246 results about "Wheel alignment" patented technology

The invention discloses a tire wear diagnosis method, device and equipment and a storage medium, and the method comprises the steps: generating a tire wear calculation model based on obtained key factors affecting tire wear, wherein the key factors comprise vehicle driving mileage, historical driving road condition information, driving habits, vehicle tire pressure and four-wheel positioning information; and calculating a current tire wear coefficient according to the tire wear calculation model, and diagnosing tire wear by using the current tire wear coefficient. The abnormal condition of tire wear can be effectively identified, a terminal client is reminded of the tire wear state of the vehicle, and the use safety of the vehicle tire is ensured.

The invention provides a calibration assembly and a four-wheel positioning calibration device.The calibration assembly comprises a calibration base body and a plurality of calibration assemblies, the calibration base body defines at least two calibration directions parallel to the calibration base body, the calibration assemblies are arranged on the calibration base body, and projections of the calibration assemblies in the calibration directions do not coincide with one another; and the heights of the plurality of calibration assemblies on the calibration seat body are different. According to the technical scheme, the calibration seat body is provided with the plurality of calibration assemblies of which the projections in the calibration direction do not coincide, so that the four-wheel positioning measurement device can obtain the images of the plurality of calibration assemblies in the calibration direction, and the images of the plurality of calibration assemblies can provide more coordinate values for mutual calibration; therefore, the accuracy of the calibration result is improved, and the accuracy of the tire positioning information detected by the four-wheel positioning measurement device is further improved.

The invention discloses a storage and transfer RGV trolley for railway vehicle wheels. The storage and transfer RGV trolley comprises a conveying rail of a profile steel structure; the RGV body comprises a steel structure body, a driving mechanism and a wheel vertical storage rack, and the steel structure body is arranged on the conveying track in a sliding mode; the driving mechanism is arranged between the steel structure vehicle body and the conveying track and used for driving the steel structure vehicle body to move along the conveying track, and the vertical wheel storage rack is arranged on the steel structure vehicle body and used for storing a plurality of vertically-placed wheels; and the positioning control system is used for detecting the position of the RGV body and controlling the driving mechanism to start and stop. The technical effects are as follows: automatic transfer can be realized, and high efficiency is achieved; the structure is simple and the cost is lower; more wheels can be placed and transferred, the wheels can be prevented from toppling and bumping, the stability is higher, and the transferring process is safer; a conveying line is easier to adjust and modify, and the flexibility is good; various wheels with different diameters and different thicknesses can be stored, and the adaptability is better.

A vehicle control system for a vehicle with steer-by-wire steering may include a road wheel actuator operably coupled to a road wheel of the vehicle to position the road wheel based to a road wheel angle based on a target angle, a feedback actuator operably coupled to a steering wheel of the vehicle to generate the target angle based on a steering wheel angle and to generate feedback to an operator of the vehicle, a sensor network comprising sensors to detect the steering wheel angle and the road wheel angle, a display disposed in the vehicle to be visible to the operator of the vehicle during vehicle operation, and a controller for determining when a misalignment exists between the road wheel angle and the steering wheel angle and providing a visual indication of the misalignment on the display.

A PID (Proportion Integration Differentiation) control method and system for realizing non-contact centering of a vehicle relates to the field of combined control of vehicle subsystems, and the method comprises the following steps: acquiring a real-time image of a current position of a target vehicle through an image acquisition device, and preprocessing the real-time image to obtain a vehicle contour feature map; vehicle feature point coordinates are extracted according to the vehicle contour feature map, a first coordinate deviation value between the vehicle feature point coordinates and preset target position coordinates is calculated, a vehicle correction instruction is obtained through calculation by adopting a PID controller according to the deviation value, and the PID controller comprises a proportionality coefficient, an integral coefficient and a differential coefficient; the vehicle correction instruction comprises a transverse displacement correction value and an angle correction value; the vehicle correction instruction is sent to an execution mechanism, and a second coordinate deviation value is obtained; and when the second coordinate deviation value is smaller than a preset coordinate threshold value, it is determined that vehicle centering operation is completed. By implementing the method, the mechanical wear during centering of the four-wheel positioning station of the automobile production line can be reduced.

The invention belongs to the technical field of vehicle four-wheel positioning detection, and particularly relates to a vision-based four-wheel positioning real-time attitude detection device, system and method, and the specific method comprises the steps: carrying out the calibration of a coordinate system, defining the coordinate system of a calibration frame on a test platform, enabling each calibration plate on the calibration frame to correspond to one test device, and carrying out the calibration of the calibration frame; calibrating to obtain a conversion matrix; a vehicle is driven to a test platform, then wheels are driven to rotate, synchronous test equipment starts measurement, toe-in direction angles, inner and outer inclination angles and wheel centers of tires are finally calculated through camera image acquisition, calculation and coordinate conversion, and results of the four wheels are synchronously uploaded to a control storage terminal. And controlling the storage terminal to obtain result information at each moment through post-processing calculation, displaying the result information on an interface in real time and storing the result information in a database. According to the invention, the vehicle is not damaged, dynamic real-time measurement can be realized, and the result is more accurate.

A load handling device is disclosed for lifting and moving containers stacked in a storage system having a grid structure. The load handling device includes a container receiving space; a lifting mechanism arranged to lift a container; a vehicle body; a wheel assembly arranged to support the vehicle body, the wheel assembly having a first set of wheels and a second set of wheels; and a drive mechanism for selectively driving rotation of the first set of wheels and the second set of wheels. Each wheel includes a wheel positioning mechanism configured to rotate the wheel about a respective second axis of rotation to selectively lower or raise the first set of wheels or the second set of wheels to selectively engage or disengage the first set of wheels with a first set of grid members or the second set of wheels with a second set of grid members.

The utility model provides a locking assembly for a travelling crane guide mechanism and a battery swap station wheel positioning mechanism, and belongs to the technical field of battery swap. The locking assembly for the travelling crane guide mechanism is used for locking the travelling crane guide mechanism and comprises an installation base suitable for being connected to the travelling crane guide mechanism, and a through hole is formed in the installation base; the lock pin is arranged in the through hole in a sliding and penetrating mode, and in the locking state, the lock pin is embedded in a positioning hole formed in a bottom plate of the traveling crane guide mechanism; the spring bolt is arranged on the mounting base in a sliding mode, and the spring bolt is clamped to the lock pin in a locking state; the unlocking plate is arranged on the mounting seat in a sliding manner, and the unlocking plate is suitable for being propped against the spring bolt during sliding, so that the spring bolt slides away from the lock pin and is separated from the lock pin. According to the locking assembly for the traveling crane guide mechanism, manual locking and unlocking can be achieved, the structure is simplified, the flexibility is high, and the construction cost and the maintenance cost of a battery replacing station can be reduced.

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.

Described herein is a process for mounting a tire onto a wheel. The process comprises positioning the tire in respect to the wheel such that a first arc of the bottom bead extends between the wheel's top and bottom bead seats. Next, two fingers are placed in contact with the bottom bead at locations immediately adjacent to opposing ends of the first are of the bottom bead. The first finger rotates about the central axis in a rotational direction away from the first arc of the bottom bead while applying a force in a direction of the bottom bead to advance all of the bottom bead below the top bead seat. These steps are repeated with the top bead to advance all of the top bead below the top bead seat. During the process, the first finger and the second finger may not contact any portion of the wheel

Techniques for assuring safety in operations of self-steering suspended vehicles operating on an elevated track are described Disclosed is a vehicle motion unit comprising wheel assemblies with sensing units to detect wheel set positions relative to a reference element on the track. An actuator may perform corrective actions based on the sensing unit determining that there is a misalignment either in between a leading wheel set and a trailing wheel set or within a single wheel set. A control unit receives signals from the sensing units, process the signals to determine misalignments, and triggers the corrective actions. For additional safety, the elevated track is provided with a channel formed by a vertical guide wall and a supplementary guide rail near track split junctions. The system includes mechanisms for continuous monitoring of wheel alignment and physical constraints for wheel movement.

The invention relates to the technical field of air suspensions, and particularly discloses a closed drive-by-wire intelligent air suspension system which comprises a wheel positioning system, a damping positioning arm is mounted at the top of one side of the wheel positioning system, and a damping connecting arm is mounted at the bottom of one side of the wheel positioning system. A damping assembly is installed at the top of the damping connecting arm, the damping positioning arm, the damping connecting arm and the damping assembly are all connected with the frame, the damping connecting arm is connected with the other side in a suspension mode, and the wheel positioning system is connected with the steering mechanism. When the air suspension system is maintained, only the air pressure in the air bag main body needs to be detected, whether sliding between the sliding sleeve and the positioning sliding rod is smooth or not is detected, and the abrasion condition of the transmission gear and the transmission teeth is detected, so that the maintenance cost of the air suspension system is low, and the maintenance efficiency is improved. And the device is more convenient to use widely.

1. Name of the design product: 3D locator. 2. Use of the design product: For four-wheel alignment of vehicles. 3. Design points of the design product: For Design 1, it lies in the shape; for Design 2, it lies in the shape and color. 4. The picture or photo that best shows the design points: The perspective view of Design 1. 5. The design for which protection is claimed includes color. 6. Design 1 is designated as the basic design.

The invention relates to a method for operating a steer-by-wire steering system (1), wherein the steer-by-wire steering system (1) has a first control path (3) and a second control path (4), wherein the first control path (3) has a first position controller (5), a first power electronics unit (6) and a first electric motor (7), and the second control path (4) has a second position controller (8), a second power electronics unit (9) and a second electric motor (10), wherein a first target position (SP1) is specified to the first position controller (3) and a second target position (SP2) is specified to the second position controller (8), wherein at least situationally the two control paths (3, 4) operate in a master-master mode, wherein the two position controllers (5, 8) have at least an integral component, and wherein the two electric motors (7, 10) move a wheel positioning unit.wherein in the area of ​​a neutral position of the wheel positioning unit, a periodic signal (S1, S2) with alternating signs is added to the first target position (SP1) and the second target position (SP2) in master-master operation, as well as a steer-by-wire steering system (1).

1. The name of the design product: double track flaw detector single probe wheel alignment structure. 2. The use of the design product: for ultrasonic flaw detection of steel rails in railway infrastructure. 3. The design features of the design product: in the frame structure. 4. The picture or photo that best indicates the design features: perspective view.

1. The name of the design product: automobile four-wheel alignment instrument lamp shell (leaf-shaped shell). 2. The use of the design product: the design product is used for automobile four-wheel alignment instrument lamp shell. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model relates to the field of automobile maintenance, in particular to a gantry four-wheel positioning lifting machine which comprises two fixed stand columns, an approach bridge and a lifting module, the two fixed stand columns are symmetrically arranged, the bottoms of the two fixed stand columns are fixedly connected with fixed bases, the tops of the two fixed stand columns are fixedly connected through a connecting base, and the connecting base is fixedly connected with the approach bridge. A main engine oil cylinder and an auxiliary engine oil cylinder are arranged on the inner sides of the two fixing stand columns correspondingly, an electric control hydraulic pump station is arranged at the right ends of the surfaces of the fixing stand columns, and the lower ends of the safety clamping blocks are connected with small air cylinders through connecting rod structures. The movable table is of a movable structure, so that the movable table slides towards the inner side, the movable table is flush with the workbenches on the two sides, fixing is achieved through connection of the manual bolt rods and the bolt holes, and therefore in the maintenance operation of the battery pack of the new energy automobile, the manual bolt rods are pulled out, the movable table can slide towards the outer side, and the movable table is fixed. And the operation space of the chassis is increased, different use requirements can be met conveniently, and practicability is improved.

A device for measuring the eccentric angle of an automobile steering wheel relates to equipment for determining the deviation angle through centering detection of the automobile steering wheel and a front wheel and comprises a sliding groove pulling plate, an electronic level meter and a steering wheel clamping groove, the sliding groove pulling plate comprises a lower pulling plate, a left clamping groove, a right clamping groove, an upper sliding plate and a lower pulling plate plug, and the right clamping groove is fixedly formed in one end of the upper sliding plate; the lower pulling plate is arranged in the lower sliding plate clamping groove in a sliding mode, and a left clamping groove and a lower pulling plate plug are fixedly arranged at the tail end of the lower pulling plate. The electronic level meter comprises an electronic level meter button, an electronic level meter fixing knob and an electronic level meter; the electronic level meter is arranged in the sliding chute of the upper sliding plate in a sliding manner; the steering wheel clamping groove comprises a left clamping groove, a right clamping groove, a clamping screw rod, a steering wheel pressing plate and a screw rod knob; according to the invention, the problems of easy omission of tools, many splicing actions, easy damage of fixed parts and inaccurate eccentricity measurement results in the existing manual simple tool measurement are solved, and the problems of higher cost caused by the need of various devices for measuring the steering wheel by adopting a steering force meter and only measurement of a single type of vehicle steering wheel are solved; the method has the advantages that a single tool is used for measurement, steering wheels of different sizes can be adapted, the steering wheel deviation degree can be visually obtained, and accurate adjustment is facilitated.

The invention discloses a wheel alignment adjuster 200 for a vehicle having a vehicle body 104 including a chassis frame and a steering system connecting to wheels 106a, 106b A coupling Arm 100 is mounted on the vehicle body 104 and connects the wheel 106a, 106b of the vehicle with the vehicle body 104. The wheel alignment adjuster 200 includes a cam screw 101 having an eccentric slot 101a and a cylindrical holder 102, wherein the cam screw 101 is in bolted connection with the cylindrical holder 102. The wheel alignment adjuster 200 is mounted on the vehicle body 104 and is rotated about central axis of the eccentric slot 101a for wheel alignment correction. The invention provides a compact, simplified and cost-effective solution for wheel alignment as well as vehicle chassis, steering column and / or trailing arm 105 orientation correction for a vehicle.

1. The name of this design product: Four-wheel aligner. 2. Purpose of this product design: Used for four-wheel alignment detection and adjustment of vehicles. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention relates to a tire repair device (10) for attachment to a vehicle wheel (11) mounted to a vehicle by means of a wheel nut or a wheel bolt (104). The tyre repair device (10) comprises:-a carrier element (16) associated with a central axis (A) and a circumferential direction (U) and having a side face (18) facing the wheel and a side face (20) facing away from the wheel,-a compressor (22) fastened to the carrier element (16),-drive means (23) for the compressor (22) operatively connected to the compressor (22), the invention relates to a vehicle wheel (11) to be repaired, comprising a compressor (22), a sealant container (60) containing a tire sealant, the compressor (22) being fluidly connected to the sealant container (60), a connecting line (12) designed to be fluidly connected to the sealant container (60) and to a tire of the vehicle wheel (11) to be repaired, and a plurality of pin-shaped retaining elements (88) each having a fastening end (90) and a free end (92), the retaining elements (88) are connected at their fastening ends (90) to the carrier element (16) and extend from a tire-facing side (18) of the carrier element (16) along a longitudinal axis (L) parallel to the central axis (A) and are spaced apart from one another in the circumferential direction (U), the position of the pin-shaped retaining elements (88) at least substantially corresponding to the position of a control hole (100) in the vehicle wheel (11), and the retaining elements (88) are arranged in the circumferential direction (U). The control holes (100) extend parallel to the central axis (A) into the vehicle wheel (11), each located between the two holes (102) for the wheel bolt (104) and for wheel positioning, and wherein each pin-shaped retaining element (88) can be inserted into one of the control holes (100) in the vehicle wheel (11) in order to adhere, clamp or interlock-fasten the tire repair device (10) to the vehicle wheel (11).

The present application relates to a modular charging and swapping station, which belongs to the field of electric vehicle technology, and includes a slide, on which a vehicle lifting unit and a battery transfer unit are sequentially arranged from right to left, which span the slide. A battery shelf is arranged on the front or rear side of the battery transfer unit, and a front wheel alignment unit and a rear wheel alignment unit are respectively arranged on the front and rear sides of the vehicle lifting unit. A battery swapping unit is arranged below the lifting platform of the vehicle lifting unit, and a first avoidance hole for accommodating the battery swapping unit is arranged on the lifting platform. The charging and swapping station is modular in its entirety, which greatly improves the installation efficiency at the customer's site. At the same time, the overall footprint of the solution is small, and it only needs to occupy the space of two parking spaces, so the installation location will not be limited.

The invention relates to a steering unit (1), in particular a steer-by-wire steering unit, for a vehicle, comprising: a steering rod (2) which is designed to be coupled at at least one axial end to a wheel of the vehicle to be steered, a positioning actuator (3) for the translational movement of the steering rod (2) along its longitudinal axis (L), a linear gear (4) which is arranged between the positioning actuator (3) and the steering rod (2) and is designed to convert a rotational movement of the positioning actuator (3) into the translational movement of the steering rod (2), and a load sensor (16, 16') for detecting a contact condition between a surface and the at least one wheel of the vehicle to be steered.

A PID control method and system for realizing non-contact centering of a vehicle, which relates to the field of joint control of vehicle subsystems. The method includes: obtaining a real-time image of the current position of a target vehicle through an image acquisition device, and preprocessing the real-time image to obtain a vehicle contour feature map; extracting the coordinates of vehicle feature points according to the vehicle contour feature map, calculating a first coordinate deviation value between the coordinates of the vehicle feature points and the preset target position coordinates, and calculating a vehicle correction instruction by using a PID controller according to the deviation value. The PID controller includes a proportional coefficient, an integral coefficient, and a differential coefficient, and the vehicle correction instruction includes a lateral displacement correction amount and an angle correction amount; sending the vehicle correction instruction to an actuator and obtaining a second coordinate deviation value; when the second coordinate deviation value is less than a preset coordinate threshold, it is determined that the vehicle centering operation is completed. Implementing this method can reduce mechanical wear during centering at the four-wheel alignment station of an automobile production line.

The utility model discloses a quartz stone plate stacking and transferring trolley which comprises a trolley plate, mounting frames are installed at the two ends of the trolley plate, inserting holes are formed in the mounting frames, mounting holes are formed in the surface of the trolley plate, part bins are installed on the two sides of the trolley plate, and wheels are connected to the lower end of the trolley plate. The positioning rod is arranged in the mounting hole, a threaded seat is arranged at the lower end of the positioning rod, and a gasket mechanism is connected to the positioning rod; the insertion piece is arranged in the insertion hole, a universal joint is installed at the upper end of the insertion piece, a pull rod is connected to the universal joint, and a pull handle is installed on the pull rod. According to the utility model, the threaded seats on the positioning rods are in threaded connection with the mounting holes, so that the positioning rods can be flexibly mounted, and the plurality of groups of flexibly arranged mounting holes can assist the flexible mounting of the positioning rods, thereby being capable of adapting to quartz stone plates with more sizes.

The utility model discloses a quick clamping fixture for a hook-pressing hub type automobile chassis. The quick clamping fixture comprises a fixture body and a hub quick fastening mechanism, the clamp body comprises a fixing base used for abutting against a wheel and a clamp support body, and the outer side face of the clamp support body is used for installing an optical target assembly used for wheel positioning detection. The hub rapid fastening mechanism is installed on the clamp support body and provided with a telescopic fastening assembly, and the clamp body is fixed to the surface of a wheel hub through fastening acting force formed between the telescopic fastening assembly and the wheel hub. According to the utility model, the quick clamping and fixing of the four-wheel positioning fixture are realized through the fixing effect between the hub quick fastening mechanism and the wheel hub, so that the fixture can adapt to wheels with different sizes and specifications, and the universality of the fixture is improved; during clamping, only the hub needs to be hooked or sucked, so that the whole hub hooking and pressing type quick clamping fixture for the automobile chassis can be quickly fixed on a wheel, quick clamping is realized, the working efficiency is improved, and damage to the hub is also effectively avoided.

1. The name of this design product: Four-wheel aligner (01). 2. Purpose of this design product: This design product is used for tire positioning equipment. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

An independent suspension relates to the field of suspension technology. The technical solution comprises two frame longitudinal beams connected by a crossbeam, with suspension assemblies fixed to opposite sides of the two frame longitudinal beams. The suspension assembly comprises an elastic component, a transverse arm support, and a longitudinal arm support. The transverse arm support and the longitudinal arm support are located on either side of the elastic component. The transverse arm support is provided with a transverse arm assembly, and the transverse arm assembly is provided with a transverse arm ball head. The beneficial effects of this technical solution are: achieving vertical jump of the tire, maintaining unchanged wheel alignment parameters, wheelbase, and wheelbase. When the vehicle body rolls, the tire remains substantially perpendicular to the ground, effectively reducing tire wear, providing stable straight-line driving capability, obtaining a greater ultimate lateral force, and improving vehicle handling stability. The technical solution can also be applied to different frames, expanding its scope of use.

Apparatuses and systems for monitoring wheel alignment and / or for controlling vehicle suspension settings to adjust alignment. Described herein are alignment monitoring apparatuses for determining wheel alignment (e.g., camber, castor and / or toe). Also described herein are alignment adjusting or control apparatuses for adjusting one or more of camber, caster and / or toe.