CN107271203A - A kind of mechanics of tire property test platform - Google Patents
A kind of mechanics of tire property test platform Download PDFInfo
- Publication number
- CN107271203A CN107271203A CN201710635623.XA CN201710635623A CN107271203A CN 107271203 A CN107271203 A CN 107271203A CN 201710635623 A CN201710635623 A CN 201710635623A CN 107271203 A CN107271203 A CN 107271203A
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- China
- Prior art keywords
- power transmission
- transmission shaft
- tire
- mechanics
- fixed disk
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
- G01M17/022—Tyres the tyre co-operating with rotatable rolls
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tires In General (AREA)
Abstract
The present invention provides a kind of mechanics of tire property test platform, including testing stand support frame, elevating drive mechanism, rotating actuator, the first supporting plate and pressure sensor, and elevating mechanism includes portal frame, two guide rails and hydraulic cylinder;Two guide rails are vertically on lower supporting plate, and the both sides rack side wall of portal frame is provided with chute, and two guiding cheekns are provided with sliding block, and chute is engaged with sliding block moves rotating actuator liftable, and driving portal frame does lifting on guide rail and moved back and forth;Rotating actuator, including power transmission shaft, motor, wheel hub fixed cell;Wheel hub fixed cell includes the first fixed disk, the second fixed disk, and the first fixed disk, the second fixed disk, which are sheathed on power transmission shaft, is used for stationary hub, and power transmission shaft is provided with raised limiting section, and the first fixed disk is provided with coordinates spacing depression limiting section with raised limiting section;Power transmission shaft includes first rotating shaft, the second rotating shaft;First rotating shaft is connected with the second rotating shaft left-hand thread.
Description
Technical field
The present invention relates to Tire testing field, more particularly to a kind of mechanics of tire property test platform.
Background technology
In engineering truck industry, the resistance to hysteresis loss performance of the tyre testers of most of producers all application specifics to tire
Tested, but in existing Tire experiment platform, tire uses the force analysis under inactive state, such test result
It is inaccurate;Even if using the force analysis rotated under zapping, the wherein connection of power transmission shaft and tire uses integral type, in quilt
Test when tire is damaged or changed tested tyre model and dismantle difficult, severe attrition man-hour.
The content of the invention
It is an object of the invention to overcome the shortcomings of prior art presence, there is provided a kind of mechanics of tire performance test
Platform:Including testing stand support frame, elevating drive mechanism, rotating actuator, the first supporting plate and pressure sensor;
The testing stand support frame includes upper support frame, lower supporting plate, carrier;The upper support frame and the lower support
Plate connects to form rectangle support structure by the loading plate, and first supporting plate connects symmetrical in the upper bracket
Both sides;
The elevating mechanism includes portal frame, two guide rails and hydraulic cylinder;Two guide rails are vertically under described
In supporting plate, the both sides rack side wall of the portal frame is provided with chute, and two guiding cheekns are provided with sliding block, the chute with
The sliding block, which is engaged, moves the rotating actuator liftable;In the hydraulic stem of the hydraulic cylinder and the portal frame
Between support be connected, drive the portal frame to do lifting on the guide rail and move back and forth;
The rotating actuator, including power transmission shaft, motor, wheel hub fixed cell;The wheel hub fixed cell bag
The first fixed disk, the second fixed disk are included, first fixed disk, second fixed disk, which are sheathed on the power transmission shaft, to be used for admittedly
Fixed wheel hub, the power transmission shaft is provided with raised limiting section, and first fixed disk is provided with coordinates spacing with the raised limiting section
Be recessed limiting section;
The power transmission shaft is connected with the motor, and the power transmission shaft includes first rotating shaft, the second rotating shaft;Described
One rotating shaft is connected with second shaft thread, and it is in opposite direction that the direction of the threaded connection and the power transmission shaft rotate;
The pressure sensor is on the axial plane that the power transmission shaft is in contact with the wheel hub.
As a further improvement, the testing stand further comprises roller, the roller passes through the lower supporting plate and institute
The stress surface for stating tire on wheel hub fixed cell is in contact.
As a further improvement, the tire force face and the contact area of the roller account for the tire force face
10%-95%.
As a further improvement, the roller and the contact surface in the tire force face are provided with some lug bosses.
As a further improvement, it is corresponding to have position on first fixed disk, second fixed disk, wheel hub
Spacing hole.
As a further improvement, the intrinsic frequency of support frame as described above is higher than the support frame as described above in the rotating shaft rotary test
Frequency 10HZ-20HZ, the intrinsic frequency span be 80HZ-100HZ.
As a further improvement, the span of the intrinsic frequency is 85HZ-95HZ.
As a further improvement, the motor uses frequency control motor, the ac variable frequency speed regulation electricity
The variable frequency range of motivation is 2-200HZ;The range of speeds of the motor is 0-300KM/H.
As a further improvement, the power transmission shaft uses carbon steel.
As a further improvement, the carbon steel material uses the carbon steel of model Q235,35,45.
Compared with prior art, the present invention has advantages below:
1. the present invention drives the power transmission shaft by the motor, the tire rotation is driven, frictional force is added
Considered etc. factor, simulate the traveling situation of tire under truth so that test measurement result is more accurate.
2. the power transmission shaft includes first rotating shaft, the second rotating shaft in the present invention;The first rotating shaft with described second turn
Axle thread is connected, and it is in opposite direction that the direction of the threaded connection and the power transmission shaft rotate;The mode of this connection is ensureing
On the premise of two rotating shafts are stably connected with, also cause the wheel hub fixed cell being assemblied on the power transmission shaft is more convenient to tear open
Unload, save man-hour.
3. the scope in the tire force face is accounted for by the contact area of designing tyre stress surface and roller in the present invention,
Simulate under uniform pressure, different lifting surface areas, under different pressure, the ability to bear of tire.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of fixed disk of mechanics of tire property test platform first of the invention.
Fig. 2 is a kind of overall schematic of mechanics of tire property test platform power transmission shaft of the invention.
Fig. 3 is a kind of power transmission shaft schematic diagram of mechanics of tire property test platform of the invention.
Fig. 4 is a kind of overall structure diagram of mechanics of tire property test platform of the invention.
Fig. 5 is a kind of overall structure diagram of mechanics of tire property test platform portal frame of the invention.
Fig. 6 is a kind of overall structure diagram of mechanics of tire property test platform wheel hub fixed cell of the invention.
Main element symbol description
Testing stand support frame 1
Support frame 110
Lower supporting plate 120
Carrier 130
Elevating drive mechanism 2
Portal frame 210
Two side stands 211
Intermediate support 212
Guide rail 220
Hydraulic cylinder 230
Rotating actuator 3
Power transmission shaft 310
First rotating shaft 311
Second rotating shaft 312
Raised limiting section 313
Motor 320
Wheel hub fixed cell 330
First fixed disk 331
Be recessed limiting section 331A
Second fixed disk 332
First supporting plate 4
Pressure sensor 5
Roller 6
Embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, below in conjunction with present invention implementation
Accompanying drawing in mode, the technical scheme in embodiment of the present invention is clearly and completely described, it is clear that described reality
The mode of applying is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.Therefore, the detailed description of embodiments of the present invention below to providing in the accompanying drawings, which is not intended to limit, wants
The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to this
Invent the scope of protection.
In the description of the invention, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " are base
In orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply
Signified equipment or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects
Connect or electrically connect;Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in figs 1 to 6, the present embodiment provides a kind of mechanics of tire property test platform, including testing stand support frame
1st, elevating drive mechanism 2, rotating actuator 3, the first supporting plate and pressure sensor 5;
The testing stand support frame 1 includes upper support frame 110, lower supporting plate 120, carrier 130;The upper support frame
110 are connected to form rectangle support structure with the lower supporting plate 120 by the loading plate, and the first supporting plate connection is described
Symmetrical both sides in upper bracket;
The elevating mechanism includes portal frame 210, two guide rails 220 and hydraulic cylinder 230;Two guide rails 220 are erected
Directly on the lower supporting plate 120, the side wall of two side stand 211 of the portal frame 210 is provided with chute, two guide rails
220 side walls are provided with sliding block, and the chute is engaged with the sliding block moves the liftable of rotating actuator 3;The liquid
The hydraulic stem of cylinder pressure 230 is connected with the intermediate support 212 of the portal frame 210, drives the portal frame 210 in the guide rail
Lifting is done on 220 to move back and forth;At the same time in testing, the hydraulic cylinder 230 can provide lasting identical for the tire
Pressure, or the tire provides the pressure being gradually increased or the pressure weakened gradually or suddenly big or suddenly small pressure
Power, further to the performance of tire to be measured, the different situations that tire runs into simulation reality.
The rotating actuator 3, including power transmission shaft 310, motor 320, wheel hub fixed cell 330;The wheel hub
Fixed cell 330 includes the first fixed disk 331, the second fixed disk 332, first fixed disk 331, second fixed disk
332 are sheathed on the power transmission shaft 310 for stationary hub, and the power transmission shaft 310 is provided with raised limiting section 313, described first
Fixed disk 331 is provided with coordinates spacing depression limiting section 331A with the raised limiting section 313;First fixed disk 331, institute
State the second fixed disk 332, have the corresponding spacing hole in position on wheel hub.It is fixedly connected in the present embodiment by fixture
First fixed disk 331, the second fixed disk 332, the 3rd fixed disk, pass through the raised limiting section 313 and the depression
Limiting section 331A coordinates so that the power transmission shaft 310 drives first drive plate, and first drive plate drives described second
Fixed disk 332 and the wheel hub on the wheel hub fixed cell 330.
It is preferred that, the raised limiting section 313 includes positive stop key and spacing keyway, and the spacing keyway is opened in described
On power transmission shaft 310, the locating part and the stopper slot shape adaptation, the depression limiting section 331A are assembled to institute with described
State the locating part shape adaptation after stopper slot.The intensity of the locating part can carry electricity of the speed in 0-300KM/H
Machine rotating speed.Dismountable positive stop key prevents that positive stop key is broken caused by aging or the problem of connect improper in use,
Directly positive stop key can be changed under conditions of limit shaft is changed without.
The power transmission shaft 310 is connected with the motor 320, and the power transmission shaft 310 includes first rotating shaft 311, the
Two rotating shafts 312;The first rotating shaft 311 is threadedly coupled with second rotating shaft 312, the screw-threaded coupling direction and the transmission
It is in opposite direction that axle 310 rotates;In the present embodiment, by screw-threaded coupling direction and the direction of rotation of power transmission shaft 310 (i.e.,
The direction that the motor rotary shaft is rotated) opposite thread connecting mode so that the wheel hub fixed cell 330 is readily removable
Unload, be convenient for changing wheel hub, power transmission shaft 310, positive stop key or motor 320.
The pressure sensor 5 is on the axial plane that the power transmission shaft 310 is in contact with the wheel hub, the pressure preferably
Force snesor 5 uses adherent strain transducer, and when the testing stand is in test process, the hydraulic cylinder 230 gives institute's wheel hub
Tire on fixed cell 330 provides pressure, and the tire force is deformed, and at the same time the adherent strain transducer is provided
Different resistance value, the pressure value that the tire is born is drawn according to the resistance value, such mode can detect difference
Tire, the tire force situation under carrying same external pressure condition.
The testing stand further comprises roller 6, and the roller 6 is fixed through the lower supporting plate 120 with the wheel hub
The stress surface of tire is in contact on unit 330.The present embodiment saves place at the trial, for example, existed by setting up roller 6
The difference run and run on playground on treadmill.
The contact area of the tire force face and the roller 6 accounts for the 10%-95% in the tire force face, such
Design is imitated in real life, and tire form is when in the case of complex road surface, and the stress surface of tire can not possibly moment and ground hundred
Hundred are divided to be in contact, in the case of pressure identical, lifting surface area is different, the pressure of generation also can be different, and such design is solved
In the case of different pressures or different lifting surface areas, pressure that tire can bear.
The roller 6 and the contact surface in the tire force face are provided with some lug bosses.Such design simulation is true
The road surface with stone sand, more meets truth in road surface.
Frequency of the intrinsic frequency of support frame as described above 110 higher than the support frame as described above 110 in the rotating shaft rotary test
10HZ-20HZ, it is to avoid support frame as described above 110 produces resonance with remaining part and causes structural instability.The intrinsic frequency takes
Value, should be taken into account the stability that can guarantee that Tire testing testing stand first, therefore the span of the intrinsic frequency elects 80HZ- as
100HZ, it is preferred that when the span of the intrinsic frequency is optimal for the stable type of 85HZ-95HZ support frames as described above 110.
The motor 320 uses AC frequency conversion tune of the variable frequency range in 2-200HZ that speed governing is steady, do not produce resonance
Speed is electronic;The range of speeds of the motor 320 is 0-300KM/H, has substantially met the velocity interval of existing vehicle.
The power transmission shaft 310 uses carbon steel, according to the torsion shearing stress of rotary shaft institute different from the torque of power transmission shaft 310
State carbon steel material also to differ using model, when the torsion shearing stress and the torque ratio of the power transmission shaft 310 of the rotary shaft
Uses the carbon steel of Q235 models during for 12-20;When the torsion shearing stress and the torque ratio of the power transmission shaft 310 of the rotary shaft
When being worth for 20-30, using the carbon steel of 35 models;When the torsion shearing stress and the torque ratio of the power transmission shaft 310 of the rotary shaft
When being worth for 30-40, using the carbon steel of 45 models.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (10)
1. a kind of mechanics of tire property test platform, it is characterised in that:Including testing stand support frame, elevating drive mechanism, rotation
Turn transmission mechanism, the first supporting plate and pressure sensor;
The testing stand support frame includes upper support frame, lower supporting plate, carrier;The upper support frame leads to the lower supporting plate
Cross the loading plate to connect to form rectangle support structure, first supporting plate is connected symmetrical two in the upper bracket
Side;
The elevating mechanism includes portal frame, two guide rails and hydraulic cylinder;Two guide rails are located at the lower support vertically
On plate, the both sides rack side wall of the portal frame is provided with chute, and two guiding cheekns are provided with sliding block, the chute with it is described
Sliding block, which is engaged, moves the rotating actuator liftable;The middle branch of the hydraulic stem of the hydraulic cylinder and the portal frame
Frame is connected, and drives the portal frame to do lifting on the guide rail and moves back and forth;
The rotating actuator, including power transmission shaft, motor, wheel hub fixed cell;The wheel hub fixed cell includes the
One fixed disk, the second fixed disk, first fixed disk, second fixed disk, which are sheathed on the power transmission shaft, is used for fast pulley
Hub, the power transmission shaft is provided with raised limiting section, and first fixed disk is provided with coordinates spacing depression with the raised limiting section
Limiting section;
The power transmission shaft is connected with the motor, and the power transmission shaft includes first rotating shaft, the second rotating shaft;Described first turn
Axle is connected with second shaft thread, and it is in opposite direction that the direction of the threaded connection and the power transmission shaft rotate;
The pressure sensor is on the axial plane that the power transmission shaft is in contact with the wheel hub.
2. mechanics of tire property test platform according to claim 1, it is characterised in that:Further comprise roller, institute
Roller is stated to be in contact with the stress surface of tire on the wheel hub fixed cell through the lower supporting plate.
3. mechanics of tire property test platform according to claim 2, it is characterised in that:The tire force face and institute
The contact area for stating roller accounts for the 10%-95% in the tire force face.
4. mechanics of tire property test platform according to claim 2, it is characterised in that:The roller and the tire
The contact surface of stress surface is provided with some lug bosses.
5. mechanics of tire property test platform according to claim 1, it is characterised in that:First fixed disk, institute
State the second fixed disk, have the corresponding spacing hole in position on wheel hub.
6. mechanics of tire property test platform according to claim 1, it is characterised in that:The intrinsic frequency of support frame as described above
Rate is higher than in the rotating shaft rotary test
When support frame as described above frequency 10HZ-20HZ, the intrinsic frequency span be 80HZ-100HZ.
7. mechanics of tire property test platform according to claim 6, it is characterised in that:The value of the intrinsic frequency
Scope is 85HZ-95HZ.
8. mechanics of tire property test platform according to claim 1, it is characterised in that:The motor is using friendship
Frequency-conversion and speed-regulation motor is flowed, the variable frequency range of the frequency control motor is 2-200HZ;The rotating speed of the motor
Scope is 0-300KM/H.
9. mechanics of tire property test platform according to claim 1, it is characterised in that:The power transmission shaft uses carbon
Steel.
10. mechanics of tire property test platform according to claim 9, it is characterised in that:The carbon steel material is adopted
With the carbon steel of model Q235,35,45.
Priority Applications (1)
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CN201710635623.XA CN107271203A (en) | 2017-07-31 | 2017-07-31 | A kind of mechanics of tire property test platform |
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CN201710635623.XA CN107271203A (en) | 2017-07-31 | 2017-07-31 | A kind of mechanics of tire property test platform |
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CN107271203A true CN107271203A (en) | 2017-10-20 |
Family
ID=60074447
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CN201710635623.XA Pending CN107271203A (en) | 2017-07-31 | 2017-07-31 | A kind of mechanics of tire property test platform |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108195700A (en) * | 2017-12-26 | 2018-06-22 | 重庆程顺汽车配件制造有限公司 | Tire wear test structure and its manufacturing method |
CN108195701A (en) * | 2017-12-26 | 2018-06-22 | 重庆程顺汽车配件制造有限公司 | Tire wear test device and its manufacturing method |
CN108225797A (en) * | 2017-12-26 | 2018-06-29 | 重庆程顺汽车配件制造有限公司 | Tire simulating test device and its manufacturing method |
CN108871813A (en) * | 2018-06-27 | 2018-11-23 | 昆山睿力得软件技术有限公司 | A kind of high emulation tyre performance test experience platform |
CN109358072A (en) * | 2018-08-24 | 2019-02-19 | 中国人民解放军陆军军事交通学院 | Vehicle tyre laser fast non-destructive detection method based on phase-shifting technique |
CN109374626A (en) * | 2018-08-24 | 2019-02-22 | 中国人民解放军陆军军事交通学院 | Vehicle tyre laser fast non-destructive detection method based on multithreading |
CN109533393A (en) * | 2018-12-20 | 2019-03-29 | 中国飞机强度研究所 | A kind of tire debris protective device for aircraft tyre inertial test table |
CN110160809A (en) * | 2019-06-14 | 2019-08-23 | 青岛科技大学 | The indoor wet and slippery performance test methods of tire |
CN110455556A (en) * | 2019-08-08 | 2019-11-15 | 中国汽车技术研究中心有限公司 | A kind of test platform for tire dynamic property test |
CN110816876A (en) * | 2019-10-16 | 2020-02-21 | 西北工业大学 | Test equipment for detecting damage condition of tire swinging rear landing gear |
CN111413239A (en) * | 2020-04-27 | 2020-07-14 | 高铁检测仪器(东莞)有限公司 | Double-station tire abrasion resistance testing machine |
CN111976798A (en) * | 2020-08-27 | 2020-11-24 | 傅金华 | Quick transfer equipment of tire |
CN115931587A (en) * | 2023-03-09 | 2023-04-07 | 荣成康派斯新能源车辆股份有限公司 | Car as a house tire load capacity check out test set |
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CN207074119U (en) * | 2017-07-31 | 2018-03-06 | 厦门理工学院 | A kind of mechanics of tire property test platform |
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CN2574036Y (en) * | 2002-10-31 | 2003-09-17 | 重庆宗申技术开发研究有限公司 | Combination property tester for tyre of motorcycle |
CN104458286A (en) * | 2014-12-10 | 2015-03-25 | 吉林大学 | Test bed and method for testing high-frequency mechanical characteristic of tire |
CN204768509U (en) * | 2015-04-22 | 2015-11-18 | 青岛正大正电力环保设备有限公司 | Special agitator of coal industry dragveyer |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108195700B (en) * | 2017-12-26 | 2020-04-24 | 重庆程顺汽车配件制造有限公司 | Tire wear test structure and manufacturing method thereof |
CN108195701A (en) * | 2017-12-26 | 2018-06-22 | 重庆程顺汽车配件制造有限公司 | Tire wear test device and its manufacturing method |
CN108225797A (en) * | 2017-12-26 | 2018-06-29 | 重庆程顺汽车配件制造有限公司 | Tire simulating test device and its manufacturing method |
CN108195700A (en) * | 2017-12-26 | 2018-06-22 | 重庆程顺汽车配件制造有限公司 | Tire wear test structure and its manufacturing method |
CN108195701B (en) * | 2017-12-26 | 2020-04-24 | 重庆程顺汽车配件制造有限公司 | Tire wear testing device and manufacturing method thereof |
CN108871813A (en) * | 2018-06-27 | 2018-11-23 | 昆山睿力得软件技术有限公司 | A kind of high emulation tyre performance test experience platform |
CN109358072A (en) * | 2018-08-24 | 2019-02-19 | 中国人民解放军陆军军事交通学院 | Vehicle tyre laser fast non-destructive detection method based on phase-shifting technique |
CN109374626A (en) * | 2018-08-24 | 2019-02-22 | 中国人民解放军陆军军事交通学院 | Vehicle tyre laser fast non-destructive detection method based on multithreading |
CN109533393A (en) * | 2018-12-20 | 2019-03-29 | 中国飞机强度研究所 | A kind of tire debris protective device for aircraft tyre inertial test table |
CN110160809A (en) * | 2019-06-14 | 2019-08-23 | 青岛科技大学 | The indoor wet and slippery performance test methods of tire |
CN110455556A (en) * | 2019-08-08 | 2019-11-15 | 中国汽车技术研究中心有限公司 | A kind of test platform for tire dynamic property test |
CN110816876A (en) * | 2019-10-16 | 2020-02-21 | 西北工业大学 | Test equipment for detecting damage condition of tire swinging rear landing gear |
CN111413239A (en) * | 2020-04-27 | 2020-07-14 | 高铁检测仪器(东莞)有限公司 | Double-station tire abrasion resistance testing machine |
CN111976798A (en) * | 2020-08-27 | 2020-11-24 | 傅金华 | Quick transfer equipment of tire |
CN115931587A (en) * | 2023-03-09 | 2023-04-07 | 荣成康派斯新能源车辆股份有限公司 | Car as a house tire load capacity check out test set |
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Application publication date: 20171020 |