Tire Endurance Testing

Tire testing equipment that allows realistic simulation of tire slip characteristics under braking conditions. The equipment has a motor, flywheel, loading mechanism, tire mounting mechanism, and base. The tire is mounted between the loading mechanism and brake components. The loading component is connected to the tire shaft via a fixed bracket. A torque sensor between the fixed bracket and brake components measures braking torque. This setup allows applying different braking torques to the tire while rotating it, more accurately simulating tire slip under actual braking conditions compared to simulated road surfaces.

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Fixed tire testing bench that integrates testing of tire life, braking performance and power performance into one device. It provides a stable road condition for testing tires by applying normal force above the suspension system. The bench has a lifting drive to change height for adaptability. The tire drive connects to a torque sensor. Six-dimensional force sensors, weighing component and road simulation test tire dynamics. The bench reciprocates the platform vertically to simulate differential speed and tire slip.

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A device to test tire-road friction under realistic conditions to accurately assess tire wear and road performance. The device has a sealed chamber with a removable road simulation section that can be swapped for different surfaces. A driver connects to the tire and a climate simulation changes temperature/humidity. A smoke treatment mechanism absorbs tire/road debris to prevent dispersion and inhalation. This allows testing friction under various road and weather conditions.

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All-weather, full-cycle tire performance testing method and equipment that enables testing multiple tire properties like rolling resistance, durability, wet grip, and snow/ice performance on a single tire using a specialized testing machine. The equipment has features like adjustable tire roll angle, side deflection, temperature/humidity control, and changeable drum surface to simulate various road conditions. By testing multiple properties on a single tire, it avoids using multiple tires for different tests and improves the feasibility and accuracy of tire performance testing.

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Mobile tire testing bench that can accurately simulate tire performance on different road surfaces while reducing lateral forces. The bench has a chassis with front and rear wheels, the rear wheels are driven by an auxiliary motor. The testing mechanism between the front and rear allows lifting the tire to be tested off the ground. This allows the bench to be driven over different surfaces with the tire suspended. By decoupling the test wheel from the main drive, speed inconsistency generates traction force. The three-dimensional force sensor detects traction and load changes. This enables testing tire-road interactions on various surfaces.

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A tire pre-running test method that aims to accurately and efficiently run in tires before formal testing to improve tire performance and consistency. The method involves a series of steps that simulate realistic driving conditions. It starts with high-speed straight line driving at small slip angles to remove longitudinal residual stress. Then, it has left-right turns at different loads and directions to remove lateral residual stress. Next, vertical load is applied to remove vertical residual stress. After that, speed changes are done at different air pressures and loads. Finally, large side slip angles are driven to remove edge impurities. This comprehensive test covers various directions and speeds to fully run in the tires before subjective testing.

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Tire simulation test machine to analyze tire behavior over bumps without needing full-scale vehicles. The machine has an outer enclosure with a removable safety door and hatch, an inner assembly with sliding plates, and dust covers. Tires are mounted on the inner assembly and driven over vertical and transverse plates representing bumps. Sensors monitor temperature and forces. This allows studying tire deformation, stress, and impact on smaller, more controlled equipment versus full-scale testing.

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A static tire bump stiffness device for accurately testing tire stiffness properties like radial, transverse, and longitudinal stiffness at various load levels. The device allows for rotating bumps to fully test tires on a machine. It has a guide rail with a rim bracket, a base with a test tire, and a bump platform assembly. The test tire is inflated, installed on the guide rail, and a replaceable bump is placed on the platform. The bump angle is adjusted and loading applied. Sensors measure tire deformations to calculate stiffness.

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A multifunctional tire testing machine that allows simultaneous testing of tire containment characteristics and dynamic impressions. The machine has a base platform with separate loading, driving, and testing areas. A loading unit applies any load to the tire, a driving unit accelerates the tire, and a testing unit performs containment tests by rolling the tire over obstacles while measuring radial, longitudinal, and lateral forces, as well as wheel center displacement. This integrated setup eliminates the need for separate equipment and simplifies testing compared to prior methods.

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A hot-melt tire thermal cycle attenuation test bench for evaluating the durability of hot-melt rubber tires under temperature cycling conditions. The bench has a hub motor to bring a hot-melt tire into a simulation cylinder with a simulated road surface. A rotating shaft connects the hub motor to a torque sensor. Damping and driving mechanisms allow pressing the tire onto the road surface. The cylinder has temperature control. This allows cycling the tire temperature to test adhesion performance at each temperature.

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Tire test bench to accurately simulate road conditions for tire testing. The bench has a rotating mechanism with multiple conveyor belts that can replicate bumpy road sections. Tires are inserted into a telescopic rod and rotated by a motor-driven gear train. The rotating rods and cylindrical block allow bi-directional rotation. The conveyor belts on the block's circumference simulate rough road surfaces.

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Tire testing device that accurately simulates tire loading conditions to improve the accuracy of tire wear testing. The device allows adjusting the pressure between the tire and wear device to mimic realistic tire loading. It uses a rotating drum to fix the tire on the outside of a rotating shaft. By moving the drum along a fixed shaft and rotating it, the tire can be raised and lowered while the shaft rotates to simulate loading conditions. This allows adjusting the pressure between the tire and wear device to accurately test tire wear.

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A device for testing the performance of airless tires without air leakage. The device allows accurate testing of tire static and dynamic load resistance, fatigue life, and other properties without the need for high-speed cameras. The device has a frame with a movable tire fixture that can be moved towards and away from a fixed test platform. This allows precise control of tire pressure and loading conditions. The fixture can also reciprocate longitudinally and radially to simulate road conditions. Sensors detect tire forces, displacements, and platform motion. A controller drives the motors based on the sensor inputs.

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Tire over-hurdle simulation test machine for studying tire behavior when encountering road obstacles. The machine allows controlled and repeatable testing of tire performance over bumps and protrusions. It has a chamber with a dust cover, inner equipment assembly, and sliding plates to simulate crossing obstacles. A driving wheel system with a specialized wheel, clutch, and motor can precisely control wheel speed over the obstacle. Other features like protrusion ejection and cover door opening enable accurate simulation of road conditions. Sensors measure forces, displacement, and speed during testing.

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Testing tires under dynamic loading conditions that mimic realistic driving scenarios to accurately analyze tire performance and behavior under composite working conditions. The method involves testing a tire under predetermined composite conditions like rolling, rolling with longitudinal slip, and rolling with longitudinal slip and lateral slip. This allows capturing tire response data under simulated driving scenarios. Analyzing the results provides a more accurate representation of tire behavior under complex conditions compared to testing single working conditions.

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Accurately predicting the speed at which a tire will fail by evaluating its durability. The method involves incrementally increasing the tire's rotation speed while it's running on a drum driven by an electric motor. The motor power is measured at each speed. The rate of power change with respect to speed is calculated. The critical speed where the power rate sharply rises is determined. Failure speed is predicted based on the critical speed.

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Device and method for measuring tire dynamic pressure distribution at high speeds. The device is installed on the drum of a rolling resistance testing machine to replicate real-world tire conditions. It consists of multiple pressure sensors spaced along the drum surface. By rotating the drum at high speeds, the device allows dynamic pressure measurement as the tire would experience during driving. This helps evaluate tire pressure distribution at high speeds to optimize tire design and performance.

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Indoor testing method to evaluate tire cut and puncture resistance without needing actual road testing. The method involves simulated tire-road contact using a specific test setup. The steps are: 1. Prepare the test wheel with the tire mounted and inflated. 2. Secure the wheel on a test rig. 3. Place a block-shaped object on the tread at a specific location. 4. Apply a load to the wheel to simulate vehicle weight. 5. Remove the load and observe if the block is still attached to the tire. This indicates cut resistance. For puncture resistance, repeat step 4 but this time remove the block. If the tire holds air, it passed puncture resistance. The key is using a clean, dry test surface without lubricants to accurately replicate road conditions.

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A tire wear resistance testing device for evaluating how well tires resist wear during cornering. The device has a test frame, simulated road surface, hydraulic pressing device, and drive system. The pressing device has a hydraulic cylinder with a piston rod connected to a force sensor. The force sensor measures the force applied to the tire during cornering simulations. The hydraulic system controls the cylinder through a reversing valve. The tire is mounted on a rotatable axle suspended below the frame. The simulated road surface replicates real-world cornering conditions for accurate wear testing.

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Tire characteristic testing device and system that can accurately simulate real road conditions to improve the reliability and accuracy of tire testing. The device has a wheel with a test cavity and a road simulation module inside. The tire is installed in the cavity and rolls on the module. The module can be changed to simulate different road surfaces like cement, asphalt, ice, etc. This allows testing tires in realistic conditions. The device also has a loading mechanism to apply forces and a rotating frame to simulate steering.

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Enclosed tire wear testing system that allows precise indoor wear testing of tires by controlling environmental conditions inside the test chamber. The system uses a rotatable drum with a tire mounted on a separate spindle connected by flexible bellows. The chamber has separate enclosures for the drum and tire. It has climate control to maintain temperature and humidity levels inside the chamber. Sensors measure temperature and humidity. Air is blown into the chamber if temperature exceeds a threshold and moisture added if humidity falls below a threshold to maintain desired conditions. This allows controlled indoor wear testing without external factors like temperature and humidity affecting the results.

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Indoor testing apparatus for evaluating tire performance, particularly for off-road tires, that can accurately measure lateral grip under centrifugal force. The apparatus has a circular track with a movable frame that the tire can slide on. A driving unit elevated on the movable frame rotates the tire. Torque, rotation speed, and movement of the frame are measured. This data is used to calculate the traction force and slip at different speeds. The guide frame prevents lateral movement when centrifugal forces act. By quantifying grip under centrifugal forces, this setup allows evaluating the lateral grip of off-road tires indoors.

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Road condition simulation tire wear detection device for more accurate tire wear testing. The device allows simulation of realistic tire wear conditions by mimicking road forces. It has a base, spring, rotating shaft, tire mounting structures, and driving mechanism. A biaxial motor inside the driving mechanism drives the rotating shafts. This provides variable force simulation as the tires rotate, more closely replicating road conditions compared to static testing. The device has analog detection boards mounted on the base to measure wear.

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Automobile tire performance testing machine that allows accurate testing of tire performance by combining free and fixed-point inspection. The machine has a workbench with a rotating device, compression device, and fixing device. The rotating device allows free inspection by driving the tire like steering. The compression device locks the tire for fixed-point inspection. The fixing device prevents rotation during testing. The workbench has a test device for inspection. The machine also has a board with protrusions to simulate different road conditions.

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Tire characteristic test device and system that accurately simulates real road conditions to improve the reliability and accuracy of tire testing. The device has a wheel assembly with a test tire that can be installed and rolled on a simulated road surface. The road surface can be customized to represent various materials like cement, asphalt, steel, ice, etc. This allows testing tires on different surfaces without actually driving on them. The device also has loading mechanisms to apply forces and loads to the tires.

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A test machine for durability of anti-skid tires for new energy vehicles that can simulate rainy weather and uneven road conditions to better test the durability of anti-skid tires for electric vehicles. The machine has a telescopic rod, a connecting frame, a servo motor, a rotating rod, a simulated walking mechanism, and a safety protection mechanism. The simulated walking mechanism has a slide rail, a rack lifting plate, a fixed rod, a lower pressure plate, a rotating shaft, and a missing gear. This allows the machine to simulate tire movement over uneven surfaces and mimic driving in rainy conditions.

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Indoor tire wear testing system that closely replicates outdoor conditions to more accurately predict real-world tire performance. The system uses an enclosed test chamber with a tire mounted on a spindle inside and the test drum outside, connected by flexible bellows. The chamber allows controlled temperature, humidity, and airflow to simulate various environments. Sensors monitor parameters like temperature and humidity inside the chamber. If they fall below thresholds, the system adds moisture or cools the chamber to match outdoor conditions. This allows testing in consistent, repeatable environments to better predict tire wear and performance in various conditions.

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Tire testing system with improved authenticity and accuracy for simulating obstacle-crossing road conditions. The system has a main frame, a mounting part on the frame for tire installation, and a test bench below. This allows testing tires over simulated obstacles without the limitations of vertical rims. The mounting part has a torque loading component to provide torsion. The test bench can have adjustable obstacles to mimic terrain. This provides more realistic tire testing compared to vertical rim setups.

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A performance test device for radial tires that can simultaneously and accurately test multiple tires for properties like air tightness and wear resistance during simulated high-speed rotation. The device has a base with a fixed rotating mechanism and an extrusion mechanism. The fixed rotating mechanism squeezes tires fixed to frames as they rotate. The extrusion mechanism presses tires against an obstacle while rotating to simulate road contact. Multiple tires can be tested simultaneously at high speeds.

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Tire pressure monitoring system for anti-puncture tires that can protect the tires during testing to prevent wear and aging. The system has a base, a housing, a mobile pressurizing assembly, a support plate, a motor, and a heat dissipation roller. The motor rotates the tire against the roller to simulate driving. The roller extends through the housing and connects to the tire bottom. A ventilation mechanism exhausts heat from the housing. This allows testing tire pressure without puncturing the tire, protecting it from wear and high temps during rotation.

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Comprehensive mechanical performance testing system for tires that provides a test bench to simulate tire behavior on various road conditions. The system has a rotating test fixture with a driving motor to rotate the tire. A turntable underneath provides simulated terrain by rotating. A fixed simulation block beneath the tire moves with the rotation to simulate obstacles. This allows testing of tire performance over obstacles and rough terrain.

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A flat belt tire testing system that can accurately measure the six-component forces on a tire at high speeds without the limitations of traditional tire test benches. The system uses a flat belt power test bench to drive the tire, a side yaw mechanism to deflect the belt, and a vertical lifting platform to adjust tire height. An infrared imager captures tire marks on the belt to ensure consistent contact plane. This allows realistic tire force simulation and reliable data.

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Radial tire fatigue testing system for radial tires that provides better testing efficiency, flexibility, and temperature control compared to conventional methods. The system has a base, support plate, ground simulation mechanism, fixing mechanism, driving mechanism, circular hole, and cooling mechanism. The radial tire is mounted on the support plate and fixed. The driving mechanism rotates the tire. The ground simulation provides friction. The cooling mechanism cools the tire. The driving resistance can be adjusted. The tire speed can be reduced after testing. This allows customizing friction, temperature, and cooling for better testing.

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High-speed and high-stiffness tire testing bench that enables accurate and repeatable testing of tire performance at high speeds. The bench uses a specialized road simulation mechanism with a rotating drum inside a frame. The drum has an inner plate and stabilizer to provide rigidity. A vertical positioning mechanism lifts the tire synchronously with the drum to avoid clearance issues. This ensures accurate vertical alignment between the tire and drum for stable testing. The drum is driven by a motor and belt system. The vertical positioning mechanism uses a servo motor to lock the tire position. The drum rigidity and vertical positioning provide accurate and repeatable tire-road contact conditions for high-speed testing.

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A tire wear resistance test device that can simulate both rolling and braking conditions to improve test accuracy. The device has mechanisms to test tire wear under rolling friction and braking friction. For rolling friction, the tire is clamped and rotated while rollers on either side approach the tire to stop contact. For braking friction, the tire is fixed and brakes are applied to simulate braking.

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An automobile tire strength testing platform that allows accurate tire strength testing over a wide range of temperatures. The platform has a temperature-controlled enclosure around the testing area to maintain consistent temperatures during testing. This eliminates the issue of tire strength varying with ambient temperature. The enclosure has insulation, heating, cooling, and temperature sensors. The tires are secured in place with positioning pins and plates to prevent movement during testing.

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Tire impact testing device to simulate real-world road conditions for evaluating tire durability and impact resistance. The device allows testing of tires mounted on a guide column representing a vehicle wheel assembly. It has a locking mechanism to secure the tire, a deflection mechanism to apply pressure, and an impact device with a cylinder and module to simulate road obstacles like curbs or potholes. The device allows testing of tire impact resistance with realistic loads and speeds.

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Comprehensive tire condition testing device that provides accurate, automated, comprehensive analysis and visualization of tire condition. The device has a hydraulic telescopic rod that lowers a tire onto a simulated road panel. As the tire compresses, pressure and deformation data is captured. The device also allows visual inspection of the tire wear. Replaceable road panels enable testing on different surfaces.

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A rolling resistance evaluation device for tires that reduces the capacity of the power source and vibration/fatigue of the device compared to prior art methods. The device uses smaller diameter load spokes that contact the tire to simulate road conditions. This allows using a smaller mass load to excite the tire, reducing power source capacity. The device derives phase differences between load variations and load spoke position to evaluate rolling resistance. Smaller load spokes also reduce vibration/fatigue on the device structure compared to larger drums.

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Method for generating tire load histories to simulate loads on a tire for indoor testing or computer simulation. The method involves identifying a vehicle test course, driving a vehicle on it, measuring accelerations and speed, generating a virtual test course from the measured data, collecting tire performance info, building a virtual tire, providing vehicle attributes, generating the tire load history by simulating the vehicle on the virtual course, and testing a physical tire against that history.

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High-speed, high-stiffness tire testing bench that allows accurate and realistic testing of tire mechanical properties at high speeds. The bench uses a road simulation mechanism with a rotating drum inside a double web and stabilizer to provide a rigid, fixed contact surface for the tire. A vertical positioning system with a servo motor lifts the tire synchronously with the drum to eliminate gaps and maintain accurate tire-road contact. This prevents vertical movement during testing. The driving mechanism uses a separate motor, belts, and blower to power the drum for high speeds without heat transfer.

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Indoor tire testing device that allows realistic evaluation of tire performance on various road surfaces without actually driving on roads. The device has a carriage to hold the test wheel and a driving system. The driving system has separate power sources for speed and torque. The test wheel speed matches carriage speed, but torque is applied using a servo motor. This allows independent control of wheel speed and torque for simulation. The carriage travels on a road surface replica. A sensor array detects force distribution under the tire. Multiple profile images capture force distribution for 3 forces. This provides detailed load analysis beyond just average contact pressure. The device allows evaluating tire performance on a wide range of road conditions without actual driving.

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A dynamic tire pressure testing device to accurately simulate tire performance under high loads and speeds. The device has a test bench with vertical pressure-spoke mounts on either side. Tire mounts are on the bench between them. A drive assembly is between the tire mounts. This allows replicating the dynamic pressure resistance experienced by tires on rough surfaces at high speeds. The pressure spokes have rough surfaces with high friction to simulate rough road conditions.

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Fatigue impact test equipment for assessing the durability and fatigue resistance of automotive suspension, wheels, and tires. It simulates the impact and fatigue loading experienced by these components during driving on rough roads. The equipment allows testing the joint fatigue and impact performance of the wheel, tire, and suspension system in a way that better represents real-world conditions compared to separate fatigue or impact tests. The equipment has a movable tire mounting plate connected to a shock absorber assembly that can slide left and right. This allows the tires to contact and separate from a rotating hub with obstacles that simulate road irregularities. The hub rotates to replicate vehicle speed and steering. The equipment also has a push-pull mechanism to simulate steering. This integrated setup provides more realistic fatigue and impact loading on the wheel, tire, and suspension components together.

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A tire wear performance testing system that accurately simulates real-world road conditions to evaluate tire wear resistance. The system has a test chamber with a door, a pressure device to apply load to the tire, a simulated road surface below, and a drive system to rotate the tire. This allows testing tire wear while simulating factors like turning, slipping, and road surfaces.

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A test system and method for static loading of tires on new energy vehicles to accurately measure the load when the tire reaches the maximum allowable deformation. The system uses a horizontal base plate with vertical mounting, a vertical plate with a pressure mechanism, a driving mechanism, and a guide mechanism. A fixation mechanism on the base plate holds the tire. The detection mechanism has a rotating shaft and sliding block to measure sidewall deformation. A sealing block and screw allow precise adjustment when the sidewall exceeds max deformation. The guide mechanism moves the cone plate horizontally to disengage the driving mechanism when the tire reaches max load. This allows accurate measurement of the load using the detection mechanism. The system is adaptable to different rim sizes and configurations.

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A comprehensive tire wear testing system that allows testing of tire wear resistance in different environments like high/low temperature and corrosive conditions. The system has a chamber with a door, a simulated road surface at the bottom, a pressure device on top to apply load, and a driving system to rotate the tire. This enables testing tire wear in controlled conditions that simulate real-world scenarios.

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Durability testing system for automobile tires that provides reliable and realistic tests while mitigating damage to the tires and test equipment. The system uses a workbench with a shock absorber, baffle, and buffer to cushion and limit tire movement during testing. The tire is fixed and hammered to simulate driving impacts. A test device can then move left to test the tire. The shock absorber prevents separation and damage. The baffle guides tire motion. The buffer absorbs forces. A variable test board simulates different tire environments.

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Tire indoor durability testing machine with a drum structure and force measuring device that accurately replicates the deformation and forces experienced by tires on the road during indoor testing. The machine has a rotating drum, a pressure applying device, and a force measuring device. The force measuring device has a six-axis force sensor to accurately measure the pressure and forces applied to the tire during testing. This allows replicating the complex deformations and forces experienced by tires on the road during indoor testing, providing more accurate durability results compared to traditional smooth drum machines.

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Core loading mechanism for tire dynamic simulation tests that allows precise and dynamic tire loading for accurate simulation of tire performance. The mechanism has a hydraulic cylinder with a short stroke and a locking device to prevent lateral movement. The short stroke cylinder improves the natural frequency and dynamic load performance compared to longer stroke cylinders. The locking device prevents the cylinder from sliding laterally during loading. This enables precise and controlled dynamic loading of tires during simulation testing.

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