CN203595609U - Vehicle for testing mechanical property of tyre in multiple working conditions - Google Patents
Vehicle for testing mechanical property of tyre in multiple working conditions Download PDFInfo
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- CN203595609U CN203595609U CN201320394427.5U CN201320394427U CN203595609U CN 203595609 U CN203595609 U CN 203595609U CN 201320394427 U CN201320394427 U CN 201320394427U CN 203595609 U CN203595609 U CN 203595609U
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Abstract
The utility model relates to a vehicle for testing the mechanical property of a tyre in multiple working conditions, and the vehicle comprises four electric wheel movement units which are respectively connected to a chassis through a steering support. The vehicle also comprises a control console, a battery, a non-contact speed sensor, an inertia testing unit, and a heavy block, wherein the control console, the battery, the non-contact speed sensor and the inertia testing unit are respectively disposed on the chassis, and the heavy block is disposed on the chassis through adjusting a sliding platform. Each electric wheel movement unit comprises a hub motor, a steering servo motor, a wheel steering angle sensor, a tyre six-component sensor, a tyre connecting disc equipped with a tested tyre, and a wheel support. The wheel steering angle sensor, the tyre six-component sensor, the non-contact speed sensor and the inertia testing unit are respectively in communication connection with a central processor in the control console through data lines, so as to achieve the collection of measurement data of a tyre steering angle, six-component forces, and the longitudinal acceleration, lateral acceleration and yaw velocity of the vehicle. The vehicle can achieve the simulation test of driving, braking, rolling resistance, lateral deviation, lateral deviation / longitudinal sliding combination and other working conditions.
Description
Technical field
The utility model belongs to tire dynamics performance testing device, be specifically related to a kind of distributed electrically driven (operated) multi-state mechanics of tire test carriage, can be tire dynamics research provides multi-state test data, technical support is provided, detects and assessment provides technological means for road friction factor for tire and mating of car load.
Background technology
Tire is parts important on automobile.Acting force between car load and ground all transmits by tire.Mechanics of tire characteristic is the basic link in dynamics of vehicle research, and the complicacy of material, the structure etc. of tire makes the theoretical research of tire characteristics also very immature.Various tire characteristics testing apparatuss are developed for understanding the mechanical characteristic people of tire in depth.Can be divided into two kinds by the using area difference of equipment: indoor Tire experiment platform, outdoor tire test trailer.Wherein laboratory experiment platform has that cost is low, operating mode is easy to realize and the advantage such as control.But the road analogy of laboratory experiment platform is difficult to consistent with the friction factor of true testing field road.The outdoor tire test trailer of this respect has certain advantage, and it can reach and specify test site to test.But outdoor trailer also has a lot of shortcoming and defect, the cost of ordinary test trailer is all very high, and maintenance and use cost are also larger, and the athletic posture of trailer is also relatively difficult to control.By finding out that above current indoor and outdoor tire-testing equipment has its weak point.
Wheel hub motor is subject to extensive concern in recent years.Change the center driven mode of conventional truck based on the distributed driving electric motor car of wheel hub motor, made the more convenient control of the operating mode such as driving, braking of vehicle.The exploitation of wheel hub motor technology being introduced to tire-testing equipment also will further promote the progress of tire test technology.
Summary of the invention
The purpose of this utility model is the defect existing in order to overcome existing tire testing system, a kind of multi-state mechanics of tire characteristic test car is proposed, based on this test carriage, can realize under the load, speed, tire pressure condition of specifying, realize the driving, braking, resistance to rolling, lateral deviation, lateral deviation of tire/vertical sliding compound, turn partially, simulation and the test of the multi-state such as stable state, transient state, also can obtain the friction factor between tire and road surface simultaneously.
The utility model multi-state mechanics of tire characteristic test car, comprise that 4 are connected to the Electric Motor Wheel moving cell on test carriage chassis by turning rack respectively, be arranged on control desk, battery, noncontact speed pickup, inertia test cell (IMU) on test carriage chassis, be arranged on the pouring weight on test carriage chassis by adjusting slide unit, described each Electric Motor Wheel moving cell comprises: wheel hub motor, turn to servomotor, wheel steering angle sensor, tire six-component sensor, install tire terminal pad and the wheel stand of tested tire;
Described wheel stand is by turning to servomotor 5 to be hinged on turning rack, wheel hub motor is connected on wheel stand by tire six-component sensor, the tire terminal pad that installs tested tire is connected on the rotor of wheel hub motor, and wheel steering angle sensor is arranged on the free end that turns to servomotor;
Described wheel hub motor and turn to the driving control panel in servomotor and control desk to be connected, to realize the rolling of tire and to turn to control.Described wheel steering angle sensor, tire six-component sensor, noncontact speed pickup, inertia test cell (IMU) by data line respectively with control desk in central controller communication link, to realize the measurement data acquisition of longitudinal acceleration, side acceleration and yaw velocity of tire steering angle and six component and vehicle.
While adopting the utility model multi-state mechanics of tire characteristic test car to carry out mechanics of tire characteristic test, testing tire is connected on tire terminal pad by wheel rim.
When tire rolls under appointment operating mode, its six component that are subject to are recorded by tire six-component sensor.
Can change the load of car load by the quantity of increase and decrease pouring weight, by regulating slide unit can change the position of pouring weight on chassis, thereby before and after changing, wheel load distributes.Noncontact speed pickup can be measured longitudinal velocity and the side velocity of vehicle in the time that test carriage travels.
Inertia test cell can be measured longitudinal acceleration, side acceleration and the yaw velocity of vehicle in the time that test carriage travels, and the data line of inertia test cell is connected with control desk, sends test data to control terminal.
The attribute testings such as test macro of the present utility model can be used for vertical sliding compound, the resistance to rolling of the lateral deviation of tire, vertical sliding, lateral deviation, turn partially, obtain the test feature curve of tire under each operating mode.
Its test method is as follows:
1, the test of tire cornering characteristics
A. select vertical load by pouring weight position adjustments slide unit, make front and back wheel in different appointment load;
B. allow test carriage straight-line travelling (respectively taking turns without steering angle) to command speed, apply definite rightabout steering angle to two front-wheels or two trailing wheels, now Vehicle Driving Cycle resistance increment, adjust two wheel electrical machine electric currents that do not apply steering angle, make vehicle keep the speed of specifying, now measure side drift angle and six component of reading tire;
C. repeating step b obtains the tire cornering characteristics curve under various side drift angles;
2, the test of vertical sliding (driving/braking) characteristic of tire
A. select vertical load by pouring weight position adjustments slide unit, make front and back wheel in different appointment load;
B. allow test carriage straight-line travelling (respectively taking turns without steering angle) to command speed, give less damping force of two trailing wheels (the anti-motor that drags), regulate two front turbin generators that the speed of a motor vehicle is maintained and specify size, (driving wheel angular velocity is obtained by speed probe in wheel hub motor now to measure front wheel driving power and driving slip rate, the speed of a motor vehicle is obtained by tachogenerator), can record rear-wheel braking force and braking skid rate (slip rate method of testing is identical with driving) simultaneously;
C. change the size of rear-wheel braking force until trailing wheel is entirely sliding, repeating step b can obtain drive characteristic curve and braking characteristic curve, changes load and speed and obtains driving, the braking characteristic experimental result under corresponding operating mode.
3, the test of tire drag characteristic
A. select vertical load by pouring weight position adjustments slide unit 13, make front and back wheel in different appointment load;
B. driven and made test carriage reach command speed by the motor of two front-wheels, front and back wheel, all without steering angle straight-line travelling, is now tested the resistance to rolling of two trailing wheels (engaged wheel);
C. the actuating speed that changes two front-wheels repeats process above repeatedly, can obtain the rolling resistance property curve increasing with speed.
4, the test of the inclined to one side characteristic of tyre revolution
A. select vertical load by pouring weight position adjustments slide unit, make front and back wheel in different appointment load;
B. allow test carriage straight-line travelling (respectively taking turns without steering angle) to command speed (initial velocity is too not high), make that two front-wheels are turned left, two trailing wheels are turned right, the corner of four wheels makes test carriage take O point as initial point, take R as radius is around circular motion, realizes the inclined to one side motion of turning of tire.Now measure side force and the aligning torque of tire;
C. change corner and make test carriage in different curvature (1/R) circular motion, record corresponding side force and aligning torque, repeatedly obtain the inclined to one side family curve of turning of tire.
5, tire drives the test of lateral deviation composite attribute
A. select vertical load by pouring weight position adjustments slide unit, make front and back wheel in different appointment load;
B. make two front-wheel straight-line travellings and drive test carriage to reach certain speed, left rear wheel is turned left, off hind wheel right-hand rotation equal angular, make two trailing wheels also drive vehicle to reach command speed simultaneously, now record longitudinal force, side force and the aligning torque of two rear tyres, and record the angular velocity of tire, calculate the driving slip rate of tire in conjunction with the speed of a motor vehicle;
C. repeat driving, lateral deviation composite attribute test result that multiple slip rate and steering angle record corresponding tire force, moment and can obtain tire.This experiment can also complete under the conditions such as friction speed, load, tire pressure.
6, the test of tire braking lateral deviation composite attribute
A. select vertical load by pouring weight position adjustments slide unit, make front and back wheel in different appointment load;
B. make two front-wheel straight-line travellings and drive test carriage to reach certain speed, left rear wheel is turned left, off hind wheel right-hand rotation equal angular, make two trailing wheel brakings simultaneously, and regulate two front-wheel drive electric currents to make vehicle keep command speed, now record longitudinal force, side force and the aligning torque of two rear tyres, and record the angular velocity of tire, calculate the braking skid rate of tire in conjunction with the speed of a motor vehicle;
C. repeat braking, lateral deviation composite attribute test result that multiple slip rate and steering angle record corresponding tire force, moment and can obtain tire.This experiment can also complete under the conditions such as friction speed, load, tire pressure.
Obviously, can change time dependent transient state into by stable state and input according to obtaining transient test result on the basis of the different steady-states method of test of above-mentioned six classes of input, inputting, continuous acquisition be measured the transient changing process of tire motion state and power.Can obtain transient state mechanical property testing result.
The utlity model has following outstanding technique effect:
1) flexible combination that test macro of the present utility model and method are driven, braked, turn to by each tire on same set of test carriage realizes multi-state and efficiently tests, and improves the utilization factor of equipment, reduces setup time and the enforcement time of test.
2) test carriage the utility model proposes can complete cornering behavior test and lateral deviation-vertical sliding test in rectilinear motion, has greatly reduced lateral deviation and has tested the requirement to place size, has reduced experimental cost.
3) test carriage the utility model proposes and method of testing can be widely used in various tires, comprise vehicle tyre and the aero tyres such as passenger car, commercial car, engineering truck, motorcycle, need only choose suitable load pouring weight, appropriate transducer range and the power of motor according to the request for utilization of detected tyre.
4) in the test carriage the utility model proposes, the stator of wheel hub motor is connected with tire six-component sensor, in tire rolling, six-component sensor is motionless, therefore can avoid adopting the six-component sensor of the labyrinths such as slip ring, greatly reduce six-component sensor cost, also avoided the increase of the tire motion inertia causing due to six-component sensor participation tyre rotation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model multi-state mechanics of tire characteristic test car;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the electrical equipment principle schematic of the utility model multi-state mechanics of tire characteristic test car;
Fig. 4 is another structural representation of the utility model multi-state mechanics of tire characteristic test car;
Fig. 5 is lateral deviation experimental technique schematic diagram;
Fig. 6 is vertical sliding (driving/braking) experimental technique schematic diagram;
Fig. 7 is rolling resistance property experimental technique schematic diagram;
Fig. 8 turns inclined to one side characteristic test method schematic diagram;
Fig. 9 is driving, lateral deviation composite attribute experimental technique schematic diagram;
Figure 10 is braking, lateral deviation composite attribute experimental technique schematic diagram.
Embodiment
The example providing below in conjunction with accompanying drawing is described in further detail the utility model.
Embodiment 1
Referring to figs. 1 through 3, a kind of multi-state mechanics of tire characteristic test car, comprise that 4 are connected to the Electric Motor Wheel moving cell on test carriage chassis 2 by turning rack 11 respectively, be arranged on the control desk 1 on test carriage chassis 2, battery 12, noncontact speed pickup 14, inertia test cell (IMU) 15, be arranged on the pouring weight 9 on test carriage chassis 2 by adjusting slide unit 13, described each Electric Motor Wheel moving cell comprises: wheel hub motor 3, turn to servomotor 5, wheel steering angle sensor 6, tire six-component sensor 7, install tire terminal pad 8 and the wheel stand 10 of tested tire 4,
Described wheel stand 10 is by turning to servomotor 5 to be hinged on turning rack 11, wheel hub motor 3 is connected on wheel stand 10 by tire six-component sensor 7, the tire terminal pad 8 that installs tested tire 4 is connected on the rotor of wheel hub motor 3, and wheel steering angle sensor 6 is arranged on the free end that turns to servomotor 5;
Described wheel hub motor 3 and turn to servomotor 5 and the driving control panel in control desk 1 to be connected, to realize the rolling of tire and to turn to control.Described wheel steering angle sensor 6, tire six-component sensor 7, noncontact speed pickup 14, inertia test cell (IMU) 15 by data line respectively with control desk 1 in central controller communication link, to realize the measurement data acquisition of longitudinal acceleration, side acceleration and yaw velocity of tire steering angle and six component and vehicle.
When tire rolls under appointment operating mode, its six component that are subject to are recorded by tire six-component sensor.
Pouring weight 9 is connected and fixed on pouring weight position adjustments slide unit 13, can change the load of car load by the quantity of increase and decrease pouring weight, and by regulating slide unit 13 can change the position of pouring weight on test carriage chassis 2, thereby before and after changing, wheel load distributes.Pouring weight position adjustments slide unit 13 is fastened on test carriage chassis 2.
The utility model multi-state mechanics of tire characteristic test car, also can form by mode shown in Fig. 4:
A kind of multi-state mechanics of tire characteristic test car, comprise that 4 are connected to the Electric Motor Wheel moving cell on test carriage chassis 2 by turning rack 11 respectively, be arranged on control desk 1, battery 12, noncontact speed pickup 14, inertia test cell (IMU) 15 on test carriage chassis 2, be arranged on the pouring weight 9 on test carriage chassis 2 by adjusting slide unit 13, described each Electric Motor Wheel moving cell comprises: wheel hub motor 3, the tire terminal pad 8 that turns to servomotor 5, wheel steering angle sensor 6, tire six-component sensor 7, device to test tire 4 and wheel stand 10;
Described wheel stand 10 is by tire six-component sensor 7 and to turn to servomotor 5 to be hinged on turning rack 11 (be that wheel stand 10 is rigidly connected with tire six-component sensor 7, tire six-component sensor 7 is by turning to servomotor 5 to be hinged on turning rack 11), wheel hub motor 3 is connected on wheel stand 10, the tire terminal pad 8 of device to test tire 4 is connected on the rotor of wheel hub motor 3, and wheel steering angle sensor 6 is arranged on the free end that turns to servomotor 5;
Described wheel hub motor 3 and turn to servomotor 5 and the driving control panel in control desk 1 to be connected, described wheel steering angle sensor 6, tire six-component sensor 7, noncontact speed pickup 14, inertia test cell (IMU) 15 by data line respectively with control desk 1 in central controller communication link.
As can be seen here, the attribute testing such as test macro of the present utility model can be used for vertical sliding compound, the resistance to rolling of the lateral deviation of tire, vertical sliding, lateral deviation, turn partially, obtains the test feature curve of tire under each operating mode.
1) lateral deviation test
As shown in Figure 5, in test first place specified load on chassis to test carriage, change pouring weight position by pouring weight position adjustments slide unit, make two front-wheels and two trailing wheels be subject to respectively specifying load one and load two effects.Allow test carriage straight-line travelling (respectively taking turns without steering angle) to command speed, apply definite rightabout steering angle to two front-wheels or two trailing wheels, now Vehicle Driving Cycle resistance increment, adjust two wheel electrical machine electric currents that do not apply steering angle, make vehicle keep the speed of specifying, now measure side drift angle and six component of reading tire.Increase steering angle and be worth to certain, repeat above step, thereby the side force of tire obtaining under multiple side drift angles changes.Obtain thus the stable state lateral deviation mechanics characteristic curve of testing tire.
Application and similarly operation of stable state lateral deviation test, in the time that test carriage straight-line travelling reaches command speed, give two front-wheels/or two trailing wheels apply transient state input (as angle sine or angle step etc.), continuous recording tire steering angle and six points of force signals of tire are in the variation of transient process simultaneously.So just obtain tire transient state (unstable state) lateral deviation dynamic characteristic test result.
2) driving/braking test
As shown in Figure 6, in test first place specified load on chassis to test carriage, change pouring weight position by pouring weight position adjustments slide unit, make two front-wheels and two trailing wheels be subject to respectively specifying load one and load two effects.Allow test carriage straight-line travelling (respectively taking turns without steering angle) to command speed, give less damping force of two trailing wheels (the anti-motor that drags), regulate two front turbin generators that the speed of a motor vehicle is maintained and specify size, (driving wheel angular velocity is obtained by speed probe in wheel hub motor now to measure front wheel driving power and driving slip rate, the speed of a motor vehicle is obtained by tachogenerator), can record rear-wheel braking force and braking skid rate (slip rate method of testing is identical with driving) simultaneously.Change the size of rear-wheel braking force until trailing wheel is entirely sliding, can obtain drive characteristic curve and braking characteristic curve, change load and speed and obtain driving, the braking characteristic experimental result under corresponding operating mode.
3) rolling resistance test
As shown in Figure 7, in test first place specified load on chassis to test carriage.Driven and made test carriage reach command speed by the motor of two front-wheels, front and back wheel, all without steering angle straight-line travelling, is now tested the resistance to rolling of two trailing wheels (engaged wheel).The actuating speed that changes two front-wheels repeats process above repeatedly, can obtain the rolling resistance property curve increasing with speed.
4) turn inclined to one side test
As shown in Figure 8, in test first place specified load on chassis to test carriage, change pouring weight position by pouring weight position adjustments slide unit, make two front-wheels and two trailing wheels be subject to respectively specifying load one and load two effects.Allow test carriage straight-line travelling (respectively taking turns without steering angle) to command speed (initial velocity is too not high), make that two front-wheels are turned left, two trailing wheels are turned right, the corner of four wheels makes test carriage take O point as initial point, take R as radius is around circular motion, realizes the inclined to one side motion of turning of tire.Now measure side force and the aligning torque of tire.Change corner and make test carriage in different curvature (1/R) circular motion, record corresponding side force and aligning torque, repeatedly obtain the inclined to one side family curve of turning of tire.
5) driving/lateral deviation is compound
In test first place specified load on chassis to test carriage, change pouring weight position by pouring weight position adjustments slide unit, make two front-wheels and two trailing wheels be subject to respectively specifying load one and load two effects.As shown in Figure 9, make two front-wheel straight-line travellings and drive test carriage to reach certain speed, left rear wheel is turned left, off hind wheel right-hand rotation equal angular, make two trailing wheels also drive vehicle to reach command speed simultaneously, now record longitudinal force, side force and the aligning torque of two rear tyres, and record the angular velocity of tire, calculate the driving slip rate of tire in conjunction with the speed of a motor vehicle, repeat multiple slip rate and steering angle and record corresponding tire force, moment and can obtain driving, the lateral deviation composite attribute test result of tire.This experiment can also complete under the conditions such as friction speed, load, tire pressure.
6) braking lateral deviation is compound
In test first place specified load on chassis to test carriage, change pouring weight position by pouring weight position adjustments slide unit, make two front-wheels and two trailing wheels be subject to respectively specifying load one and load two effects.As shown in figure 10, make two front-wheel straight-line travellings and drive test carriage to reach certain speed, left rear wheel is turned left, off hind wheel right-hand rotation equal angular, make two trailing wheels by motor braking simultaneously, regulate two front-wheels to make vehicle reach command speed, now record longitudinal force, side force and the aligning torque of two rear tyres, and record the angular velocity of tire, calculate the driving slip rate of tire in conjunction with the speed of a motor vehicle, repeat multiple slip rate and steering angle and record corresponding tire force, moment and can obtain braking, the lateral deviation composite attribute test result of tire.This experiment can also complete under the conditions such as friction speed, load, tire pressure.
More than introduce the experimental technique that test carriage that application the utility model proposes obtains six kinds of stable state mechanical characteristics of tire.The transient state that can be realized under above six kinds of operating modes by test carriage according to same reason is tested, as long as input is time dependent (being specified by experimenter), the variation that tire motion state and power are recorded in continuous coverage just can obtain the transient experiment result of corresponding tire mechanical characteristic.
Claims (2)
1. a multi-state mechanics of tire characteristic test car, comprise that 4 are connected to the Electric Motor Wheel moving cell on test carriage chassis (2) by turning rack (11) respectively, be arranged on the control desk (1) on test carriage chassis (2), battery (12), noncontact speed pickup (14), inertia test cell IMU(15), be arranged on the pouring weight (9) on test carriage chassis (2) by adjusting slide unit (13), described each Electric Motor Wheel moving cell comprises: wheel hub motor (3), turn to servomotor (5), wheel steering angle sensor (6), tire six-component sensor (7), the tire terminal pad (8) of device to test tire (4) and wheel stand (10), it is characterized in that:
Described wheel stand (10) is by turning to servomotor (5) to be hinged on turning rack (11), wheel hub motor (3) is connected on wheel stand (10) by tire six-component sensor (7), the tire terminal pad (8) of device to test tire (4) is connected on the rotor of wheel hub motor (3), and wheel steering angle sensor (6) is arranged on the free end that turns to servomotor (5);
Described wheel hub motor (3) and turn to the driving control panel in servomotor (5) and control desk (1) to be connected, described wheel steering angle sensor (6), tire six-component sensor (7), noncontact speed pickup (14), inertia test cell IMU(15) by data line respectively with control desk (1) in central controller communication link.
2. a multi-state mechanics of tire characteristic test car, comprise that 4 are connected to the Electric Motor Wheel moving cell on test carriage chassis (2) by turning rack (11) respectively, be arranged on the control desk (1) on test carriage chassis (2), battery (12), noncontact speed pickup (14), inertia test cell IMU(15), be arranged on the pouring weight (9) on test carriage chassis (2) by adjusting slide unit (13), described each Electric Motor Wheel moving cell comprises: wheel hub motor (3), turn to servomotor (5), wheel steering angle sensor (6), tire six-component sensor (7), the tire terminal pad (8) of device to test tire (4) and wheel stand (10), it is characterized in that:
Described wheel stand (10) is by tire six-component sensor (7) and turn to servomotor (5) to be hinged on turning rack (11), wheel hub motor (3) is connected on wheel stand (10), the tire terminal pad (8) of device to test tire (4) is connected on the rotor of wheel hub motor (3), and wheel steering angle sensor (6) is arranged on the free end that turns to servomotor (5);
Described wheel hub motor (3) and turn to the driving control panel in servomotor (5) and control desk (1) to be connected, described wheel steering angle sensor (6), tire six-component sensor (7), noncontact speed pickup (14), inertia test cell IMU(15) by data line respectively with control desk (1) in central controller communication link.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320394427.5U CN203595609U (en) | 2013-07-03 | 2013-07-03 | Vehicle for testing mechanical property of tyre in multiple working conditions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320394427.5U CN203595609U (en) | 2013-07-03 | 2013-07-03 | Vehicle for testing mechanical property of tyre in multiple working conditions |
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| CN203595609U true CN203595609U (en) | 2014-05-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353402A (en) * | 2013-07-03 | 2013-10-16 | 吉林大学 | Testing vehicle and testing method for mechanical characteristics of tires under different conditions |
| CN109406034A (en) * | 2018-12-03 | 2019-03-01 | 中汽研（常州）汽车工程研究院有限公司 | A kind of novel six-component sensor lateral components |
| CN109883733A (en) * | 2019-03-21 | 2019-06-14 | 上海振华重工(集团)股份有限公司 | Tyre test stand |
| CN110160810A (en) * | 2019-06-14 | 2019-08-23 | 青岛科技大学 | Tire rolling resistance test method under indoor various working |
| CN112557065A (en) * | 2020-12-16 | 2021-03-26 | 东风汽车集团有限公司 | Tire braking performance multidimensional verification method and system |
-
2013
- 2013-07-03 CN CN201320394427.5U patent/CN203595609U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353402A (en) * | 2013-07-03 | 2013-10-16 | 吉林大学 | Testing vehicle and testing method for mechanical characteristics of tires under different conditions |
| CN103353402B (en) * | 2013-07-03 | 2015-06-17 | 吉林大学 | Testing vehicle and testing method for mechanical characteristics of tires under different conditions |
| CN109406034A (en) * | 2018-12-03 | 2019-03-01 | 中汽研（常州）汽车工程研究院有限公司 | A kind of novel six-component sensor lateral components |
| CN109406034B (en) * | 2018-12-03 | 2024-03-08 | 中汽研汽车检验中心(常州)有限公司 | Six-component force sensor outer side assembly |
| CN109883733A (en) * | 2019-03-21 | 2019-06-14 | 上海振华重工(集团)股份有限公司 | Tyre test stand |
| CN110160810A (en) * | 2019-06-14 | 2019-08-23 | 青岛科技大学 | Tire rolling resistance test method under indoor various working |
| CN112557065A (en) * | 2020-12-16 | 2021-03-26 | 东风汽车集团有限公司 | Tire braking performance multidimensional verification method and system |
| CN112557065B (en) * | 2020-12-16 | 2022-01-04 | 东风汽车集团有限公司 | Tire braking performance multidimensional verification method and system |
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Granted publication date: 20140514 Effective date of abandoning: 20150617 |
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