CN103940572B - Real vehicle collision test system of rail vehicles - Google Patents
Real vehicle collision test system of rail vehicles Download PDFInfo
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- CN103940572B CN103940572B CN201410195318.XA CN201410195318A CN103940572B CN 103940572 B CN103940572 B CN 103940572B CN 201410195318 A CN201410195318 A CN 201410195318A CN 103940572 B CN103940572 B CN 103940572B
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Abstract
A real vehicle collision test system of rail vehicles comprises a central control platform, a transmitter, a real vehicle and a collision wall; the real vehicle is placed on a rail which is arranged between the transmitter and the collision wall; the lateral side of the collision wall is provided with a collision speed measuring device and a high-speed photography device; in the collision test process, work of the transmitter, the collision speed measuring device, the high-speed photography device and a measured force collection device of the collision wall is controlled by a program of the central control platform and related data are received and stored; the real vehicle accelerates within the effective stroke through the transmitter, the real vehicle collides with the collision wall after a certain distance of unpowered free sliding, and the free sliding distance of the real vehicle is at least 1.1 times of the effective stroke of the transmitter; the test collision speed during the collision of the real vehicle and the collision wall is 1 to 2 times of the set collision speed, the set collision speed is 20 to 40 % of the real vehicle operating speed, and the lowest test collision speed is not less than 25 miles every hour; analytical calculation is performed after the test is achieved and a test result is output.
Description
Technical field
The present invention relates to a kind of rail vehicle real vehicle Impact Experimental System.
Background technology
Train collision accident serious threat occupant safety.For alleviating the loss that train collision accident causes, development Crashworthy raiway car-body with energy absorbing alleviates the important channel that train clashes into Accidents Disasters loss, the inexorable trend that Ye Shi world railway bus body structure (comprising urban rail transit vehicles) develops.In track vehicle structure Study on Crashworthiness, real vehicle impact test is that one truly can reflect knockout process and irreplaceable research means.Full scale vehicle collision must be relied on to test and to carry out the exploitation of crashworthiness ink absorption speed.
Chinese Patent Application No. is 200610046823.3, name is called that " automobile passive safety system collision experiment method " discloses following technical scheme: " a kind of automobile passive safety system collision experiment method, can implement: (A) reinforces car body and install in-vehicle camera and data acquisition system (DAS) according to the following steps; (B) check and determine constrained system configuring condition; Check seat and record the angle of seat chess backrest, position and fixing situation; D () checks the accuracy of H point location; (E) basic status of securing band is checked; (F) check whether firm bearing circle and steering column are fixed; (G) the fixing whether firm of instrument is checked, if there is balloonet, whether fixation; (H) greasepaint is coated at the face of dummy; (I) complete automobile collision is carried out ".
Chinese Patent Application No. is 01134940.9, name is called that " ramp automobile collision experiment system and collision experiment method " discloses following technical scheme: " a kind of ramp automobile collision experiment system, comprising: support, haulage cable, windlass and carrying roller composition traction guide piece; Its medium-height trestle is fixed on the top in ramp, support is provided with a windlass, and order installs another support, and this support is provided with carrying roller, a haulage cable is connected with windlass by carrying roller, the haulage cable other end by the travelling block on tractor again wraparound be connected to the top in ramp; Or be directly connected with traction positioning car; Traction positioning car and be connected dependence one draw hook and unhook releasing mechanism between laboratory vehicle, realizes traction positioning car and the connection between laboratory vehicle and is separated; The acceleration ramp of certain height difference is had to comprise horizontal transition section, curve transition and linear accelerating section; One end joint test section in ramp, test section is arranged the observation tower that is equipped with testing apparatus, test section both sides is provided with revetment; The instrument of testing acceleration is installed " in laboratory vehicle.
Disclosed two kinds of technical schemes above, although they can be applied at automotive field, they all can not be directly used on the striking experiment of rail vehicle.Its basic reason is the singularity of rail vehicle structure, and its volume is large, quality large, it is large to hit area, is generally not less than 4 meters × 4 meters; The speed of the rail vehicle particularly high ferro run is high, and during shock, energy level is high, directly cannot use for reference use, needs again to develop the full scale vehicle collision experimental system for rail vehicle.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, there is provided a kind of to quality be 40 ~ 80T be that 25 ~ 80km/h or higher rail vehicle real vehicle carry out impact test with stroke speed, the rail vehicle real vehicle Impact Experimental System that collection drives, braking, center-control and test parameters are collected in one.
Object of the present invention is achieved by following technical proposals: described pilot system comprises central control board, transmitter, real vehicle and shock wall; In described central control board, special software is installed, is electrically connected with the dynamometry harvester clashing into wall with the automatically controlled part of transmitter;
Ground between described transmitter and shock wall arranges rail, real vehicle put by rail;
The side of described shock wall or both sides are installed and are clashed into speed measuring device and high-speed photography device, and shock speed measuring device and high-speed photography device are all electrically connected with central control board;
In impact test process:
Described central control board by programmed control transmitter, the work of clashing into the dynamometry harvester of speed measuring device, high-speed photography device and shock wall, and receives preservation related data;
Described transmitter accelerates real vehicle in effective travel, and real vehicle collides with shock wall after the unpowered art skating of certain distance, and the distance of real vehicle art skating is at least 1.1 times of transmitter effective travel;
Described real vehicle and the test stroke speed clashed into when wall collides are 1-2 times that sets stroke speed, and setting stroke speed is the 20-40% of real vehicle operation speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour;
Analytical calculation is carried out, output test result after off-test.
Described shock wall comprises even power plate, dynamometry harvester and impact pier, and even power plate is towards real vehicle, and dynamometry harvester is between even power plate and impact pier; Described dynamometry harvester is force cell array; Described central control board is connected with force cell array electric and receives and clashes into data.
Described pilot system uses clamping device, speed governing clamping device joint and debugging speed measuring device when being configured in debugging working condition; Described speed governing clamping device joint is fixed on real vehicle; Described debugging speed measuring device is arranged in the side of rail or both sides and is electrically connected with central control board, and debugging speed measuring device is positioned at position when real vehicle starts art skating.
Occupant area and deformable zone is divided in the car body of described real vehicle, deformable zone is positioned at the two ends of occupant area, in occupant area, install some groups of travel switches and collision block, the travel switch often organized or collision block are arranged in side wall, and corresponding collision block or travel switch are arranged on floor; Before impact test, the travel switch often organized or collision block are separated by setpoint distance; In shock generating process, when the travel switch of a certain group and collision block contact, show that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board
Described real vehicle is divided into occupant area and deformable zone, according to the vertical marker line of setting interval arrangement sets width on the lateral surface of occupant area; In shock generating process, when central control board exceeds setting value by the width reduction that some mark lines of high-speed photography device acquisition occupant area are shared in the capture area of high-speed photography device, show that the degeneration of occupant area occurs, the alarm in central control board starts to report to the police.
Compared with prior art, the present invention has advantage: construct scientific and reasonable, operation is simple, impact test can be carried out to the rail vehicle real vehicle of large quality (40 ~ 80T) and high stroke speed (25 ~ 80km/h or higher), union drives, braking, center-control and test parameters be collected in one.
Accompanying drawing explanation
Fig. 1 is one embodiment of the invention structural representation;
Fig. 2 is Fig. 1 plan structure schematic diagram;
In figure: 1-central control board, 2-transmitter, 3-real vehicle, 4-speed governing clamping device joint, 5-debugs speed measuring device, 6-rail, 7-ground, 8-clashes into speed measuring device, 9-high-speed photography device, 10 clash into wall, the even power plate of 11-, 12-force cell array, 13-impact pier.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
With reference to accompanying drawing, described pilot system comprises central control board 1, transmitter 2, real vehicle 3 and clashes into wall 10; In described central control board 1, special software is installed, is electrically connected with the dynamometry harvester clashing into wall 10 with the automatically controlled part of transmitter 2;
Ground 7 between described transmitter 2 and shock wall 10 arranges rail 6, rail 6 is put real vehicle 3;
The side of described shock wall 10 or both sides are installed and are clashed into speed measuring device 8 and high-speed photography device 9, and shock speed measuring device 8 and high-speed photography device 9 are all electrically connected with central control board 1;
In impact test process:
Described central control board 1 by programmed control transmitter 2, the work of clashing into the dynamometry harvester of speed measuring device 8, high-speed photography device 9 and shock wall 10, and receives preservation related data;
Described transmitter 2 accelerates real vehicle 3 in effective travel, and real vehicle 3 collides with shock wall 10 after the unpowered art skating of certain distance, and the distance of real vehicle 3 art skating is at least 1.1 times of transmitter 2 effective travel;
Described real vehicle 3 and the test stroke speed clashed into when wall 10 collides are 1-2 times that sets stroke speed, and setting stroke speed is the 20-40% that real vehicle 3 runs speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour;
Analytical calculation is carried out, output test result after off-test.
Described shock wall 10 comprises even power plate 11, dynamometry harvester and impact pier 13, and even power plate 11 is towards real vehicle 3, and dynamometry harvester is between even power plate 11 and impact pier 13; Described dynamometry harvester is force cell array 12; Described central control board 1 is electrically connected with force cell array 12 and receives and clashes into data.
Described pilot system uses clamping device, speed governing clamping device joint 4 and debugging speed measuring device 5 when being configured in debugging working condition; Described speed governing clamping device joint 4 is fixed on real vehicle 3; Described debugging speed measuring device 5 is arranged in the side of rail 6 or both sides and is electrically connected with central control board 1, and debugging speed measuring device 5 is positioned at position when real vehicle 3 starts art skating.
Occupant area and deformable zone is divided in the car body of described real vehicle 3, deformable zone is positioned at the two ends of occupant area, in occupant area, install some groups of travel switches and collision block, the travel switch often organized or collision block are arranged in side wall, and corresponding collision block or travel switch are arranged on floor; Before impact test, the travel switch often organized or collision block are separated by setpoint distance; In shock generating process, when the travel switch of a certain group and collision block contact, show that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board 1
Described real vehicle 3 is divided into occupant area and deformable zone, according to the vertical marker line of setting interval arrangement sets width on the lateral surface of occupant area; In shock generating process, when the width reduction that some the mark lines that central control board 1 obtains occupant area by high-speed photography device 9 are shared in the capture area of high-speed photography device 9 exceeds setting value, show that the degeneration of occupant area occurs, the alarm in central control board 1 starts to report to the police.
In the examples below:
Central control board 1: be provided with special software, adopts prior art to design and produce, and is the control of pilot system of the present invention, data acquisition, analyzing and processing and man-machine conversation center.
Transmitter 2: the equipment and the product that adopt prior art.
Real vehicle 3: the material object of tested vehicle, as railcar, high ferro vehicle, common rail vehicle etc.
Speed governing clamping device joint 4: be arranged on the proper site on real vehicle 3, for debugging the initial velocity before real vehicle 3 art skating, this initial velocity by known theory calculate out.During debugging, speed governing clamping device joint 4 is connected with clamping device, should measure described initial velocity, goes back otherwise allows real vehicle 3 not knock shock wall 10; When official test, speed governing clamping device joint 4 and clamping device depart from.
Debugging speed measuring device 5 and shock speed measuring device 8: be photoelectrical velocity measure equipment, laser velocimeter device, radar velocity measurement device or camera.
Rail 6 and ground 7: conventional known technology designs and produces.
High-speed photography device 9: conventional known device.
Clash into wall 10: form primarily of even power plate 11, force cell array 12 and impact pier 13; Force cell array 12 is between even power plate 11 and impact pier 13, and even power plate 11 is towards real vehicle 3; Central control board 1 is electrically connected with force cell array 12, and receives the shock data exported when force cell array 12 is knocked.
Travel switch and collision block and alarm: conventional known product.
Test stroke speed: to be determined by theory calculate in advance, or determine according to 25 kilometers per hour.Then basically identical with test stroke speed by clashing into speed measuring device 8 practice examining.
Embodiment 1:
Ground 7 between transmitter 2 and shock wall 10 arranges rail 6; Real vehicle 3 is placed on rail 6, and transmitter 2 is installed in one end that real vehicle 3 clashes into wall 10 dorsad; The both sides of clashing into wall 10 are installed and are clashed into speed measuring device 8 and high-speed photography device 9, and the perpendicular bisector clashing into speed measuring device 8 and high-speed photography device 9 is all positioned at the plane of clashing into wall 10 and forming towards the end face of real vehicle 3 one end; The automatically controlled part of central control board 1 and transmitter 2, the dynamometry harvester clashing into speed measuring device 8, high-speed photography device 9 and clash into wall 10 are electrically connected.
In impact test process: central control board 1 by programmed control transmitter 2, the work of clashing into the dynamometry harvester of speed measuring device 8, high-speed photography device 9 and shock wall 10, and receives preservation related data; Transmitter 2 accelerates real vehicle 3 in effective travel, and real vehicle 3 collides with shock wall 10 after the unpowered art skating of certain distance, and the distance of real vehicle 3 art skating is at least 1.1 times of transmitter 2 effective travel; Real vehicle 3 and the test stroke speed clashed into when wall 10 collides are 1-2 times that sets stroke speed, and setting stroke speed is the 20-40% that real vehicle 3 runs speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour; Analytical calculation is carried out, output test result after off-test.
Embodiment 2:
Substantially the same manner as Example 1, unlike shock wall 10.Described shock wall 10 comprises even power plate 11, dynamometry harvester and impact pier 13, and even power plate 11 is towards real vehicle 3, and dynamometry harvester is between even power plate 11 and impact pier 13; Dynamometry harvester is force cell array 12; Central control board 1 is electrically connected with force cell array 12 and receives and clashes into data.
Embodiment 3,4:
Respectively on the basis of embodiment 1,2, when described pilot system is configured in debugging working condition, use clamping device, speed governing clamping device joint 4 and debugging speed measuring device 5; Speed governing clamping device joint 4 is fixed on real vehicle 3; Debugging speed measuring device 5 is arranged in the side of rail 6 or both sides and is electrically connected with central control board 1, and debugging speed measuring device 5 is positioned at position when real vehicle 3 starts art skating.
Embodiment 5-8:
Respectively on the basis of embodiment 1-4, occupant area and deformable zone is divided in the car body of real vehicle 3, deformable zone is positioned at the two ends of occupant area, some groups of travel switches and collision block are installed in occupant area, the travel switch often organized or collision block are arranged in side wall, and corresponding collision block or travel switch are arranged on floor; Before impact test, the travel switch often organized or collision block are separated by setpoint distance; In shock generating process, when the travel switch of a certain group and collision block contact, show that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board 1.
Embodiment 9-12:
Respectively on the basis of embodiment 1-4, real vehicle 3 is divided into occupant area and deformable zone, according to the vertical marker line of setting interval arrangement sets width on the lateral surface of occupant area; In shock generating process, when the width reduction that some the mark lines that central control board 1 obtains occupant area by high-speed photography device 9 are shared in the capture area of high-speed photography device 9 exceeds setting value, show that the degeneration of occupant area occurs, the alarm in central control board 1 starts to report to the police.
The practical application main points of embodiment 1:
1, transmitter 2 effective travel is 5 meters, and real vehicle 3 length is 26 meters, and quality is 60.5 tons, and the unpowered art skating distance of setting real vehicle 3 is 10 meters.In other words, the range ability that real vehicle 3 is total is 15 meters.
2, setting real vehicle 3 is 25K type air conditioning generator car (quality is 60.5 tons), real vehicle 3 contacts and the speed per hour struck when clashing into wall 10 is 25 kilometers per hour, art skating distance is 10 meters, and can calculate according to this vehicle datum drag computing formula and equation of train mot io n formula the initial velocity started when sliding conversely is 25.77 kilometers per hour.That is: this speed is the speed when transmitter 2 range 5 meters.
3, according to above parameter, the required emitted energy calculating transmitter 2 is 1550. 1KJ.
4, transmitter 2 and real vehicle 3 are close together.
5, central control board 1 starts transmitter 2 and works, after transmitter 2 runs 5 meters according to setting speed promotion real vehicle 3, real vehicle 3 bumps against with shock wall 10 after unpowered art skating 10 meters again, and the Aerodynamic data output terminal clashing into wall 10 exports impact data to central control board 1.In whole knockout process, shock data sends to central control board 1 to preserve by shock speed measuring device 8 and high-speed photography device 9, carries out analytical calculation, output test result after off-test.
The practical application main points of embodiment 3:
Substantially identical with " the practical application main points of embodiment 1 " above, detect operating mode unlike initial velocity during many real vehicle 3 art skatings.Operating mode is detected: the speed governing clamping device joint 4 of real vehicle 3 connects clamping device at initial velocity.Central control board 1 starts transmitter 2 and debugging speed measuring device 5 works, and after transmitter 2 runs 5 meters according to setting speed promotion real vehicle 3, clamping device is started working, and real vehicle 3 must stop completely within sliding 10 meters, can not bump against with shock wall 10.Debugging speed measuring device 5 exports initial velocity data to central control board 1, if initial velocity disqualified upon inspection, again checks, until qualified after the dynamics of adjustment transmitter 2.After the assay was approved, the speed governing clamping device joint 4 of real vehicle 3 departs from clamping device.Just formal impact test can be carried out.
Art skating distance that real vehicle 3 is unpowered is not less than 1.1 times of the effective impulse stroke of transmitter 2, can save floor occupying area according to actual conditions.
Claims (3)
1. a rail vehicle real vehicle Impact Experimental System, described pilot system comprises central control board (1), transmitter (2), real vehicle (3) and clashes into wall (10); Described central control board is provided with special software in (1), is electrically connected with the dynamometry harvester clashing into wall (10) with the automatically controlled part of transmitter (2);
Ground (7) between described transmitter (2) and shock wall (10) arranges rail (6), rail (6) is put real vehicle (3);
The side of described shock wall (10) or both sides are installed and are clashed into speed measuring device (8) and high-speed photography device (9), and shock speed measuring device (8) and high-speed photography device (9) are all electrically connected with central control board (1);
In impact test process:
Described central control board (1) by programmed control transmitter (2), the work of clashing into the dynamometry harvester of speed measuring device (8), high-speed photography device (9) and shock wall (10), and receives preservation related data;
Described transmitter (2) accelerates real vehicle (3) in effective travel, real vehicle (3) collides with shock wall (10) after the unpowered art skating of certain distance, and the distance of real vehicle (3) art skating is at least 1.1 times of transmitter (2) effective travel;
Described real vehicle (3) and the test stroke speed clashed into when wall (10) collides are 1-2 times that sets stroke speed, and setting stroke speed is the 20-40% of real vehicle (3) operation speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour;
Analytical calculation is carried out, output test result after off-test;
Described shock wall (10) comprises even power plate (11), dynamometry harvester and impact pier (13), and even power plate (11) is towards real vehicle (3), and dynamometry harvester is positioned between even power plate (11) and impact pier (13); Described dynamometry harvester is force cell array (12); Described central control board (1) is electrically connected with force cell array (12) and receives and clashes into data;
It is characterized in that: when described pilot system is configured in debugging working condition, use clamping device, speed governing clamping device joint (4) and debugging speed measuring device (5); Described speed governing clamping device joint (4) is fixed on real vehicle (3); Described debugging speed measuring device (5) is arranged in the side of rail (6) or both sides and is electrically connected with central control board (1), and debugging speed measuring device (5) is positioned at position when real vehicle (3) starts art skating.
2. pilot system according to claim 1, it is characterized in that: in the car body of described real vehicle (3), be divided into occupant area and deformable zone, deformable zone is positioned at the two ends of occupant area, some groups of travel switches and collision block are installed in occupant area, the travel switch often organized or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, and before impact test, the travel switch often organized or collision block are separated by setpoint distance; In shock generating process, when the travel switch of a certain group and collision block contact, show that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board (1).
3. pilot system according to claim 1, is characterized in that: described real vehicle (3) is divided into occupant area and deformable zone, according to the vertical marker line of setting interval arrangement sets width on the lateral surface of occupant area; In shock generating process, when central control board (1) exceeds setting value by the width reduction that some mark lines of high-speed photography device (9) acquisition occupant area are shared in the capture area of high-speed photography device (9), show that the degeneration of occupant area occurs, the alarm in central control board (1) starts to report to the police.
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| CN201410195318.XA CN103940572B (en) | 2014-05-09 | 2014-05-09 | Real vehicle collision test system of rail vehicles |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206095570U (en) * | 2016-02-01 | 2017-04-12 | 西南交通大学 | Train striking model test equipment |
| CN106198066B (en) * | 2016-09-28 | 2019-02-26 | 中车株洲电力机车有限公司 | A kind of track train collision test method and system |
| CN106501013A (en) * | 2016-12-28 | 2017-03-15 | 中南大学 | A kind of equivalent scale model collision test device of train and method |
| CN108507806B (en) * | 2018-03-14 | 2019-09-20 | 中南大学 | Train occupant's secondary collision pilot system and method |
| CN110132607A (en) * | 2019-04-03 | 2019-08-16 | 中车长春轨道客车股份有限公司 | A method of non-cpntact measurement is carried out for rail vehicle collision using high-speed camera |
| CN112179684A (en) * | 2019-07-05 | 2021-01-05 | 中车长春轨道客车股份有限公司 | Rail vehicle collision test system |
| CN110849635A (en) * | 2019-11-22 | 2020-02-28 | 南京智能仿真技术研究院有限公司 | Automobile collision simulator for automobile manufacturing industry |
| CN111189653B (en) * | 2020-01-10 | 2021-12-14 | 中南大学 | Speed measuring, positioning and triggering device for rail vehicle collision test |
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