CN104568371B - Multifunctional lifting device for automobile wind tunnel test - Google Patents
Multifunctional lifting device for automobile wind tunnel test Download PDFInfo
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- CN104568371B CN104568371B CN201510000635.6A CN201510000635A CN104568371B CN 104568371 B CN104568371 B CN 104568371B CN 201510000635 A CN201510000635 A CN 201510000635A CN 104568371 B CN104568371 B CN 104568371B
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- fixed
- screw
- base
- rotating disk
- balance
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 238000004088 simulation Methods 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 239000011120 plywood Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a multifunctional lifting device for an automobile wind tunnel test. The multifunctional lifting device comprises an automobile model support, a simulated ground, a six-component balance and a support rotating mechanism. An automobile model is connected with adjusting rods through screws, the adjusting rods are fixed to an upper rotating disk, the upper rotating disk is connected with the six-component balance through screws, the six-component balance is fixed to a lower rotating disk, the lower rotating disk is tightly pressed on a base through two pressing plates, and the base is fixed to a test bed; a simulated ground supporting plate is fixed to the top ends of four supporting pillars through screws, and the simulated ground is fixed to the simulated ground supporting plate. The multifunctional lifting device is mainly applied to a boundary layer wind tunnel to remove the ground effect when the automobile wind tunnel test is carried out, the distance between the bottom of an automobile and the simulated ground and the levelness of the automobile model can be adjusted according to practical situations, the included angle between the automobile model and the incoming flow direction can be adjusted, forms of the automobile under various road conditions can be simulated by adjusting relative heights of the four adjusting rods, operation is simple and convenient, and efficiency is high.
Description
Technical field
The present invention relates to a kind of multi-functional elevation device of automobile wind tunnel test, particularly apply and there is no other effective ways
Remove in the boundary layer wind tunnel of ground effect.
Background technology
Automobile is the now important vehicles, and the aerodynamic performance of research automobile has great significance, and wind
Hole is an important means of research automotive aerodynamics.Domestic at present special automobile wind tunnel is considerably less, a lot of research aircrafts
Structure has to carry out automobile wind tunnel test in other wind-tunnel, rather than the general ground that all specially removes of automobile specified wind-tunnel is imitated
The device answered, this brings many troubles to automobile wind tunnel test.
Existing removal ground effect method mainly has suction method, mobile ground method, image method and raises method, suction method,
Mobile ground method and image method are relatively costly, complex structure, install and safeguard inconvenience.Existing method elevation device structure of raising is answered
Miscellaneous, inconvenient operation, and single function.
Content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, provides a kind of automobile wind tunnel test multi-functional elevation device.
A kind of multi-functional elevation device of automobile wind tunnel test is it is characterised in that include testing stand, base hex screw, bottom
Seat, lower rotating disc, pressing plate, housing screw, pillar, upper rotating disk, lower screw rod, adjusting nut, upper screw rod, car model, little by ten
Word screw, simulated roadway gripper shoe, simulation ground attachment screw, simulation ground, grand cross screw, big location-plate, six square phase sky
Installing hole under flat, pit, balance, balance upper installing hole, little location-plate, large through-hole, major thread hole, cannelure, positioning boss, on
Rotating disk through hole, balance through hole；Car model is fixed by screws on four pieces of little location-plates, and four pieces of little location-plates are fixed respectively
Screw rod upper end on four, four upper screw rods are passed through right-handed thread and are coordinated with four adjusting nuts respectively, and four lower screw rods pass through
Left hand thread is coordinated with adjusting nut respectively, and four lower screw rods are separately fixed above rotating disk, and eight little plus screw will
Upper rotating disk is fixed on six component balance, and six component balance, is fixed on lower rotating disc, and pressing plate is pressed in backspin by housing screw
On rotating disk, lower rotating disc is pressed on base, base is fixed on testing stand base hex screw, mould is passed through on simulation ground
Intend ground attachment screw to be fixed on simulation ground supports plate, grand cross screw by simulate ground supports plate be fixed on four pieces fixed greatly
On the plate of position, four pieces of big location-plates are separately fixed at four pillar tops, and four pillars are fixed on base, and upper rotating disk has
Eight balance upper installing holes corresponding with screwed hole above six component balance, have eight installation six square phase skies in the middle of lower rotating disc
Installing hole under flat balance, lower rotating disc has Non-smooth surface unit pit with the surface of cannelure cooperation, base edge has four
Individual large through-hole corresponding with testing stand, base has four major thread holes corresponding with pillar, has positioning boss, bottom in the middle of base
There is cannelure corresponding with lower rotating disc in the middle of seat, have rotating disk through hole in the middle of simulation ground, in simulation ground supports plate
Between have balance through hole.
A kind of multi-functional elevation device of automobile wind tunnel test according to claim 1 is it is characterised in that under described
The adjusting rod adjustable length scope of screw rod, adjusting nut and upper screw rod composition is 130mm～250mm, the anteversion and retroversion of car model
Gradient adjustable extent is 0 °～20 °, and the lateral inclination adjustable extent of car model is 0 °～30 °.
Present configuration is simple, convenient for installation and maintenance, simple to operate, efficiency high it is adaptable to multiple different car model,
Underbody and the levelness of simulation the distance between ground and car model can be adjusted according to practical situation, can adjust automobile
The angle of model and direction of flow, can also be by adjusting the relative altitude of four adjusting rods come simulated automotive under various road conditions
Form, multiple automobile wind tunnel test required functions are rolled into one, installation cost is cheap.
Brief description
Fig. 1 is the front schematic view of the multi-functional elevation device of automobile wind tunnel test of the present invention；
Fig. 2 is the schematic three dimensional views of the multi-functional elevation device of automobile wind tunnel test of the present invention；
Fig. 3 is upper rotating disk and the adjusting rod schematic diagram of the multi-functional elevation device of automobile wind tunnel test of the present invention；
Fig. 4 is the lower rotating disc structural representation of the multi-functional elevation device of automobile wind tunnel test of the present invention；
Fig. 5 is the understructure schematic diagram of the multi-functional elevation device of automobile wind tunnel test of the present invention；
Fig. 6 is the simulation earth construction schematic diagram of the multi-functional elevation device of automobile wind tunnel test of the present invention；
Fig. 7 is the simulation ground supports plate structure schematic diagram of the multi-functional elevation device of automobile wind tunnel test of the present invention；
In figure, testing stand 1, base hex screw 2, base 3, lower rotating disc 4, pressing plate 5, housing screw 6, pillar 7, upper rotation
Rotating disk 8, lower screw rod 9, adjusting nut 10, upper screw rod 11, car model 12, little plus screw 13, simulated roadway gripper shoe 14, mould
Intend ground attachment screw 15, simulation ground 16, grand cross screw 17, big location-plate 18, six component balance, 19, pit 20, balance
Lower installing hole 21, balance upper installing hole 22, little location-plate 23, large through-hole 24, major thread hole 25, cannelure 26, positioning boss 27,
Upper rotating disk through hole 28, balance through hole 29.
Specific embodiment
A kind of multi-functional elevation device of automobile wind tunnel test is it is characterised in that include testing stand 1, base hex screw 2, bottom
Seat 3, lower rotating disc 4, pressing plate 5, housing screw 6, pillar 7, upper rotating disk 8, lower screw rod 9, adjusting nut 10, upper screw rod 11, vapour
Vehicle model 12, little plus screw 13, simulated roadway gripper shoe 14, simulation ground attachment screw 15, simulation ground 16, grand cross spiral shell
Nail 17, big location-plate 18, six component balance, 19, pit 20, installing hole 21 under balance, balance upper installing hole 22, little location-plate 23,
Large through-hole 24, major thread hole 25, cannelure 26, positioning boss 27, upper rotating disk through hole 28, balance through hole 29；Car model 12
It is fixed by screws on four pieces little location-plates 23, four pieces little location-plates 23 are fixed by welding on four upper screw rods 11 respectively
End, four upper screw rods 11 are coordinated with four adjusting nuts 10 respectively by right-handed thread, and four lower screw rods 9 are divided by left hand thread
Do not coordinate with adjusting nut 10, each upper 11, adjusting nut 10 of screw rod and a lower screw rod form an adjusting rod, adjust
The length of pole can be adjusted by adjusting nut 10, and the adjusting nut 10 that turns clockwise can make adjusting rod elongated, counterclockwise
Rotating adjusting nut 10 can make adjusting rod shorten, and four lower screw rods 9 are fixed by welding in above rotating disk 8 respectively, eight
Upper rotating disk 8 is fixed on six component balance, 19 little plus screw 13, and six component balance, 19 is fixed on lower rotating disc 4, pressure
Pressing plate 5 is pressed on lower rotating disc 4 tight screw 6, and lower rotating disc 4 is compressed on the base 3, adjust car model 12 with come the side of stream
To angle when, first adjust clamp nut 6 so that pressing plate 5 is not pressed on lower rotating disc 4, rotation lower rotating disc 4 drive on revolve
Rotating disk 8 and car model 12 rotate, and stop operating lower rotating disc when car model 12 and direction of flow angle achieve the goal value
4, then adjust clamp nut 6 and so that pressing plate 5 is compressed on the base 3 by lower rotating disc 4, base 3 is fixed on examination by base hex screw 2
Test on platform 1, simulation ground 16 is passed through simulation ground attachment screw 15 and is fixed on simulation ground supports plate 14, simulates ground 16 He
Simulation ground supports plate 14 is all using high-quality plywood, need not onboard punch in advance, directly use electric screw driver during connection
Simulation ground attachment screw 15 is screwed in plywood, grand cross screw 17 by simulate ground supports plate 14 be fixed on four pieces fixed greatly
On the plate 18 of position, also need not punch in advance on simulation ground supports plate 14 when fixing, directly with electric screw driver by grand cross spiral shell
Nail 17 is screwed in simulation ground supports plate 14, and four pieces of big location-plates are fixed by welding in four pillar 7 tops respectively, and four are propped up
Post 7 is threaded connection to be fixed on the base 3, and upper rotating disk 8 has eight, and screwed hole is corresponding above with six component balance, 19
Balance upper installing hole 22, have in the middle of lower rotating disc 4 eight installation six component balance,s 19 balances under installing hole 21, backspin
There is Non-smooth surface unit pit 20 with the surface of cannelure 26 cooperation, Non-smooth surface unit pit 20 is conducive to lubricating oil on rotating disk 4
Storage, reduces frictional resistance during lower rotating disc 4 respect thereto 3 rotation, base 3 edge have four corresponding with testing stand 1 greatly
Through hole 24, base 3 has four major thread holes 25 corresponding with pillar 7, has positioning boss 27, positioning boss 27 in the middle of base 3
Play the role of positioning and reduce labor content effect, it can make lower rotating disc 4 be horizontal, have and backspin in the middle of base 3
The corresponding cannelure 26 of rotating disk 4, simulation has rotating disk through hole 28 in the middle of ground 16, and upper rotating disk through hole 28 makes rotating disk
8 can pass through simulation ground 16 to drive car model 12 to rotate, and have balance through hole 29, balance in the middle of simulation ground supports plate 14
Through hole 29 enables six component balance, 19 to pass through simulation ground supports plate 14 to drive upper rotating disk 8 to rotate.
A kind of multi-functional elevation device of automobile wind tunnel test according to claim 1 is it is characterised in that under described
The regulation pole length of screw rod 9, adjusting nut 10 and upper screw rod 11 composition can be adjusted by adjusting nut 10, dextrorotation modulation
Section nut 10 can make adjusting rod elongated, and rotate counterclockwise adjusting nut 10 can make adjusting rod shorten, and adjusting rod adjustable extent is
130mm～250mm, the length that can adjust four adjusting rods makes four planes that above screw rod 11 tops are formed and horizontal plane shape
Become different angles, that is, car model 12 forms different inclination angles, the adjustable model of inclination in the running direction of car model 12 from horizontal plane
Enclose for 0 °～20 °, the lateral inclination adjustable extent of car model is 0 °～30 °.
Claims (2)
1. a kind of multi-functional elevation device of automobile wind tunnel test it is characterised in that include testing stand (1), base hex screw (2),
Base (3), lower rotating disc (4), pressing plate (5), housing screw (6), pillar (7), upper rotating disk (8), lower screw rod (9), regulation spiral shell
Female (10), upper screw rod (11), car model (12), little plus screw (13), simulated roadway gripper shoe (14), simulation ground connect
Screw (15), simulation ground (16), grand cross screw (17), big location-plate (18), six component balance, (19), pit (20), sky
Flat lower installing hole (21), balance upper installing hole (22), little location-plate (23), large through-hole (24), major thread hole (25), cannelure
(26), positioning boss (27), upper rotating disk through hole (28), balance through hole (29)；Car model (12) is fixed by screws in four
On the little location-plate of block (23), four pieces little location-plates (23) are separately fixed at four upper screw rod (11) upper ends, four upper screw rods (11)
Coordinated with four adjusting nuts (10) respectively by right-handed thread, four lower screw rods (9) pass through left hand thread respectively with adjust spiral shell
Female (10) cooperation, four lower screw rods (9) are separately fixed at rotating disk (8) above, and eight little plus screw (13) are by upper rotation
Disk (8) is fixed on six component balance, (19), and six component balance, (19) is fixed by screws on lower rotating disc (4), compresses spiral shell
Pressing plate (5) is pressed on lower rotating disc (4) nail (6), lower rotating disc (4) is pressed on base (3), base hex screw (2)
Base (3) is fixed on testing stand (1), simulation ground (16) is passed through simulation ground attachment screw (15) and is fixed on simulation ground
In gripper shoe (14), grand cross screw (17) will be simulated ground supports plate (14) and will be fixed on four pieces of big location-plates (18), four pieces
Big location-plate is separately fixed at four pillar (7) tops, and four pillars (7) are fixed on base (3), and upper rotating disk (8) is opened
Eight are had to have eight with the middle of six component balance, (19) screwed hole corresponding balance upper installing hole (22) above, lower rotating disc (4)
Installing hole (21) under the balance of individual installation six component balance, (19), the surface that lower rotating disc (4) is gone up and cannelure (26) coordinates
There is Non-smooth surface unit pit (20), there are four large through-holes (24) corresponding with testing stand (1) at base (3) edge, base has on (3)
Four major thread holes (25) corresponding with pillar (7), have in the middle of base (3) and have and backspin in the middle of positioning boss (27), base (3)
The corresponding cannelure of rotating disk (4) (26), has rotating disk through hole (28) in the middle of simulation ground (16), simulate ground supports plate
(14) have balance through hole (29) in the middle of.
2. a kind of multi-functional elevation device of automobile wind tunnel test according to claim 1 is it is characterised in that described lower spiral shell
The adjusting rod adjustable length scope that bar (9), adjusting nut (10) and upper screw rod (11) form is 130mm～250mm, car model
Inclination in the running direction adjustable extent be 0 °～20 °, the lateral inclination adjustable extent of car model is 0 °～30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510000635.6A CN104568371B (en) | 2015-01-04 | 2015-01-04 | Multifunctional lifting device for automobile wind tunnel test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510000635.6A CN104568371B (en) | 2015-01-04 | 2015-01-04 | Multifunctional lifting device for automobile wind tunnel test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104568371A CN104568371A (en) | 2015-04-29 |
| CN104568371B true CN104568371B (en) | 2017-02-01 |
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ID=53084952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510000635.6A Expired - Fee Related CN104568371B (en) | 2015-01-04 | 2015-01-04 | Multifunctional lifting device for automobile wind tunnel test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104568371B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953998B (en) * | 2016-04-25 | 2018-01-26 | 辽宁工业大学 | A kind of racing car cross-wind stability index Evaluation Method based on wind tunnel test |
| CN105955186A (en) * | 2016-06-16 | 2016-09-21 | 河北工程大学 | Rotary table control system for sand-dust wind tunnel |
| CN106441790B (en) * | 2016-11-30 | 2019-03-22 | 湖南大学 | A kind of support device for automobile model wind-tunnel test |
| CN106644366A (en) * | 2016-12-29 | 2017-05-10 | 山东华成中德传动设备有限公司 | Test system for influence of airflow on spiral wing |
| CN111929186B (en) * | 2020-08-06 | 2023-06-06 | 重庆广播电视大学重庆工商职业学院 | Tire wear performance test system |
| CN112485013B (en) * | 2020-11-16 | 2021-07-30 | 中国空气动力研究与发展中心高速空气动力研究所 | Single turbofan engine nacelle surface pressure measurement test device with turbine power simulation and pressure measurement test method |
| CN112556968B (en) * | 2021-02-23 | 2021-05-07 | 中国空气动力研究与发展中心低速空气动力研究所 | Three-quarter opening test section for acoustic wind tunnel test |
| CN115060511A (en) * | 2022-06-07 | 2022-09-16 | 同济大学 | Floating type model limiting device for automobile wind tunnel force measurement test |
| CN116609021A (en) * | 2023-07-14 | 2023-08-18 | 中国航空工业集团公司沈阳空气动力研究所 | Mobile floor balance force measuring system and test method for thermal environment wind tunnel |
| CN118482888B (en) * | 2024-07-12 | 2024-09-13 | 溧阳气动创新研究院有限公司 | Automobile wind tunnel device based on virtual simulation test |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7770319B2 (en) * | 2006-04-14 | 2010-08-10 | Mcdonald Daniel E | Rotatable gun rest |
| US20100000170A1 (en) * | 2008-07-03 | 2010-01-07 | Parks Jerry M | Pre-Applied Waterless Adhesive On HVAC Facings With Sealable Flange |
| CN101650256A (en) * | 2009-08-20 | 2010-02-17 | 吉林大学 | Automobile wind tunnel test system for matching with moving belt ground effect |
| CN102353511B (en) * | 2011-07-01 | 2013-06-05 | 浙江大学 | Wind tunnel force measurement balance multifunctional supporting device |
| CN102798510B (en) * | 2012-09-12 | 2015-02-18 | 吉林大学 | Supporting device for automotive wind tunnel experiment model |
| CN204314047U (en) * | 2015-01-04 | 2015-05-06 | 浙江大学 | The multi-functional elevation device of a kind of automobile wind tunnel test |
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2015
- 2015-01-04 CN CN201510000635.6A patent/CN104568371B/en not_active Expired - Fee Related
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| CN104568371A (en) | 2015-04-29 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Xiaowen Inventor after: Liu Huanqian Inventor after: Zhang Mingxiao Inventor after: Liu Rui Inventor after: Guo Changchun Inventor after: Yasenjiang Baikeli Inventor after: Zhou Pei Inventor after: Pang Yan Inventor after: Lin Pengzhe Inventor after: Cai Yunning Inventor before: Song Xiaowen Inventor before: Liu Rui Inventor before: Guo Changchun Inventor before: Yasenjiang Baikeli Inventor before: Zhou Pei Inventor before: Pang Yan Inventor before: Lin Pengzhe |
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Granted publication date: 20170201 Termination date: 20200104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |