CN104568371A - Multifunctional lifting device for automobile wind tunnel test - Google Patents
Multifunctional lifting device for automobile wind tunnel test Download PDFInfo
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- CN104568371A CN104568371A CN201510000635.6A CN201510000635A CN104568371A CN 104568371 A CN104568371 A CN 104568371A CN 201510000635 A CN201510000635 A CN 201510000635A CN 104568371 A CN104568371 A CN 104568371A
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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 the multi-functional elevation device of a kind of automobile wind tunnel test, be particularly applied in and do not have other effective ways to 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-tunnel is an important means of research automotive aerodynamics.Current domestic special automobile wind tunnel is considerably less, and a lot of research institution has to carry out automobile wind tunnel test in other wind-tunnel, but not the device of ground effect generally all do not removed specially by automobile specified wind-tunnel, and this brings many troubles to automobile wind tunnel test.
Existing removal ground effect method mainly contains suction method, mobile ground method, image method and raises method, and suction method, mobile ground method and image method cost are higher, complex structure, and installation and maintenance are inconvenient.Existingly raise method elevation device complex structure, inconvenient operation, and function singleness.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of automobile wind tunnel test multi-functional elevation device.
The multi-functional elevation device of a kind of automobile wind tunnel test, is characterized in that comprising mounting hole, little location-plate, large through-hole, major thread hole, ring groove, positioning boss, upper rotating disc through hole, balance through hole on mounting hole under testing table, base hex screw, base, lower rotating disc, pressing plate, housing screw, pillar, upper rotating disc, lower screw rod, setting nut, upper screw rod, car model, little plus screw, simulated roadway back up pad, simulation ground attachment screw, simulation ground, grand cross screw, large location-plate, six component balance, pit, balance, balance, car model is fixed by screws on four pieces of little location-plates, four pieces of little location-plates are separately fixed at four upper screw rod upper ends, four upper screw rods are coordinated with four setting nuts respectively by right-hand thread, four lower screw rods are coordinated with setting nut respectively by left-hand thread (LHT), four lower screw rods are separately fixed at above rotating disc, upper rotating disc is fixed on six component balance, by eight little plus screw, six component balance, is fixed on lower rotating disc, pressing plate is pressed on lower rotating disc by housing screw, lower rotating disc is pressed on base, base is fixed on testing table by base hex screw, simulation ground is fixed in the back up pad of simulation ground by simulation ground attachment screw, simulation ground back up pad is fixed on four pieces of large location-plates by grand cross screw, four pieces of large location-plates are separately fixed at four pillar tops, four pillars are fixed on base, upper rotating disc has mounting hole on eight balances corresponding with threaded hole above six component balance, have eight in the middle of lower rotating disc and mounting hole under the balance of six component balance,s is installed, there is Non-smooth surface unit pit on the surface that lower rotating disc coordinates with ring groove, base edge has four large through-holes corresponding with testing table, base there is the major thread hole that four corresponding with pillar, positioning boss is had in the middle of base, the ring groove corresponding with lower rotating disc is had in the middle of base, simulation has rotating disc through hole in the middle of ground, balance through hole is had in the middle of the back up pad of simulation ground.
The multi-functional elevation device of a kind of automobile wind tunnel test according to claim 1, it is characterized in that the adjuster bar adjustable length scope that described lower screw rod, setting nut and upper screw rod form is 130mm ~ 250mm, the inclination in the running direction adjustable extent of car model is 0 ° ~ 20 °, and the lateral inclination adjustable extent of car model is 0 ° ~ 30 °.
Structure of the present invention is simple, convenient for installation and maintenance, simple to operate, efficiency is high, is applicable to multiple different car model, can regulate at the bottom of car and the levelness of the distance simulated between ground and car model according to actual conditions, can adjust car model with carry out the angle of flow path direction, can also carry out the form of simulated automotive under various road conditions by regulating the relative height of four adjuster bars, rolled into one by multiple automobile wind tunnel test required function, installation cost is cheap.
Accompanying drawing explanation
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 disc and the adjuster bar 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 ground structural representation of the multi-functional elevation device of automobile wind tunnel test of the present invention;
Fig. 7 is the simulation ground supporting plate structure schematic diagram of the multi-functional elevation device of automobile wind tunnel test of the present invention;
In figure, testing table 1, base hex screw 2, base 3, lower rotating disc 4, pressing plate 5, housing screw 6, pillar 7, upper rotating disc 8, lower screw rod 9, setting nut 10, upper screw rod 11, car model 12, little plus screw 13, simulated roadway back up pad 14, simulation ground attachment screw 15, simulation ground 16, grand cross screw 17, large location-plate 18, six component balance, 19, pit 20, mounting hole 21 under balance, mounting hole 22 on balance, little location-plate 22, large through-hole 23, major thread hole 24, ring groove 25, positioning boss 26, upper rotating disc through hole 27, balance through hole 28.
Embodiment
The multi-functional elevation device of a kind of automobile wind tunnel test, it is characterized in that comprising testing table 1, base hex screw 2, base 3, lower rotating disc 4, pressing plate 5, housing screw 6, pillar 7, upper rotating disc 8, lower screw rod 9, setting nut 10, upper screw rod 11, car model 12, little plus screw 13, simulated roadway back up pad 14, simulation ground attachment screw 15, simulation ground 16, grand cross screw 17, large location-plate 18, six component balance, 19, pit 20, mounting hole 21 under balance, mounting hole 22 on balance, little location-plate 23, large through-hole 24, major thread hole 25, ring groove 26, positioning boss 27, upper rotating disc through hole 28, balance through hole 29, car model 12 is fixed by screws on four pieces little location-plates 23, four pieces little location-plates 23 are respectively by being weldingly fixed on four upper screw rod 11 upper ends, four upper screw rods 11 are coordinated with four setting nuts 10 respectively by right-hand thread, four lower screw rods 9 are coordinated with setting nut 10 respectively by left-hand thread (LHT), screw rod 11 on each root, a setting nut 10 and a lower screw rod form an adjuster bar, the length of adjuster bar can be regulated by setting nut 10, the setting nut 10 that turns clockwise can make adjuster bar elongated, being rotated counterclockwise setting nut 10 can make adjuster bar shorten, four lower screw rods 9 are respectively by being weldingly fixed on above upper rotating disc 8, upper rotating disc 8 is fixed on six component balance, 19 by eight little plus screw 13, six component balance, 19 is fixed on lower rotating disc 4, pressing plate 5 is pressed on lower rotating disc 4 by housing screw 6, lower rotating disc 4 is compressed on the base 3, vehicles model 12 is with when carrying out the angle of flow path direction, gland nut 6 is first regulated to make pressing plate 5 not be pressed on lower rotating disc 4, rotating lower rotating disc 4 drives upper rotating disc 8 and car model 12 to rotate, stop operating during the value that achieves the goal in car model 12 and incoming flow angular separation lower rotating disc 4, gland nut 6 is regulated to make pressing plate 5 compress on the base 3 by lower rotating disc 4 again, base 3 is fixed on testing table 1 by base hex screw 2, simulation ground 16 is fixed in simulation ground back up pad 14 by simulation ground attachment screw 15, simulation ground 16 and simulation ground back up pad 14 are all adopt high-quality scale board, without the need to punching onboard in advance during connection, simulation ground attachment screw 15 is screwed in scale board by direct electric screw driver, simulation ground back up pad 14 is fixed on four pieces of large location-plates 18 by grand cross screw 17, also without the need to punching in advance in simulation ground back up pad 14 time fixing, grand cross screw 17 is screwed in simulation ground back up pad 14 by direct electric screw driver, four pieces of large location-plates are respectively by being weldingly fixed on four pillar 7 tops, four pillars 7 are threaded connection to be fixed on the base 3, upper rotating disc 8 has eight with mounting hole 22 on six component balance, 19 balance that above threaded hole is corresponding, have eight in the middle of lower rotating disc 4 and mounting hole 21 under the balance of six component balance,s 19 is installed, there is Non-smooth surface unit pit 20 on the surface that lower rotating disc 4 coordinates with ring groove 26, Non-smooth surface unit pit 20 is conducive to the storage of lubricating oil, reduce frictional resistance when lower rotating disc 4 respect thereto 3 rotates, there are four large through-holes 24 corresponding with testing table 1 at base 3 edge, base 3 there is the major thread hole 25 that four corresponding with pillar 7, positioning boss 27 is had in the middle of base 3, positioning boss 27 plays the role of positioning and reduces labor content effect, it can make lower rotating disc 4 be horizontal, the ring groove 26 corresponding with lower rotating disc 4 is had in the middle of base 3, simulation has rotating disc through hole 28 in the middle of ground 16, upper rotating disc through hole 28 makes rotating disc 8 can rotate through simulation ground 16 driving automobile model 12, balance through hole 29 is had in the middle of the back up pad 14 of simulation ground, balance through hole 29 makes six component balance, 19 upper rotating disc 8 can be driven to rotate through simulation ground back up pad 14.
The multi-functional elevation device of a kind of automobile wind tunnel test according to claim 1, it is characterized in that described lower screw rod 9, the adjuster bar length that setting nut 10 and upper screw rod 11 form regulates by setting nut 10, the setting nut 10 that turns clockwise can make adjuster bar elongated, being rotated counterclockwise setting nut 10 can make adjuster bar shorten, adjuster bar adjustable extent is 130mm ~ 250mm, the plane that can regulate the length of four adjuster bars that four upper screw rod 11 tops are formed forms different angles from surface level, namely car model 12 and surface level form different inclination angles, the inclination in the running direction adjustable extent of car model 12 is 0 ° ~ 20 °, the lateral inclination adjustable extent of car model is 0 ° ~ 30 °.
Claims (2)
1. the multi-functional elevation device of automobile wind tunnel test, it is characterized in that comprising testing table (1), base hex screw (2), base (3), lower rotating disc (4), pressing plate (5), housing screw (6), pillar (7), upper rotating disc (8), lower screw rod (9), setting nut (10), upper screw rod (11), car model (12), little plus screw (13), simulated roadway back up pad (14), simulation ground attachment screw (15), simulation ground (16), grand cross screw (17), large location-plate (18), six component balance, (19), pit (20), mounting hole (21) under balance, mounting hole (22) on balance, little location-plate (23), large through-hole (24), major thread hole (25), ring groove (26), positioning boss (27), upper rotating disc through hole (28), balance through hole (29), car model (12) is fixed by screws on four pieces of little location-plates (23), four pieces of little location-plates (23) are separately fixed at four upper screw rod (11) upper ends, four upper screw rods (11) are coordinated with four setting nuts (10) respectively by right-hand thread, four lower screw rods (9) are coordinated with setting nut (10) respectively by left-hand thread (LHT), four lower screw rods (9) are separately fixed at above rotating disc (8), upper rotating disc (8) is fixed on six component balance, (19) by eight little plus screw (13), six component balance, (19) is fixed by screws on lower rotating disc (4), pressing plate (5) is pressed on lower rotating disc (4) by housing screw (6), lower rotating disc (4) is pressed on base (3), base (3) is fixed on testing table (1) by base hex screw (2), simulation ground (16) is fixed in simulation ground back up pad (14) by simulation ground attachment screw (15), grand cross screw (17) will be simulated ground back up pad (14) and will be fixed on four pieces of large location-plates (18), four pieces of large location-plates are separately fixed at four pillar (7) tops, four pillars (7) are fixed on base (3), upper rotating disc (8) has eight with mounting hole (22) on six component balance, (19) balance that above threaded hole is corresponding, have eight in the middle of lower rotating disc (4) and mounting hole (21) under the balance of six component balance, (19) is installed, there is Non-smooth surface unit pit (20) on the upper surface coordinated with ring groove (26) of lower rotating disc (4), there are four large through-holes (24) corresponding with testing table (1) at base (3) edge, base (3) there is the major thread hole (25) that four corresponding with pillar (7), positioning boss (27) is had in the middle of base (3), the ring groove (26) corresponding with lower rotating disc (4) is had in the middle of base (3), rotating disc through hole (28) is had in the middle of simulation ground (16), balance through hole (29) is had in the middle of simulation ground back up pad (14).
2. the multi-functional elevation device of a kind of automobile wind tunnel test according to claim 1, it is characterized in that the adjuster bar adjustable length scope that described lower screw rod (9), setting nut (10) and upper screw rod (11) form is 130mm ~ 250mm, the inclination in the running direction adjustable extent of car model is 0 ° ~ 20 °, and 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 |
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| Publication Number | Publication Date |
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| CN104568371A true CN104568371A (en) | 2015-04-29 |
| CN104568371B CN104568371B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510000635.6A Expired - Fee Related CN104568371B (en) | 2015-01-04 | 2015-01-04 | Multifunctional lifting device for automobile wind tunnel test |
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Cited By (8)
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|---|---|---|---|---|
| CN105955186A (en) * | 2016-06-16 | 2016-09-21 | 河北工程大学 | Rotary table control system for sand-dust wind tunnel |
| CN105953998A (en) * | 2016-04-25 | 2016-09-21 | 辽宁工业大学 | Racing car cross wind stability index evaluation method based on wind tunnel test |
| CN106441790A (en) * | 2016-11-30 | 2017-02-22 | 湖南大学 | Car model air tunnel test support device |
| 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 |
| CN111929186A (en) * | 2020-08-06 | 2020-11-13 | 重庆广播电视大学重庆工商职业学院 | Tire wear performance testing system |
| CN112485013A (en) * | 2020-11-16 | 2021-03-12 | 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 |
| CN112556968A (en) * | 2021-02-23 | 2021-03-26 | 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105953998A (en) * | 2016-04-25 | 2016-09-21 | 辽宁工业大学 | Racing car cross wind stability index evaluation method based on wind tunnel test |
| 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 |
| CN106441790A (en) * | 2016-11-30 | 2017-02-22 | 湖南大学 | Car model air tunnel test support device |
| 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 |
| CN111929186A (en) * | 2020-08-06 | 2020-11-13 | 重庆广播电视大学重庆工商职业学院 | Tire wear performance testing system |
| CN112485013A (en) * | 2020-11-16 | 2021-03-12 | 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 |
| CN112556968A (en) * | 2021-02-23 | 2021-03-26 | 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 |
| 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 |
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| CN104568371B (en) | 2017-02-01 |
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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 |