CN108036952A - A kind of device for being used to test the wearability of tire and the impact resistance of wheel hub - Google Patents
A kind of device for being used to test the wearability of tire and the impact resistance of wheel hub Download PDFInfo
- Publication number
- CN108036952A CN108036952A CN201711312750.2A CN201711312750A CN108036952A CN 108036952 A CN108036952 A CN 108036952A CN 201711312750 A CN201711312750 A CN 201711312750A CN 108036952 A CN108036952 A CN 108036952A
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- tire
- annular
- band
- rolling
- slide unit
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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
- G01M17/0078—Shock-testing of vehicles
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a kind of device for being used to test the wearability of tire and the impact resistance of wheel hub, including monitor station, the first motor and fixing device of the tire, the other end of monitor station upper surface is equipped with the second slide, the second slide unit being adapted with its shape is equipped with second slide, the upper surface of second slide unit is equipped with mounting bracket, mounting bracket is equipped with four the first u-brackets, and side is equipped with shock friction device, tilts friction device, pit friction device pacifically rubbing device in four the first u-brackets.The present invention can more accurately simulate the shock that tire tire is subject under the either single road conditions of complicated road conditions friction and wheel hub are subject to, and can more accurately test out the wearability of tire and the impact resistance of wheel hub.
Description
Technical field
The present invention relates to tire manufacturing art, and in particular to a kind of impact resistance for the wearability and wheel hub for being used to test tire
The device of property.
Background technology
Tire is the annular elastic rubber product rolled in various vehicles or the ground connection mechanically assembled.It is typically mounted on
In alloy rim, vehicle body can be supported, buffers foreign impacts, the contact with road surface is realized and ensures the driving performance of vehicle.Tire
Often used under complicated and exacting terms, it subjects various modifications load forces and high/low temperature effect in motion, therefore
There must be higher wearability, meanwhile, wheel hub also needs to have higher impact resistance energy.
What traditional test tire wear resistance and the device of wheel hub impact resistance were merely able to that letter answers carries out tire and wheel hub
Test, can not simulate friction and impact that tire in actual life is subject in complex road condition.
The content of the invention
Problem to be solved by this invention is：There is provided and a kind of be used to test the wearability of tire and the impact resistance of wheel hub
Device, can simulate and the wearability of tire and the impact resistance of wheel hub are tested under complicated or single road conditions.
It is of the invention to be for the provided technical solution that solves the above problems：A kind of wearability and wheel hub for being used to test tire
Impact resistance device, including monitor station, the first motor and fixing device of the tire, first motor be arranged on the tire
In fixing device, it is characterised in that：One end of the monitor station upper surface is equipped with mounting base, and the mounting base is equipped with first and slides
Rail, first slide is interior to be equipped with the first slide unit, and one end of first slide unit is connected with one end of piston rod, the piston rod
The other end connected with the hydraulic cylinder for being arranged on the mounting base upper surface, the fixing device of the tire be arranged on it is described first slide
The other end of platform, the other end of the monitor station upper surface are equipped with the second slide, are equipped with and its shape phase in second slide
Second slide unit of adaptation, the glide direction of first slide unit is vertical with the glide direction of second slide unit, and described second slides
Screw has been connected through a screw thread in the middle part of platform, the screw is parallel with the second slide unit glide direction, one end of the screw with
The second motor on the monitor station is connected, and the upper surface of second slide unit is equipped with mounting bracket, the mounting bracket
Be equipped with four the first u-brackets, in four first u-brackets side be equipped with hit friction device, tilt friction device,
Pit friction device pacifically rubbing device, the shock friction device includes impact block, annular rotates band one, roll seat one,
Rolling element one and the retainer one for keeping one position of rolling element, the rolling element one and the retainer one are arranged on
The annular is rotated between a band and the rolling seat one, and it is rough surface that the annular, which rotates band one outer surface, the shock
Block is arranged on the outer surface that the annular rotates band one.
Preferably, the fixing device of the tire includes the second u-bracket and connecting shaft, and second u-bracket passes through company
Hub hinged in spindle and tire to be measured, the connecting shaft one end and first motor away from second u-bracket
Output terminal be connected, second u-bracket and be arranged on first slide unit.
Preferably, it is according to claim 1 a kind of to be used to test the wearability of tire and the impact resistance of wheel hub
Device, it is characterised in that：The inclination friction device includes the inclined annular in outer surface and rotates band two, rolls seat two, rolling element
Two and for keeping the retainer two of two position of rolling element, the rolling element two and the retainer two are arranged on the ring
Shape is rotated between band two and the rolling seat two, and it is rough surface that the annular, which rotates two outer surface of band, and the rolling seat two is solid
Dingan County is in first u-bracket.By inclined abrasive device can simulation test tire inclined by some
Abrasion condition during face.
Preferably, the pit friction device includes annular rotation of the outer surface for rough surface and equipped with multiple pits
With three, roll seat three, rolling element three and the retainer three for keeping three position of rolling element, the rolling element three and described
Retainer three is arranged on the annular and rotates between band three and the rolling seat three, and the rolling seat three is fixedly mounted on described the
In one u-bracket.By pit rubbing device can simulation test tire by some tool dimpled uneven grounds when
Abrasion condition.
Preferably, the level land friction device includes annular rotation band four, rolling seat four, rolling of the outer surface for rough surface
Kinetoplast four and the retainer four for keeping four position of rolling element, the rolling element four and the retainer four are arranged on institute
State annular to rotate between band four and the rolling seat four, the rolling seat four is fixedly mounted in first u-bracket.Pass through
Level land rubbing device being capable of abrasion condition of simulation test tire when by some level lands.
Preferably, it is according to claim 5 a kind of to be used to test the wearability of tire and the impact resistance of wheel hub
Device, it is characterised in that：The annular rotates band three, annular rotates band one, annular rotates band two, annular rotates the appearance of band four
The roughness in face is sequentially reduced.So enable to the course of work of the test process more close to tire under true road conditions.
Compared with prior art, it is an advantage of the invention that：The present invention can more accurately simulate tire on complicated road
The shock that the friction and wheel hub that tire is subject under condition are subject to, while be able to can also simulate as needed in single road conditions lower whorl
The shock that the friction and wheel hub that tire is subject to are subject to, more accurately tests out the wearability of tire and the impact resistance of wheel hub.
Brief description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.
Fig. 1 is the front view of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is the schematic diagram of the shock friction device of the present invention；
Fig. 4 is the front view of the inclined abrasive device of the present invention；
Fig. 5 is the top view of the inclined abrasive device of the present invention；
Fig. 6 is the front view of the pit rubbing device of the present invention；
Fig. 7 is the left view of the pit rubbing device of the present invention；
Fig. 8 is the front view of the level land rubbing device of the present invention；
Attached drawing marks：1st, monitor station, the 2, second motor, the 3, second slide, the 4, second slide unit, 5, mounting bracket, 6, first is U-shaped
Frame, 7, roll seat one, 8, impact block, 9, tire to be measured, 10, wheel hub, the 11, second u-bracket, the 12, first slide unit, 13, piston
Bar, 14, hydraulic cylinder, the 15, first slide, 16, mounting base, the 17, first motor, 18, connecting shaft, 19, screw, 20, annular rotates
Band one, 21, rolling element one, 22, retainer one, 23, annular rotate band two, 24, rolling element two, 25, retainer two, 26, roll
Seat two, 27, annular rotate band three, and 28, rolling element three, 29, retainer three, 30, roll seat three, 31, pit, 32, annular rotates
Band four, 33, rolling element four, 34, retainer four, 35, rolling seat four.
Embodiment
Carry out the embodiment that the present invention will be described in detail below in conjunction with accompanying drawings and embodiments, thereby how the present invention is applied
Technological means solves technical problem and reaches the process of realizing of technical effect to fully understand and according to this implement.
The specific embodiment of the present invention is as shown in Figures 1 to 8：A kind of crashworthiness for the wearability and wheel hub for being used to test tire
The device of hitting property, including monitor station 1, the first motor 17 and fixing device of the tire, the first motor 17 are arranged on the tire and fix
On device, one end of 1 upper surface of monitor station is equipped with mounting base 16, and mounting base 16 is equipped with the first slide 12, in the first slide 12
Equipped with the first slide unit 12, one end of the first slide unit 12 is connected with one end of piston rod 13, the other end of piston rod 13 and is arranged on
The hydraulic cylinder 14 of 16 upper surface of mounting base connects, and fixing device of the tire is arranged on the other end of the first slide unit 12,1 upper end of monitor station
The other end in face is equipped with the second slide 3, and the second slide unit 4 being adapted with its shape is equipped with the second slide 3, the first slide unit 12
Glide direction is vertical with the glide direction of the second slide unit 4, and the middle part of the second slide unit 4 has been connected through a screw thread screw 19, screw 19 with
Second slide unit, 4 glide direction is parallel, and one end of screw 19 is connected with the second motor 2 on monitor station 1, the second slide unit
4 upper surface is equipped with mounting bracket 5, and mounting bracket 5 is equipped with four the first u-brackets 6, and side is equipped with four the first u-brackets 6
Hit friction device, tilt friction device, pit friction device pacifically rubbing device, hit friction device include impact block 8,
Annular rotates band 1, rolls seat 1, rolling element 1 and the retainer 1 for keeping 21 1 position of rolling element, rolls
Body 1 and retainer 1 are arranged on annular and rotate between one 20 bands and rolling seat 1, and annular rotates one 20 outer surface of band and is
Rough surface, impact block 8 are arranged on the outer surface that annular rotates band 1, roll seat 1 and are fixedly mounted on the first u-bracket 6
On, during work, the annular for hitting rubbing device rotates band 1 and tire to be measured 9 contacts, and tire 9 to be measured turns after rotating with annular
The frictional force that dynamic band 1 produces after contacting drives annular to rotate band 1 and is rotated around seat 1 is rolled, and in this process, treats
Measuring wheel tire 9 can be subject to the impact that annular rotates the friction that brings of outer surface of band 1 and impact block 8 is brought, and fully simulate tire
The abrasion brought to tire 9 to be measured and the impact brought to wheel hub 10 when by deceleration strip.
Fixing device of the tire includes the second u-bracket 11 and connecting shaft 18, and the second u-bracket 11 is by connecting shaft 18 and treats
Wheel hub 10 on measuring wheel tire 9 is hinged, and the one end of connecting shaft 18 away from the second u-bracket 11 is connected with the output terminal of the first motor 17
Connect, the second u-bracket 11 is arranged on the first slide unit 12；During test, hydraulic cylinder 14 passes through piston rod 13 to first
Slide unit 12 applies the power of 3500~4500N or so, these power are applied on tire 9 to be measured, that is, are divided equally similar to a car
Power onto each wheel, can so increase the accuracy of test.
Tilting friction device includes the inclined annular rotation band 2 23 in outer surface, rolls seat 2 26, rolling element 2 24 and use
In the retainer 2 25 for keeping rolling element 2 24 position, rolling element 2 24 and retainer 2 25 be arranged on annular rotate band 2 23 with
Between rolling seat 26 2, it is rough surface that annular, which rotates 2 23 outer surface of band, rolls seat 2 26 and is fixedly mounted on the first u-bracket
On 6；Pit friction device includes annular of the outer surface for rough surface and equipped with multiple pits 31 and rotates band 3 27, rolls seat
3 30, rolling element 3 28 and the retainer 3 29 for keeping 3 28 position of rolling element, rolling element 3 28 and retainer 3 29 are set
Put between annular rotates band 3 27 and rolls seat 3 30, roll seat 3 30 and be fixedly mounted in the first u-bracket 6；Grind on level land
It is that the annular of rough surface rotates band 4 32, rolls seat 4 35, rolling element 4 33 and for keeping rolling to wipe device to include outer surface
The retainer 4 34 of 4 33 position of kinetoplast, rolling element 4 33 and retainer 4 34 are arranged on annular and rotate band 4 32 with rolling seat four
Between 35, roll seat 4 35 and be fixedly mounted in the first u-bracket 6；Annular rotates band 3 27, annular rotates band 1, annular
The roughness for the outer surface that rotation band 2 23, annular rotate band 4 32 is sequentially reduced, and so enables to test process more
Close to the course of work of the tire under true road conditions so that test result is more accurate.
The specific work process of the present invention：：Tire 9 to be measured is installed fixed in the second u-bracket 11, it is electric to open first
Machine, tire 9 to be measured start to rotate, and are then turned on hydraulic cylinder 14 so that tire 9 to be measured is moved towards the second slide unit 4, when to be measured
Tire 9 and a dress in shock friction device, inclination friction device, pit friction device pacifically four devices of rubbing device
After putting contact, apply the power of 3500~4500N or so to tire to be measured again by hydraulic cylinder 14, according to test request, Ke Yifen
For following two situations, the first, the first motor 17 is kept it turned on, and 2 time opening of the second motor and closing, the first slide unit 12 exist
The rhythm of the second motor 2 is followed to slide and stop along the second slide 3 under the action of second motor 2 so as to be connect with tire 9 to be measured
Tactile device carries out intermittent switching in aforementioned four device, so as to simulate working condition of the tire under complex road condition；Second
Kind, the first motor 17 is kept it turned on, and according to test needs, the second motor 2 is opened, when required one in aforementioned four device
After device is contacted with tire 9 to be measured, the second motor 2 is closed, measuring wheel tire is treated only with a device and is tested.
The beneficial effects of the invention are as follows：The present invention can more accurately simulate tire tire under complicated road conditions and be subject to
Friction and the shock that is subject to of wheel hub, while can also as needed simulate the friction that tire is subject under single road conditions
The shock being subject to wheel hub, more accurately tests out the wearability of tire and the impact resistance of wheel hub.
Only highly preferred embodiment of the present invention is described above, but is not to be construed as limiting the scope of the invention.This
Invention is not only limited to above example, its concrete structure is allowed to vary.All protection models in independent claims of the present invention
Interior made various change is enclosed to all fall in the scope of protection of the present invention.
Claims (6)
1. a kind of device for being used to test the wearability of tire and the impact resistance of wheel hub, including monitor station (1), the first motor
(17) it is arranged on fixing device of the tire, first motor (17) on the fixing device of the tire, it is characterised in that：The inspection
One end of scaffold tower (1) upper surface is equipped with mounting base (16), and the mounting base (16) is equipped with the first slide (12), and described first slides
The first slide unit (12) is equipped with rail (12), one end of first slide unit (12) is connected with one end of piston rod (13), the work
The other end of stopper rod (13) and hydraulic cylinder (14) connection for being arranged on the mounting base (16) upper surface, the fixing device of the tire
The other end of first slide unit (12) is arranged on, the other end of monitor station (1) upper surface is equipped with the second slide (3), institute
State the second slide unit (4) for being equipped with the second slide (3) and being adapted with its shape, the glide direction of first slide unit (12) and institute
It is vertical to state the glide direction of the second slide unit (4), screw (19), the silk have been connected through a screw thread in the middle part of second slide unit (4)
Bar (19) is parallel with the second slide unit (4) glide direction, one end of the screw (19) and on the monitor station (1)
The second motor (2) be connected, the upper surface of second slide unit (4) is equipped with mounting bracket (5), and the mounting bracket (5) is equipped with
Four the first u-brackets (6), on four first u-brackets (6) side be equipped with hit friction device, tilt friction device,
Pacifically rubbing device, the shock friction device include impact block (8), annular rotation band one (20), rolling to pit friction device
Dynamic seat one (7), rolling element one (21) and the retainer one (22) for keeping (21) one position of rolling element, the rolling element
One (21) and the retainer one (22) are arranged on the annular and rotate between (20) band and the rolling seat one (7), described
It is rough surface that annular, which rotates band one (20) outer surface, and the impact block (8) is arranged on the annular and rotates the outer of band one (20)
Surface, the rolling seat one (7) are fixedly mounted on first u-bracket (6).
2. a kind of device for being used to test the wearability of tire and the impact resistance of wheel hub according to claim 1, it is special
Sign is：The fixing device of the tire includes the second u-bracket (11) and connecting shaft (18), and second u-bracket (11) is logical
The wheel hub (10) crossed in connecting shaft (18) and tire to be measured (9) is hinged, and the connecting shaft (18) is away from second u-bracket
(11) one end is connected with the output terminal of first motor (17), and second u-bracket (11) is arranged on described first
On slide unit (12).
3. a kind of device for being used to test the wearability of tire and the impact resistance of wheel hub according to claim 1, it is special
Sign is：The inclination friction device includes the inclined annular in outer surface and rotates band two (23), rolls seat two (26), rolling element two
(24) and for keeping the retainer two (25) of described two (24) position of rolling element, the rolling element two (24) and the retainer
Two (25) are arranged on the annular and rotate between band two (23) and the rolling seat (26) two, and the annular rotates band two (23) outside
Surface is rough surface, and the rolling seat two (26) is fixedly mounted on first u-bracket (6).
4. a kind of device for being used to test the wearability of tire and the impact resistance of wheel hub according to claim 3, it is special
Sign is：The pit friction device includes annular of the outer surface for rough surface and equipped with multiple pits (31) and rotates band three
(27), seat three (30), rolling element three (28) and the retainer three (29) for keeping described three (28) position of rolling element, institute are rolled
State rolling element three (28) and the retainer three (29) is arranged on the annular and rotates band three (27) and the rolling seat three (30)
Between, the rolling seat three (30) is fixedly mounted on first u-bracket (6).
5. a kind of device for being used to test the wearability of tire and the impact resistance of wheel hub according to claim 4, it is special
Sign is：The level land friction device includes outer surface and rotates band four (32) for the annular of rough surface, rolls seat four (35), rolling
Kinetoplast four (33) and the retainer four (34) for keeping described four (33) position of rolling element, the rolling element four (33) and described
Retainer four (34) is arranged on the annular and rotates between band four (32) and the rolling seat four (35), the rolling seat four (35)
It is fixedly mounted on first u-bracket (6).
6. a kind of device for being used to test the wearability of tire and the impact resistance of wheel hub according to claim 5, it is special
Sign is：The annular rotates band three (27), annular rotates band one (20), annular rotates band two (23), annular rotates band four
(32) roughness of outer surface is sequentially reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711312750.2A CN108036952A (en) | 2017-12-12 | 2017-12-12 | A kind of device for being used to test the wearability of tire and the impact resistance of wheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711312750.2A CN108036952A (en) | 2017-12-12 | 2017-12-12 | A kind of device for being used to test the wearability of tire and the impact resistance of wheel hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108036952A true CN108036952A (en) | 2018-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711312750.2A Pending CN108036952A (en) | 2017-12-12 | 2017-12-12 | A kind of device for being used to test the wearability of tire and the impact resistance of wheel hub |
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| Country | Link |
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| CN (1) | CN108036952A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458922A (en) * | 2018-05-10 | 2018-08-28 | 芜湖市黄山松工业地坪新材料有限公司 | Industry ground slab friction performance testing device |
| CN108956354A (en) * | 2018-07-17 | 2018-12-07 | 赣州蓉江新区高校园区京航汽车零配件销售部 | A kind of automobile tire wear resistance test device |
| CN109632548A (en) * | 2018-12-18 | 2019-04-16 | 张鸿连 | A kind of textile sample detection device |
| CN110285984A (en) * | 2019-06-04 | 2019-09-27 | 范丽珍 | A kind of automobile tyre antiskid monitor station |
| CN112213221A (en) * | 2020-10-16 | 2021-01-12 | 四川大学 | Testing machine for researching ablation behavior of tire tread rubber of airplane landing instant tire |
| CN112485123A (en) * | 2020-11-20 | 2021-03-12 | 田素君 | New energy automobile hub physical property performance test system and test method |
| CN113340740A (en) * | 2021-06-02 | 2021-09-03 | 徐州海瑞电动车科技有限公司 | Pressure-bearing test bench for hub of electric vehicle |
| CN114441196A (en) * | 2022-01-11 | 2022-05-06 | 亿科检测认证有限公司 | Testing device and testing method for baby carriage wheel assembly |
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| CN102706566A (en) * | 2012-07-03 | 2012-10-03 | 汕头市浩大轮胎测试装备有限公司 | Drum device of indoor tyre testing machine |
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| CN103162940A (en) * | 2013-02-22 | 2013-06-19 | 宁波舜宇光电信息有限公司 | Novel mobile phone camera module automatic test machine |
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| CN205748941U (en) * | 2016-04-27 | 2016-11-30 | 江苏江昕轮胎有限公司 | A kind of tyre last detection equipment |
| CN106197934A (en) * | 2016-08-23 | 2016-12-07 | 青岛双星轮胎工业有限公司 | Tire shock resistance detection rotary drum |
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| GB968319A (en) * | 1963-07-30 | 1964-09-02 | Fur Firestone Produkte A G Fab | Improvements in or relating to the testing of vehicle tyres and the like |
| KR20060041330A (en) * | 2004-11-08 | 2006-05-11 | 한국타이어 주식회사 | Drum structure of tire impact load measuring device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458922A (en) * | 2018-05-10 | 2018-08-28 | 芜湖市黄山松工业地坪新材料有限公司 | Industry ground slab friction performance testing device |
| CN108956354A (en) * | 2018-07-17 | 2018-12-07 | 赣州蓉江新区高校园区京航汽车零配件销售部 | A kind of automobile tire wear resistance test device |
| CN108956354B (en) * | 2018-07-17 | 2020-12-11 | 巢湖威能光电科技有限公司 | Automobile tire abrasion resistance testing device |
| CN109632548B (en) * | 2018-12-18 | 2021-03-09 | 张鸿连 | Textile sample detection equipment |
| CN109632548A (en) * | 2018-12-18 | 2019-04-16 | 张鸿连 | A kind of textile sample detection device |
| CN110285984A (en) * | 2019-06-04 | 2019-09-27 | 范丽珍 | A kind of automobile tyre antiskid monitor station |
| CN112213221A (en) * | 2020-10-16 | 2021-01-12 | 四川大学 | Testing machine for researching ablation behavior of tire tread rubber of airplane landing instant tire |
| CN112213221B (en) * | 2020-10-16 | 2021-06-04 | 四川大学 | Testing machine for researching ablation behavior of tire tread rubber of airplane landing instant tire |
| CN112485123A (en) * | 2020-11-20 | 2021-03-12 | 田素君 | New energy automobile hub physical property performance test system and test method |
| CN112485123B (en) * | 2020-11-20 | 2022-11-04 | 长春众升科技发展有限公司 | New energy automobile hub physical property performance test system and test method |
| CN113340740A (en) * | 2021-06-02 | 2021-09-03 | 徐州海瑞电动车科技有限公司 | Pressure-bearing test bench for hub of electric vehicle |
| CN113340740B (en) * | 2021-06-02 | 2021-12-21 | 徐州海瑞电动车科技有限公司 | Pressure-bearing test bench for hub of electric vehicle |
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Application publication date: 20180515 |