295 results about "Kingpin" patented technology

A self-propelled, dirigible agricultural vehicle includes a height-adjustable chassis with an axle and a driven wheel hub. The axle is shiftable between a normal clearance position above the wheel hub and a relatively higher elevated clearance position. The chassis further includes a kingpin and a spacer section that is removably connectable to the kingpin. The axle is in the normal clearance position when the spacer is removed from the kingpin and is in the elevated clearance position when the spacer is connected to the kingpin.

The invention discloses a wire controlled wheel independent steering execution mechanism and a wheel assembly. The wire controlled wheel independent steering execution mechanism comprises a steering gear, a lower master pin, a master pin thrust bearing, two master pin sliding bearings with the same structure, an upper master pin, a steering motor and photoelectric encoder combined unit, and a torque sensor. The output shaft of the steering motor is connected with the input shaft of the steering gear by a coupler, the output shaft of the steering gear is in key connection with one end of the torque sensor through the upper master pin, the other end of the torque sensor is in key connection with the other end of the torque sensor, the lower end of the upper master pin is sleeved with the master pin sliding bearing and is in dynamic fit with the master pin sliding bearing, and the lower master pin is sleeved with the master pin sliding bearing and the master pin thrust bearing, which have the same structure, in turn from top down, and is in dynamic fit with the master pin sliding bearing and the master thrust bearing. The wheel assembly comprises a tire, a hub, an annual hub motor, a brake, an annular brake disc and the line controlled wheel independent steering executing mechanism. The annular hub motor consists of an annular hub motor outer rotor, a large-diameter cone roller bearing, a steering joint and a motor inner stator component.

The invention provides a self compensation floating swing arm independent suspension system, comprising a self compensation floating swing arm independent suspension device and a centrifugal force control scissors-type anti-roll bar device. The two mechanisms can be used in combination or independently and are applicable to both front wheels and rear wheels. The self compensation floating swing arm independent suspension system guarantees that wheels perform line bounce along a vertical direction of a car body on various kinds of road surfaces when a car runs at a low speed or at a high speed or makes turns and guarantees maximum contact area between the wheels and the road surfaces, with the parameters of king pin angle, toe-in angle, camber angle, wheel track, and axle base being maintained the same as original parameters; and, when the car makes turns, the centrifugal force control scissors-type anti-roll bar device works automatically, offsets a roll force with a force equal to the roll force in magnitude and opposite to the roll force in direction, and enables the car body to lower automatically, thereby improving anti-roll capacity and realizing idealization of controllability, safety, stability and comfort of the car. The self compensation floating swing arm independent suspension system has a simple structure, excellent performance, and low cost, and is easy to realize.

The invention relates to a method for forming a hollow front shaft, which is characterized in that the specific process is as follows: (1) firstly blanking a pipe section, adopting a band sawing machine and the like to cut a circular pipe material into a fixed-scale pipe blank in a required size, (2) utilizing a medium frequency induction heating furnace to heat pipe ends and a transition region of the cut pipe blank; (3) utilizing a special diameter-reducing machine to perform extrusion and diameter reduction or utilizing a rotary forging device to perform diameter reduction forming on the pipe ends and the transition region through a rotary extrusion and diameter reduction process; (4) carrying out upset forging and forming on the pipe ends; (5) heating the whole; (5) forming the whole; and (7) machining main pin holes at two ends of a pipe. The method for manufacturing a hollow front shaft through the forming process of a pipe blank is simple in manufacturing process, easy to realize the standardization of a mold, fast to remodel, few in production steps, light in weight of a front beam, low in remodeling cost, short in production preparation time and low in cost.

The invention discloses a fourth shaft rotary processing device of a processing center special for a steering knuckle. The device comprises a bridge plate which takes the fourth shaft as a center to rotate; at least one steering knuckle placing hole for containing steering knuckle shaft necks to pass through is arranged on the bridge plate; a clamping device and a pressing device for fixing the steering knuckle on the bridge plate are arranged on the bridge plate; and a steering positioning device is arranged on the bridge plate. Through once clamping, the coarse and fine boring of a main pin hole of the steering knuckle, the finish milling treatment of the fork ear external surface of the steering knuckle and the ABS (acrylonitrile-butadiene-styrene) hole processing can be carried out; the processing precision can be guaranteed, the processing total time of the steering knuckle is reduced, and the production efficiency is improved.

A sensor for monitoring loads in a landing gear torque linkage includes a main pin having an axial interior bore defined therein. The main pin is configured and adapted to engage a torque link to a strut lug of a landing gear strut. A core pin is mounted axially within an interior bore of the main pin and is spaced radially inwardly from the interior bore for relative displacement with respect to the main pin. A capacitor is included having an inner capacitor plate mounted to the core pin. An outer capacitor plate is mounted to the main pin. Relative displacement of the core pin and the main pin due to loads acting on the torque link and strut lug results in relative displacement of the inner and outer capacitor plates. Signals can thereby be produced indicative of the loads acting on the torque link.

The invention discloses an output type multi-bearing-point independent suspension, which comprises an upper fork arm, a lower fork arm, elastic elements, a shock absorber and fork arm-positioning pivots; the upper fork arm and the lower fork arm are A-shaped structural parts, the front ends of the upper fork arm and the lower fork arm are respectively connected with the upper suspension point and lower suspension point of a wheel through main pins, the shock absorber is mounted on the top of the front end of the upper fork arm, and the rear ends of the upper fork arm and the lower fork arm are connected with a chassis through the elastic elements. A corresponding available space is expanded around the upper fork arm and the lower fork arm, reasonable bearing pivot points and transfer parts of the chassis are structured, the lever principle, the torsion bar principle and the principle of moments are utilized, so that double-fork arm pivotal suspension point motion can absorb bearing elastic force by means of returning force and the arms of force or direction change, the conventional one-point supporting elastic element is changed into the multiple multi-point supporting elastic elements, consequently, the force applied on the wheel is decomposed by multiple points, and thereby average running speed is increased. The increase in the number of the elastic elements and the reasonable arrangement of the elastic elements can reduce the height of a vehicle, optimize space utilization and improve the stability and running smoothness of the vehicle.

The invention relates to the technical field of automobile steering knuckles, and in particular relates to a machining technology for the inner end surfaces of lugs of an automobile steering knuckle. The machining technology comprises the following steps: fixing the steering knuckle on a numerically-controlled machine tool through a clamp, machining a rod part, and rotating the clamp so as to rotate the steering knuckle for a certain angle, wherein the rotated angle is an included angle between the central lines of the steering knuckle rod part and each master pin hole; and roughly milling the inner end surfaces of an upper lug and a lower lug along a direction vertical to the central line of each master pin hole by using a rough milling cutter, and reversely finish-milling the inner end surface of the upper lug through a finish-milling cutter after penetrating through the master pin hole in the upper lug. According to the machining technology disclosed by the invention, when the inner end surfaces of the lugs are machined, the finish-milling cutter is used for finish-milling the inner end surfaces of the lugs after penetrating through the master pin holes so as to well guarantee the perpendicularity of the master pin holes and the inner end surfaces and the distance between the inner end surface of the upper lug and the inner end surface of the lower lug, and the yield of the product is improved.

The invention relates to an automobile tire motion track test method, comprising fixedly connecting three laser indicators vertical and crossed with each other to the outer end face of a tire; projecting laser beams to three projection screens vertical to each other; driving the vehicle forward; using cameras to record the positions of the laser beams on the projection screens vertical to each other; according to the positions of the three laser beams on the projection screens, calculating main pin trim angle, main pin leaning angle, front wheel lateral obliquity angle and front wheel front beam. A device realizing the method is composed of a connecting base, three cameras and three projection plates, wherein the three projection plates are respectively arranged on the laser projection directions of the three laser indicators and are vertical and crossed with each other, the three cameras are respectively arranged at the front of the projection plates. The invention utilizes three laser indictors and three projection plates to display the motion state of automobile tires in space rectangular coordinates, to accurately reflect the grounding deviation of tires, having simple structure and operation.

A conveying system has a roller and a shaft-hub assembly with a kingpin (81), an expansion element (83) and a hub (82). The kingpin has a cross-section corresponding to a cross-section of the hub so that the kingpin is fixed radially to the hub. The kingpin (81) is fixed rotationally to the hub (82). The expansion element in a relaxed state, has an external diameter that exceeds the internal diameter of the hub. The expansion element also is deformed elastically when the kingpin is disposed in the hub so that the external peripheral region (831) of the expansion element shifts from the relaxed position. Axial displacement of the external peripheral region of the expansion element is coupled with a reduction in the external diameter so that the reduced external diameter of the expansion element corresponds to the internal diameter of the corresponding internal peripheral region of the hub.

The technology relates to autonomous vehicles having hitched or towed trailers for transporting cargo and other items between locations. Aspects of the technology provide a smart hitch connection between the fifth-wheel of a tractor unit and the kingpin of a trailer. This avoids requiring a person to make physical pneumatic and electrical connections between the fifth-wheel and kingpin using external hoses and cables. Instead, the necessary connections are made internally, autonomously. For instance, the fifth-wheel may provide air pressure via one or more slots arranged on a connection surface, and the trailer is configured to receive the air pressure through one or more openings on a contact surface of the kingpin. An electrical connection section of the fifth-wheel may also provide electrical signals and/or power to an electrical contact interface of the kingpin. Rotational information about relative alignment of the trailer to the tractor unit may also be provided.

A steering device, including: a steering knuckle rotatably holding a wheel; an electric motor and a speed reducer configured to decelerate rotation of the electric motor, the electric motor and the speed reducer being fixed to a suspension arm; and a joint through which the steering knuckle is supported by the suspension arm in a state in which a kingpin axis is allowed to incline with respect to the suspension arm, the joint coupling the steering knuckle and an output shaft of the speed reducer such that the steering knuckle pivots about the kingpin axis by an operation of the electric motor.

The invention relates to a method of milling and processing of a cambered surface of a fist-shaped part of a forward shaft of a vehicle, and equipment of milling and processing of a cambered surface of a fist-shaped part of a forward shaft of a vehicle is also disclosed. The technical scheme is: (1) the forward shaft of a vehicle waiting to be processed is placed to a workpiece rotary bracket arranged over a work table; an upper end of a rotating shaft fixed and connected with the workpiece rotary bracket is inserted in a pin hole of the fist-shaped part of the forward shaft of a vehicle waiting to be processed and the workpiece is fixed; (2) a milling cutter is working and rotating around an axis of the milling cutter; (3) a power system works in a positive direction and drive a rotating shaft to rotate through a transmission mechanism, thus driving the vehicle forward shaft fixed on the rotating shaft to rotate around an axis of the rotating shaft on the work table to realize the milling and processing of the milling cutter to the cambered surface of the fist-shaped part of the forward shaft of the vehicle; (4) the power system works in an opposite direction and drive the rotating shaft to rotate reversely through the transmission mechanism, thus driving the workpiece to return. The method of milling and processing of a cambered surface of a fist-shaped part of a forward shaft of a vehicle has the outstanding advantages that the production cycle is shortened; the processing efficiency is improved and the production cost is lowered.

The invention discloses a wheel walking type robot foot end mechanism suitable for all-terrain road conditions. The mechanism comprises a foot body shell, a wheel step conversion mechanism and a solepaw. The wheel step conversion mechanism is arranged on the foot body shell; the sole paw comprises a paw and a wheel body, the wheel body is connected at the lower end of the foot body shell througha main pin shaft, the wheel body is connected with one end of the paw, the other end of the paw is connected with the wheel step conversion mechanism, and the wheel step conversion mechanism drives the paw and the wheel body to rotate around the main pin shaft. The wheel walking type robot with the all-terrain road conditions can stably advance on the complex terrain.

The invention discloses an automobile chassis integrated with a hub motor drive device. The automobile chassis comprises a front wheel drive assembly and a rear wheel drive assembly, wherein the front wheel drive assembly consists of a hub motor with a parallel-axis type speed reducer, a MacPherson type front suspension, a brake system, a steering system and the like; and the rear wheel drive assembly consists of a hub motor with a parallel-axis type speed reducer, a torsion beam type non-independent rear suspension, a brake system, a steering system and the like. According to the automobile chassis disclosed by the invention, the parallel-axis type hub motor is integrated with the MacPherson type front suspension, a motor of an eccentric-axis structure can avoid the optimal arrangement position of each hard point of the chassis, especially can guarantee a design state that offset distance of a front wheel main pin is 0, so that chassis performances when a vehicle drives, brakes and steers are improved. A rear wheel adopts the hub motor which is the same as that of the front wheel, and can carry the torsion beam suspension, so that pitching characteristics when the vehicle starts and brakes can be inhibited; and meanwhile, a motor control function is combined, and side inclining when the vehicle steers further can be inhibited.

The invention relates to the technical field of steering joints, in particular to an automotive disc-type steering joint integrated with a steering arm and a processing technology of the steering joint. The steering joint includes a rod part, a disc part and a lug part, the lug part includes a long lug and a short lug, the long lug and the short lug are provided with main pin holes respectively, and the steering arm, used for being connected with a steering transverse pulling rod, of the front end of the short lug stretches out from a plane perpendicular to the corresponding main pin hole to the lateral surface; the disc-type steering join is integrally forged and formed, and connecting arms, connected with brake calipers, of the long lug horizontally and separately stretch out from the plane where the disc part is located to the two sides, and form a T shape with the corresponding main pin hole. The automotive disc-type steering joint is scientific in structure; by directly integrating the steering arm with the disc-type steering joint, connecting devices are reduced; by extending the steering arm to be connected with other components, the structure of an automotive steering system is simplified, the novel disc-type steering joint of a lightweight structure is obtained, and more convenience is provided for achieving the lightweight automatic disc-type steering joint on the premise of ensuring the mechanical performance of a product.

An emergency brake device for an elevator includes a brake shoe portion provided inside a sheave 1 or deflector sheave of an elevator and having a brake shoe 5a at a lower end of the brake shoe portion, the brake shoe generating a braking force due to friction upon abutting an inner wall of an outer peripheral frame of the sheave or deflector sheave at a time of braking, the brake shoe portion having built therein spring mechanisms 51, 52 provided between the brake shoe and king pins 5f1, 5f2, which are offset in a rotation direction of the sheave or deflector sheave with respect to a centerline passing through a rotation shaft of the sheave or deflector sheave and are fixed on a bearing 1b side of the rotation shaft, the spring mechanisms each absorbing a force generated between the brake shoe and the king pin due to the braking force and being connected to the king pin at one end.

The invention discloses a novel four-wheel steering mode for a four-wheel independent drive electric automobile. The steering mode combines a traditional front wheel steering system and a rear wheel differential steering system. The differential steering mode of the rear wheels is that the driving force difference is generated by controlling the different driving forces of the driving motors of the left and right wheels, so that the wheels are driven to rotate around the main pins to generate rear wheel steering angles, and the advantage of four-wheel steering is reflected. The four-wheel steering system can greatly improve the operation stability and the low-speed steering maneuverability of the vehicle during high-speed steering. A complex steering mechanism can be canceled by adopting rear wheel steering, the structure is simple, and the space utilization of the vehicle is improved. For the limit working condition, due to the fact that the aligning torque of the wheels is very small, the extremely small driving torque difference can generate the extremely large steering angle. The clutch device is installed at the steering tie rod of the rear wheel, the combination pressing degree can be automatically adjusted to generate friction torque for overcoming excessive driving torque difference, and therefore an expected rear wheel steering angle is obtained.

The invention relates to a paddy field plow pan information continuous sensing device which comprises an attitude sensor, two sets of feeler lever sensing devices and a data acquisition device. The attitude sensor is installed on a tractor body, and the two sets of feeler lever sensing devices are installed on left and right front wheel main pins of a tractor respectively; the feeler lever sensingdevice comprises a supporting frame, a parallelogram mechanism, a force sensor, an angular displacement sensor, a feeler lever and a constant-pressure mechanism; the supporting frame is relatively fixed to the main pins, the feeler lever, the constant-pressure mechanism and the force sensor ascend and descend relative to the supporting frame through the parallelogram mechanism, and the angular displacement sensor is installed on the parallelogram mechanism. The invention further relates to a paddy field plow pan information continuous sensing method. Plow pan depth information and plow pan depth soil resistance on a running path of the paddy field tractor can be continuously sensed at the same time, measurement means of a paddy field terrain and a soil bearing capacity are enriched, and the device and the method belong to the technical field of soil information sensing.

A trailer for use with a towing vehicle having a first connector. The trailer includes a connector assembly, a plurality of wheels, and a trailer assist assembly. The connector assembly includes a second connector and at least one sensor. The second connector is configured to be coupled to the first connector to thereby couple the trailer to the towing vehicle. The at least one sensor is configured to detect forces applied to at least a portion of the connector assembly. The trailer assist assembly includes a control system and at least one electric motor. The control system is configured to control operation of the at least one electric motor, receive sensor signals from the at least one sensor, and use the sensor signals to determine when to operate the at least one electric motor. The at least one electric motor is operable to drive the plurality of wheels.

The invention discloses a double-fork-arm suspension structure capable of steering in all directions based on a hub motor. The double-fork-arm suspension structure comprises the hub motor, double forkarms used for being connected with a vehicle body and a supporting structure used for supporting the vehicle body, wherein an upper connecting support and a lower connecting support which are arranged up and down are fixed on the hub motor; a steering engine assembly capable of enabling a tire to rotate within the range of -90 degrees to 90 degrees is connected between the upper connecting support and the supporting structure; the steering engine assembly comprises a driven gear mechanism fixed to the upper connecting support and a driving gear mechanism meshed with the driven gear mechanismand fixed to the supporting structure, and the upper connecting support and the lower connecting support are each connected with a fork arm in a hinged mode. According to the invention, a steering pull rod of a traditional double-fork-arm suspension structure is omitted, and the steering motor directly drives a steering knuckle assembly to rotate around a virtual main pin, so that +/-90-degree full steering of the four wheels is achieved. The vehicle can achieve various advancing modes such as straight advancing, oblique advancing, different-direction steering, transverse traveling and pivot steering.

The present disclosure provides an integral front axle assembly which includes an axle housing configured for connecting with a driveshaft; two axle tubes respectively connected with two opposite sides of the axle housing; two inner-C-forgings disposed at ends of the axle tubes and each being configured for connecting with a kingpin knuckle; and at least one connection structure, for detachably fixing at least one of the inner-C-forgings to a corresponding axle tube. The inner-C-forging has different mounting positions on the axle tube, correspondingly, the caster to pinion angle is different at inner-C-forging's different mounting positions. The caster angles on both sides and the pinion to driveshaft angle can be conveniently and independently adjusted while ensuring the support strength.