CN103940571B - Pneumatic emission-type low noise rail vehicle real vehicle Impact Experimental System - Google Patents
Pneumatic emission-type low noise rail vehicle real vehicle Impact Experimental System Download PDFInfo
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Abstract
A kind of Pneumatic emission-type low noise rail vehicle real vehicle Impact Experimental System, described pilot system includes central control board, emitter, real vehicle and shock wall；Real vehicle is put on rail between emitter and shock wall；Emitter is the Pneumatic catapult of band acoustic filter, and including walking dolly, support, air accumulator 16, air compressor machine, hollow piston, trigger mechanism, cylinder sleeve and acoustic filter, hollow piston is rack-mount, and cylinder sleeve is arranged on walking dolly；The cross through hole communicated and radial direction through hole are set in the muffler body of acoustic filter；Shock speed measuring device and high-speed photography device are installed in the side clashing into wall；During bump test: the work of the dynamometry harvester of central control board programme-control emitter, shock speed measuring device, high-speed photography device and shock wall, receive and preserve related data；1.1 times of art skating distance at least emitter effective travel that real vehicle is unpowered；Real vehicle and the test stroke speed clashing into wall are not less than 25 kilometers per hour.
Description
Technical field
The present invention relates to a kind of Pneumatic emission-type low noise 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, develop Crashworthy raiway car-body with energy absorbing, be to alleviate train to clash into the important channel of Accidents Disasters loss, the inexorable trend that Ye Shi world railway bus body structure (including urban rail transit vehicles) develops.In track vehicle structure Study on Crashworthiness, real vehicle bump test is that one can truly reflect knockout process and irreplaceable research means.Full scale vehicle collision experiment must be relied on to carry out crashworthiness ink absorption speed exploitation.
Chinese Patent Application No. is 200610046823.3, entitled " automobile passive safety system collision experiment method " discloses techniques below scheme: " a kind of automobile passive safety system collision experiment method, can implement: in-vehicle camera and data collecting system are reinforced and installed to car body by (A) according to the following steps；(B) check and determine constrained system configuring condition；Check seat and record an angle for chess backrest, position and fixing situation；D () checks the accuracy of H point location；(E) basic status of seat belt is checked；(F) check that steering wheel and steering column are fixing the most firm；(G) the fixing the firmest, if there being balloonet, if fixation of instrument is checked；(H) face dummy coats greasepaint；(I) complete automobile collision is carried out ".
Chinese Patent Application No. is 01134940.9, entitled " ramp automobile collision experiment system and collision experiment method " discloses techniques below scheme: " a kind of ramp automobile collision experiment system, including: support, haulage cable, hoist engine and carrying roller composition traction guider；Its medium-height trestle is fixed on the top in ramp, support is provided with a hoist engine, and order installs another support, and this support is provided with carrying roller, a piece haulage cable is connected with hoist engine by carrying roller, and the haulage cable other end passes through the movable pulley on tractor further around going back to the top being connected to ramp；Or directly it is connected with traction positioning car；Dependence one hook and unhook relieving mechanism it is connected, it is achieved draw the connection between positioning car and laboratory vehicle and separate between traction positioning car and laboratory vehicle；The acceleration ramp having certain height difference includes horizontal transition section, curve transition and linear accelerating section；One end joint test section in ramp, test section arranges an observation tower being equipped with test equipment, and test section both sides is provided with revetment；The instrument of testing acceleration is installed " in laboratory vehicle.
Two kinds of technical schemes disclosed above, although they can be applied at automotive field, but they all can not be directly used on the striking experiment of rail vehicle.Its basic reason is the particularity of rail vehicle structure, and its volume is big, quality big, it is big to hit area, typically no less than 4 meters × 4 meters；The speed of the rail vehicle particularly run in high ferro is high, and during shock, energy level is high, it is impossible to directly uses for reference use, needs again to develop the full scale vehicle collision experimental system for rail vehicle.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, thering is provided a kind of is 40 ~ 80T's and stroke speed is 25 ~ 80km/h or higher rail vehicle real vehicle carries out bump test to quality, and collection drives, braking, central authorities control and test parameters is collected in the Pneumatic emission-type low noise rail vehicle real vehicle Impact Experimental System of one.
The purpose of the present invention is achieved by following technical proposals: described pilot system includes central control board, emitter, real vehicle and shock wall；In described central control board, special-purpose software is installed, electrically connects with the automatically controlled part of emitter and the dynamometry harvester of shock wall；
On ground between described emitter and shock wall, rail is set, rail is put real vehicle；
Described emitter is the Pneumatic catapult of band acoustic filter, including walking dolly, support, air accumulator, air compressor machine, hollow piston, trigger mechanism, cylinder sleeve and acoustic filter；The middle part of hollow piston is rack-mount；One end of hollow piston is connected with air accumulator, and air accumulator is connected with air compressor machine；The other end suit cylinder sleeve of hollow piston, cylinder sleeve is arranged on walking dolly, and walking dolly is placed on rail；Trigger mechanism is set between hollow piston and cylinder sleeve；Acoustic filter mainly includes muffler body, muffler body arranges cross through hole and radial direction through hole, cross through hole and radial direction through hole and communicates；Muffler body is fixed on cylinder sleeve and closes on one end of trigger mechanism, and the wall of the cylinder sleeve at this arranges the cylinder sleeve sound attenuation hole mated with radial direction through hole；Hollow piston is away from arranging the piston sound attenuation hole mated with cylinder sleeve sound attenuation hole on the wall of one end of trigger mechanism；Muffler body is positioned at the position of trigger mechanism and arranges breach；
The side of described shock wall or both sides are installed and are clashed into speed measuring device and high-speed photography device, clash into speed measuring device and high-speed photography device all electrically connects with central control board；
During bump test:
Described central control board is by programme-control emitter, the work of the dynamometry harvester clashing into speed measuring device, high-speed photography device and shock wall, and receives preservation related data；
Real vehicle is accelerated in effective travel by described emitter, 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 emitter effective travel；
Described real vehicle is set stroke speed 1-2 times with the test stroke speed clashed into when wall collides, and sets the stroke speed 20-40% as real vehicle operation speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour；
Analytical calculation, output test result is carried out after off-test.
Described shock wall includes 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 electrically connects and receives shock data with force cell array.
Described pilot system uses brake unit, speed governing brake unit joint and debugging speed measuring device when being arranged in debugging working condition；Described speed governing brake unit joint is fixed on real vehicle；Described debugging speed measuring device is arranged in the side of rail or both sides and electrically connects with central control board, and debugging speed measuring device is positioned at real vehicle and starts position during art skating.
Occupant area and deformable zone it is divided in the car body of described real vehicle, 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, before experiment, travel switch or the collision block often organized are separated by setpoint distance；In clashing into generating process, when the travel switch of a certain group and collision block contact, showing 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 setting interval arrangement sets width on the lateral surface of occupant area；In clashing into generating process, when central control board obtains some mark lines of occupant area width decrement shared in the capture area of high-speed photography device beyond setting value by high-speed photography device, the alarm in central control board starts to report to the police.
Compared with prior art, present invention have the advantage that structure is scientific and reasonable, operation is simple, the rail vehicle real vehicle of big quality (40 ~ 80T) and high stroke speed (25 ~ 80km/h or higher) can be carried out bump test, union drives, braking, central authorities control and test parameters is 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；
Fig. 3 is the A-A sectional structure enlarged diagram of Fig. 1；
Fig. 4 is the B-B sectional structure enlarged diagram of Fig. 1；
In figure: 1-central control board, 2-emitter, 3-real vehicle, 4-speed governing brake unit 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, 11-even power plate, 12-force cell array, 13-impact pier, 14-walking dolly, 15-support, 16-air accumulator, 17-air compressor machine, 18-hollow piston, 19-trigger mechanism, 20-cylinder sleeve, 21-muffler body, 22-cross through hole, 23-radial direction through hole, 24-cylinder sleeve sound attenuation hole, 25-breach, 26-piston sound attenuation hole.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Referring to the drawings, described pilot system includes central control board 1, emitter 2, real vehicle 3 and clashes into wall 10；In described central control board 1, special-purpose software is installed, electrically connects with the automatically controlled part of emitter 2 and the dynamometry harvester of shock wall 10；
On ground 7 between described emitter 2 and shock wall 10, rail 6 is set, rail 6 is put real vehicle 3；
Described emitter 2 is the Pneumatic catapult of band acoustic filter, including walking dolly 14, support 15, air accumulator 16, air compressor machine 17, hollow piston 18, trigger mechanism 19, cylinder sleeve 20 and acoustic filter；The middle part of hollow piston 18 is arranged on support 16；One end of hollow piston 18 is connected with air accumulator 16, and air accumulator 16 is connected with air compressor machine 17；The other end suit cylinder sleeve 20 of hollow piston 18, cylinder sleeve 20 is arranged on walking dolly 14, and walking dolly 14 is placed on rail 6；Trigger mechanism 19 is set between hollow piston 18 and cylinder sleeve 20；Acoustic filter mainly includes muffler body 21, muffler body 21 arranges cross through hole 22 and radial direction through hole 23, cross through hole 22 and radial direction through hole 23 and communicates；Muffler body 21 is fixed on cylinder sleeve 20 and closes on one end of trigger mechanism 19, and the wall of the cylinder sleeve 20 at this arranges the cylinder sleeve sound attenuation hole 24 mated with radial direction through hole 23；Hollow piston 18 is away from arranging the piston sound attenuation hole 26 mated with cylinder sleeve sound attenuation hole 24 on the wall of one end of trigger mechanism 19；Muffler body 21 is positioned at the position of trigger mechanism 19 and arranges breach 25；
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, clash into speed measuring device 8 and high-speed photography device 9 all electrically connects with central control board 1；
During bump test:
Described central control board 1 is by programme-control emitter 2, the work of the dynamometry harvester clashing into speed measuring device 8, high-speed photography device 9 and shock wall 10, and receives preservation related data；
Real vehicle 3 is accelerated in effective travel by described emitter 2, 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 emitter 2 effective travel；
Described real vehicle 3 is set stroke speed 1-2 times with the test stroke speed clashed into when wall 10 collides, and sets stroke speed and runs the 20-40% of speed per hour as real vehicle 3, and minimum test stroke speed is not less than 25 kilometers per hour；
Analytical calculation, output test result is carried out after off-test.
Described shock wall 10 includes 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 electrically connects and receives shock data with force cell array 12.
Described pilot system uses brake unit, speed governing brake unit joint 4 and debugging speed measuring device 5 when being arranged in debugging working condition；Described speed governing brake unit 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 electrically connects with central control board 1, and debugging speed measuring device 5 is positioned at real vehicle 3 and starts position during art skating.
It is divided into occupant area and deformable zone in the car body of described 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, corresponding collision block or travel switch are arranged on floor, before experiment, travel switch or the collision block often organized are separated by setpoint distance；In clashing into generating process, when the travel switch of a certain group and collision block contact, showing 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 setting interval arrangement sets width on the lateral surface of occupant area；In clashing into generating process, when central control board 1 obtains some mark lines of occupant area width decrement shared in the capture area of high-speed photography device 9 beyond setting value by high-speed photography device 9, 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-purpose software, uses prior art to design and produce, for control, data acquisition, analyzing and processing and the human computer conversation center of pilot system of the present invention.
Emitter 2: for the Pneumatic catapult of band acoustic filter, including walking dolly 14, support 15, air accumulator 16, air compressor machine 17, hollow piston 18, trigger mechanism 19, cylinder sleeve 20 and acoustic filter；The middle part of hollow piston 18 is arranged on support 15；One end of hollow piston 18 is connected with air accumulator 16, and air accumulator 16 is connected with air compressor machine 17；The other end suit cylinder sleeve 20 of hollow piston 18, cylinder sleeve 20 is arranged on walking dolly 14, and walking dolly 14 is placed on rail 6；Trigger mechanism 19 is set between hollow piston 18 and cylinder sleeve 20；Acoustic filter mainly includes muffler body 21, muffler body 21 arranges cross through hole 22 and radial direction through hole 23, cross through hole 22 and radial direction through hole 23 and communicates；Muffler body 21 is fixed on cylinder sleeve 20 and closes on one end of trigger mechanism 19, and the wall of the cylinder sleeve 20 at this arranges the cylinder sleeve sound attenuation hole 24 mated with radial direction through hole 23；Hollow piston 18 is away from arranging the piston sound attenuation hole 26 mated with cylinder sleeve sound attenuation hole 24 on the wall of one end of trigger mechanism 19；Muffler body 21 is positioned at the position of trigger mechanism 19 and arranges breach 25.
Real vehicle 3: the material object of tested vehicle, such as railcar, high ferro vehicle, common rail vehicle etc..
Speed governing brake unit joint 4: be arranged on the proper site on real vehicle 3, the initial velocity before debugging real vehicle 3 art skating, this initial velocity is by known Theoretical Calculation out.During debugging, speed governing brake unit joint 4 is connected with brake unit, should measure described initial velocity, goes back otherwise allows real vehicle 3 not knock shock wall 10；When formal test, speed governing brake unit joint 4 departs from brake unit.
Debugging speed measuring device 5 and shock speed measuring device 8: for photoelectrical velocity measure equipment, laser velocimeter device, radar velocity measurement device or photographic attachment.
Rail 6 and ground 7: conventional known technology designs and produces.
High-speed photography device 9: conventional known device.
Clash into wall 10: be mainly made up 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 electrically connects with force cell array 12, and receives the shock data of output when force cell array 12 is knocked.
Travel switch and collision block and alarm: conventional known product.
Test stroke speed: important affair first passes through Theoretical Calculation and determines, or determines according to per hour 25 kilometers.Then basically identical with test stroke speed by clashing into speed measuring device 8 practice examining.
Embodiment 1:
On ground 7 between emitter 2 and shock wall 10, rail 6 is set；Described real vehicle 3 is placed on rail 6, and real vehicle 3 clashes into one end of wall 10 dorsad installs emitter 2；Emitter 2 is the Pneumatic catapult of band acoustic filter, mainly includes walking dolly 14, support 15, air accumulator 16, air compressor machine 17, hollow piston 18, trigger mechanism 19, cylinder sleeve 20 and acoustic filter；The middle part of hollow piston 18 is arranged on support 15；One end of hollow piston 18 is connected with air accumulator 16, and air accumulator 16 is connected with air compressor machine 17；The other end suit cylinder sleeve 20 of hollow piston 18, cylinder sleeve 20 is arranged on walking dolly 14, and walking dolly 14 is placed on rail 6；Trigger mechanism 19 is set between hollow piston 18 and cylinder sleeve 20；Acoustic filter mainly includes muffler body 21, muffler body 21 arranges cross through hole 22 and radial direction through hole 23, cross through hole 22 and radial direction through hole 23 and communicates；Muffler body 21 is fixed on cylinder sleeve 20 and closes on one end of trigger mechanism 19, and the wall of the cylinder sleeve 20 at this arranges the cylinder sleeve sound attenuation hole 24 mated with radial direction through hole 23；Hollow piston 18 is away from arranging the piston sound attenuation hole 26 mated with cylinder sleeve sound attenuation hole 24 on the wall of one end of trigger mechanism 19；Muffler body 21 is positioned at the position of trigger mechanism 19 and arranges breach 25；Clash into the side of wall 10 to install and clash into speed measuring device 8 and high-speed photography device 9, clash into the perpendicular bisector of speed measuring device 8 and high-speed photography device 9 and be respectively positioned on and clash in the plane that wall 10 is constituted towards the end face of real vehicle 3 one end；Central control board 1 electrically connects with the dynamometry harvester of automatically controlled part, shock speed measuring device 8, high-speed photography device 9 and the shock wall 10 of emitter 2.
During bump test: central control board 1 is by programme-control emitter 2, the work of the dynamometry harvester clashing into speed measuring device 8, high-speed photography device 9 and shock wall 10, and receives preservation related data；Real vehicle 3 is accelerated in effective travel by emitter 2, 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 emitter 2 effective travel；Real vehicle 3 is set stroke speed 1-2 times with the test stroke speed clashed into when wall 10 collides, and sets stroke speed and runs the 20-40% of speed per hour as real vehicle 3, and minimum test stroke speed is not less than 25 kilometers per hour；Analytical calculation, output test result is carried out after off-test.
Embodiment 2:
Substantially the same manner as Example 1, except for the difference that clash into wall 10.Described shock wall 10 includes 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 electrically connects and receives shock data with force cell array 12.
Embodiment 3,4:
Respectively on the basis of embodiment 1,2, pilot system uses brake unit, speed governing brake unit joint 4 and debugging speed measuring device 5 when being arranged in debugging working condition；Described speed governing brake unit 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 electrically connects with central control board 1, and debugging speed measuring device 5 is positioned at real vehicle 3 and starts position during art skating.
Embodiment 5-8:
Respectively on the basis of embodiment 1-4, occupant area and deformable zone it 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, corresponding collision block or travel switch are arranged on floor, and before experiment, travel switch or the collision block often organized are separated by setpoint distance；In clashing into generating process, when the travel switch of a certain group and collision block contact, showing 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 setting interval arrangement sets width on the lateral surface of occupant area；In clashing into generating process, when central control board 1 obtains some mark lines of occupant area width decrement shared in the capture area of high-speed photography device 9 beyond setting value by high-speed photography device 9, the alarm in central control board 1 starts to report to the police.
The actual key applications of embodiment 1:
1, emitter 2 effective travel is 5 meters, a length of 26 meters of real vehicle 3, and quality is 60.5 tons, sets real vehicle 3 unpowered art skating distance as 10 meters.In other words, the range ability that real vehicle 3 is total is 15 meters.
2, real vehicle 3 is set for 25K type air conditioning generator car (quality is as 60.5 tons), the speed per hour that real vehicle 3 contacts and strikes when clashing into wall 10 is 25 kilometers per hour, art skating distance is 10 meters, can calculate the initial velocity started when sliding according to this vehicle datum drag computing formula and equation of train mot io n formula in turn and be 25.77 kilometers per hour.That is: this speed is the emitter 2 speed when running 5 meters after transmitting.
3, according to above parameter, the cross-sectional area of the dischargeable capacity between hollow piston 18 and the cylinder sleeve 20 of emitter 2 is 0.42 square metre, and the dischargeable capacity of supporting air accumulator 16 is 2500 liters；In the case of stroke is 5 meters, its effective emitted energy is about 1550. 1KJ.
4, emitter 2 is before transmission, and its cylinder sleeve 20 and real vehicle 3 are close together.
5, central control board 1 starts emitter 2 and works, after emitter 2 promotes real vehicle 3 to run 5 meters according to setting speed, after real vehicle 3 is the most unpowered art skating 10 meters with clash into wall 10 and bump against, the Aerodynamic data outfan clashing into wall 10 exports impact force data to central control board 1.In whole knockout process, clashing into speed measuring device 8 and shock data is sent to central control board 1 and preserves by high-speed photography device 9, experiment carries out analytical calculation after terminating.Output experimental result.
The actual key applications of embodiment 3:
Substantially identical with " the actual key applications of embodiment 1 " above, during except for the difference that many real vehicle 3 art skatings initial velocity detection operating mode.Operating mode is detected: the speed governing brake unit joint 4 of real vehicle 3 connects brake unit at initial velocity.Central control board 1 starts emitter 2 and debugging speed measuring device 5 works, and after emitter 2 promotes real vehicle 3 to run 5 meters according to setting speed, brake unit is started working, and real vehicle 3 must stop within sliding 10 meters completely, it is impossible to bump against with clashing into wall 10.Debugging speed measuring device 5 exports initial velocity data to central control board 1, if initial velocity disqualified upon inspection, again checks after adjusting the dynamics of emitter 2, until qualified.After the assay was approved, the speed governing brake unit joint 4 of real vehicle 3 departs from brake unit.Just can carry out formal bump test.
Art skating distance that real vehicle 3 is unpowered, not less than 1.1 times of the effective impulse stroke of emitter 2, can save floor occupying area according to practical situation.
Being configured with the Pneumatic catapult of acoustic filter, when the hollow piston 18 of Pneumatic catapult departs from cylinder sleeve 20, the explosion sound of Pneumatic catapult can significantly decrease.
Claims (5)
1. a Pneumatic emission-type low noise rail vehicle real vehicle Impact Experimental System, described pilot system includes central control board (1), emitter (2), real vehicle (3) and clashes into wall (10)；Described central control board is provided with special-purpose software in (1), electrically connects with the automatically controlled part of emitter (2) and the dynamometry harvester of shock wall (10)；It is characterized in that:
On ground (7) between described emitter (2) and shock wall (10), rail (6) is set, rail (6) is put real vehicle (3)；
Described emitter (2) is the Pneumatic catapult of band acoustic filter, including walking dolly (14), support (15), air accumulator (16), air compressor machine (17), hollow piston (18), trigger mechanism (19), cylinder sleeve (20) and acoustic filter；The middle part of hollow piston (18) is arranged on support (15)；One end of hollow piston (18) is connected with air accumulator (16), and air accumulator (16) is connected with air compressor machine (17)；Other end suit cylinder sleeve (20) of hollow piston (18), cylinder sleeve (20) is arranged on walking dolly (14), and walking dolly (14) is placed on rail (6)；Trigger mechanism (19) is set between hollow piston (18) and cylinder sleeve (20)；Acoustic filter mainly includes muffler body (21), muffler body (21) arranges cross through hole (22) and radial direction through hole (23), cross through hole (22) and radial direction through hole (23) and communicates；Muffler body (21) is fixed on cylinder sleeve (20) and closes on one end of trigger mechanism (19), and the wall of the cylinder sleeve (20) at this arranges the cylinder sleeve sound attenuation hole (24) mated with radial direction through hole (23)；Hollow piston (18) is away from arranging the piston sound attenuation hole (26) mated with cylinder sleeve sound attenuation hole (24) on the wall of one end of trigger mechanism (19)；Muffler body (21) is positioned at the position of trigger mechanism (19) and arranges breach (25)；
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), clash into speed measuring device (8) and high-speed photography device (9) all electrically connects with central control board (1)；
During bump test:
Described central control board (1) is by programme-control emitter (2), the work of the dynamometry harvester clashing into speed measuring device (8), high-speed photography device (9) and shock wall (10), and receives preservation related data；
Real vehicle (3) is accelerated in effective travel by described emitter (2), 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 emitter (2) effective travel；
Described real vehicle (3) is set stroke speed 1-2 times with the test stroke speed clashed into when wall (10) collides, and sets the stroke speed 20-40% as real vehicle (3) operation speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour；
Analytical calculation, output test result is carried out after off-test.
Pilot system the most according to claim 1, it is characterized in that: described shock wall (10) includes even power plate (11), dynamometry harvester and impact pier (13), 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) electrically connects and receives shock data with force cell array (12).
Pilot system the most according to claim 1 and 2, it is characterised in that: described pilot system uses brake unit, speed governing brake unit joint (4) and debugging speed measuring device (5) when being arranged in debugging working condition；Described speed governing brake unit 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 electrically connects with central control board (1), and debugging speed measuring device (5) is positioned at real vehicle (3) and starts position during art skating.
Pilot system the most according to claim 1 and 2, 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 experiment, travel switch or the collision block often organized are separated by setpoint distance；In clashing into generating process, when the travel switch of a certain group and collision block contact, showing that the degeneration of occupant area occurs, travel switch triggers the alarm work in central control board (1).
Pilot system the most according to claim 1 and 2, it is characterised in that: described real vehicle (3) is divided into occupant area and deformable zone, according to the vertical marker line setting interval arrangement sets width on the lateral surface of occupant area；In clashing into generating process, when central control board (1) obtains some mark lines of occupant area width decrement shared in the capture area of high-speed photography device (9) beyond setting value by high-speed photography device (9), the alarm in central control board (1) starts to report to the police.
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| JP7249806B2 (en) * | 2019-02-20 | 2023-03-31 | 三菱重工機械システム株式会社 | Automobile collision simulation test trolley, automobile collision simulation test device, and automobile collision simulation test method |
| CN112798440A (en) * | 2020-12-28 | 2021-05-14 | 中南大学 | High-speed impact penetration resistance performance testing device and testing method for honeycomb structure |
| CN113029608B (en) * | 2021-02-01 | 2022-09-13 | 中车青岛四方机车车辆股份有限公司 | Dynamic test system of magnetic track brake |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101430251A (en) * | 2008-12-25 | 2009-05-13 | 中南大学 | Vehicle component real object collision test method and tester |
| CN101430249A (en) * | 2008-12-25 | 2009-05-13 | 中南大学 | Vehicle component real object collision sequence image analysis method and its analysis system |
| JP2012100434A (en) * | 2010-11-02 | 2012-05-24 | Akebono Brake Ind Co Ltd | Abnormality diagnosis system for rolling stocks |
| CN102564778A (en) * | 2012-01-13 | 2012-07-11 | 西南交通大学 | Capsule type motor vehicle propelling collision experiment system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101430251A (en) * | 2008-12-25 | 2009-05-13 | 中南大学 | Vehicle component real object collision test method and tester |
| CN101430249A (en) * | 2008-12-25 | 2009-05-13 | 中南大学 | Vehicle component real object collision sequence image analysis method and its analysis system |
| JP2012100434A (en) * | 2010-11-02 | 2012-05-24 | Akebono Brake Ind Co Ltd | Abnormality diagnosis system for rolling stocks |
| CN102564778A (en) * | 2012-01-13 | 2012-07-11 | 西南交通大学 | Capsule type motor vehicle propelling collision experiment system |
Non-Patent Citations (1)
| Title |
|---|
| 车辆吸能部件的碰撞试验与数值仿真;谢素超等;《交通运输工程学报》;20080630;第8卷(第3期);第1-5页 * |
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