216results about "Wheel-axle combinations" patented technology

A collapsible support structure includes at least a horizontal support structure, a vertical support structure, and an axle assembly. In use, the collapsible support structure may be folded / unfolded between a deployed configuration, in which the collapsible support structure may be capable of rolling along a support surface to transport items, and a stowed / storage position, in which the collapsible support structure is collapsed in a compact geometry for storage. The axle assembly enables removal of the wheels from the axle for storage of the collapsible support structure. The axle may be repositionable between a deployed position and a storage position. The axle may be equipped with a retainer unit that retains the axle in the deployed position.

The utility model provides a front structure of a scooter and the scooter, and belongs to the technical field of scooters. The front structure of the scooter includes: a front wheel including a hub; a connecting pin is arranged at one end of the front fork leg and is used for being connected with a hub; the front wheel shaft is arranged between the connecting foot and the hub in a penetrating manner, and the front wheel shaft is of an optical axis structure; the bearing set is arranged in the hub and arranged on the outer side of the front wheel shaft in a sleeving mode, the bearing set is used for rotationally connecting the hub and the front wheel shaft, and the bearing set comprises two bearings arranged in the axial direction of the front wheel in a spaced mode; the limiting assembly is arranged between the two bearings and arranged on the outer side of the front axle in a sleeving mode, the limiting assembly abuts against the two bearings in the axial direction of the front wheel, and the face, close to the hub, of the limiting assembly abuts against the hub in the radial direction of the front wheel. According to the front structure of the scooter, the front axle is arranged to be of the optical axis structure, the machining difficulty of the front axle can be lowered, and then the cost is lowered.

A driving wheel comprises an axle, a wheel body, and a driving assembly. The wheel body is of a hollow structure and is rotatably arranged on the axle. The driving assembly comprises a shell, a motor, and a transmission mechanism. The shell is fixedly arranged on the axle and located in the wheel body, and the motor is fixedly arranged in the shell and connected to the wheel body by the transmission mechanism. An output shaft of the motor is arranged perpendicular to the axle, which can reduce the space occupied by the motor and improve space utilization.

A spindle assembly of an axle assembly includes an elongate body partially forming a first cavity and a second cavity. A seal is coupled to the elongate body at a location between the first cavity and the second cavity, and the seal is configured to be in contact with an axle shaft to fluidly seal the first and second cavities from one another. A breather is coupled to the elongate body and disposed in fluid communication with the second cavity. A sleeve is also coupled to the elongate body. The sleeve includes a notch that forms at least a portion of a drainage passage through which a fluid in the second cavity may flow from an upper portion of the second cavity to a lower portion thereof.

An axle assembly for a working vehicle is provided. The axle assembly comprises an axle comprising a casing and a driveshaft located within the casing. The axle assembly also comprises a wheel hub for mounting a wheel thereto, wherein the wheel hub is located at an outboard end of the axle and comprises a wheel driving element which is coupled to the driveshaft by a gear arrangement. The axle assembly also comprises a brake system comprising a service brake configured to apply a braking force to the driveshaft, and an auxiliary brake configured to apply a braking force to the wheel driving element.

An emergency trailer wheel assembly for temporarily replacing a trailer wheel includes a frame member with a mounting bracket attached on a first end of the frame member and configured for attaching to a leaf spring of a trailer and a wheel rotatably attached to a second end of the frame member.

This is a trailer with independent half-axle suspension, the supporting structure of which consists of a frame (1), a split central support tube (2), and a chassis (3) with independently suspended running wheels (6). The chassis (3) comprises a front axle (31) with an integrated front transfer case (311) and pivotally mounted portal half-axles (312), and at least one rear axle (32) with an integrated rear transfer case (321) and pivoting rear half-axles (322). The support tube (2) is connected to the frame (1) via cross members (4). The solution consists in the support tube (2) being composed of a two-part front section (21) and rear sections (22) arranged at different heights, with the front section (21) being mounted higher than the rear section (22).and that the rear section (22) of the support tube (2) is provided with at least one intermediate plate (41) for the stepped connection of the axles (31) and (32) with the front section (21) of the support tube (2), which connects the support tube (2) to the front transfer case (311), wherein brake flanges (81) with brake carriers (82) for attaching the brake system of the trailer wheelset are attached at the ends of the half-axles (312) extending laterally from the front transfer case (311), and an independent wheel suspension (7) of the wheels (6) of the chassis (3) is mounted on the half-axles (312), which is attached to the underside of the frame (1) and is based on a bellows air spring (71), and an adjustable, vertically oriented trailer coupling (5) is attached to the end part of the front section (21) of the support tube (2).

Provided is a railway axle in which a non-fitting portion can have a sufficient fatigue limit and the fatigue limit of a fitting portion can be increased. A railway axle (1) according to the present disclosure includes fitting portions (2) with a diameter DW mm and a non-fitting portion (3). The non-fitting portion (3) includes a parallel portion (31) having a diameter DA mm that is smaller than the diameter DW mm, and a fillet R portion (32). DW / DA is 1.10 to 1.30, and a radius of curvature Rf is greater than or equal to a critical radius of curvature Rcr mm defined by Formula (1) and smaller than or equal to 60.0 mm, where Rf is a radius of curvature of a portion of a surface of the fillet R portion (32), the portion being adjacent to a surface of the parallel portion (31), and a reference total case depth CAT mm is a smaller depth out of total case depths at a 0.23Rf position and a 0.57Rf position in an axial direction of the railway axle (1) from an R end (2E) of the fillet R portion (32) toward the parallel portion (31) side, the R end being an end that is in contact with the parallel portion (31). [Expression 1] Rcr=0.0822DA⋅exp8.38CATDA

A running gear assembly for a vehicle includes an inner flange, an optional brake member assembly, and a unit hub. The inner flange may be connected to either an axle or an independent suspension member. The brake member assembly—when present—may be any type of brake member assembly commonly used for vehicles, including—but not limited to—electrically, hydraulically, or mechanically actuated drum brakes and hydraulically actuated disc brakes. The unit hub allows the wheel and tire assembly to connect to the vehicle without the need for a spindle.

The utility model discloses a road surface self-adaptive double-wheel driving mechanism which comprises an axle, a wheel rotating shaft, a brake system assembly, a hub connecting piece and side-by-side wheels, the side-by-side wheels are connected to the two sides of the hub connecting piece respectively, the wheel rotating shaft is arranged in the axle, a cylindrical wheel end flange is coaxially arranged outside the wheel rotating shaft, and the brake system assembly is arranged on the hub connecting piece. A bearing is sleeved on the outer wall of the cylinder of the wheel end flange, the wheel end flange is connected with a hub bearing mounting seat into a whole through the bearing, and the hub bearing mounting seat is rotatably connected with the axle through a wheel end rotating shaft; the wheel rotating shaft comprises a rotating shaft body and a front-end transmission shaft, and the rotating shaft body and the front-end transmission shaft are connected through a spherical hinge mechanism. The front end transmission shaft is fixedly connected with the wheel end flange; and the wheel end flange is fixedly connected with the hub connecting piece through the connecting part. The wheel set can swing at a certain angle relative to the axle, so that severe working conditions such as stress of a single wheel are effectively avoided, the loss of the wheel is reduced, and the service life of the wheel is prolonged.

A wheel component (500) for easy assembly and disassembly, comprising a wheel (510) and a rotary shaft (520), wherein a mounting hole (512) is arranged in a center of the wheel (510), characterized by an engagement element (530), wherein an engagement groove (521) is arranged at one end of the rotary shaft (520), the rotary shaft (520) is capable of advancing into or retracting from the mounting hole (512), the engagement element (530) is arranged on one side of the wheel (510) and has an elastic portion (531), and the elastic portion (531) is elastically engaged in the engagement groove (521) and enables connection and locking of the rotary shaft (520) to the wheel (510).

The utility model relates to a walking mechanism for a railway vehicle, the walking mechanism is provided with a walking mechanism frame (1), at least one driving motor (2), at least one transmission mechanism (4) and at least one first wheel pair (5), the first wheel pair is rotatably coupled with the walking mechanism frame (1), the at least one driving motor (2) is connected with the walking mechanism frame (1), and the at least one transmission mechanism (4) is connected with the walking mechanism frame (1). The at least one drive motor (2) is coupled to the at least one transmission mechanism (4) and the at least one transmission mechanism (4) is coupled to the at least first wheel pair (5) for transmitting a torque from the at least one drive motor (2) to the at least first wheel pair (5) via the at least one transmission mechanism (4). According to the invention, at least one brake disc (24) is connected to the transmission shaft (20), and at least one brake actuator (27), which can be brought into contact with the at least one brake disc (24), is connected to the transmission housing (17). This results in a reduction in the unsprung mass of the running gear.

A universal bearing size adjusting and positioning device for a hub mandrel of a bicycle rim comprises a hub, a mandrel is arranged in the hub in a shaft mode, threaded portions are arranged at the two ends of the mandrel, and two bearings are further screwed at the two ends of the mandrel. The bearings are sequentially provided with an outer ring, an inner ring and a wrenching part, a screw hole is formed in the inner ring of each bearing in a screwed mode, after the bearings are screwed to the threaded part of the mandrel through the screw holes, the bearings can rotate along threads through the wrenching parts, the shaft diameter of the threaded part is adjusted to be located, and then the fixed-axis rotation function is provided. And the bearing can be locked in a reverse direction to prevent the bearing from loosening.

The utility model discloses a bogie assembly of a mine car and the mine car with the bogie assembly. The bogie assembly of the mine car comprises: a bogie comprising a side frame; the bogie comprises a side frame and a wheel pair, the wheel pair comprises a shaft, a wheel and a bearing box, the wheel is arranged on the shaft, the shaft is supported on the bearing box, the bearing box is arranged on the side frame, the wheel pair is rotatably arranged relative to the bogie, and the rotating axis of the wheel pair extends in the vertical direction. According to the embodiment of the utility model, the bogie assembly of the mine car has the advantages of long service life of the wheel pair, no damage to the track and the like.

A locking system including a locking washer, a nut, and a retainer that together serve to secure a wheel hub to a spindle. The locking washer has a tab that extends through the nut and the retainer and that surrounds and is positioned rearward on the retainer so as to secure the retainer both axially and rotationally. The tab has an initial position corresponding to an unlocked position, and a distal end of the tab extends beyond the wheel hub far enough in the initial position to prevent a cap from being set on the tab when the tab is in the initial position. Thus, the cap cannot be installed until the tab is bent to a locked condition.

This invention provides a method for assembling a drive shaft and a wheel hub bearing, a drive system, and a vehicle. The method includes: moving the drive shaft axially toward the wheel hub bearing, and driving at least one of the drive shaft and the wheel hub bearing to rotate around its own central axis, so that the splines on the drive shaft gradually engage with the splines on the wheel hub bearing; during the engagement of the splines on the drive shaft and the wheel hub bearing, using a gauge to detect an assembly distance value, the assembly distance value being the distance between the shaft end face of the drive shaft and the bolt flange face of the wheel hub bearing, the gauge issuing a preset signal when the detected assembly distance value equals a theoretical distance value, the theoretical distance value being obtained by measuring the wheel hub bearing and the drive shaft in a standard engagement state; after the gauge issues the preset signal, using a locking fixture to lock the drive shaft and the wheel hub bearing in the current position. This application effectively solves the problem of low assembly efficiency of wheel hub bearings and drive shafts in the prior art.

The utility model discloses an AGV driving device, and belongs to the technical field of AGV driving. The AGV driving device overcomes the defects that in the prior art, a motor and a speed reducer of a traditional AGV driving device are installed on a driving frame respectively, so that the driving frame is difficult to machine, precision is difficult to control, a clutch leaks outwards, impurities enter easily, and the service life is affected. The main body structure of the caster comprises a caster assembly and a power assembly in transmission connection with the caster assembly, the caster assembly comprises a caster frame, a driving shaft installed on the caster frame and a first caster installed on the driving shaft, and the power assembly comprises a motor, an adapter frame, a clutch installed in the adapter frame and a speed reducer in transmission connection with the driving shaft. The two ends of the adapter frame are connected with the motor and the speed reducer respectively, the motor is in transmission connection with one end of the clutch through a motor adapter shaft, and the other end of the clutch is in transmission connection with the speed reducer through a speed reducer shaft. The double-vehicle linkage AGV is mainly used for the double-vehicle linkage AGV.

The high-stability aluminum front hub for the electric vehicle comprises a first steel rim, a first tire seat, a first spoke and a first center shaft, the first tire seat is fixedly connected to the inner side of the first steel rim, the first spoke is fixedly connected to the inner side of the first tire seat, and the second spoke is fixedly connected to the inner side of the first center shaft. The inner side of the first spoke is fixedly connected with a first center shaft; the rear end of the first center shaft is fixedly connected with a reinforcing ring sleeve, the rear end of the reinforcing ring sleeve is fixedly connected with a second center shaft, the rear end of the second center shaft is fixedly connected with a bearing guide seat, the outer side of the second center shaft is fixedly connected with a second spoke, and the outer side of the second spoke is fixedly connected with a second tire seat. And the outer side of the second tire seat is fixedly connected with a second steel rim. According to the high-stability aluminum front hub for the electric vehicle, the purpose of high-stability supporting is achieved through structural arrangement.

The application discloses a light-weight wheel set structure, a locomotive driving assembly and a locomotive, and relates to the technical field of rail transit. The light-weight wheel set structure comprises a shaft tube, two mounting seats and two wheels. The shaft tube is a hollow structure. The two mounting seats are arranged at two ends of the shaft tube and are detachably mounted on the shaft tube through at least one connecting piece. The two wheels are detachably connected with the corresponding mounting seats. The mounting seat, the shaft tube and the wheels jointly enclose a sealed cavity, and high-pressure gas with a preset pressure is introduced into the sealed cavity, so that the mass of the wheel set is further reduced. Each component can be individually disassembled, replaced or maintained, thereby greatly improving the maintenance efficiency and reducing the life cycle cost.

The present disclosure provides a composite powered wheel set, a train, a wheel-rail system and a train control method. The composite powered wheel set comprises two booster wheels and two support wheels mounted on a driving axle. The booster wheels are fixedly mounted on two ends of the driving axle, the support wheels are mounted on the driving axle via bearings, the moving axle is connected to a first transmission device, which is connected to a first power mechanism, and the driving axle is further connected to a train bogie via a connecting device. Booster wheels and booster rails are provided to improve anti-skid performance, so the train will not skid when running on a steep slope or under a heavy traction load. Restrictions on the railway slope, train traction load, and train speed are eliminated to a great extent, and the application scope of the wheel rails is expanded.

Aspects of the present invention relate to an axle system, a spindle nut, a spindle nut and a spindle. The axle system comprises a spindle and a spindle nut. The spindle has a threaded portion and a ratchet portion, the spindle nut has a threaded portion and at least one pawl. The threaded portions are sized to engage one another. The at least one pawl is arranged to engage the ratchet portion of the spindle.

Provided is a railway axle in which a non-fitting portion can have a sufficient fatigue limit and the fatigue limit of a fitting portion can be increased. A railway axle (1) according to the present disclosure includes fitting portions (2) with a diameter DW mm and a non-fitting portion (3). The non-fitting portion (3) includes a parallel portion (31) having a diameter DA mm that is smaller than the diameter DW mm, and a fillet R portion (32). DW / DA is 1.10 to 1.30, and a radius of curvature Rf is greater than or equal to a critical radius of curvature Rcr mm defined by Formula (1) and smaller than or equal to 60.0 mm, where Rf is a radius of curvature of a portion of a surface of the fillet R portion (32), the portion being adjacent to a surface of the parallel portion (31), and a reference total case depth CAT mm is a smaller depth out of total case depths at a 0.23Rf position and a 0.57Rf position in an axial direction of the railway axle (1) from an R end (2E) of the fillet R portion (32) toward the parallel portion (31) side, the R end being an end that is in contact with the parallel portion (31). [Expression 1] Rcr=0.0822DA⋅exp8.38CATDA

Wheels are described including: a hub portion which is arranged to rotate about an axis; a ground contacting region which surrounds the hub portion; the ground contacting region is formed from a number of segments; each of the segments normally adopts a home position and is arranged to move to either side of its home position with respect to the hub for a limited distance away from the home position along a path of travel in a direction which is substantially transverse to the circumference of the hub portion; the wheel further includes means for returning each of the segments to their home positions; and wherein an inner region of each segment is arranged to support the hub away from the surface of the ground and moves by sliding against the outside of the hub portion.

A wheel locking axle assembly is provided to secure a wheel to a hub of a child conveyance device. An embodiment of the wheel locking assembly includes a hub including a retention feature and a wheel assembly. The wheel assembly includes a wheel, a sleeve coupled to the wheel, a spindle that is slidable within a channel of the sleeve, and at least one detent captured by the sleeve and the spindle. The spindle can be moved between a first longitudinal position with respect to the sleeve in which a portion of each detent extends radially outwardly through a respective through-hole in the sleeve to lockingly engage the retention feature of the hub and a second longitudinal position with respect to the sleeve in which each detent does not extend radially outwardly through the through-hole and disengages the retention feature of the hub.

A wheel axle (2) configured to be assembled to a panel (5) of a rolling toy (1), comprising a screw (6), a friction cheek (7) fixed against rotation relative to the panel (5), a nut (8) having a threaded tubular portion (82) for passing through a hub of the wheel (3), a central hole (71) in the friction cheek (7) and a hole (52) in the panel (5), a threaded shank (62) of the screw (6) being configured to be screwed into the tubular portion (82) of the nut (8), the central hole (71) of the friction cheek (7) or the hole (52) in the panel (5), and the tubular portion (82) of the nut (8) having additional anti-rotation elements assembled by the axial engagement of the tubular portion (82) of the nut (8) in the central hole (71) of the friction cheek (7) or in the hole (52) in the panel (5) for immobilize the nut (8) against rotation relative to the panel (5). Figure 1

The utility model provides an automobile wheel end bearing structure which comprises a wheel axle, a bearing assembly, a hub and a temperature adjusting structure, the bearing assembly comprises two sets of bearings, and the two sets of bearings are installed on the wheel axle at intervals; the hub is rotationally connected to the wheel axle through a bearing assembly; the temperature adjusting structure comprises a heat exchange piece; wherein a containing cavity is defined by the wheel axle, the hub and the bearing assembly, the heat exchange piece is arranged in the containing cavity, and heat exchange is conducted between the bearing assembly and the heat exchange piece. The utility model can improve the influence of temperature change on the lubricating property of the bearing.

The utility model discloses a driving wheel assembly and a forklift, and the driving wheel assembly comprises a hub, a hub rotating shaft and a first locking piece; the hub is provided with at least one first matching hole; the hub rotating shaft comprises a connecting part and a positioning part; the positioning part is connected with at least one second matching part, and the first matching part is matched with the second matching part so as to position the connection of the hub and the connecting part; the first locking piece is connected with the connecting part and used for pressing and fixing the hub so that the hub rotating shaft can drive the hub to rotate. The driving wheel assembly and the forklift are used for conducting initial positioning on the wheel, the coaxiality between the wheel and the hub rotating shaft is improved, and installation of the wheel is facilitated.

This invention discloses a wheel connection assembly and a vehicle. The wheel connection assembly according to the invention includes a wheel hub, a first magnetic connector, a second magnetic connector, a first battery, and a second battery. The first and second magnetic connectors are selectively magnetically connected to the wheel hub, respectively. The first battery is connected to the first magnetic connector and adapted to supply power to it. The second battery is connected to the second magnetic connector and adapted to supply power to it. One of the first and second batteries is configured as a power battery for the vehicle. The wheel connection assembly according to the invention improves the connection stability between the wheel and the drive shaft by providing the first and second magnetic connectors for magnetic connection to the wheel hub. By providing power to both the first and second batteries respectively, it ensures that at least one magnetic connector remains stably connected to the wheel hub, thus improving vehicle safety.

An electric vehicle (10a; 10b) comprising an annular wheel (12, 14) rotatable around a rotation axis (26) an annular support element (46) enclosing the rotation axis (26) and supporting the wheel (12, 14) radially inside of the wheel (12, 14) with respect to the rotation axis (26); and a plurality of electric motors (44) supported on the support element (46) offset from the rotation axis (26) and positioned radially inside of the wheel (12, 14) with respect to the rotation axis (26), each electric motor (44) being arranged to directly drive the wheel (12, 14). A method of controlling an electric vehicle (10a; 10b) is also provided.