617results about "Vehicle wheel testing" patented technology

A method is provided for detecting vibrational anomalies of a vehicle using a plurality of devices that are removably attachable to the vehicle. One of the devices is removably attachable to a wheel assembly and includes an IMU configured to remotely collect data. At least one of the other devices is not attached to any of the wheel assemblies. Acceleration data is collected from the device that is removably attachable to the wheel assembly. Vibrational data is collected from at least one of the other devices that are not attached to any of the wheel assemblies. The acceleration data is analyzed from the device that is removably attachable to the wheel assembly to determine whether a vibrational anomaly exists in the wheel assembly. The vibrational data from the at least one of the other devices that are not attached to any of the wheel assemblies is analyzed to determine whether a vibrational anomaly exists. The acceleration data that was analyzed from the device that is removably attachable to the wheel assembly is compared to the vibrational data analyzed from the at least one of the other devices that are not attached to any of the wheel assemblies to identify a potential source of vibrational anomaly in the vehicle.

A vehicle component balancing robot apparatus, system and method for on vehicle balancing of one or more of a tire, a wheel, bearings, brake components, and vehicle components that impart vibrations to the vehicle. The apparatus includes a frame arranged so as to connect with the vehicle. A robot of the apparatus moves relative to the frame, and is configured so that the move, relative to the frame, resolves a predetermined location of a tire-wheel assembly relative to a reference frame of the robot. The robot has at least one end effector arranged to interface the tire-wheel assembly and the robot moves the at least one end effector to other predetermined locations on a wheel rim of the tire-wheel assembly, determined based on resolution of the predetermined location of the tire-wheel assembly relative to the reference frame.

A vehicle component balancing robot apparatus, system and method for on vehicle balancing of one or more of a tire, a wheel, bearings, brake components, and vehicle components that impart vibrations to the vehicle. The apparatus includes a frame arranged so as to connect with the vehicle. A robot of the apparatus moves relative to the frame, and is configured so that the move, relative to the frame, resolves a predetermined location of a tire-wheel assembly relative to a reference frame of the robot. The robot has at least one end effector arranged to interface the tire-wheel assembly and the robot moves the at least one end effector to other predetermined locations on a wheel rim of the tire-wheel assembly, determined based on resolution of the predetermined location of the tire-wheel assembly relative to the reference frame.

A vehicle component balancing robot apparatus, system and method for on vehicle balancing of one or more of a tire, a wheel, bearings, brake components, and vehicle components that impart vibrations to the vehicle. The apparatus includes a frame arranged so as to connect with the vehicle. A robot of the apparatus moves relative to the frame, and is configured so that the move, relative to the frame, resolves a predetermined location of a tire-wheel assembly relative to a reference frame of the robot. The robot has at least one end effector arranged to interface the tire-wheel assembly and the robot moves the at least one end effector to other predetermined locations on a wheel rim of the tire-wheel assembly, determined based on resolution of the predetermined location of the tire-wheel assembly relative to the reference frame.

A clamping device is provided by embodiments of the present disclosure. The clamping device includes: a rotating assembly including a rotating plate and a connecting rod, where the connecting rod is rotatably connected to a clamping assembly and the rotating plate, respectively, and the rotating plate is provided with a stroke curve protrusion; and an engagement assembly including a ratchet wheel and a ratchet component, where the ratchet component always abuts against the stroke curve protrusion so as to adjust an engagement position of the ratchet component and the ratchet wheel.

The invention relates to the technical field of automobile part detection, in particular to a quality detection device and method for the surface of an automobile hub, and the device comprises a conveying unit, an outer surface regional detection unit, an overturning clamping unit and an inner surface detection unit. The conveying unit is sequentially connected with the outer surface sub-area detection unit, the overturning clamping unit and the inner surface detection unit and is used for sequentially conveying hubs to all detection areas; the outer surface regional detection unit comprises an aluminum profile support, a first linear guide rail and a third linear guide rail, the overturning clamping unit comprises a second linear guide rail, a third servo motor and a first sliding block, and the inner surface detection unit comprises a positioning assembly and a camera support. The conveying unit is sequentially connected with the outer surface regional detection unit, the overturning clamping unit and the inner surface detection unit, full-process automatic detection of the hub from the outer surface to the inner surface is achieved, and the detection efficiency is remarkably improved.

The invention discloses a multifunctional angle module test bench which is composed of a bench base, a load simulation device and a pavement simulation device. The bench base is provided with a lifting sliding column, and the height of a loading platform can be adjusted to adapt to suspension deformation; the load simulation device realizes vertical load adjustment by increasing or decreasing balancing weights; the pavement simulation device integrates a belt pulley shaft, a motor, a magnetic powder brake and a pressure oil cylinder, and simulates pavement resistance through belt rolling; during testing, the angle module body is fixed to a loading platform, tires make contact with a belt to achieve dynamic testing, a magnetic powder brake increases resistance torque for a main belt wheel shaft so as to simulate different road conditions, a motor drives the belt to test regenerative braking performance, and a pressure oil cylinder is matched with a thrust bearing to measure axial loads. The steering resistance and tire mechanical property test is completed by changing the included angle between the wheel and the belt motion direction; according to the invention, driving, braking, steering and suspension system testing functions are integrated, and multi-working-condition comprehensive performance detection is realized.

An apparatus for measuring performance and contact characteristics between a vehicle test wheel (10) and a ground (20), comprising: a motorized test cart (100) configured to move at a specified speed along a guideway (30) attached to the ground (20); a support (200) for the test wheel (10); and a mechanism (300) mounted between the test cart and the support (200) and configured to hold the support so that the test wheel (10) can roll on the ground (20) with the movement of the test cart along the guideway (30); and allow a movement of the support (200) relative to the ground (20) so that the test wheel (10) can be raised relative to the ground (20) or lowered until it contacts the ground; a thrust actuator (310) configured to apply a thrust force (320) between the test cart (100) and the support (200) and cause the support (200) to move toward the ground (20) through the mechanism (300) and to keep the test wheel (10) in contact with the ground (20) so that the wheel exerts a contact force (220) against the ground (20). The mechanism (300) is mounted between the test cart (100) and the support (200) so that the support (200) is cantilevered from the test cart (100) and the test wheel (10) is external laterally from the test cart (100); said test cart (100) comprises transport wheels (110, 120) mounted to make direct contact with the ground without contacting the guideway (30) and on which the test cart (100) rests; the test cart comprises a plurality of sliding constraints (130,140) between the test cart (100) and the guideway (30) configured to counterbalance the test cart (100) relative to the guideway (30) during the application of the thrust force (320) by the thrust actuator (310) and to isolate the application of the contact force (11) from ground contact reactions of the transport wheels (110, 120).

Disclosed are an apparatus and method for detecting abnormal wheel alignment. The apparatus for detecting abnormal wheel alignment includes a sensor module and a processor operatively connected to the sensor module. The processor may calculate a steering angle error indicative of a difference between a target steering angle of a vehicle and a steering angle of the vehicle that has been detected based on lane information obtained by the sensor module, may calculate a rack force error indicative of a difference between a first rack force estimated based on information that has been fed back by a motor driven power steering system (MDPS) module of the vehicle and a second rack force estimated based on information including a yaw rate and lateral acceleration obtained by the sensor module, and may determine whether wheel alignment is abnormal based on at least one of the steering angle error and the rack force error.

The utility model discloses an impact testing machine for hub detection, which comprises a workbench and an impact assembly, a support is fixedly mounted at the top of the workbench, the impact assembly comprises a magnetic attraction seat, a guide plate, a guide rod, a mounting plate, a bidirectional screw rod, a fixing rod, a knob, an impact hammer and a fixing plate, and an electric telescopic rod is mounted in the middle of the top of the support. The bottom of the electric telescopic rod penetrates through the support and is fixedly provided with a connecting plate. The two-way lead screw is driven to rotate by screwing the rotary knob clockwise and anticlockwise, then the fixing rods on the two sides can be driven to move towards the outer side at the same time, fixing of the fixing plate is lost, the impact hammer can be conveniently taken down, the impact hammer can be conveniently replaced, and when the impact hammer is installed, the fixing plate is placed in the groove body, so that the impact hammer is installed conveniently. The fixing holes are aligned with the fixing rods, then the knob can be screwed anticlockwise, the fixing rods are driven to move towards the inner side at the same time, and the impact hammer is installed.

Systems and methods for predicting anomalies in a wheel system of a semi-trailer truck. One example system includes: a vibration sensor positioned to sense vibrations of the wheel system and an electronic processor communicatively coupled to the vibration sensor. The electronic processor is configured to determine a velocity profile of the semi-trailer truck; obtain a vibration measurement; determine, from the vibration measurement, a classified vibration level; determine whether the classified vibration level is indicative of an anomaly; identify, based on whether the classified vibration level is indicative of the anomaly and both the velocity profile and a reference classified vibration level, an anomaly existing within either or both of the semi-trailer truck wheel system or the road; and perform a mitigation action in response to identifying the anomaly.

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.

Provided are a four-wheel alignment measuring device and a four-wheel alignment apparatus, the four-wheel alignment measuring device including: a support base, a support rod connected to the support base, a laser device, and a camera device arranged on the support rod. A lengthwise direction of the support rod and a lengthwise direction of the support base form a first inclination angle, the laser device is configured to project a laser image toward a surface of a tire, and the camera device is configured to acquire the laser image and obtain alignment information of the tire using the laser image.

The invention discloses a model training method, a parameter optimization method, test equipment and a test system. The parameter optimization method comprises the following steps: inputting a second rim structure parameter into a rim lateral stiffness model determined by a rim lateral stiffness model training method, and determining a second predicted lateral stiffness corresponding to the second rim structure parameter; if the second predicted lateral stiffness does not meet the target stiffness condition, optimizing the second rim structure parameter, continuing to input the second rim structure parameter into a rim lateral stiffness model determined by the rim lateral stiffness model training method, and determining the second predicted lateral stiffness corresponding to the second rim structure parameter; and if the second predicted lateral stiffness meets the target stiffness condition, determining the second rim structure parameter as a target rim structure parameter. According to the method, complex simulation modeling testing does not need to be conducted on the vehicle rim based on the rim structure parameters, the mode of determining the target rim structure parameters is efficient and convenient, and manpower and material resources can be saved.

Systems and methods for predicting wheel system anomalies of a semitrailer truck. One example system includes a vibration sensor positioned to sense vibration of a wheel system and an electronic processor communicatively coupled to the vibration sensor. The electronic processor is configured to determine a speed profile of the semitrailer truck; obtaining a vibration measurement; determining classified vibration levels from the vibration measurements; determining whether the classified vibration level indicates an anomaly; identifying an anomaly present in one or both of a wheel system or a road of the semitrailer truck based on whether the classified vibration level is indicative of an anomaly and both the speed profile and the reference classified vibration level; and perform a mitigation action in response to identifying the anomaly.

Systems and methods for detecting component faults for a straddle-type vehicle using sensed vibrations. One example system includes a vibration sensor positioned at a first position on the straddle-type vehicle and configured to sense vibrations of the straddle-type vehicle and an electronic processor communicatively coupled to the vibration sensor. The electronic processor is configured to receive, from the vibration sensor, sensor information, determine, based on the sensor information, whether a vibration is present at a predetermined frequency range, and determine, in response to determining that the vibration is present at the predetermined frequency range, whether a characteristic of the vibration exceeds a predetermined threshold. The electronic processor is further configured to, in response to determining that the characteristic exceeds the predetermined threshold, identify a fault with a component of the straddle-type vehicle corresponding to the predetermined threshold and execute a mitigation action based on the fault.

The invention discloses bicycle hub test equipment, which can simulate abundant bicycle running states to obtain complete and comprehensive test data, and comprises a rack, a frame, wheels, a hub to be tested, a torsion wheel, a driven wheel, a first driving device, a driving wheel, a rear hub test chain, a front hub test chain, a brake mechanism and a counterweight mechanism, the front end of the frame is pivoted and matched with the rack; the wheels are mounted on the frame and comprise tires; the to-be-detected hub and the wheel rotate synchronously; the torsion wheel is arranged below the wheel and makes contact with the tire, and a driven wheel is installed on a rotating shaft of the torsion wheel. The driving wheel is driven by a first driving device to rotate, and is in transmission connection with a to-be-tested hub through a rear hub test chain or is in transmission connection with the driven wheel through a front hub test chain; the brake mechanism acts on the wheels to simulate braking; and the counterweight mechanism acts on the frame to adjust the load.

The invention relates to the technical field of vehicle fault detection, in particular to a hub runout detection method and system based on multi-modal data fusion, and the method comprises the following steps: 1, collecting hub data in real time through a vibration sensor, a vehicle speed sensor, a tire pressure sensor and a steering angle sensor; step 2, carrying out synchronous processing on the collected data; according to the scheme, multi-dimensional data are synchronously collected through multiple types of sensors such as a vibration sensor, a vehicle speed sensor and a tire pressure sensor, preprocessing means such as band-pass filtering, feature extraction and time-frequency domain analysis are combined, and then the fault probability of each modal is fused through the evidence theory. According to the method, the limitation of a single sensor is avoided, for example, interference of abnormal air pressure on vibration data is eliminated through a tire pressure correction coefficient, speed sensitive faults are recognized through vehicle speed-vibration correlation analysis, multi-dimensional accurate judgment of radial / axial runout of the hub is achieved, and the detection accuracy is improved by 30% or above compared with a traditional single-mode scheme.

A sensor device includes: an acceleration sensor that rotates in conjunction with rotation of a nut that fastens a wheel hub to a wheel rim and detects an acceleration along a detection axis that intersects with a rotation axis of the wheel rim; and a signal processor that detects a fastening state of the nut based on the acceleration detected by the acceleration sensor.

The invention belongs to the field of wheel road tests and bench tests, and particularly relates to a wheel bench impact test method and system equivalent to test field road impact. The method comprises the following steps: determining a road impact condition of a vehicle for road test; the road impact working condition is reproduced; in the reproduced road impact working condition, simulation prediction of rack impact test energy is carried out; and generating a bench impact test scheme based on a simulation prediction result. Compared with a traditional road test, the method has the same test effect, the test period can be greatly shortened, test resources and cost are saved, potential risks of the wheel road test are found in advance, and a necessary rapid test verification means is provided for wheel design and verification. The assessment of the road test on the wheel is equivalent to the bench test, the reliability of the road test on the wheel is verified before the whole vehicle road test, the risk of failure of the wheel in the whole vehicle road test stage is reduced, and the method is wide in application range, simple, reliable and low in cost.

To provide a wheel looseness detection device which detects looseness of a fastening component of a wheel and further detects monitoring and detection of an engagement state of the wheel.SOLUTION: A wheel looseness detection device is installed in the wheel, and a fastening hole is provided in the wheel. A fastening component is provided to penetrate to the fastening hole, and is fixed thereto. The wheel looseness detection device 1 includes a washer 10, an outer shell, a looseness sensor module, and a power source component 40. The washer 10 has a through hole 11 and a fitting part 12, the fastening component is provided to penetrate to the through hole 11 and the washer 10 is fixed thereto, and the volume of the fastening component covers at least a partial range of the fitting part 12. The outer shell is fit to the fitting part 12, and is used to store the looseness sensor module. The looseness sensor module includes a pressure sensor 31. When the fastening component 3 is tightly fastened thereto and the surface of the wheel 2 is pressed, tight contact force is detected by the pressure sensor 31.SELECTED DRAWING: Figure 2

Systems and methods for predicting anomalies in a wheel system of a semi-trailer truck. One example system includes: a vibration sensor positioned to sense vibrations of the wheel system and an electronic processor communicatively coupled to the vibration sensor. The electronic processor is configured to determine a velocity profile of the semi-trailer truck; obtain a vibration measurement; determine, from the vibration measurement, a classified vibration level; determine whether the classified vibration level is indicative of an anomaly; identify, based on whether the classified vibration level is indicative of the anomaly and both the velocity profile and a reference classified vibration level, an anomaly existing within either or both of the semi-trailer truck wheel system or the road; and perform a mitigation action in response to identifying the anomaly.

A wheel assembly of a vehicle (e.g., a forklift or another material-handling vehicle) is monitored to obtain information regarding the vehicle, including information regarding the wheel assembly, which may be indicative of how the vehicle including the wheel assembly is used (e.g., a duty cycle of the vehicle and / or the wheel assembly), a state (e.g., a degree of wear) of the wheel assembly, loading and shocks on the wheel assembly, and / or a state of an environment (e.g., environmental temperature, a profile, compliance, or other condition of an underlying surface beneath the wheel assembly), and which may be, for example, conveyed to a user (e.g., an operator of the vehicle), transmitted to a remote party (e.g., a provider), and / or used to control the vehicle (e.g., a speed of the vehicle). This may improve use, maintenance, safety and / or other aspects of the vehicle, including the wheel assembly.

The system comprises a hydraulic station, a servo electric cylinder, a programmable controller, an industrial control touch screen, a sensor detection technology and other technologies. The hydraulic station provides tension for the test bench and dynamically adjusts according to feedback of the tension sensor. The servo electric cylinder inputs height through the laser displacement sensor to control lifting, and therefore the purpose of controlling the steel wire rope to be horizontal is achieved. The PLC is used for sending instructions and collecting data. And the touch screen is used for writing instructions, monitoring equipment states and processing data. All the modules of the bending fatigue testing machine are matched to detect whether the hub can not generate cracks under the action of the specified bending moment and within the number of rotation turns or not. The bending fatigue test device provided by the invention integrates the functions of stepless speed regulation, automatic loading, automatic detection, recording and the like, and has relatively high competitiveness in the aspects of intelligent degree, manufacturing cost, accuracy and the like.

The present application relates to the technical field of wheel hub detection, and discloses a wheel hub bearing device and an impact testing machine, the rotation of the first angle adjusting plate is controlled by the hydraulic cylinder, the angle is adjusted with the rotating column as the shaft, the arc-shaped seat and the concave arc surface of the bearing table always keep the state of close contact, which ensures that the impact force generated by the drop hammer mechanism impacting the wheel hub is offset by the bearing table at any angle of the first angle adjusting plate within the preset range, so that the angle control of the first angle adjusting plate will not produce adjustment error due to multiple impact tests, and the bearing table effectively offsets the impact force of the drop hammer mechanism by lifting the arc-shaped seat, avoiding loosening of the triangular structure due to frequent impact. The existing bearing device of the wheel hub outer edge inclined impact testing machine is prone to loosening of the triangular structure composed of the bottom plate, the angle adjusting plate and the hydraulic cylinder during frequent impact tests, which leads to the decline of the inclination angle adjustment precision of the angle adjusting plate and the failure of the hydraulic cylinder, affecting the accuracy of the test and the reliability of the equipment.

The utility model relates to the technical field of hubs, and provides an automobile hub overhauling device which comprises a base and a hub body, the hub body is arranged above the base, a rotating assembly and a fixing frame are installed on the top of the base, the rotating assembly is located on the inner side of the fixing frame, and the hub body is located above the rotating assembly. Monitoring cameras are fixedly installed on the two sides of the interior of a fixing frame, a lifting assembly is arranged on the fixing frame, a hub body is clamped through clamping assemblies on two connecting blocks, then the connecting blocks are driven through first electric push rods, and therefore the connecting blocks can drive the hub body clamped in the clamping assemblies to ascend; then the first motor drives the driving synchronous wheel, and then the driving synchronous wheel drives the driven synchronous wheel through the synchronous belt, so that the clamping assembly can drive the hub body to turn over while rotating, and after one surface of the hub body is detected, the hub body does not need to be manually taken down and turned over, time and labor are saved, and the detection efficiency is improved.

The invention discloses a detection tool for wheel hub safety detection and a detection method thereof, and relates to the field of wheel hub detection, the detection tool comprises a rack, a rotating table and an adjusting mechanism, the adjusting mechanism comprises a fixed seat, a movable frame, an adjusting assembly and a suction device, the adjusting assembly comprises an adjusting head, a plurality of T-shaped passages are arranged in the adjusting head, and the suction device is arranged in the movable frame. The T-shaped passage is composed of a longitudinal passage and a transverse passage, a guide pipe is rotationally arranged in the longitudinal passage, the upper side of the guide pipe is open and connected with the suction device, the lower side of the guide pipe is sealed and blocks the longitudinal passage and the transverse passage, and an air port is formed in the guide pipe corresponding to the height of the transverse passage. And a common passage is arranged in the adjusting head and is communicated with the longitudinal passage. The wheel hub detection device is suitable for wheel hub detection in different states, and the detection quality is improved.

The utility model discloses an adjustable wheel radial fatigue testing machine, and relates to the field of wheel radial fatigue testing machines, the adjustable wheel radial fatigue testing machine comprises a base, the top of the base is fixedly provided with a support frame, the interior of the support frame is rotatably connected with a rotary drum through a bearing, the top of the base is slidably connected with a lifting box, and the interior of the lifting box is provided with a lifting assembly; by arranging the lifting assembly, the height of the test shaft can be rapidly adjusted, so that the installation process of a tire is faster and more convenient, a worker does not need to manually carry the tire to a higher position, physical output and carrying time are reduced, and the working efficiency is improved. Through the arrangement of the protection assembly, a fire source can be rapidly detected in the early stage of a fire caused by overheating of equipment due to long-time overload operation of the testing machine, and the fire is killed in the bud, so that the fire is prevented from further spreading.

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.