307results about "Wheel-axle combinations" patented technology

The utility model discloses a narrow-gauge mining frame structure with adjustable track gauge, comprising: a wheel axle; two rail wheel assemblies, respectively sleeved on the left and right ends of the wheel axle; two adjustment assemblies, respectively arranged corresponding to the two rail wheel assemblies, the adjustment assembly comprising a plurality of adjustment sleeves, the adjustment sleeves being sleeved on the wheel axle and located on the left and / or right sides of the corresponding rail wheel assemblies; wherein a positioning structure is provided on the wheel axle for left and right positioning of the rail wheel assembly and the adjustment assembly, and the adjustment assembly is configured to adjust the position of the rail wheel assembly in the left and right directions by changing the orientation of the adjustment sleeve relative to the rail wheel assembly. The narrow-gauge mining frame structure with adjustable track gauge of the utility model embodiment can adjust the spacing between the two rail wheel assemblies, and has strong versatility.

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 method and system for analyzing the press-fitting curve of American standard wheelset includes: acquiring American standard wheelset parameters, press-fitting parameters and pressure data, and establishing a wheelset press-fitting curve; acquiring a plurality of judgment items on the established curve, and analyzing the acquired judgment items according to a preset algorithm to obtain an analysis result, which can analyze all the curves of the end points, wave peaks, wave troughs, ascending and descending sections of the wheelset press-fitting curve. The method is simple to operate and convenient to use, and can automatically and accurately determine whether the curve meets the requirements. At the same time, the identification and determination of unqualified items of the curve provide a basis for the quality improvement of the subsequent press-fitting process, which promotes the quality improvement of wheelset press-fitting, avoids product repair, and further improves the press-fitting efficiency.

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.

The invention provides a self-power-generating wheel body structure with a shaft wheel rotating synchronously without differential speed, and relates to the technical field of power-generating wheels, the self-power-generating wheel body structure comprises a fixed part and a rotatable part which are arranged in a coupling mode; the rotatable part comprises a wheel, and a connecting component is arranged in the rotatable part; the connecting component is provided with a mounting position for mounting a power part; the power part is driven by a power source to generate torque, and then the rotatable part is driven to rotate relative to the fixed part with an axis as the center. A magnetic ring and a generator core which are correspondingly used are arranged at the joint of the fixed part and the rotatable part; the rotatable part rotates relative to the fixed part, so that the generator core and the magnetic ring rotate relative to each other to cut magnetic lines of force to generate current. The self-generating wheel body has the beneficial effects that the blank of the self-generating wheel body in the existing market is filled, and the self-generating wheel body can be applied to a wheel body which is represented by a child tricycle and is positioned on a front fork, so that the wheel body can synchronously generate electricity or emit light by driving the wheel body to rotate through pedal rotation.

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.

The utility model provides a shock absorber footing of a two-wheeled electric vehicle, and belongs to the technical field of electric vehicles. The problem that an existing bottom foot cannot be matched with a large-size rotating shaft is solved. The shock absorber footing of the two-wheeled electric vehicle comprises a body, a connecting sleeve is arranged at the upper end of the body, a tubular supporting part is arranged at the lower end of the body, an inner hole of the supporting part is a shaft hole, and the hole diameter of the shaft hole is 18-21 mm; the lower side of the shaft hole is opened, the supporting part extends downwards at the opening position to form connecting blocks, and the two connecting blocks are arranged side by side in the width direction of the opening in a spaced mode; a through hole is formed in one connecting block in a penetrating mode, a threaded hole is correspondingly formed in the other connecting block, a bolt is arranged in the through hole, and the rod portion of the bolt is screwed into the threaded hole. The shock absorber footing of the two-wheeled electric vehicle can be matched with a rotating shaft with a larger size.

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).

A dustbin (30) comprises a container body (1); a tubular axle (2) supported by the container body (1); a pair of wheels (3) which include a rim (4), bearing a flange (5) with two faces (6,7) which face opposite ways, and a tubular hub (8); and interconnecting means (9) for interconnection of the wheels (3) to the axle (2). The interconnecting means (9) include at least one rotation pin (10) of a corresponding wheel (3), which is housed inside an axial cavity (11) of the tubular axle (2) and which at its opposite ends bears at least two projections (12, 13). The projections (12, 13) are spaced apart longitudinally relative to an axis (14) of rotation of the wheels (3), and jut out cantilever-style transversally to the axis (14) of rotation, a first projection (12) being placed axially abutting against a first face (6) of the flange (5), the second projection (13) engaging with and pressing the tubular axle (2) against a second face (7) of the flange (5) which faces the opposite way to the first face.

The double-wheel driving mechanism 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 hub connecting piece is arranged in the axle. 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 single-wheel stress are effectively avoided, the loss of the wheel is reduced, and the service life of the wheel is prolonged.

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.

A railway wheel that is capable of suppressing the propagation of cracks is provided. A railway wheel (100) according to the present disclosure includes a hub part (10), a rim part (20) including a tread (21) and a flange (22), and a web part (30). In the railway wheel (100), in an outer layer of the rim part (20) that includes the tread (21), an elastic limit σ0 is 430 MPa or more, an initial kinematic hardening coefficient C is 130 GPa or more, and a kinematic hardening coefficient reduction ratio γ is 400 or less. The initial kinematic hardening coefficient C and the kinematic hardening coefficient reduction ratio γ satisfy Formula (1). [Expression 1] 470≤Cγ1−exp−0.007γ

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 invention relates to the technical field of measuring equipment, and particularly discloses a high-precision engineering cost length measuring instrument which comprises a machine body, rotating wheels are installed at the positions, close to corners, of the two sides of the machine body, protective grooves are formed in the two sides of the bottom of the machine body in the length direction, and connecting cylinders are rotationally installed on the inner walls of the two ends of each protective groove. A mounting sleeve is slidably mounted in the connecting cylinder, a mounting shaft is rotatably mounted in the mounting sleeve, the end, away from the connecting cylinder, of the mounting shaft penetrates through the mounting sleeve, a polygonal connecting groove is formed in the end, located in the connecting cylinder, of the mounting shaft, and a plurality of first supporting plates are mounted on the outer wall of the end, away from the connecting cylinder, of the mounting sleeve; the end, away from the mounting sleeve, of the first supporting plate is mounted on the side, close to the machine body, of the rotating wheel. According to the invention, different measurement modes can be selected for accurate measurement according to different terrains to be measured.

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.