363 results about "Kingpin" patented technology

“THREE-DIMENSIONAL MONITORING SYSTEM FOR KINGPIN ON FIFTH WHEEL” describes an invention patent, for a monitoring system of Kingpin / Fifth Wheel articulation presented on trucks, with a great applicability for autonomous steering systems and vehicle dynamics control. This system allows the precise monitoring of translational, rotational movements and the relative accelerations of the king pin (5) in relation to the fifth wheel (3) on the X, Y and Z axes, totaling measurements in six degrees of freedom. The present patent presents two ways to make this monitoring of the three-dimensional position of the kingpin (5): The first through a set of sensors (6) accelerometers and gyroscope integrated to an electromagnet (4) that when electrified, is coupled to the king pin (5) by magnetic attraction. The second mode through a reference device (20) that is magnetic, identifiable, independent and easy to apply to the kingpin (4).

The invention is suitable for the technical field of automobile chassis, and provides an angle module system and a modular extensible chassis, and the angle module system adopts an unequal-length double-wishbone suspension and has good geometric kinematics characteristics. And the offset distance of the main pin is reasonably controlled through the design of steering knuckle parts. By adopting the angle module bracket, the efficient integration of the driving unit and the frame structure is realized, the number of connecting points of the angle module system and the chassis is reduced, and the serialization, integration and modularization of the chassis system are facilitated. A distributed main pin steering gear is adopted, and the geometrical shape design of upper and lower control arms of the suspension is matched, so that wheels have a larger turning angle range, and the maneuverability is improved. In addition, the modular extensible chassis adopts modular design, and the number of shafts can be flexibly configured according to carrying requirements.

The present invention discloses a method for suppressing shimmy in a dual-winding, wire-controlled kingpin steer system. The method comprises: establishing mathematical models of a four-wheel independent steering vehicle and a dual-winding kingpin steer system; subtracting the real-time yaw angular velocity of the vehicle body from the actual yaw angular velocity to obtain body shimmy data; calculating four different wheel angle values ​​in the wire-controlled kingpin steer system for suppressing body shimmy; calculating current control signals for the first set of windings of different dual-winding permanent magnet synchronous motors in the wire-controlled kingpin steer system; calculating current control signals for the second set of windings of the dual-winding permanent magnet synchronous motors; and applying the different winding current control signals to the dual-winding permanent magnet synchronous motors to achieve shimmy suppression control of the dual-winding, wire-controlled kingpin steer system. The method effectively suppresses the coupling of body and wheel-end shimmy through decoupling control between different windings, improving the efficiency of vehicle coupled shimmy suppression and enhancing the anti-interference capability and robustness of wheel angle tracking.

The invention discloses a dual steering module integrating active camber and active toe-in functions and a control method thereof. The module comprises a wheel assembly, a first steering system, a second steering system and a suspension system. The double steering systems of the module are independent steering systems and have different kingpin positioning parameters, and decoupling control over wheel camber, wheel toe-in and a vehicle target turning angle can be achieved through relative rotation of the two steering systems. A master pin of the first steering system is perpendicular to a wheel grounding point, the toe-in angle of a wheel can be independently adjusted, the master pin can serve as a redundant backup of the second steering system, and the driving safety of the vehicle is improved. The second steering system serves as a main steering system, has reasonable main pin positioning parameters and can be matched with the first steering system to achieve camber angle adjustment of wheels. According to the module, active adjustment of the camber angle and the toe-in of the wheel can be achieved only through two sets of steering systems, and the control boundary of the vehicle is effectively expanded.

The invention relates to a wheel side speed reduction driving integrated assembly coupling kingpin steering and steering trapezoid, and relates to the technical field of automobile wheel side driving suspension assembly angle modules. A wheel-side speed reduction driving integrated assembly coupling kingpin steering and a steering trapezoid comprises a driving motor, a wheel-side speed reducer and a steering knuckle, the upper end and the lower end of the steering knuckle are rotationally connected with an upper control arm and a lower control arm respectively, and the upper end of the steering knuckle is connected with a kingpin steering mechanism. The upper control arm is connected to the kingpin steering mechanism, the kingpin steering mechanism drives the steering knuckle to rotate around the axis of a kingpin, a vertical connecting rod is connected to the upper portion of the lower control arm, the upper end of the vertical connecting rod extends in the longitudinal direction of a vehicle to form a proportional connecting rod, and a spring shock absorber is hinged to the end of the proportional connecting rod. And the middle part of the proportional connecting rod is connected with the vehicle body. The large-angle steering device has the advantages that space layout optimization is achieved, motion interference among all components is avoided, and the large-angle steering effect can be achieved.

The invention discloses a high-voltage lithium battery cross-country telescopic arm type forklift which comprises a chassis driving part, a front driving steering axle and a rear driving steering axle, wherein the chassis driving part comprises a reduction gearbox, a traction motor is directly mounted on the front driving steering axle, and the rear driving steering axle is connected with an output flange at the lower end of the reduction gearbox through a transmission shaft; the front drive steering axle and the rear drive steering axle are both steering drive axles, an electric push rod can drive a clutch to achieve four-wheel-drive and two-wheel-drive function switching, steering of the front drive steering axle and the rear drive steering axle can be independently controlled, three modes of independent front wheel steering, crab-shaped steering and four-wheel concentric steering are achieved, and a steering kingpin-mounted angle sensor monitors the steering angle of wheels. According to the invention, the chassis driving part adopts the front driving steering axle and the rear driving steering axle which are integrated with the reduction gearbox, the traction motor is directly connected with the front axle and the reduction gearbox, and power transmission is realized through the transmission shaft. Meanwhile, the electric push rod controls the clutch, the four-wheel drive mode and the two-wheel drive mode can be rapidly switched, and the power requirements under different working conditions are met.

A trailer having an adjustable form factor is provided. The trailer includes a first box portion defining a first space and a second box portion defining a second space, wherein the first box portion is attached to the second box portion and configured to at least partially move into the second space to adjust a length of the trailer. The trailer further includes a kingpin attached to the first box portion and configured to engage a fifth wheel coupling of a vehicle and a wheel assembly attached to the second box portion.

The invention discloses an agricultural machinery steering axle tube beam formed by a seamless steel tube and a manufacturing method thereof, and relates to the technical field of engineering machinery parts, the agricultural machinery steering axle tube beam is of a symmetrical variable cross-section variable wall thickness hollow rectangular structure, is composed of a tube beam middle part, a tube beam neck part and tube beam two ends, and is in an inverted convex shape with a flush upper surface, consistent width and a raised middle lower part. The middle size of the tubular beam meets performance requirements and oil cylinder support mounting requirements, and a round hole for mounting a supporting bearing seat is formed in the tubular beam; the lower surfaces of the two ends of the tubular beam are higher, and arc-shaped grooves welded with main pin seats are formed in the outer sides; the upper surface and the width of the neck of the tubular beam are unchanged, and the lower surface gradually rises through two transition arcs and is connected with the middle of the tubular beam and the two ends of the tubular beam respectively. The pipe beam is manufactured by heating, reducing, bending, pressing and machining a seamless steel pipe, the impact resistance of a product is good, the weight is reduced by more than 15% compared with that of a welding structure, the material utilization rate reaches 95%, and the universality is high.

An over actuated system capable of controlling wheel parameters, such as speed (e.g., by torque and braking), steering angles, caster angles, camber angles, and toe angles, of wheels in an associated vehicle. The system may determine the associated vehicle is in a rollover state and adjust wheel parameters to prevent vehicle rollover. Additionally, the system may determine a driving state and dynamically adjust wheel parameters to optimize driving, including, for example, cornering and parking. Such a system may also dynamically detect wheel misalignment and provide alignment and / or corrective driving solutions. Further, by utilizing degenerate solutions for driving, the system may also estimate tire-surface parameterization data for various road surfaces and make such estimates available for other vehicles via a network.

The present invention relates to a kingpin (1) for a semitrailer of a semi-trailer vehicle, which extends substantially along a longitudinal axis (X), with at least one wear detection means arranged in the kingpin (1) perpendicular to the longitudinal axis (X) such that wear of the kingpin (1) perpendicular to the longitudinal axis (X) can be detected optically and / or by sensors. The kingpin (1) is characterized in that the wear detection means comprises: • at least one wear element (11c, 12c) which is arranged in and / or on the kingpin (1) perpendicular to the longitudinal axis (X) such that wear of the kingpin (1) perpendicular to the longitudinal axis (X) equally wears the wear element (11c; 12c), wherein the wear element (11c, 12c) is arranged in the circumferential direction (U) at least partially, preferably completely, around the kingpin (1) • at least one cavity (11a, 11b, 12a, 12b, 14c) which extends in the circumferential direction (U) corresponding to the wear element (11c, 12c), wherein the cavity (11a, 11b, 12a, 12b, 14c) is closed fluid-tight by the wear element (11c, 12c), preferably perpendicular to the longitudinal axis (X), wherein the cavity (11a, 11b, 12a, 12b, 14c) contains a fluid at overpressure, and • at least one pressure sensor (16) which is designed to detect the pressure of the fluid in the cavity (11a, 11b, 12a, 12b, 14c), wherein the wear element (11c, 12c) is dimensioned perpendicular to the longitudinal axis (X) in such a way that the fluid can escape through a through-opening of the wear element (11c, 12c) created due to wear when a wear limit of the kingpin (1) is reached at this point on the kingpin (1).

The invention discloses an electronic wedge brake system of a sprung actuator. An angle module part, a vibration reduction system, an electronic wedge brake system, a wheel unit and a steering system are integrated. The system executes braking work completely through a mechanical and electrical integration device, compared with an electro-hydraulic braking system, a hydraulic pipeline device is omitted, and the system has the advantages of being few in structural parts and high in response speed; compared with an existing electronic mechanical braking system, the scheme of the sprung actuator is adopted in the system, the braking execution motor and the planetary gear reducer are installed on the angle module supporting arm, braking torque is transmitted to the electronic wedge-shaped braking device through the universal transmission device, and the electronic wedge-shaped braking device is made to complete service braking work. And meanwhile, the electronic wedge-shaped braking device is arranged on the virtual main pin axis, and the problem that braking torque transmission is unstable under the steering working condition can be effectively solved. According to the system, unsprung mass can be effectively reduced, the driving operation stability is improved, the wheel side space is saved, and the arrangement problem of all systems of a distributed driving wheel side is solved.

The invention discloses an unmanned engineering machinery steer-by-wire system and a control method in the technical field of vehicle chassis and steering systems. The unmanned engineering machinery steer-by-wire system comprises four wheels and steering modules, wherein the steering modules are in one-to-one correspondence with the four wheels, are completely independent and have the same structure; the corner deflection of the four wheels is cooperatively controlled through a distributed electronic control system; and each wheel is driven by a hub motor. Through four-wheel steering, the minimum turning radius can be 0 m, the trafficability in narrow roadways, sidewalks and obstacle dense areas is improved, meanwhile, four-wheel steering is independently controlled, special movement forms such as transverse translation and oblique advancing are supported, and the four-wheel steering robot is particularly suitable for high-precision operation requirements such as urban road edge stone attaching and sweeping; four-wheel independent main pin steering is combined with a hub motor and distributed redundancy control, so that the reliability, the function safety and the maintainability of the system are remarkably improved, and the system is particularly suitable for unmanned engineering machinery to work for a long time in narrow, complex and severe environments.

The present disclosure provides a vehicle and a control method, a control apparatus, and a storage medium thereof. The method includes: obtaining a wheel speed difference at a current vehicle speed when it is determined that a steer-by-wire system of the vehicle is failed; obtaining a positive kingpin offset value; and determining, based on the wheel speed difference and the positive kingpin offset value, a target steering angle of a vehicle wheel, and controlling the vehicle wheel based on the target steering angle. The method provided in the present disclosure can enables steering control of the vehicle based on the wheel speed difference and a positive kingpin offset when the steer-by-wire system fails, and no additional components are required. In this way, an off-system backup for the failed steer-by-wire system is achieved, improving vehicle safety and reducing costs.

Fifth wheel coupling with a camera (30) comprising a coupling plate (10) and a bearing element (20) with which the coupling plate (10) can be fastened to a towing vehicle, wherein the coupling plate (10) has a centrally arranged locking region (11) for receiving a kingpin and an entry opening (12) running in a longitudinal axis (x), which is delimited on both sides by two entry horns (13a, 13b), characterized in that the camera (30) is fastened to the bearing element (20).

The invention relates to a telescopic steering engine assembly and a steering system, and relates to the technical field of vehicle steering engines. A telescopic steering gear assembly comprises an input gear and an output rack, the input rack is meshed with the output gear and can move in the axial direction under driving of the input gear, the telescopic steering gear assembly further comprises at least one telescopic pull rod, the telescopic pull rod is connected with the end of the output rack and can slide in the axial direction of the output rack, and the telescopic pull rod is connected with the end of the output rack and can slide in the axial direction of the output rack. A locking mechanism is installed at the end of the output rack and used for selectively locking or unlocking the telescopic pull rod and the output rack. A steering system comprises a wheel drive unit and a steering engine assembly, the telescopic pull rod is connected with a steering knuckle of the wheel drive unit, and the wheel drive unit is provided with a kingpin steering mechanism. The steering engine has the advantages that the movement stroke of the steering engine is controllable, and diversified steering modes can be flexibly switched.

This invention discloses a calibration unit for a constant velocity universal four-wheel alignment instrument with a hinged rod, belonging to the field of transportation technology. It includes a unit base, a drive motor mounted on one side of the unit base, a constant velocity rotating seat mounted above the unit base, a kingpin assembly mounted above the constant velocity rotating seat, half-shaft assemblies snapped onto both sides of the kingpin assembly, and angle adjustment assemblies sleeved above the kingpin assembly. Two angle adjustment assemblies are included, each comprising an angle adjustment base, an angle adjustment drive arm, an angle adjustment hinge plate, an angle adjustment kingpin sleeve, and an angle adjustment lever. The upper surface of the unit base is movably connected to the lower surface of the angle adjustment base. The inner side of the angle adjustment base is fitted to one end of the angle adjustment drive arm, and the other end of the angle adjustment drive arm is connected to the angle adjustment lever. The end of the angle adjustment lever away from the angle adjustment drive arm is connected to the angle adjustment hinge plate, and the inner side of the angle adjustment hinge plate is connected to the angle adjustment kingpin sleeve. This invention uses a constant velocity universal joint with a hinged rod, improving measurement accuracy.

The application discloses a kind of barrier type mudguard support and design method, mainly related to commercial vehicle chassis support design technical field.Main body structure includes pedestal, mudguard mounting support, pivot mechanism, reset spring and fastening kingpin, the mudguard mounting support is rotatably connected on pedestal by pivot mechanism and fastening kingpin, one end of the reset spring is fixed on mudguard mounting support and the other end is detachably connected with pedestal.The beneficial effects of the application are that it can realize contact barrier swing arm, automatic reset support while the reliability of mudguard support, vibration response performance has significant improvement.

One variation of a method includes, during a first time period: detecting a direction of motion of a trailer; detecting a first force applied to a kingpin; detecting an incline angle of the trailer; calculating a first target preload force opposite the direction of motion and inversely proportional to the incline angle; and in response to the first force falling below the first target preload force, triggering a motor to increase torque output opposite the direction of motion. The method further includes, during a second time period: detecting a second force applied to the kingpin; detecting a decline angle of the trailer; calculating a second target preload force opposite the direction of motion and inversely proportional to the decline angle; and in response to the second force falling below the second target preload force, triggering the motor to increase torque output opposite the direction of motion.

The invention relates to a paddy field light chassis space six-connecting-rod steering trapezoidal control system and method based on a kingpin inclination angle. The system comprises a paddy field light chassis, a steering trapezoidal control system and a steering trapezoidal control system, wherein the paddy field light chassis is used for mounting a paddy field agricultural implement; the space six-connecting-rod steering trapezoid is arranged below the front end of the paddy field light chassis and used for steering the paddy field light chassis; the electronic gyroscope is arranged in front of the space six-connecting-rod steering trapezoid and used for measuring main pin inclination angle data and inner and outer steering wheel rotation angle data; the vehicle-mounted embedded microcontroller is arranged on the light chassis of the paddy field, is respectively connected with a steering wheel and an electronic gyroscope which are arranged on the light chassis of the paddy field, and is used for turning the electronic gyroscope after receiving a steering command of the steering wheel; according to the main pin inclination angle data and the steering wheel steering input data collected in real time, the steering angle is calculated according to the steering trapezoid two-dimensional kinematics control model, and then the steering angle is sent to the space six-connecting-rod steering trapezoid to conduct steering action, the sideslip phenomenon in paddy field operation is effectively restrained, and the operation precision of agricultural implements is guaranteed.

Articulated vehicles and trailers configured for highway transportation, where the tractor of the articulated vehicle is configured to operate in an autonomous mode. In such articulated vehicles, the trailer can be removably coupled to the tractor via a kingpin. The tractor, when coupled to the trailer via the kingpin, and aligned with the trailer, fits entirely beneath the trailer, the tractor being operable to tow the trailer when coupled to the trailer.

The invention discloses a high-integration driving unit with an active variable geometric positioning parameter function. The high-integration driving unit is mainly composed of a wheel assembly, a suspension system, a first actuator and a second actuator. The actuator is arranged on the upper control arm, so that the mechanical load borne by the actuating mechanism during working is effectively reduced. The interior of the actuator is driven by a self-locking mechanism, continuous energy consumption is not needed when positioning parameters are maintained, and the steady-state power consumption of the system is remarkably reduced. In the aspect of mechanism connection, through combined arrangement of kinematic pairs, accurate matching of the degree of freedom of movement of the mechanism is achieved, the problems of interference and movement uncertainty in the adjusting process are effectively solved, and the accuracy of action execution is ensured. The unit integrates the functions of steering, active variable camber, active variable kingpin caster angle and fault tolerance. Dynamic real-time adjustment of geometric parameters is achieved through the compact structural layout, the vehicle control limit and stability are improved, and meanwhile the space utilization rate and work reliability are extremely high.

An electric vehicle is provided with: a drive device provided with an electric motor and a speed reducer that transmits rotation generated by the electric motor to a drive shaft; and a steering mechanism that controls a steering angle of the front wheel in accordance with an operation of the steering wheel. The battery is disposed between the driver's seat and the passenger seat across the front and back of the cab. The driving device is of a single-shaft structure and is arranged between the front wheels. The steering mechanism includes a transmission portion, a tie rod, an intermediate shaft, a kingpin, and a suspension arm. The tie rod is connected to the hub frame at a position forward of the kingpin relative to the vehicle. The intermediate shaft connects the steering wheel and the transmission unit through a side surface of the drive device in the vehicle width direction.

The invention provides a method and device for determining vehicle rack force and related equipment. On one hand, the stress conditions of two steering wheels on a steering shaft are firstly obtained, then the master pin total torque of the steering shaft is determined on the basis of the stress conditions of the steering wheels in combination with master pin parameters of the steering shaft, and the first rack force of the steering shaft is determined from the mechanical angle according to the master pin total torque; on the other hand, the second rack force of the steering shaft can be determined from the angle of kinematics according to the motion data of the target vehicle; on the other hand, the third rack force of the steering shaft can be determined from the angle for driving the steering shaft according to the output condition of the steering motor of the steering shaft. That is to say, when the rack force of the steering shaft is estimated, three times of rack force estimation can be carried out from three angles of kingpin stress, kinematics and a driving motor, and then the actual rack force is determined by integrating the rack force estimated for three times based on the actual situation of the vehicle. Thus, the rack force is determined by integrating multiple aspects, and the accuracy of the rack force can be improved.

This disclosure provides a conveyor system having a track bogie with a pair of continuous tracks. A conveyor chassis is rotatably connected with the track bogie. A pivotal king pin is positioned between the continuous tracks and operable for pivoting between a raised position and a lowered tow position, the raised position allowing for operation of the continuous tracks on a ground surface and the lowered tow position allowing for connection with a tow vehicle.

The mechanism (100) for a striking timepiece includes a first, and a second cannon pinions, a geared connection (14,15,21) between the first (1) and second (2) cannon pinions, and—a device (16) for compensating clearance in the geared connection. The geared connection (14,15,21) includes a first gear (15) attached to the first cannon pinion (1),—a second gear (14) mounted pivotably relative to the first cannon pinion, and—a third gear (21) attached to the second cannon pinion (2). The first and second gears mesh with the third gear, and the clearance compensation device (16) in the geared connection is arranged so as to exert a return force from the first and second gears against the opposing faces of at least one tooth of the third gear (21) and / or—the adjacent faces of at least two consecutive teeth of the third gear (21).

A suspension device includes: a drive unit mounted inside a wheel; a first knuckle connected to the driving unit to rotate about a first axis; a second knuckle connected to the first knuckle to move along a second axis spaced apart from the first axis; a first suspension arm connected to the second knuckle to support the second knuckle with respect to a vehicle body; and a restricting member connected to the first suspension arm to restrict rotation of the second knuckle about the second shaft. A suspension device capable of reducing a kingpin offset value and improving driving stability of a vehicle by disposing a first shaft serving as a steering shaft of a wheel at a position relatively close to the wheel. A suspension device according to the present disclosure may absorb relative displacement between a second knuckle and a first arm body / limiting link due to a caster angle of a second shaft during a suspension behavior of a wheel through a first joint and a limiting joint.

A drive plate assembly for a king pin removal tool comprising a drive member, the drive plate assembly comprises a drive plate and an insert. The drive plate defines a main opening and a flange recess. The insert comprises a shaft portion and a flange portion and defining a drive opening. The insert is arranged such that the shaft portion is within the main opening, the flange portion is within the flange recess, and the drive member is adapted to be threaded into the drive opening. When the drive member is received within the drive opening and axially rotated relative to the insert, a drive force applied by the drive member forces the flange portion of the insert against a surface of the drive plate defining at least a portion of the flange recess.

An axle assembly for a vehicle comprising: a steering cylinder; a housing; a steering knuckle, the steering knuckle having a first extension and a second extension; a first tie rod assembly connectable to the steering cylinder and pivotally coupled to the first extension; and a second tie rod assembly connectable to a draw bar of the vehicle and pivotally coupled to the second extension. The steering knuckle comprising: a core, the core including a first hole, the first hole extends along a first axis through the core; the first extension, the first extension extending away from the core and connected to a first side of the core; and the second extension, the second extension extending away from the core and connected to a second side of the core; where the first side is opposite to the second side, and the first hole houses a kingpin that is fit thereto.

The utility model relates to a hanging device for non-standard basket pulley head of shallow silo inclined roof, which comprises a parapet slope, a shallow silo trestle column is vertically installed at the lower right end of the parapet slope, and a basket working steel wire rope is wound around the outer surface of the shallow silo trestle column, a runway hole is formed in the connecting bottom plate, and the inside of the runway hole is fixed on the parapet slope through an M12 expansion nut, the pulley body is fixedly connected to the inner wall of the fixed side plate through a kingpin, and the U-shaped rope clamp groove penetrates the U-shaped rope clamp plate. The hanging device for non-standard basket pulley head of shallow silo inclined roof meets the safety requirements in the operation process of the basket, does not need to install a front support, is easy to install for an operator, reduces the work of installing a counterweight block for a standard basket, is convenient to disassemble in the later period, can be taken down after the M12 expansion nut is loosened, can be recycled, only needs to replace the expansion bolt, and has low cost.

The present application relates to a kind of automobile steer-by-wire compact self-returning steering gear, including steering gear housing, rack, return spring, spring guide seat, adjusting nut, bearing bush end cover, two sides of tie rod and accessory parts, steering gear, bearing, two-stage planetary reducer and its accessory parts, motor and necessary fastener.Motor torque output, after two-stage planetary reducer deceleration and torque increase, is transmitted to steering gear, and the rotary torque of steering gear is converted into the translation lateral force of rack by gear rack way, and steering wheel is pushed around kingpin line by the tie rod of both ends to complete steering movement, realizes the basic function of steer-by-wire steering gear.The structure of the present application is simple, parts are compact, response speed is high, service life is long, mass is small, transverse and vertical space occupation is small;Its self-returning angle can reach 30 °, and considerable return force in small angle range 3-5 °, can realize complete return, greatly guarantees the driving safety of automobile.