210results about "Motor deposition" patented technology

A wheel assembly structure of a vehicle may include a wheel on which a tire of the vehicle is mounted, a rotor housing connected to the wheel and configured to rotate with the wheel, a stator housing configured to be fixed to a vehicle body, and configured to rotate the rotor housing based on an application of an electrical current at the stator housing, and a damping device coupled between an inner circumference of the wheel and an outer circumference of the rotor housing and configured to alleviate a shock transferred from the wheel to the rotor housing.

A wheel assembly structure of a vehicle may include a wheel on which a tire of a vehicle is mounted, a rotor housing connected to the wheel to rotate with the wheel, a stator housing fixed to the vehicle, and configured to rotate the rotor housing by application of current, a wheel hub extending at a central portion of the wheel toward the vehicle inner side, a knuckle having a first end rotatably connected to the wheel hub, and a second end extending toward an inner side of the vehicle, a shock absorber connected to a second end of the knuckle, and configured to alleviate shock between the stator housing and the wheel, and an assembly bracket connected to the stator housing, coupled to an upper end and a lower end of the shock absorber, protruding toward the inner side of the vehicle.

The present invention relates to a radial flux rotor machine for a wheel hub drive, comprising a stator with a stator core, a rotor associated with the stator core, a bearing shield supporting the stator core, and a brake unit arranged radially within the rotor and axially at the same level as the rotor, which includes a brake disc attached to a wheel hub and a brake caliper arranged radially within the rotor and at least partially fixed to the bearing shield for braking the brake disc. The present invention further relates to a corresponding wheel hub drive.

A vehicle driving system can include a driving / braking system including an in-wheel motor and an electromechanical brake installed in an inner side of a tire rim, a suspension system coupled to a rotational center shaft of the rim, and a steering system provided on an upper portion of the suspension system, wherein the suspension system includes a first knuckle disposed on one side of the rim and coupled to the rotational center shaft, a second knuckle disposed on the other side of the rim and coupled to the rotational center shaft, and one or more damper units connect the steering system to the first knuckle or the second knuckle.

The application discloses a lightweight micro four-wheel off-road vehicle, which comprises a main frame and a steering mechanism, the main frame comprises a chassis, a front upright column of the frame, a middle upright column, a front U-shaped beam, a rear U-shaped beam, a rear upright column of the frame; the steering mechanism comprises a steering wheel, a steering column, a steering swing arm, two steering pull rods and two steering joints; an upper swing arm is hinged to the middle upright column, and the other end of the upper swing arm is hinged to the upper joint of the steering joint; a lower swing arm is hinged to the chassis, and the other end of the lower swing arm is hinged to the lower joint of the steering joint; a front shock absorber is arranged between the middle position of the lower swing arm and the upper middle part of the middle upright column, wherein the front shock absorber is located between the steering joint and the middle upright column; the steering pull rod and the upper swing arm are close to the upper part of the main frame, so that a wide leg accommodating space and a foot operating space are formed between the front U-shaped beam and the chassis.

The application relates to the technical field of racing chassis, and discloses a racing chassis device which comprises a chassis frame, a wheel train structure, a power transmission mechanism, a rotating speed monitoring mechanism and a wheel group switching mechanism. The chassis frame comprises a main support, an auxiliary support and a bottom plate. The main support and the auxiliary support are fixedly installed on the two sides of the bottom plate through bolts. The wheel train structure is symmetrically arranged on the two sides of the main support and the auxiliary support. The wheel train structure comprises a wheel hub, a wheel hub gear, an axle and a bearing seat. The wheel hub and the wheel hub gear are coaxially installed through the axle. The axle is installed on the bearing seat. The bearing seat is installed on the chassis frame. Two groups of wheel train structures are arranged on the two sides of the main support and the auxiliary support respectively. The two groups of wheel train structures are driven through the power transmission mechanism and are used for driving the movement of the racing chassis. The compact structure design and the high-strength material are adopted, so that the weight of the chassis is reduced, and the structural firmness and durability are guaranteed.

The application provides a liquid-cooled wheel hub motor and belongs to the technical field of wheel hub motors. The wheel hub motor comprises a rim provided with a tire, an outer rotor fixed to the inner ring of the rim, hub end covers arranged on both sides of the rim, a motor cavity formed between the two hub end covers, an inner stator matched with the outer rotor arranged in the motor cavity, a wheel shaft capable of rotating arranged in the middle of the two hub end covers through bearings, a stator support disc fixed to the wheel shaft in the motor cavity, the inner stator comprising a stator core fixed to the outer edge of the stator support disc in the circumferential direction and a plurality of coil windings, a heat exchange cavity arranged in the inner part of the stator support disc, an inlet liquid flow channel and an outlet liquid flow channel communicated with the heat exchange cavity arranged at the end of the wheel shaft, a motor driver circuit board fixed to the stator support disc, a wire hole arranged at the end of the wheel shaft, and wires of the motor driver circuit board passing through the wire hole to the outside. The application has the advantages of high integration degree, good heat dissipation performance and the like.

The utility model relates to a steering wheel, in particular to a steering wheel with high stability, which comprises two fixing plates, a transmission system and a steering system, the transmission system and the steering system are arranged on the two fixing plates, the transmission system comprises a walking driving motor and a wheel arranged on one side of the walking driving motor, and an input shaft is arranged on the walking driving motor. An output helical-tooth sun gear, an output helical-tooth planet gear and an output helical-tooth gear ring are sequentially arranged on the outer side of the input shaft, the output helical-tooth sun gear and the output helical-tooth planet gear are each provided with a helical-tooth structure, and the steering system comprises a steering connecting flange and a steering driving motor fixed to the lower end face of the steering connecting flange; the output end of the steering driving motor is connected with a straight tooth gear, and a slewing bearing outer ring and a slewing bearing inner ring are sequentially arranged at the end, away from the steering driving motor, of the straight tooth gear. According to the steering wheel, the two sides of the wheel are supported through the two fixing plates, so that the bearing capacity is higher, and the overall stability is improved.

A power wheelchair includes a frame, a powertrain including a motor, gearbox, and powertrain suspension coupled to a drive wheel. The powertrain suspension includes a powertrain mount connected to the motor. The mount is pivotally connected to and resiliently supported by an upper link and a lower link for movement of the drive wheel relative to the frame. The power wheelchair further includes a base suspension connected between the frame and the caster support arms. The base suspension is dynamically controllable to vary caster suspension movements in response to sensor outputs to reduce pitching motions.

A steering module device for a vehicle can include a driving unit configured to provide a driving force to a wheel of the vehicle, a suspension unit connected to the driving unit and configured to absorb an impact transmitted from a road surface, and a steering unit connected to the suspension unit, rotatably installed below a frame module coupled to a vehicle body, and configured to adjust a steering angle of the wheel. According to the steering module device for a vehicle, the number and arrangement of first and second platforms can be adjusted, thereby improving the degree of freedom of design, and various types of PBV vehicles can be mass-produced.

A drive device of a rigid-axle electrified vehicle includes an electromotive drive unit, a final speed reducer, an axle housing, and a transmission shaft. The electromotive drive unit is provided in a vehicle body. The final speed reducer divides dynamic power from the electromotive drive unit to right and left drive wheels. The axle housing couples the right and left drive wheels and houses the final speed reducer. The transmission shaft transmits dynamic power from the electromotive drive unit to the final speed reducer. The axle housing supports the vehicle body through a suspension spring. The transmission shaft is disposed in a vehicle-width direction. A first end of the transmission shaft in the vehicle-width direction is coupled to the electromotive drive unit through a first joint. A second end of the transmission shaft in the vehicle-width direction is coupled to the final speed reducer through a second joint.

An electric drive system for a motor vehicle includes an electric motor and a planetary transmission stage. A rotor shaft is non-rotatably connected to a sun gear. A planet carrier has a carrier shaft arranged coaxially and axially adjacent to the rotor shaft. The carrier shaft is mounted relative to a housing by a first bearing. The housing has a circular opening through which the carrier shaft is guided. The housing has a first oil duct opening into the circular opening and the carrier shaft has a rotary feedthrough in the axial region of the opening relative to its axis of rotation. The carrier shaft has at least one first bore extending in the axial direction, which is connected at its one end to the rotary feedthrough. The rotor shaft has an axially extending second bore. The first bore is connected to the second bore.

To provide an active caster that facilitates replacement of a wheel. An active caster according to the present disclosure is adapted to enable steering of a single wheel by interference drive. An active caster includes a vertically extending steering axis, a horizontally extending axle, and a wheel connected to the axle. The active caster has both an offset s of the axle with respect to the steering axis T in a horizontal direction orthogonal to a direction in which the axle extends, and an offset d of the wheel with respect to the steering axis T in a direction in which the axle extends.

A drive device (1) has a motor (10), a reduction gear mechanism (11) lubricated with lubricating oil (90), and a housing (3) that accommodates at least one section of the reduction gear mechanism (11). The reduction gear mechanism (11) has a pinion (21) and a reduction gear (22). The reduction gear (22) has a cylindrical gear section (221) with a large diameter, the diameter of which is larger than that of the pinion (21), a shaft section (222) with an outer diameter smaller than that of the large-diameter gear section (221), and a disk section (223) located between the large-diameter gear section (221) and the shaft section (222). The pinion (21) engages with the large-diameter gear section (221).A part of the housing (3) is arranged inside the large diameter part (221), and in this part of the housing (3) a storage part (301) for storing the lubricating oil (90) is formed.

The application discloses a free-turning curved-surface adaptive magnetic adsorption wall-climbing robot and a control method, relates to the field of wall-climbing robots, and comprises a frame unit, a front driving mechanism and a rear driving mechanism. The front driving mechanism is used for driving the robot to move in a first direction. The rear driving mechanism is used for driving the robot to move in a second direction. The first direction and the second direction are perpendicular to each other in a horizontal plane. The rear driving mechanism comprises a rear driving motor, an omnidirectional wheel assembly, a central shaft and a suspension-type permanent magnet unit. The suspension-type permanent magnet unit is passively rotatably sleeved on the central shaft through a bearing and can rotate around the central shaft with the change of the curvature of a magnetic guide surface, so that the magnetic force direction always points to the normal direction of a wall surface. The omnidirectional wheel assembly is fixedly connected with the central shaft in a concentric mode. The application can realize in-situ turning without setting an independent turning motor. The rear driving mechanism integrates the functions of turning driving and curved-surface self-adaptive adsorption. The application has a compact structure, can adapt to complex wall surfaces such as curved surfaces, and has stable adsorption and strong passability.

The application discloses a light-heat integrated machine and particularly relates to the technical field of photovoltaic power generation, and comprises a light-heat integrated machine body, two photovoltaic panels are fixedly installed on the top of the light-heat integrated machine body, a heat dissipation opening is arranged on one side of the top of the light-heat integrated machine body, the number of the heat dissipation openings is multiple, a chassis is fixedly installed at the bottom of the light-heat integrated machine body, protection baffles are fixedly installed on the front and back sides of the chassis, stationary hydraulic cylinders are fixedly installed at four corners of the chassis, stationary piles are fixedly installed at the bottom ends of output shafts of the stationary hydraulic cylinders, a steering hydraulic cylinder is fixedly installed at the center of the bottom of the chassis, and a connecting seat is fixedly installed at the bottom end of an output shaft of the steering hydraulic cylinder. The light-heat integrated machine is provided with the structures of the stationary hydraulic cylinders, the stationary piles, the steering piles and the walking motors, so that the light-heat integrated machine can realize automatic movement, is convenient to transfer, does not need to be carried by means of auxiliary equipment and is very convenient, and thus is convenient to use and popularize.

The present application provides an electric vehicle and a manufacturing method thereof, which is configured to reduce the bearings, gears, and brakes arranged on the outside of rotating parts, and reduce the heat generation. The outer ring of the wheel is formed by a sliding bearing, and the inner ring opposite to the outer ring is supported by a support frame of a suspension device, and is provided with a stator constituting a motor. The rotor opposite to the stator of the inner ring is arranged on the other outer ring. The brake device is arranged on the outside of the sliding bearing and the outer ring, and can clamp the brake disc on the inner ring.

A vehicle includes a wheel, a rotor, and a stator. The wheel is provided in a wheel space that opens in a side surface of a body. The rotor is provided in an internal space of a rim of the wheel. The stator includes a blocking plate configured to block the internal space. The rotor includes rotating vanes arranged along a rim surface of the rim. The rotating vanes cause air in a central region of the wheel to flow toward the rim surface when the wheel rotates in a forward direction. The stator includes a hollow cylinder and an exhaust nozzle. The hollow cylinder projects outward from the blocking plate and is interposed between the rim surface and the rotating vanes. The exhaust nozzle has an opening in the blocking plate, is disposed on an inner surface of the blocking plate, and extends rearward from the opening.

A motorized wheel hub comprising: a central supporting body structured to be fixed to a vehicle suspension; an electric motor for auto-traction supported by the central supporting body and structured to support and drive into rotation a wheel of the vehicle about a wheel rotation axis; and a spherical electromagnetic rotary actuator interposed between the electric motor and the central supporting body, structured to vary the orientation of the electric motor with respect to the central supporting body.

The application discloses a high-integration angle module for an agricultural vehicle and relates to the technical field of agricultural machinery equipment. The application comprises a framework body, a steering unit is installed at each corner of the framework body, a suspension unit is installed at the output end of the steering unit, a wheel hub motor driving unit is rotatably installed on the suspension unit, the steering unit drives the wheel hub motor driving unit to perform steering control by applying a rotating torque to the suspension unit, wherein the suspension unit comprises a supporting suspension fixed at the output end of the steering unit, and a trailing arm is hingedly connected to the bottom end of the supporting suspension. The application performs geometric optimization design on the suspension unit, the center of the wheel shaft is downwardly offset relative to the main axis of the trailing arm to form a gravity center sinking structure, the upper mounting point of an elastic return member is lowered to shorten the force arm, the vertical displacement amount of the center of the wheel hub motor driving unit is greater than the compression deformation amount of the elastic return member, and the ability of the vehicle to cross obstacles and the passability of the vehicle on complex terrains are significantly enhanced in limited installation space.

This application provides a power assembly and a vehicle, and relates to the field of driving technologies. The power assembly includes a housing (30), a first rotating shaft (10), a second rotating shaft (20), and a preloaded part (40). The first rotating shaft (10) is located in the housing (30) by using two bearings (01 and 02), the second rotating shaft (20) is located in the housing (30) by using one bearing (03), and the second rotating shaft (20) can slide in an axial direction. A first coupling portion (11) is disposed on the first rotating shaft (10), a second coupling portion (21) is disposed on the second rotating shaft (20), and the first coupling portion (11) is coupled to the second coupling portion (21), so that the first rotating shaft (10) and the second rotating shaft (20) rotate synchronously. A first concentric surface (12) oblique to an axis center of the first rotating shaft (10) is disposed at a second end of the first rotating shaft (10), and a second concentric surface (22) oblique to an axis center of the second rotating shaft (20) is disposed at a fourth end of the second rotating shaft (20). The preloaded part (40) is configured to apply acting force to the second rotating shaft (20), so that the first concentric surface (12) abuts against the second concentric surface (22), to effectively ensure concentricity between the first coupling portion (11) and the second coupling portion (21), thereby resolving a problem that the power assembly has a complex structure and high processing precision, and is prone to vibrate.

This application discloses a hydraulic drive device for heavy-duty trucks, comprising: a slewing mechanism, which includes an upper support, a slewing bearing, and a first drive mechanism, the slewing bearing being mounted on the upper support and the first drive mechanism being connected to the slewing bearing; a traveling mechanism, which includes wheels, an axle, and a second drive mechanism, the wheels being symmetrically arranged at both ends of the axle and the second drive mechanism being connected to the axle; a lifting mechanism, which includes a lower support and a third drive mechanism, one end of the lower support being mounted on the second drive mechanism and the other end of the lower support being movably connected to the upper support, the third drive mechanism being vertically mounted on the lower support and its drive end being fixedly connected to the upper support; and a hydraulic system, which is connected to the first drive mechanism, the second drive mechanism, and the third drive mechanism. This application drives the steering, traveling, and lifting of the heavy-duty truck through a hydraulic system, thereby enabling a wide range of stepless speed regulation during operation.

The application discloses a kind of high stability four-wheel omni-directional battle competition robot, including bottom bearing base, drive walking wheel assembly, power supply module, integrated attack and defense shovel, middle support protection frame, drive motor assembly, environmental perception sensor module and control module.Bottom bearing base is fixedly connected with middle support protection frame through side anti-collision support vertical plate to form cage frame;Drive walking wheel assembly is installed at the four corners of bottom bearing base, including drive walking wheel disc and walking wheel non-slip tire;Integrated attack and defense shovel is arranged at the rear of frame through attack and defense shovel mounting seat;Control module is installed in the inside of middle support protection frame;Power supply module is installed in side anti-collision cavity, and battery module is arranged in the inside thereof.The cage frame, modular layout and integrated shovel structure of the present application realize the high stability and multifunctionality of robot in high-intensity competition.

This invention relates to a hub-driven electric wheel structure with an integrated disc brake, comprising an electric wheel housing. Within the housing are an outer rotor of a motor, a motor stator, a ventilated brake disc, and an aluminum alloy inner brake caliper. A heat insulation device is provided between the outer circumference of the ventilated brake disc and the electric wheel housing, and a heat insulation baffle is provided between the ventilated brake disc and the motor dynamic seal. The aluminum alloy inner brake caliper is disposed within the inner circumference of the ventilated brake disc, forming a brake assembly. Compared with existing technologies, this invention effectively solves the problem of brake thermal management through structural integration and material innovation, improves motor reliability and system power density, and enables a lightweight, high-thermal-isolation hub-driven electric wheel.

The present application relates to mountain bike, disclose a kind of variable structure all-terrain mountain mobile platform, including frame, both ends of frame are equipped with wheel leg assembly, wheel leg assembly includes axle beam and wheel leg component, both ends of axle beam are equipped with wheel leg component;It further includes multiple span adjuster, span adjuster is installed on frame and is matched with wheel leg assembly one by one, wheel leg assembly further includes telescopic beam, one end of telescopic beam is hinged in the middle of axle beam by bearing group, both ends of frame are provided with jack, the push rod of span adjuster is connected with telescopic beam and drives its telescopic in jack.It realizes the stepless regulation of wheel track and wheelbase, enhances the passability and stability of platform under different terrain;With the profiling swing function of axle beam, height difference can be automatically compensated according to terrain fluctuation.The double regulation mechanism ensures that each wheel leg assembly has sufficient adhesion, solves the stability and power transmission problem of platform when driving in rugged mountainous environment.

This utility model relates to a heavy-duty transport AGV, and more particularly to a heavy-duty transport AGV with a lifting platform function. It includes a chassis frame with a fully load-bearing frame structure for the entire vehicle mounting base. At both ends of the chassis frame along its length are respectively arranged a rear drive module (a first steering drive wheel set and a first steering wheel set) and a front drive module (a balance mechanism drive wheel set). A hydraulic lifting device is arranged in the middle. A lifting platform is mounted on the hydraulic lifting device. A power battery pack is arranged on the left side of the hydraulic lifting device. Four sets of electronic control components are arranged within the long frame of the chassis frame. An exterior protective cover and a safety navigation device to ensure safe operation of the vehicle are provided on the outer perimeter of the chassis frame.

To provide an active caster adapted to suppress the decline in the driving performance. An active caster according to the present disclosure includes: a wheel; a first rotation transmission mechanism; and a second rotation transmission mechanism. A rotational force of a motor is transmitted to a rotation of the wheel about a pivot axis along a vertical axis via the first rotation transmission mechanism, the rotational force of the motor is transmitted to the rotation of the wheel about an axle via the first rotation transmission mechanism and the second rotation mechanism, and r / G>s holds true, where s>0 represents an offset of the axle from the pivot axis in a horizontal direction orthogonal to the axle, G represents a reduction ratio of the second rotation transmission mechanism, and r represents a radius of the wheel.

An embodiment driving module includes a drive unit including a wheel and a drive motor configured to operate the wheel, a suspension unit having a first side coupled to the drive unit, and a steering unit configured to steer the wheel and having a side coupled to a second side of the suspension unit.

A steering and suspension system for steering a wheel for a vehicle may include: a rubber torsion suspension connecting the wheel and a vehicle body and configured to alleviate shock transferred from a road surface to the vehicle body through the wheel, a bevel gear provided in an upper portion of the rubber torsion suspension and configured to axially rotate and turn together with the rubber torsion suspension when the vehicle turns, and a gear rotation guide engaged with the bevel gear and configured to guide a moving path of the bevel gear and the rubber torsion suspension when the bevel gear axially rotates and turns.