CN102944434B - U-shaped wind tunnel test train accelerating system - Google Patents
U-shaped wind tunnel test train accelerating system Download PDFInfo
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- CN102944434B CN102944434B CN201210505519.6A CN201210505519A CN102944434B CN 102944434 B CN102944434 B CN 102944434B CN 201210505519 A CN201210505519 A CN 201210505519A CN 102944434 B CN102944434 B CN 102944434B
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Abstract
The invention provides a U-shaped wind tunnel test train accelerating system which is characterized by comprising supporting frames, U-shaped slide rails, a test bridge span model, a train model, a special train hook device and a special train tripping device, wherein the supporting frames are mounted at the two ends of the test bridge span model; the supporting frames are provided with the U-shaped slide rails; the U-shaped slide rails are provided with the special train hook device and the special train tripping device; the train model is suspended on the special train hook device; and the special train tripping device is arranged at the contact part of the special train hook device and the train model. The U-shaped wind tunnel test train accelerating system provides technical guarantees to a test research on pneumatic performance of a wind-vehicle-bridge system.
Description
Technical field
The present invention relates to a kind of high-speed railway " wind-Che-bridge " wind tunnel test system, be specifically related to a kind of U-shaped wind tunnel test train accelerating system.
Background technology
The important embodiment that the fast development of high-speed railway is the national economic development, national power strengthens.According to " planning of Chinese Railway Long-and Medium-term Development ", will a lot of high-speed railway be had to cross over the vast rivers,lakes and seas of China, valley, mountains and rivers, severe complicated wind environment test will be faced.Repeatedly charming appearance and behaviour derail and capsizing case are there is both at home and abroad, the focus making safe, the comfortable operation of bullet train under complicated wind environment become governments at all levels and the people to pay close attention to.Though the stable Journal of Sex Research of beam wind effect Train obtains extensive concern, but be only confined to theoretical analysis and numerical simulation, still wind tunnel test checking is lacked, and special also rare for bullet train overturn stability wind tunnel test on bridge under harsher wind conditions, the aeroperformance of research " wind-Che-bridge " system needs the train of movement to carry out wind tunnel test.
Therefore, study a kind of novel U-shaped wind tunnel test train accelerating system and become technical matters urgently to be resolved hurrily.
Summary of the invention
For the defect that prior art exists, the object of the invention is to propose a kind of U-shaped wind tunnel test train accelerating system, carry out the simulation test reappeared in kind by the model of simulating actual bridge, track and train.
Technical scheme of the present invention is: a kind of U-shaped wind tunnel test train accelerating system, it is characterized in that comprising bracing frame, U-shaped slideway, test bridge cross-module type, train model, special train hooking device and special train trip mechanism, test bridge cross-module type two ends arrange bracing frame, bracing frame is arranged U-shaped slideway, U-shaped installation of slide track has special train hooking device and special train trip mechanism, special train hooking device hangs train model, and special train hooking device and train model contact site are provided with special train trip mechanism.
Preferably, the U-shaped slideway of both sides is provided with special train hooking device and special train trip mechanism.
Preferably, U-shaped slideway homonymy is provided with two groups or many groups special train hooking devices and special train trip mechanism that be arranged in parallel, and the special train hooking device be arranged in parallel all hangs train model.
Preferably, the U-shaped slideway of train working direction has speed reduction.
Preferably, between U-shaped slideway and test bridge cross-module type be seamless link.
Preferably, be connected for seamed between U-shaped slideway with test bridge cross-module type.
Preferably, test bridge cross-module type comprises bridge pier, beam body and bridge floor track.
Preferably, bridge floor track is double track railway.
Preferably, bridge floor track is many parallel double track railways.
Preferably, U-shaped slideway passes side wall wind-tunnel, to reduce windage effect and to increase slideway length.
Advantageous Effects of the present invention is:
1, bracing frame effect: support U-shaped slideway; U-shaped slideway: train accelerated slip and deceleration are provided; Test bridge cross-module type: certain high-speed railway typical bridge model, comprising bridge pier, beam body and bridge floor rail system (double track railway), is one of main study subject; Train model: at certain high ferro train model, be one of main study subject; Special train hook and trip mechanism: realize train highly fixing and transient state unhook at certain, allow train potential energy converting and energy be kinetic energy, Train experiment speed is provided.
2, U-shaped accelerating system feature: (1) provides travelling speed on train bridge is kinetic energy theory according to potential energy converting and energy, provides travelling speed on train bridge; (2) realize train deceleration and parking function, train is converted to potential energy principle by kinetic energy, realizes train deceleration and parking function after passing a bridge.
Above feature is that the experimental study of " wind-Che-bridge " system aeroperformance provides technology guarantee.
Accompanying drawing explanation
Fig. 1 is one of structural representation of embodiment of the present invention U-shaped wind tunnel test train accelerating system.
Fig. 2 is the structural representation two of embodiment of the present invention U-shaped wind tunnel test train accelerating system.
The object of the invention realization, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
A kind of U-shaped wind tunnel test train accelerating system of concrete enforcement is in comprising bracing frame 1, U-shaped slideway 2, test bridge cross-module type 3, train model 4, special train hooking device 5 and special train trip mechanism 6, test bridge cross-module type 3 two ends arrange bracing frame 1, bracing frame 1 is arranged U-shaped slideway 2, the peak of U-shaped slideway 2 is provided with special train hooking device 5 and special train trip mechanism 6, special train hooking device 5 hangs train model 4, and special train hooking device 5 is provided with special train trip mechanism 6 with train model 4 contact site.
It is also, the U-shaped slideway 2 of both sides is provided with special train hooking device 5 and special train trip mechanism 6.
It is also, U-shaped slideway 2 homonymy is provided with two groups or many groups special train hooking devices 5 and special train trip mechanism 6 that be arranged in parallel, and the special train hooking device 5 be arranged in parallel all hangs train model 4.
It is also, the U-shaped slideway of train working direction has speed reduction.
It is also, is seamless link between U-shaped slideway 2 and test bridge cross-module type 3.
It is also, is connected between U-shaped slideway 2 with test bridge cross-module type 3 for seamed.
It is also, test bridge cross-module type 3 comprises bridge pier 7, beam body 8 and bridge floor track 9.
It is also, bridge floor track 9 is double track railway.
It is also, bridge floor track 9 is many parallel double track railways.
It is also, U-shaped slideway passes side wall wind-tunnel, to reduce windage effect and to increase slideway length.
Fig. 1 is one of structural representation of embodiment of the present invention U-shaped wind tunnel test train accelerating system, as shown in Figure 1, a kind of U-shaped wind tunnel test train accelerating system is in comprising bracing frame 1, U-shaped slideway 2, test bridge cross-module type 3, train model 4, special train hooking device 5 and special train trip mechanism 6, test bridge cross-module type 3 two ends arrange bracing frame 1, bracing frame 1 is arranged U-shaped slideway 2, the peak of U-shaped slideway 2 is provided with special train hooking device 5 and special train trip mechanism 6, special train hooking device 5 hangs train model 4, special train hooking device 5 is provided with special train trip mechanism 6 with train model 4 contact site, the peak at U-shaped slideway 2 two ends is provided with special train hooking device 5 and special train trip mechanism 6, test bridge cross-module type comprises bridge pier 7, beam body 8 and bridge floor track 9, bridge floor track 9 is many parallel double track railways.
Fig. 2 is the structural representation two of embodiment of the present invention U-shaped wind tunnel test train accelerating system, a kind of U-shaped wind tunnel test train accelerating system is in comprising bracing frame 1, U-shaped slideway 2, test bridge cross-module type 3, train model 4, special train hooking device 5 and special train trip mechanism 6, test bridge cross-module type 3 two ends arrange bracing frame 1, bracing frame 1 is arranged U-shaped slideway 2, the peak of U-shaped slideway 2 is provided with special train hooking device 5 and special train trip mechanism 6, special train hooking device 5 hangs train model 4, special train hooking device 5 is provided with special train trip mechanism 6 with train model 4 contact site, the peak at U-shaped slideway 3 two ends is provided with special train hooking device 5 and special train trip mechanism 6, test bridge cross-module type 3 comprises bridge pier 7, beam body 8 and bridge floor track 9, U-shaped slideway 2 is through side wall wind-tunnel 10.
Claims (9)
1. a U-shaped wind tunnel test train accelerating system, it is characterized in that comprising bracing frame, U-shaped slideway, test bridge cross-module type, train model, special train hooking device and special train trip mechanism, test bridge cross-module type two ends arrange bracing frame, bracing frame is arranged U-shaped slideway, U-shaped slideway is provided with special train hooking device and special train trip mechanism, special train hooking device hangs train model, and special train hooking device and train model contact site are provided with special train trip mechanism;
U-shaped slideway passes side wall wind-tunnel, to reduce windage effect and to increase slideway length;
There is provided travelling speed on train bridge: be kinetic energy theory according to potential energy converting and energy, travelling speed on train bridge is provided; Realize train deceleration and parking function: train is converted to potential energy principle by kinetic energy, realizes train deceleration and parking function after passing a bridge.
2. U-shaped wind tunnel test train accelerating system according to claim 1, is characterized in that: the U-shaped slideway of both sides is provided with special train hooking device and special train trip mechanism.
3. U-shaped wind tunnel test train accelerating system according to claim 1, it is characterized in that: U-shaped slideway homonymy is provided with two groups or many groups special train hooking devices and special train trip mechanism that be arranged in parallel, and the special train hooking device be arranged in parallel all hangs train model.
4. U-shaped wind tunnel test train accelerating system according to claim 1, is characterized in that: the U-shaped slideway of train working direction has speed reduction.
5. U-shaped wind tunnel test train accelerating system according to claim 1, is characterized in that: be seamless link between U-shaped slideway and test bridge cross-module type.
6. U-shaped wind tunnel test train accelerating system according to claim 1, is characterized in that: be connected for seamed between U-shaped slideway with test bridge cross-module type.
7. U-shaped wind tunnel test train accelerating system according to claim 1, is characterized in that: test bridge cross-module type comprises bridge pier, beam body and bridge floor track.
8. U-shaped wind tunnel test train accelerating system according to claim 7, is characterized in that: bridge floor track is double track railway.
9. U-shaped wind tunnel test train accelerating system according to claim 8, is characterized in that: bridge floor track is many parallel double track railways.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210505519.6A CN102944434B (en) | 2012-11-30 | 2012-11-30 | U-shaped wind tunnel test train accelerating system |
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| CN201210505519.6A CN102944434B (en) | 2012-11-30 | 2012-11-30 | U-shaped wind tunnel test train accelerating system |
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| CN102944434A CN102944434A (en) | 2013-02-27 |
| CN102944434B true CN102944434B (en) | 2015-03-25 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398834B (en) * | 2013-08-16 | 2016-12-28 | 中南大学 | A kind of circular orbit, vehicle, bridge model wind tunnel test system |
| CN103698140B (en) * | 2013-12-11 | 2015-12-09 | 中南大学 | The dynamic simulation test system of train traveling safety on railway bridge under earthquake |
| CN104655390B (en) * | 2015-02-12 | 2018-01-05 | 西南交通大学 | Mobile vehicle model wind tunnel test device on bridge based on accurate line slide rail |
| CN104764580B (en) * | 2015-04-02 | 2017-07-07 | 西南交通大学 | Mobile vehicle model three-dimensional wind load test device on bridge |
| CN105387989B (en) * | 2015-11-24 | 2017-09-01 | 中国石油天然气集团公司 | The method for setting wire to simulate pipeline suspension bridge wind resistant property on pipeline model |
| CN108398226A (en) * | 2018-05-08 | 2018-08-14 | 中南大学 | The lower train-bridge system aerodynamic characteristic wind tunnel test test device of beam wind effect and method |
| CN109029898A (en) * | 2018-08-28 | 2018-12-18 | 中南大学 | Wind tunnel test train slides accelerator and acceleration system |
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| DE29903255U1 (en) * | 1999-02-23 | 1999-05-12 | Oesterreichisches Forschungs U | Wind tunnel |
| CN101498622A (en) * | 2008-12-25 | 2009-08-05 | 中南大学 | Simulated moving model experiment method and apparatus for aerodynamic performance of train |
| CN202994486U (en) * | 2012-11-30 | 2013-06-12 | 中南大学 | A U-shaped wind tunnel testing train accelerating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4135954B2 (en) * | 2006-01-27 | 2008-08-20 | 独立行政法人 宇宙航空研究開発機構 | Magnetically supported balance device for automobiles |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29903255U1 (en) * | 1999-02-23 | 1999-05-12 | Oesterreichisches Forschungs U | Wind tunnel |
| CN101498622A (en) * | 2008-12-25 | 2009-08-05 | 中南大学 | Simulated moving model experiment method and apparatus for aerodynamic performance of train |
| CN202994486U (en) * | 2012-11-30 | 2013-06-12 | 中南大学 | A U-shaped wind tunnel testing train accelerating system |
Non-Patent Citations (1)
| Title |
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| 高速列车动模型试验装置的新型加速方法研究;单希壮 等;《大连交通大学学报》;20090831;第30卷(第4期);第1-6页 * |
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