CN106153351B - Device for testing automobile pneumatic performance - Google Patents
Device for testing automobile pneumatic performance Download PDFInfo
- Publication number
- CN106153351B CN106153351B CN201610510222.7A CN201610510222A CN106153351B CN 106153351 B CN106153351 B CN 106153351B CN 201610510222 A CN201610510222 A CN 201610510222A CN 106153351 B CN106153351 B CN 106153351B
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- China
- Prior art keywords
- force balance
- pallet
- toter
- vehicle
- wheel
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- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001635479 Coris bulbifrons Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a kind of device for testing automobile pneumatic performance, which is used to test the aeroperformance of test vehicle, and wheel fixation kit is equipped on each pallet of the device；The lower surface of each pallet has been fixedly connected with supporting rod, and the supporting rod lower end is fixedly connected on force balance；Force balance is mounted on force balance mounting bracket, and the force balance mounting bracket is fixedly mounted in toter：Ultrasonic wind speed meter is mounted on the roof of test vehicle, and for measuring wind speed, the ultrasonic wind speed meter and force balance are connected with controller；Vehicle speed detector device on the toter is connected with controller.The present invention is the device for the aeroperformance experiment that automobile is directly carried out on road, normally suffered in road driving active force and opplied moment are substantially similar with automobile, therefore compared to automobile wind tunnel, measured experimental data suffered aerodynamic and aerodynamic torque in actual travel closer to automobile.
Description
Technical field
The present invention relates to automobile pneumatic performance test technical fields more particularly to a kind of for testing automobile pneumatic performance
Device.
Background technology
It is well known that the faster resistance of speed is bigger, air drag and car speed it is square directly proportional.If air drag
The ratio for accounting for automobile running resistance is very big, can increase vehicle fuel consumption or seriously affect the power performance of automobile.According to test,
One automobile travelled with 100 kilometers of speed per hour, the 80% of engine output will be used to overcome air drag, subtract
Few air drag, can effectively improve the traveling economy of automobile.
Because the research of the air dynamic behaviour of automobile is very significant.Currently, to the data master of automobile pneumatic performance
If being provided by wind tunnel test.And there are manufacturing cost height for automobile wind tunnel, complicated, the problems such as space is big.
Invention content
The air-flow for needing the prodigious motor of a power that fan is driven to generate high speed due to building an automobile wind tunnel, simultaneously
Wind tunnel body is by structure compositions such as fan section, diffuser, slow-speed test section, high-speed test (HST) sections, therefore, for one automobile of construction
The required cost of wind-tunnel is huge and technical sophistication, the present invention provide a kind of device for testing automobile pneumatic performance.
The purpose of the present invention is achieved through the following technical solutions：A kind of dress for testing automobile pneumatic performance
It sets, which is used to test the aeroperformance of test vehicle, including toter, pallet, wheel fixation kit, supporting rod, survey
Power balance, force balance mounting bracket, ultrasonic wind speed meter, controller；Wherein, the vehicle body of the toter and headstock height are flat
Together, four through-holes for accommodating pallet corresponding with wheel of vehicle is tested are provided on the roof of the toter；It is described
It is provided with several parallel T-slots on pallet, wheel fixation kit, the wheel fixation group are equipped on each pallet
Part is fixed on pallet for that will test wheel of vehicle；The lower surface of each pallet has been fixedly connected with supporting rod, described
Supporting rod lower end is fixedly connected on force balance；The force balance is mounted on force balance mounting bracket, the dynamometry day
Safety, which is shelved, to be fixedly mounted in toter：The ultrasonic wind speed meter is mounted on the roof of test vehicle, for measuring
Wind speed, the ultrasonic wind speed meter and force balance are connected with controller；Vehicle speed detector device on the toter and
Controller is connected.
Further, the wheel fixation kit includes two right angle fixed plates, two square blocks, screw, studs
And nut；It is opened on the level board of the right angle fixed plate there are two counterbore, is also provided on the square block corresponding with counterbore
Threaded hole, the screw are threaded through on counterbore and are connected with the threaded hole on square block；The square block is arranged in T-slot
It is interior；Through-hole is provided on the vertical plate of the right angle fixed plate, described two right angle fixed plates are arranged back-to-back, and two right angles are solid
It is connected with nut by studs between fixed board, the studs is arranged in the through-hole of the vertical plate of right angle fixed plate.
Further, sealing ring is equipped between the pallet and the toter.
Further, the force balance is that six square phase floats frame strain balance, for testing test wheel of vehicle six
The active force and opplied moment in direction.
Further, the toter is travelled on highway or is travelled in orbit.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the present invention can replace automobile wind tunnel to carry out the aeroperformance experiment of automobile, save and build an automobile wind tunnel institute
The high cost needed.
2, the present invention is the device for the aeroperformance experiment that automobile is directly carried out on road, with automobile normally in road row
Suffered active force and opplied moment are substantially similar when sailing, therefore compared to automobile wind tunnel, and measured experimental data more connects
Nearly automobile suffered aerodynamic force in actual travel.
3, simple in structure, manufacturing cost is low.
Description of the drawings
Fig. 1 is the structural schematic diagram of device embodiment of the present invention for testing automobile pneumatic performance；
Fig. 2 is that the test vehicle of device embodiment of the present invention for testing automobile pneumatic performance is connected with toter
Vertical view；
Fig. 3 is the wheel fixation kit front view of device embodiment of the present invention for testing automobile pneumatic performance；
Fig. 4 is the wheel fixation kit vertical view of device embodiment of the present invention for testing automobile pneumatic performance；
Fig. 5 is the connection of the wheel fixation kit and wheel of device embodiment of the present invention for testing automobile pneumatic performance
Front view；
Fig. 6 is the company of the wheel fixation kit and wheel of device embodiment of the present invention for testing automobile pneumatic performance
The left view connect；
In figure：Toter 1, test vehicle 2, pallet 3, wheel fixation kit 4, right angle fixed plate 5, square block 6, screw
7, studs 8, nut 9, supporting rod 10, force balance 11, force balance mounting bracket 12, ultrasonic wind speed meter 13, test carriage
Wheel 14, controller 15, test vehicle hub for vehicle wheel 16.
Specific implementation mode
As depicted in figs. 1 and 2, the present invention includes toter 1, pallet 3, vehicle for testing the device of automobile pneumatic performance
Take turns fixation kit 4, supporting rod 10, force balance 11, force balance mounting bracket 12, ultrasonic wind speed meter 13, controller 15；It is described
Toter 1 can travel on highway, can also travel in orbit, and the present embodiment toter 1 applies to road running；
The vehicle body of the toter 1 is concordant with headstock height, is provided on the roof of the toter 1 for accommodating and testing vehicle
Four through-holes of the corresponding pallet of 1 wheel 3；Several parallel T-slots, the bottom of each pallet 3 are provided on the pallet 3
Portion is fixedly connected with supporting rod 10；It is equipped with wheel fixation kit 4 on each pallet 3；As in Figure 3-5, the wheel
Fixation kit 4 includes two right angle fixed plates, 5, two square blocks 6, screw 7, studs 8 and nut 9；The right angle is fixed
It is opened on the level board of plate 5 there are two counterbore, is also provided with threaded hole corresponding with counterbore on the square block 6, the screw 7 is worn
It is located on counterbore and is connected with the threaded hole on square block 6；The square block 6 is arranged in T-slot, passes through adjusting screw
The depth of 7 screw-in square blocks 6 makes whether right angle fixed plate 5 and square block 6 clip to be fixed on pallet 3；Due to different tests
The distance between the front and back wheel of vehicle 1, left and right wheels difference is provided with several parallel T-slots for adjusting front and back wheel on pallet 3
Distance, square block 6 is arranged the position in T-slot and can be used for adjusting distance between left and right wheels.
Through-hole is provided on the vertical plate of the right angle fixed plate 5, described two right angle fixed plates 5 are arranged back-to-back, i.e.,
The opening of two right angle fixed plates 5 outwardly, is connected between two right angle fixed plates 5 by studs 8 and nut 9, described double
Header stud 8 is arranged in the through-hole of the vertical plate of right angle fixed plate 5；Right angle fixed plate 5 described in two is abutted against into test carriage
The both sides of wheel 14 are injected in the through-hole of the vertical plate of the two right angle fixed plates 5, double end with a studs 8
Gap of the stud 8 across test vehicle hub for vehicle wheel 16, is then fixed on the both ends of studs 8, to real with nut 9
The connection of the vertical plate of existing right angle fixed plate 5 and test wheel of vehicle 14.
Sealing ring is equipped between the pallet 3 and the toter 1, for preventing oil, water or other sundries from falling into fortune
It carries and sets in 1.
The lower surface of each pallet 3 is welded with supporting rod 10, and 10 lower end of the supporting rod is fixed by screw to be connected
It is connected on force balance 11；The force balance 11 is that six square phase floats frame strain balance, for testing wheel six direction
Active force and opplied moment, the force balance 11 are mounted on force balance mounting bracket 12, the force balance mounting bracket 12
Be fixedly mounted in toter 1, the effect of the force balance mounting bracket 12 be in order to ensure the stabilization of force balance 11 with
And the protection to force balance 11.
The ultrasonic wind speed meter 13 is mounted on the roof of test vehicle 2, for measuring wind speed, the ultrasonic wind speed
Meter 13 and force balance 11 are connected with controller 15；Vehicle speed detector device on the toter 1 also with 15 phase of controller
Even.
The course of work of the present invention is as follows：When experiment, four test wheel of vehicle 14 of test vehicle 2 are first placed on four
On a pallet 3, since wheel fixation kit 4 can slide in T-slot, vehicle can be adjusted for different test vehicles
Right angle fixed plate 5 described in two is abutted against the both sides of test wheel of vehicle 14, with a double end spiral shell by the position for taking turns fixing piece
Column 8 injects in the through-hole of the vertical plate of the two right angle fixed plates 5, and studs 8 passes through test vehicle hub for vehicle wheel 16
Between gap, the both ends of studs 8 are then fixed on nut 9, to realize vertical plate and the test of right angle fixed plate 5
The connection of wheel of vehicle 14, as seen in figs. 5-6；After experimental rig is all installed in place, toter 1 is started, by toter 1
Accelerate to certain speed.At this point, speed, wind speed under 15 acquisition and recording of controller at this time, aerodynamic drag, aerodynamic lift, gas
The data such as dynamic side force, pneumatic lateral torque, pneumatic yaw moment, pneumatic Trimming Moment.One group of data is recorded and then by vehicle
Speed improves, and controller 15 acquires and records data again.Required data specifically can be measured according to actual conditions.Most
Afterwards, according to measured data, it is gentle measured aerodynamic and aerodynamic torque can be converted into corresponding aerodynamic coefficient
Power moment coefficient, according to the aerodynamic coefficient and aerodynamic moment coefficient for calculating gained come the aeroperformance of evaluation test vehicle 2.
Claims (5)
1. a kind of device for testing automobile pneumatic performance, the device is for testing test vehicle（2）Aeroperformance, it is special
Sign is, including toter（1）, pallet（3）, wheel fixation kit（4）, supporting rod（10）, force balance（11）, dynamometry day
Safety is shelved（12）, ultrasonic wind speed meter（13）, controller（15）；Wherein, the toter（1）Vehicle body and headstock height
Concordantly, the toter（1）Roof on be provided with for accommodating and testing vehicle（2）The corresponding pallet of wheel（3）Four
A through-hole；The pallet（3）On be provided with several parallel T-slots, the pallet（3）On be equipped with wheel fixation group
Part（4）, the wheel fixation kit（4）For vehicle will to be tested（2）Wheel is fixed on pallet（3）On；Each pallet（3）
Lower surface be fixedly connected with supporting rod（10）, the supporting rod（10）Lower end is fixedly connected on force balance（11）On；Institute
State force balance（11）Mounted on force balance mounting bracket（12）On, the force balance mounting bracket（12）It is fixedly mounted on delivery
Device（1）It is interior：The ultrasonic wind speed meter（13）Mounted on test vehicle（2）Roof on, for measuring wind speed, the ultrasound
Wave airspeedometer（13）And force balance（11）And controller（15）It is connected；The toter（1）On vehicle speed detector device
And controller（15）It is connected.
2. the device according to claim 1 for testing automobile pneumatic performance, which is characterized in that the wheel fixation group
Part（4）Including two right angle fixed plates（5）, two square blocks（6）, screw（7）, studs（8）And nut（9）；It is described straight
Angle fixed plate（5）Level board on open there are two counterbore, the square block（6）On be also provided with threaded hole corresponding with counterbore,
The screw（7）Be threaded through on counterbore and and square block（6）On threaded hole be connected；The square block（6）It is arranged in T-type
In slot；The right angle fixed plate（5）Vertical plate on be provided with through-hole, described two right angle fixed plates（5）Arrangement back-to-back, two
A right angle fixed plate（5）Between pass through studs（8）And nut（9）Connection, the studs（8）Setting is fixed at right angle
Plate（5）Vertical plate through-hole in.
3. the device according to claim 1 for testing automobile pneumatic performance, which is characterized in that the pallet（3）With
The toter（1）Between be equipped with sealing ring.
4. the device according to claim 1 for testing automobile pneumatic performance, which is characterized in that the force balance
（11）Frame strain balance is floated for six square phase, for testing test vehicle（2）The active force and opplied moment of wheel six direction.
5. the device according to claim 1 for testing automobile pneumatic performance, which is characterized in that the toter
（1）Traveling or traveling in orbit on highway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510222.7A CN106153351B (en) | 2016-06-27 | 2016-06-27 | Device for testing automobile pneumatic performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510222.7A CN106153351B (en) | 2016-06-27 | 2016-06-27 | Device for testing automobile pneumatic performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106153351A CN106153351A (en) | 2016-11-23 |
| CN106153351B true CN106153351B (en) | 2018-09-21 |
Family
ID=57350879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610510222.7A Expired - Fee Related CN106153351B (en) | 2016-06-27 | 2016-06-27 | Device for testing automobile pneumatic performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106153351B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525682A (en) * | 2017-09-27 | 2017-12-29 | 郑州大学 | Structural air force coefficient preventing test method car shakes the test device and method of influence |
| CN108279131A (en) * | 2018-02-13 | 2018-07-13 | 中国汽车工程研究院股份有限公司 | The test method for working condition measurement device and the operating mode of overtaking other vehicles of overtaking other vehicles |
| CN110108437B (en) * | 2019-04-12 | 2020-10-20 | 上海渤元信息科技有限公司 | Automobile body aerodynamic performance test generation system and test method |
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|---|---|---|---|---|
| DE2659633A1 (en) * | 1975-12-30 | 1977-07-14 | Nii Mekh Mgu Im M V Lomonosova | WIND CHANNEL SYSTEM |
| SU1359704A1 (en) * | 1986-04-11 | 1987-12-15 | Научно-исследовательский институт механики МГУ им.М.В.Ломоносова | Bed for testing ground vehicles |
| CN1839302A (en) * | 2003-08-22 | 2006-09-27 | 宝马股份公司 | Test bench and method for carrying out aerodynamic measurements on vehicles |
| CN201464153U (en) * | 2009-09-01 | 2010-05-12 | 吉林大学 | Automobile wind tunnel test system for matching movable belt ground effect |
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| CN104655390A (en) * | 2015-02-12 | 2015-05-27 | 西南交通大学 | Wind tunnel test device for vehicle model moving on bridge based on precision linear slide rails |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0658284B2 (en) * | 1985-11-06 | 1994-08-03 | 日立テクノエンジニアリング株式会社 | Environmental wind tunnel for automobiles |
| US9766153B2 (en) * | 2014-06-03 | 2017-09-19 | Garth L. Magee | Measuring vehicle drag in a wind tunnel |
-
2016
- 2016-06-27 CN CN201610510222.7A patent/CN106153351B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2659633A1 (en) * | 1975-12-30 | 1977-07-14 | Nii Mekh Mgu Im M V Lomonosova | WIND CHANNEL SYSTEM |
| SU1359704A1 (en) * | 1986-04-11 | 1987-12-15 | Научно-исследовательский институт механики МГУ им.М.В.Ломоносова | Bed for testing ground vehicles |
| CN1839302A (en) * | 2003-08-22 | 2006-09-27 | 宝马股份公司 | Test bench and method for carrying out aerodynamic measurements on vehicles |
| CN201464153U (en) * | 2009-09-01 | 2010-05-12 | 吉林大学 | Automobile wind tunnel test system for matching movable belt ground effect |
| CN202956259U (en) * | 2012-12-11 | 2013-05-29 | 长沙理工大学 | Device for testing aerodynamic force of moving vehicles |
| CN104655390A (en) * | 2015-02-12 | 2015-05-27 | 西南交通大学 | Wind tunnel test device for vehicle model moving on bridge based on precision linear slide rails |
Non-Patent Citations (2)
| Title |
|---|
| F1赛车气动特性的CFD仿真和试验研究;潘小卫等;《汽车工程》;20091231;第31卷(第3期);第274-277页 * |
| 新概念汽车模型风洞试验研究;何忆斌等;《汽车工程》;20071231;第29卷(第4期);第267-269、295页 * |
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| Publication number | Publication date |
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| CN106153351A (en) | 2016-11-23 |
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Granted publication date: 20180921 |