of the sleeve, the non-circular portion of the inner circumferential surface of the first plate contacts the non-circular portion of the outer circumferential surface of the first sleeve, and each of the first insertion portions is inserted into the first insertion portion.

The utility model provides a kind of double-row cylindrical roller bearing, comprising: inner ring, outer ring and the two rows of rollers being installed between the inner ring and the outer ring;Two rows of the roller between being provided with inner spacer, the inner spacer is sleeved in the raceway outside of the inner ring;The inner ring is connected with one inner baffle each side, and the distance between the inner baffle and the inner spacer is equal to the length of the roller.The utility model is sleeved with inner spacer on inner ring, play the role of separating two rows of rollers, and need not be provided with dimple on inner ring raceway, increase the thermal stability of inner ring, reduce crack when heat treatment, it is favorable to prolong the service life of bearing.Meanwhile, inner baffle is set on the both sides of inner ring, play the limiting effect to the roller, and the axial displacement of the roller is reduced.Meanwhile, the setting of inner side surface step on inner ring can prevent the problem that bearing inner hole deformation amount is too large and cannot be assembled.

This application provides a wheel hub bearing structure and a vehicle, relating to the field of vehicle technology. The wheel hub bearing structure includes: a wheel hub bearing unit and a drive half-shaft assembly unit; the wheel hub bearing unit includes an inner ring; the drive half-shaft assembly unit includes an intermediate shaft, a first constant velocity joint, and a second constant velocity joint, with a first end of the intermediate shaft connected to the first constant velocity joint and a second end of the intermediate shaft connected to the second constant velocity joint; the first constant velocity joint is fixedly connected to the inner ring, and when the first constant velocity joint rotates, the inner ring rotates synchronously with the first constant velocity joint. This application embodiment can avoid relative transmission impact between the wheel hub bearing unit and the drive half-shaft assembly unit.