254 results about "Kingpin" patented technology

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 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.

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.

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.

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.

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 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.

A vehicle system for determining a road wheel angle of a vehicle includes sensors configured to detect vehicle parameters including at least a steering rack load on a steering rack of the vehicle, and a control module in communication with the sensors. The control module is configured to calculate a kingpin torque based on the sensed steering rack load and a wheel-to-body displacement of the vehicle, determine a roll steer angle based on the wheel-to-body displacement of the vehicle, determine a road wheel angle of the vehicle based on the roll steer angle and the kingpin torque, and generate a signal indicative of the road wheel angle to control at least one vehicle control system. Other example vehicle systems and methods for determining a road wheel angle of a vehicle are also disclosed.

A simulator is provided. The simulator includes a kingpin configured to couple to a fifth-wheel of a vehicle, a vertical actuator attached to the kingpin and configured to vertically actuate the kingpin, a horizontal actuator attached to the vertical actuator and configured to horizontally actuate the kingpin, and a simulation controller communicatively coupled to the vertical actuator and the horizontal actuator. The simulation controller is configured to retrieve predefined scenario data from a memory device and control the vertical actuator and the horizontal actuator based on the predefined scenario data to simulate mechanical effects of a trailer on the vehicle.

A dual-mode active rear-wheel steering device based on a multi-linkage mechanism, including: a steering angle control motor with a speed-reduction mechanism, a multi-linkage mechanism assembly for converting rotational motion of the steering angle control motor into linear motion of an end of the push rod, a steering actuating mechanism for converting linear motion of the multi-linkage mechanism assembly into rotation of a knuckle around a kingpin to make the rear wheels steer, a first electromagnetic pin puller and a second electromagnetic pin puller respectively configured to control a first extendable-retractable push rod assembly and a second extendable-retractable push rod assembly to work at a fixed or variable axial length. The device uses the steering angle control motor to drive the two rear wheels to turn in the same direction or opposite directions through the control of energized state of the two electromagnetic pin pullers.

The invention provides a kingpin assembly for a commercial vehicle and the vehicle. The rolling parts are arranged at the two ends of the main pin and matched with the thrust tapered roller bearings, the rolling parts are used for bearing loads in the radial direction of the main pin assembly, and the thrust tapered roller bearings are used for bearing loads in the axial direction of the main pin assembly. According to the kingpin assembly of the structure, loads from all system directions of the vehicle can be effectively decomposed to the rolling part and the thrust tapered roller bearing, and the problem that the kingpin assembly is pressed due to the fact that the same bearing component is subjected to excessive loads at the same time is effectively solved. According to the main pin assembly, the bearing capacity of the main pin assembly can be further improved, meanwhile, the main pin assembly adopting the structure is simple in structure and convenient to install, the safety performance of a vehicle with the main pin assembly is effectively improved, the main pin assembly can be particularly suitable for a heavy-load commercial vehicle, and the practicability of the main pin assembly is further improved.

The application provides a hollow front axle of a micro-light truck with a shock absorber hole and a manufacturing method thereof, and belongs to the technical field of automobile parts, comprising a hollow axle body, a shock absorber ring, a steering limiting block and a fist end plugging. The hollow axle body comprises a middle beam, a bent neck and a fist. The two ends of the middle beam are provided with the bent necks, the end of the bent neck is provided with the fist, the inside of the fist is provided with a rectangular hole, the rectangular hole is welded solid through the fist end plugging, the fist is provided with a king pin hole for installing a king pin, the king pin hole is provided with a lock pin hole along the axial direction, the rear side of the fist is provided with a limiting block groove, and the limiting block groove is embedded and welded with the steering limiting block. The end of the bent neck is provided with the shock absorber hole, the front and rear sides of the end of the bent neck are provided with blind holes, and the front and rear sides of the blind holes are welded with the shock absorber ring. The shock absorber hole is processed on the solid structure, the strength requirement of installing the shock absorber pin shaft is met, and the inner cavity of the hollow front axle is prevented from being filled with water when the shock absorber pin shaft is assembled, so that the service life is reduced.

The invention relates to a gapless meshing kingpin steering gear with a self-locking structure, and belongs to the technical field of automobile steering equipment. The gapless meshing kingpin steering gear with the self-locking structure comprises a power assembly, a shell, a worm, an idle gear A, an idle gear B, an adjusting assembly, a transmission shaft A, a transmission shaft B and a transmission gear D, the shell is provided with a worm through a power assembly and a bearing; a worm gear and a transmission gear A are arranged on the shell on one side of the worm through a bearing and a transmission shaft A; the worm is meshed with the worm gear; a transmission gear B and a transmission gear C are arranged on the shell on one side of the transmission gear A through a bearing and a transmission shaft B; and a transmission gear D is arranged on the shell on one side of the transmission gear C through a bearing and an output shaft. The gapless meshing kingpin steering gear with the self-locking structure is compact in structure, ingenious in design and particularly suitable for the use requirement of a new energy automobile steering system.

The utility model relates to the technical field of maintenance of steering knuckles, and discloses a simple claw master pin dismounting tool which comprises a base and a supporting frame arranged on the base. The jack is mounted in the middle of the upper surface of the base, and the circular jacking column is arranged right above the jack, so that the steering knuckle master pin can be quickly disassembled; the circular jacking column is fixedly connected to the top of an inner cavity of the supporting frame, and the axis of the circular jacking column and the axis of a jacking rod of the jack are both arranged on the same axis. Through cooperation of the base, the supporting frame, the jack and the circular jacking column and a parallel face formed between the jack and the circular jacking column, the steering knuckle can be conveniently placed, then the jack can conveniently eject out a master pin of the steering knuckle, damage to the steering knuckle caused by a hammer knocking mode is avoided, and the dismounting efficiency and safety of the master pin are improved; the maintenance efficiency of the steering knuckle is improved, the overall structure is simple, and practicability is improved.

The utility model provides a front axle master pin and lining integrated installation device, relates to the field of front axle assembly, and adopts the technical scheme that the front axle master pin and lining integrated installation device comprises a support frame, the support frame is of an arch-shaped structure and is provided with a downward opening, and the two ends of the support frame are provided with a master pin press-fitting assembly and a positioning shaft respectively; the master pin press-fitting assembly comprises a driving part and a press-fitting shaft which are connected, the positioning shaft is horizontally arranged, the positioning shaft and the press-fitting shaft are coaxially arranged, and the driving part is electrically connected with a controller. According to the utility model, the assembly efficiency can be improved.

A heavy-lift rotating kingpin slewing crane is disclosed having an upper bearing for a rotating kingpost crane which achieves equalized radial loading on all boom-side bearing rollers arranged in tandem on approximately a 120 degree arc segment of an upper radial bearing assembly when reacting the crane's operating load-moment couple-forces transferred from the rotating kingpost structure into the stationary kingpost housing at the upper bearing outer race surface. The bearing system comprises a concentrically nested set of load spreader bodies interconnected by pins and arranged to transfer the horizontal couple-forces from each side of the kingpost structure via a linkage to centrally located, largest spreader bodies which progressively reduce and transfer the load radially into smaller spreader bodies until an equal set of radial loads arrive on a set of bearing rollers.

A kingpin assembly (1) for a semitrailer of an articulated vehicle, comprising a kingpin (2) defining an axis of rotation (A), a swivel bearing (3) arranged about the axis of rotation (A), the kingpin (2) having a kingpin flange (6) for indirectly or directly mounting the kingpin (2) on the semitrailer, and a drive connected to the swivel bearing (3) and pivotable about the axis of rotation (A), the rotary bearing (3) has a fixed bearing ring (7) or a fixed bearing ring section which is fixed relative to the main pin (2), and a rotatable bearing ring (8) or a rotatable bearing ring section which is rotatable relative to the main pin (2), and the drive member is fixed to the rotatable bearing ring (8) or the rotatable bearing ring section. On one side of the main pin (2) or the fixed bearing ring (7) or the fixed bearing ring section, and on the other side of the rotatable bearing ring (8) or the rotatable bearing ring section or the drive, one element of a pair of elements consisting of an angle sensor and an angle encoder is arranged respectively on the main pin (2) or the fixed bearing ring (7) or the fixed bearing ring section, and on the rotatable bearing ring (8) or the rotatable bearing ring section or the drive.