68results about "Wheel bearings" patented technology

A removable wheel assembly includes a mounting base, a caster assembly and a detachment mechanism. The mounting base is provided with an insertion hole and a transverse guide groove communicated with the insertion hole. The caster assembly includes an insertion shaft, a wheel bracket, a rotating wheel and a housing. The insertion shaft includes a first end portion, and the first end portion is provided with a first engagement portion. The wheel bracket is connected to the insertion shaft. The rotating wheel is mounted on the wheel bracket. The housing includes a first housing and a second housing engaged with each other, and both the first housing and the second housing cover an outer side of the rotating wheel. The detachment mechanism includes a sliding member slidably disposed within the transverse guide groove and an elastic member connected to the sliding member.

The invention discloses a high-sealing long-service-life automobile hub bearing, and belongs to the technical field of bearings, the high-sealing long-service-life automobile hub bearing comprises an inner ring body fixedly mounted on a shaft, an outer ring body is arranged on the outer side of the inner ring body, balls are arranged between the inner ring body and the outer ring body, and the outer sides of the balls are positioned through retainers; preset holes are formed in the two sides of the inner ring body and the two sides of the outer ring body, oil storage assemblies which are driven by heat to achieve automatic oil supplementing are fixedly installed on the inner sides of the preset holes, sealing pieces are fixedly installed at the two ends of the inner ring body, and first sealing rubber bodies used for adjusting and conveying oil are fixedly bonded to the outer sides of the sealing pieces. And second sealing rubber bodies are fixedly mounted at the two ends of the outer ring body. According to the automobile hub bearing with the high sealing performance and the long service life, different sealing modes can be adopted when an automobile runs and stops, the sealing dustproof effect at the position of the bearing is effectively improved, and oil liquid can be added in a self-adaptive mode in the using process.

A mecanum wheel includes a first wheel frame having a circumference and a plurality of first mounting mechanisms spaced about the circumference. There is a second wheel frame having a circumference and a like plurality of second mounting mechanisms spaced about the circumference. There are a plurality of roller units, each having a roller surface and a hollow center cavity. There is an axle disposed in the hollow center cavity of each roller, and a first end of the axle is connected a first mounting mechanisms and the second end of each axle is connected to the second mounting mechanism. The second end of each axle includes a notched portion.

The present invention relates to a sealing device for a wheel bearing, comprising a rotatable hub part, a rotatable disc part mounted on the hub part and whose outer surface temporarily stores moisture, a mounting disc part arranged opposite the rotatable disc part and connected to an outer ring part, and a mounting sealing part formed in the mounting disc part, wherein the direction of moisture movement to a space between the rotatable disc part and the mounting sealing part is changed several times.

In one aspect, a wheel end system is provided that includes a spindle having an interior and a side wall extending about the interior. The wheel end system further includes a wheel hub, inboard and outboard bearings rotatably connecting the wheel hub to the spindle, and a spacer between the inboard and outboard bearings. The spacer extends about the spindle and has a spacing between the spacer and the spindle. The side wall of the spindle has an airflow opening with an inlet portion that is outboard of the inboard bearing. The airflow opening is configured to permit air to travel from the spacing between the spacer and the spindle into the interior of the spindle.

A dump truck (1) includes a cylindrical spindle (12), first and second bearings (16, 17) that are attached to an outer peripheral surface of the spindle (12) to rotatably support a wheel mounting cylinder (18) relative to the spindle (12), a rotation shaft (14) that is provided in an inner peripheral side of the spindle (12) to transmit the rotation of a traveling motor (13) to the wheel mounting cylinder (18), each of first and second temperature sensors (42, 43) that detects a temperature of each of the first and second bearings (16, 17), and a control unit (44) configured to determine abnormality of each of the first and second bearings (16, 17) based upon the temperature detected by each of the first and second temperature sensors (42, 43). The first and second temperature sensors (42, 43) are arranged in the inner peripheral side of the spindle (12).

In one aspect, a wheel hub assembly having a wheel hub body, an inboard bearing assembly, an outboard bearing assembly, and a seal. The inboard bearing assembly has a radially outer ring mounted to the wheel hub body, a radially inner ring, and a plurality of bearing elements that permit the radially outer ring to rotate relative to the radially inner ring. The seal includes a seal case mounted to the wheel hub body and a sleeve having a sleeve body mounted to the radially inner ring of the inboard bearing assembly. The sleeve body extends inboard from the radially inner ring and is configured to extend along the spindle and be spaced radially therefrom with the inboard and outboard bearing assemblies rotatably connecting the wheel hub body to the spindle.

This invention discloses a high-sealing, long-life automotive wheel hub bearing, belonging to the field of bearing technology. The invention includes an inner ring body fixedly mounted on a shaft, an outer ring body disposed on the outer side of the inner ring body, and balls disposed between the inner and outer ring bodies, with the outer sides of the balls positioned by a cage. Pre-set holes are provided on both sides of the inner and outer ring bodies, and an oil reservoir assembly for automatic oil replenishment driven by heat is fixedly installed inside the pre-set holes. Sealing plates are fixedly installed at both ends of the inner ring body, and a first sealing adhesive for oil adjustment and delivery is fixedly bonded to the outer side of the sealing plates. A second sealing adhesive is fixedly installed at both ends of the outer ring body. This high-sealing, long-life automotive wheel hub bearing can employ different sealing methods when the vehicle is moving and stationary, effectively improving the sealing and dust prevention effect at the bearing, and can adaptively add oil during use.

According to one embodiment, a motor vehicle wheel bearing is provided that rotatably mounts a vehicle wheel relative to the body. The wheel bearing comprises a wheel hub rotating with the wheel, at least one inner ring mounted on the wheel hub, an outer ring coupled to a body-side component, several rolling elements for rotatably supporting the wheel hub and the inner ring relative to the outer ring, an inner sealing element for sealing at an axially inner end section of the bearing chamber, and an outer sealing element for sealing at an axially outer end section of the bearing chamber. The outer sealing element comprises a frame press-fitted onto the outer ring and an elastic sealing section integrally connected to the frame. The frame has a press-fit section, a flange section bent radially inward from the press-fit section, and a bent section bent radially outward from the press-fit section.The elastic sealing section comprises a base section that partially or completely surrounds the frame, one or more sealing lips, and an overmolded section that encompasses the bent section of the frame. A radial outer end section of the bent section is arranged radially outside the outer circumferential surface of the press-fit section, and a radial height between the outer circumferential surface of the press-fit section and the radial outer end section of the bent section is specified as at least 0.3 mm.

A sprocket assembly includes a sprocket including a center orifice and a bearing located in the center orifice with an outer part of the bearing fixed in relation to the sprocket. The sprocket assembly also includes a dust cover fixed in relation to an inner part of the bearing. An outer cover diameter of the dust cover is bigger than an outer bearing diameter of the bearing, so that an outer periphery of the dust cover extends radially past the outer part. The sprocket also includes an impeller arranged at the outer periphery of the dust cover. The impeller is fixed in relation to the sprocket.

The present invention discloses a drum rear axle assembly for a new energy bus, which includes a rear axle housing, a main reducer with a differential assembly, a brake drum, a drum brake assembly, a brake camshaft, a brake clearance adjusting arm, a brake chamber, a wheel hub bearing unit and a half shaft; by designing the wheel hub bearing unit as a pre-assembled part, after tightening the inner ring of the bearing according to the set torque value during the assembly of the rear axle assembly, the bearing clearance can be ensured to be at the optimal value, and within this optimal clearance, the bearing can be ensured to be within the design life; moreover, by filling extreme pressure high-temperature resistant grease in the bearing space at one time during pre-assembly, there is no need to replace the lubricating oil or grease during the use process; thus, it is realized that the bearings do not need to be maintained and replaced during the service life of the whole vehicle, the wheel side structure is maintenance-free, the maintenance cost is saved, and the attendance rate of the whole vehicle is increased.

An axle disconnect clutch includes an axle shaft, a tulip for a constant velocity joint, and a sliding sleeve. The sliding sleeve includes a first inner spline and a first outer spline, radially aligned with the first inner spline. One of the axle shaft or the tulip includes a second inner spline, and the other one includes a second outer spline. The sliding sleeve is axially slidable along a one of the first inner spline or the first outer spline to engage the other of the first inner spline or the first outer spline with the second outer spline or the second inner spline, respectively, rotationally connecting the axle shaft and the tulip. In an example embodiment, the sliding sleeve has an undulating profile, and a number of inner spline teeth of the first inner spline is equal to a number of outer spline teeth of the first outer spline.

A bearing unit for a wheel hub assembly for motor vehicles, the bearing unit having an axis of rotation (X) and having two radially outer raceways, two radially inner raceways, two rows of rolling bodies, the bearing unit having tribological parameters whose values affect the magnitude of the frictional forces between the respective raceways and rolling bodies of the rows of rolling bodies, wherein at least one value of a tribological parameter is minimized or maximized to reduce the magnitude of the frictional forces as a function of the relative position along the axis (X) of a line of action (W) of loads acting on the bearing unit and of the plane of axial symmetry (Z).

The present invention relates to the technical field of integrated wheel hub bearing units, and specifically to an integrated wheel hub bearing unit for distributed drive new energy vehicles. It solves the problem that when the ABS sensor inside the integrated wheel hub bearing unit fails, the integrated wheel hub bearing unit is inconvenient to disassemble, which is not conducive to the maintenance, inspection or replacement of the ABS sensor. An integrated wheel hub bearing unit for distributed drive new energy vehicles includes a wheel hub connecting sleeve and a wheel hub bearing bracket connecting sleeve, a wheel hub bearing unit body is installed between the wheel hub connecting sleeve and the wheel hub bearing bracket connecting sleeve, one end of the wheel hub connecting sleeve and one end of the wheel hub bearing bracket connecting sleeve are fixed with connecting flanges, and assembly connection holes are penetrated at the four end corners of the connecting flange. The present invention can quickly disassemble the integrated wheel hub bearing unit and remove the internal ABS sensor, which is convenient for the maintenance, inspection or replacement of the ABS sensor.

A vehicle wheel end assembly (1) comprises a wheel bearing unit (3) arranged for fitting on a vehicle axle head (2) and a wheel adapter (4) obtaining rotational support on the axle head (2) by means of the wheel bearing unit (3). Wherein the bearing unit (3) comprises at least two rows of bearings (31, 32) and bearing outer ring communities (33, 34) configured to be capable of rotating synchronously with bearing outer rings (31a, 32a) of the bearings (31, 32). The adapter (4) is a detachable member independent of the outer ring community (33, 34) for connecting the wheel (41) and the brake disc (42). At least in the state of connecting the brake disc (42), the adapter (4) can be fastened to the outer ring common body (33, 34) by means of a bolt (5), or can be removed from the latter. And a bolt fastening point between the adapter (4) and the outer ring common body (33, 34) is positioned on the radial periphery of the outer ring common body (33, 34) outside the cabin outer side end surface (33a).

A hub bearing unit includes a radially outwardly extending flange, a first portion on a first side of the flange and a tubular portion on a second side of the flange. A bearing outer ring surrounds the first portion, and rolling elements are mounted between the first portion and the outer ring. A splined shaft of a constant velocity joint extends into the hub and has a threaded end portion inside the tubular portion. A threaded connector is mounted on the threaded end portion and has a deformable portion configured to be deformed to prevent the threaded connector from being unscrewed. A portion of the tubular portion near the flange includes a radial through hole configured to allow a torque arm of a deformation tool to access and deform the deformable portion.

Disclosed is a sprocket assembly (1) comprising a sprocket (2) including a centre orifice (3) and a bearing (4) located in the centre orifice with an outer part (5) of the bearing fixed in relation to the sprocket. The sprocket assembly also comprises a dust cover (6) fixed in relation to an inner part (7) of the bearing, wherein an outer cover diameter (OCD) of the dust cover is bigger than an outer bearing diameter (OBD) of the bearing, so that an outer periphery (8) of the dust cover is extending radially past the outer part. Furthermore, the sprocket assembly comprises an impeller (9) arranged at the outer periphery of the dust cover, wherein the impeller is fixed in relation to the sprocket. Furthermore, a method for preventing ingress of dirt in a bearing of a sprocket assembly and use of a sprocket assembly is disclosed.

A wheel unit for electrically driven vehicles with a disconnectable drive comprises a wheel support (4), a wheel hub (1) rotatably supported by the wheel support (4), and a wheel pin (5) carried by a component driven by an electric motor and rotatably mounted in the wheel hub (1) by means of two rolling bearings (19, 20). A coupling device (15) releasably connects the driven component (6) to the wheel hub (1). The two rolling bearings (19, 20) rotatably supporting the wheel pin (5) have respective outer rings (19A, 20A) mounted by interference fit within a cylindrical wall (7) of a central opening of the hub and respective inner rings (19B, 20B) rigidly connected together by means of a spacer sleeve (21) having a strictly predetermined length. The wheel-hub (1) unit (M) with the two rolling bearings (19, 20) and the spacer sleeve (21) can be assembled before being mounted on the wheel pin (5).

A wheel bearing arrangement (1) comprises a wheel hub (10) with an internal toothing (12), a wheel bearing (20) arranged on the wheel hub (10), a constant velocity joint (30) with an axle journal (32), wherein the axle journal (32) has an external toothing (33) which engages with the internal toothing (12) of the wheel hub (10) for torque transmission, and a clamping device (40) by means of which the wheel hub (10) including the wheel bearing (20) is axially clamped against the constant velocity joint (30) such that an inner bearing ring (21) of the wheel bearing (20) is pressed against a contact shoulder (34) of the constant velocity joint (30). A metallic, uncoated friction ring (50) is arranged between the inner bearing ring (21) and the contact shoulder (34), the sliding friction coefficient for which the contact coefficient against the inner bearing ring (21) and the contact shoulder (34) is at least 80% of the static friction coefficient.

A hub unit (10) is provided with a hub (20) made of an aluminium alloy for plastic processing, which forms, in a single piece, an axially extending cylindrical portion (21) and a radial flange (22); two bearing rings (14, 15) are mounted axially aligned around the cylindrical portion (21), an axially inner edge (17) of the cylindrical portion (21) is plastically deformed in a radially outer direction against the axially inner bearing ring (14).

A wheel bearing device for which the work of grinding a wheel hub is simplified. The wheel hub (3) has an inside track groove (3c), a seal land part (3d), a recess (3m), and a flange surface (3k). An outer-side sealing member (10) is provided with a core metal (11) and a sealing member (12). The sealing member includes a contact lip (12d) and a labyrinth lip (12e) facing the recess across a gap. The recess has a bottom (313) located between an outer diameter-side edge (311) and an inner diameter-side edge (312), and a tapered surface (314) that extends in the radial direction from the outer diameter-side edge toward the bottom and tilts toward one end of the axial direction going from the outer diameter-side edge toward the bottom.

Various embodiments involve a universal wheel. The universal wheel can include a wheel support portion; a set of bearing sleeves; a hub; and a flange. The wheel support portion can be configured to receive the set of bearing sleeves. The hub can be disposed about a perimeter formed by an outer portion of each bearing sleeve. The flange can be coupled to the wheel support portion such that the wheel support portion and the flange cooperate to maintain the hub between at least a portion of each of the wheel support portion and the flange with the hub disposed on a rolling surface defined by the set of bearing sleeve such that the hub is configured to rotate freely with respect to the wheel support portion and the flange when the wheel support portion and the flange are in a fixed position.

Provided is a wheel bearing for a part-time four-wheel-drive vehicle capable of switching between a two-wheel-drive mode and a four-wheel-drive mode. The wheel bearing includes a wheel hub to which a vehicle wheel is mounted and which rotates together with the vehicle wheel; at least one inner ring mounted to the wheel hub; an outer ring fixedly coupled to a vehicle-body-side member; and a plurality of rolling elements configured to rotatably support the wheel hub and the inner ring relative to the outer ring. An inner circumferential surface of the wheel hub is provided with hub splines extending in an axial direction such that a clutch member is configured to be selectively connected to and disconnected from the hub splines to perform switching between the two-wheel-drive mode and the four-wheel-drive mode. The hub splines of the wheel hub are configured to undergo surface hardening heat treatment.

A coupler ring applied to a vehicular wheel bearing according to an example embodiment of the present disclosure includes: a wheel-side side surface, a vehicle-body-side side surface, an inner peripheral surface connecting the wheel-side side surface and the vehicle-body-side side surface, and an outer peripheral surface connecting the wheel-side side surface and the vehicle-body-side side. An inner coupler-ring spline portion is formed on the inner peripheral surface, an outer coupler-ring spline portion, which is engaged with a ring gear, is formed on the outer peripheral surface, and a height of the outer coupler-ring spline portion on a vehicle-body side is formed to be greater than that on a wheel side.

A system for use in providing a load on a bearing mounted to a shaft includes a preload apparatus having a first extension and a second extension engageable with an inner race of the bearing and configured to provide a compressive load to the bearing. The first extension has a first projection and the second extension has a second projection. A stop ring is configured to limit a radially inward movement of the first extension and the second extension toward each other to position the first projection and the second projection relative to the bearing.

A wheel bearing assembly includes a wheel hub having inner teeth, a wheel bearing arranged at the wheel hub, and a constant velocity joint having an axle journal with outer teeth engaged with the inner teeth for torque transmission. A clamping device axially clamps the wheel hub and the wheel bearing against the constant velocity joint so that a bearing inner ring bears against a contact shoulder of the constant velocity joint. A metallic, uncoated friction ring is positioned between the bearing inner ring and the contact shoulder. The friction ring provides a coefficient of sliding friction that is at least 80 percent of a coefficient of static friction for both the bearing inner ring–to–friction ring interface and the friction ring–to–contact shoulder interface.

A rotating bicycle joint assembly includes a rotating joint part, a fixed joint part, and a bearing located between the rotating joint part and the fixed joint part. An outer part of the bearing is fixed in relation to one of the rotating joint part or the fixed joint part. An inner part of the bearing is fixed in relation to the other of the rotating joint part or the fixed joint part. A dust cover has an outer cover diameter that is bigger than an outer bearing diameter of the bearing, so that an outer periphery of the dust cover extends radially past the outer part. The rotating bicycle joint assembly also includes an impeller arranged at the outer periphery of the dust cover. The impeller is fixed in relation to the rotating joint part. The dust cover is fixed in relation to the inner part of the bearing.