CN102967474B - A kind of High Speed Train Models experiment porch - Google Patents
A kind of High Speed Train Models experiment porch Download PDFInfo
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- CN102967474B CN102967474B CN201210435081.9A CN201210435081A CN102967474B CN 102967474 B CN102967474 B CN 102967474B CN 201210435081 A CN201210435081 A CN 201210435081A CN 102967474 B CN102967474 B CN 102967474B
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Abstract
The invention discloses a kind of High Speed Train Models experiment porch, comprise: experiment track and the carriage track be arranged in parallel with the suitable spacing of described experiment orbital spacing, experiment track is used for running train model, carriage track is for running the trailer that can push described train model and run, and described trailer is accelerated by a piston mechanism traction; Described experiment track comprises: accelerating sections, experimental section and braking section; Described trailer is passing through trailer magnetic speed reducing device to described trailer service through described braking section, and described train model is being slowed down to described train model by train model magnetic speed reducing device through described braking section.
Description
Technical field
The present invention relates to a kind of magnetic that adopts and carry out the High Speed Train Models experiment porch slowed down.
Background technology
Along with bullet train (more than speed per hour 270 km) operation worldwide, one of key device that High-speed Train runs is high-speed rain movable model type experimental provision.The primary structure of this device is divided into three parts: the deceleration recovery section of the accelerating part of High Speed Train Models, the part of detecting of train model and train model.The accelerating part of High Speed Train Models adopts the speed accelerated in certain distance by train model someway required by experiment; Then train model enters test zone at a high speed, completes relevant various tests in its operational process; Last train model enters recovery deceleration part and progressively slows down until stop motion completely.
The key of high-speed rain movable model type experimental provision is the speed technology of train model.Different accelerated method not only decides the size of accelerated train model, structure and weight, also has various concrete restriction and requirement to the deceleration of train model and recovery simultaneously.Adopt reasonably effective accelerated method be realize train model and can have different aerodynamic appearance, can have larger quality and contracting than size, the basis that safety and nondestructive reclaims can be realized.
Patented claim 201110398808.6 " the High Speed Train Models accelerator based on compressed gas-driven " discloses a kind of high-speed rain movable model type experimental provision, the carriage track that the experiment of this experimental provision comprises track and be arranged in parallel with the suitable spacing of experiment orbital spacing, experiment track is used for running train model, carriage track is for running the trailer that can push train model and run, and trailer is accelerated by a piston mechanism traction.Experiment track comprises: accelerating sections, experimental section and braking section, and the position that carriage track is corresponding with test section is provided with trailer service device, and the position that experiment track is corresponding with braking section is provided with train model reduction gear.
Existingly mainly adopt friction mode to slow down for the reducing gear in trailer service device and train model reduction gear, such as, block rubber is installed and realizes friction eceleration.But due to trailer and train model accelerated after, the speed entering into braking section can reach more than 300,000 ms/h, and therefore each experiment is quite serious to the wearing and tearing of reducing gear, and slows down and need the distance of design also very long.
Summary of the invention
For prior art Problems existing, the object of the present invention is to provide a kind of High Speed Train Models experiment porch, can slow down to trailer or train model well.
A kind of High Speed Train Models experiment porch of the present invention comprises: experiment track and the carriage track be arranged in parallel with the suitable spacing of described experiment orbital spacing, experiment track is used for running train model, carriage track is for running the trailer that can push described train model and run, and described trailer is accelerated by a piston mechanism traction; Described experiment track comprises: accelerating sections, experimental section and braking section; Described trailer is passing through trailer magnetic speed reducing device to described trailer service through described braking section, and described train model is being slowed down to described train model by train model magnetic speed reducing device through described braking section.
Preferably, described trailer magnetic speed reducing device comprises: two that set up at described braking section relative and the first iron plates of the suitable distance in interval and be arranged on and have certain thickness first aluminium alloy plate bottom described trailer, first aluminium alloy plate is clipped between two the first iron plates, the suitable distance of spacing of the first iron plate and the first aluminium alloy plate.
Preferably, offer the mounting hole of more than a group at the thickness direction of described first aluminium alloy plate, in mounting hole, be inlaid with permanent magnetic iron pole.
Preferably, described mounting hole comprises 2 in a thickness direction two distances of shaft centers that end face is inwardly offered by described first aluminium alloy plate from the counterbore of suitable spacing, and the polarity of the adjacent end face of the described permanent magnetic iron pole inlayed in 2 counterbores is different.
Preferably, described train model magnetic speed reducing device comprises: the second iron plate arranged in the bottom of described braking section and the second aluminium alloy plate be arranged on bottom described train model, the second aluminium alloy plate is apart from the suitable distance of described second iron plate.
Preferably, offer the mounting hole of more than a group at the thickness direction of described second aluminium alloy plate, in mounting hole, be inlaid with permanent magnetic iron pole.
Preferably, described mounting hole comprises 2 in a thickness direction two distances of shaft centers that end face is inwardly offered by described second aluminium alloy plate from the counterbore of suitable spacing, and the polarity of the adjacent end face of the described permanent magnetic iron pole inlayed in 2 counterbores is different.
The utility model inlays permanent magnetic iron pole by adopting aluminium alloy plate, in use by installing iron plate on the dragging track of braking section, and aluminium alloy plate is arranged on trailer or train model, when aluminium alloy plate is through iron plate, by the deceleration realizing trailer or train model to the magnetic attraction of iron plate by permanent magnetic iron pole, therefore the mode adopting friction eceleration can not be needed, the i.e. suitable spacing in interval between aluminium alloy plate and iron plate, therefore can not produce friction, avoid the situation appearance of reducing gear owing to rubbing impaired.In addition, adopt the mode that magnetic attraction slows down, by adjusting the quantity of permanent magnetic iron pole and magnetic size, magnetic attraction between aluminium alloy plate and iron plate can be made very large, thus reach the shorter braking section distance of design just can by the object of train model and trailer service.In addition, mounting hole on aluminium alloy plate is designed to out-of-alignment two counterbores, the installation of permanent magnetic iron pole can not only be facilitated, and abut against together to the intermediate adsorbent of aluminium alloy plate due to two permanent magnetic iron poles, permanent magnetic iron pole can also be avoided to move to a side end face and the situation that permanent magnetic iron pole comes off out from mounting hole occurs, thus guaranteeing the safety that uses and reliable.
Accompanying drawing explanation
Fig. 1 is high-speed rain movable model type experimental provision front elevation;
Fig. 2 is the structural representation of aluminium alloy plate;
Fig. 3 is the structural representation of trailer magnetic speed reducing device;
Fig. 4 is the structural representation of train model magnetic speed reducing device.
Embodiment
Below with reference to the accompanying drawings, embodiments of the invention are specifically described.Fig. 1 is high-speed rain movable model type experimental provision front elevation of the present invention.As shown in Figure 1, the present invention includes: experiment track 1 and and the carriage track 2 that be arranged in parallel of experiment track 1 interval suitable spacing, in embodiments of the present invention, experiment track 1 is positioned at the top of carriage track 2, certainly, can be that experiment track 1 arranges with the bottom of carriage track 2 or the two horizontal parallel is arranged.Experiment track 1 is for running train model 3, and carriage track 2 is for running the trailer 4 that can push train model 3 and run, and trailer 4 is drawn by a piston mechanism 5 and accelerates.
As shown in Figure 1, piston mechanism 5 specifically comprises: pipeline 51 and the piston 52 be arranged in pipeline 51, piston 52 is connected with trailer 4 by a dragrope 53.In embodiments of the present invention, test track 1 to comprise: accelerating sections 11, experimental section 12 and braking section 13.
In embodiments of the present invention, trailer 4 is slowed down to trailer 4 by trailer magnetic speed reducing device when through braking section 13, and train model 3 is slowed down to train model 3 by train model magnetic speed reducing device when through braking section 13.
As shown in Figure 3, trailer magnetic speed reducing device comprises: the iron plate 9 of and the interval suitable distance relative by two of setting up at braking section 13 and be arranged on and have certain thickness aluminium alloy plate 8 bottom trailer 4, aluminium alloy plate 8 is clipped between two iron plates 9, aluminium alloy plate 8 as far as possible close to iron plate 9, to improve the magnetic attraction between iron plate 9.Like this, when not by friction eceleration, the braking effect well to train model 4 can be obtained.
As shown in Figure 4, train model magnetic speed reducing device comprises: the iron plate 7 arranged in the bottom of braking section 13 and the aluminium alloy plate 8 be arranged on bottom train model 3, aluminium alloy plate 8 as far as possible close to iron plate 7, to improve the magnetic attraction between iron plate 7.Like this, when not by friction eceleration, the braking effect well to train model 6 can be obtained.
As shown in Figure 2, in embodiments of the present invention, the thickness direction of aluminium alloy plate 8 offers many group mounting holes 81, is inlaid with permanent magnetic iron pole 84 in mounting hole 81.
In order to be convenient to install and use, in embodiments of the present invention, mounting hole 81 comprises by the counterbore 82,83 of in a thickness direction two of aluminium alloy plate 8 distances of shaft centers that end face is inwardly offered from suitable spacing, and the polarity of the adjacent end face of the permanent magnetic iron pole 84 inlayed in counterbore 82,83 is different.
The present invention inlays permanent magnetic iron pole 84 by adopting aluminium alloy plate 8, in use by installing iron plate 7 or iron plate 9 on the dragging track of braking section 13, and aluminium alloy plate 8 is arranged on trailer 4 or train model 3, when aluminium alloy plate 8 is through iron plate 7 or iron plate 9, the deceleration to trailer 4 or train model 3 is realized by the magnetic attraction by permanent magnetic iron pole 84 pairs of iron plates 7 or iron plate 9, therefore the mode adopting friction eceleration can not be needed, the i.e. suitable spacing in interval between aluminium alloy plate 8 and iron plate 7 or iron plate 9, therefore friction can not be produced, avoid the situation appearance of reducing gear owing to rubbing impaired.
In addition, adopt the mode that magnetic attraction slows down, by adjusting the quantity of permanent magnetic iron pole 84 and magnetic size, magnetic attraction between aluminium alloy plate 8 and iron plate 7 or iron plate 9 can be made very large, thus reach the object that train model 3 and trailer 4 just can slow down by the shorter braking section distance of design.
In addition, mounting hole 81 on aluminium alloy plate 8 is designed to out-of-alignment two counterbores 82,83, the installation of permanent magnetic iron pole 84 can not only be facilitated, and abut against together to the intermediate adsorbent of aluminium alloy plate 8 due to two permanent magnetic iron poles 84, permanent magnetic iron pole 84 can also be avoided to move to a side end face and the situation that permanent magnetic iron pole 84 comes off out from mounting hole 81 occurs, thus guaranteeing the safety that uses and reliable.
Claims (4)
1. a High Speed Train Models experiment porch, comprise: experiment track and the carriage track be arranged in parallel with the suitable spacing of described experiment orbital spacing, experiment track is used for running train model, carriage track is for running the trailer that can push described train model and run, and described trailer is accelerated by a piston mechanism traction; Described experiment track comprises: accelerating sections, experimental section and braking section; It is characterized in that, described trailer is passing through trailer magnetic speed reducing device to described trailer service through described braking section, and described train model is being slowed down to described train model by train model magnetic speed reducing device through described braking section;
Described trailer magnetic speed reducing device comprises: two that set up at described braking section relative and the first iron plates of the suitable distance in interval and be arranged on and have certain thickness first aluminium alloy plate bottom described trailer, first aluminium alloy plate is clipped between two the first iron plates, the suitable distance of spacing of the first iron plate and the first aluminium alloy plate;
Offer the mounting hole of more than a group at the thickness direction of described first aluminium alloy plate, in mounting hole, be inlaid with permanent magnetic iron pole;
Described mounting hole comprises 2 in a thickness direction two distances of shaft centers that end face is inwardly offered by described first aluminium alloy plate from the counterbore of suitable spacing, and the polarity of the adjacent end face of the described permanent magnetic iron pole inlayed in 2 counterbores is different.
2. platform as claimed in claim 1, it is characterized in that, described train model magnetic speed reducing device comprises: the second iron plate arranged in the bottom of described braking section and the second aluminium alloy plate be arranged on bottom described train model, the second aluminium alloy plate is apart from the suitable distance of described second iron plate.
3. platform as claimed in claim 2, is characterized in that, offer the mounting hole of more than a group, in mounting hole, be inlaid with permanent magnetic iron pole at the thickness direction of described second aluminium alloy plate.
4. platform as claimed in claim 3, it is characterized in that, described mounting hole comprises 2 in a thickness direction two distances of shaft centers that end face is inwardly offered by described second aluminium alloy plate from the counterbore of suitable spacing, and the polarity of the adjacent end face of the described permanent magnetic iron pole inlayed in 2 counterbores is different.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210435081.9A CN102967474B (en) | 2012-11-05 | 2012-11-05 | A kind of High Speed Train Models experiment porch |
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| CN201210435081.9A CN102967474B (en) | 2012-11-05 | 2012-11-05 | A kind of High Speed Train Models experiment porch |
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| CN102967474B true CN102967474B (en) | 2015-10-07 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956175A (en) * | 2018-08-15 | 2018-12-07 | 中南大学 | Train moving die type tests air boosting catapult-launching gear and test method |
| CN109357836A (en) * | 2018-10-30 | 2019-02-19 | 河海大学 | A kind of vehicle-bridge system wind tunnel test Vehicular brake device and preparation method thereof |
| CN109556893B (en) * | 2018-11-20 | 2020-04-21 | 中国科学院力学研究所 | Method for enhancing magnetic damping brake of high-speed train dynamic model test platform |
| CN111735605B (en) * | 2020-08-05 | 2021-09-28 | 中南大学 | High-speed train dynamic model test system |
| CN111735606B (en) * | 2020-08-05 | 2021-08-17 | 中南大学 | High-speed train dynamic model test platform |
| CN112729760B (en) * | 2021-01-20 | 2021-10-19 | 中国科学院力学研究所 | Pneumatic lift and pneumatic resistance coefficient combined measurement method |
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| CN102494904A (en) * | 2011-12-05 | 2012-06-13 | 中国科学院力学研究所 | High-speed train model accelerating device driven based on compressed gas |
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| GB0223196D0 (en) * | 2002-10-07 | 2002-11-13 | Bombardier Transp Gmbh | Magnetic rail vehicle |
| DE102004018010B3 (en) * | 2004-04-14 | 2005-10-20 | Knorr Bremse Systeme | Magnetic rail braking device |
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| DE10009331A1 (en) * | 2000-02-28 | 2001-09-13 | Knorr Bremse Systeme | Magnetic brake esp. linear eddy-current brake for rail vehicle with at least one brake magnet which is arranged over suspension system at vehicle element and in direction of rail as well as movable away from this |
| CN201553160U (en) * | 2009-11-05 | 2010-08-18 | 江苏大学 | Permanent-magnetic track brake |
| CN102431571A (en) * | 2011-10-24 | 2012-05-02 | 南车株洲电力机车有限公司 | Connecting device of magnetic track brake and magnetic track brake apparatus |
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