CN103940622A - Pressure friction plate braking type real rail vehicle bump testing system - Google Patents
Pressure friction plate braking type real rail vehicle bump testing system Download PDFInfo
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- CN103940622A CN103940622A CN201410195040.6A CN201410195040A CN103940622A CN 103940622 A CN103940622 A CN 103940622A CN 201410195040 A CN201410195040 A CN 201410195040A CN 103940622 A CN103940622 A CN 103940622A
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Abstract
Disclosed is a pressure friction plate braking type real rail vehicle bump testing system. The pressure friction plate braking type real rail vehicle bump testing system comprises a central control panel, a launcher, a real vehicle and a bump wall. The real vehicle is arranged on the steel rails between the launcher and the bump wall; the side surface of the bump wall is provided with a bump speed measuring device and a high-speed photographing device. A braking device, a speed regulation braking device joint and a testing speed measuring device are configured and used during working condition testing; the braking device is of a pressure friction plate type structure and comprises wedge friction plates, a friction bottom plate, a friction cavity, a pressure unit and steel cables, wherein the pressure unit is a hydraulic, pneumatic, electromagnetic or mechanical adjustable pressure unit. During bump testing, the central control panel controls the working of the launcher, the bump speed measuring device, the high-speed photographing device, and a force measurement collecting device of the bump wall through programs, and receives and stores associated data; the powerless free sliding distance of the real vehicle is at least 0.1 time larger than the effective travel of the launcher; the testing bump speed between the real vehicle and the bump wall is not smaller than 25 kilometers per hour.
Description
Technical field
The present invention relates to a kind of pressure friction plate brake type rail vehicle real vehicle Impact Experimental System.
Background technology
Train collision accident serious threat occupant safety.The loss causing for alleviating train collision accident, development Crashworthy raiway car-body with energy absorbing, is to alleviate train to clash into the important channel that Accidents Disasters loses, the inexorable trend of Ye Shi world railway bus body structure (comprising urban rail transit vehicles) development.In track vehicle structure Study on Crashworthiness, real vehicle impact test is that one can truly reflect knockout process and irreplaceable research means.Must rely on full scale vehicle collision experiment to carry out crashworthiness energy-absorbing body development.
Chinese Patent Application No. is 200610046823.3, name is called " automobile passive safety system collision experiment method " and discloses following technical scheme: " a kind of automobile passive safety system collision experiment method, can implement: (A) car body is reinforced and installed in-vehicle camera and data acquisition system (DAS) according to the following steps; (B) inspection and definite constrained system configuring condition; Check angle, position and the fixation case of seat record seat chess backrest; (d) accuracy of inspection H point location; (E) basic status of inspection securing band; (F) check whether bearing circle and steering column be fixing firm; (G) check the fixing whether firm of instrument, if there is balloonet, whether fixation; (H) coat greasepaint at dummy's face; (I) carry out car load collision ".
Chinese Patent Application No. is 01134940.9, name is called " ramp automobile collision experiment system and collision experiment method " and 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 is installed 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; Between traction positioning car and laboratory vehicle, is connected and relies on a draw hook and unhook releasing mechanism, realize the connection of drawing between positioning car and laboratory vehicle and separate; There is the acceleration ramp of certain height difference to comprise horizontal transition section, curve transition and linear accelerating section; One end joint test section in ramp, arranges an observation tower that is equipped with testing apparatus on test section, 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 directly use 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 moving in high ferro is high, and when shock, energy level is high, cannot directly use for reference use, need to again 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, one is provided is 40 ~ 80T to quality with stroke speed is that 25 ~ 80km/h or higher rail vehicle real vehicle carry out impact test, and collection driving, braking, center-control and test parameters are collected in the pressure friction plate brake type rail vehicle real vehicle Impact Experimental System of 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 automatically controlled part of transmitter and the dynamometry harvester of shock wall;
On ground between described transmitter and shock wall, rail is set, on rail, puts real vehicle;
One 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 and are all electrically connected with central control board;
Described pilot system is used clamping device, speed governing clamping device joint and debugging speed measuring device while 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 a side or the both sides of rail and is electrically connected with central control board, position when debugging speed measuring device is positioned at real vehicle and starts art skating;
Described clamping device is pressure friction plank frame, comprise wedge-type friction plate, friction base plate, friction cavity, pressure apparatus and wire rope that pressure can be adjusted and control, wedge-type friction plate is that wedge plank frame is sleeved in friction cavity, several pressure apparatus are installed in the top of friction cavity, the pressure head of pressure apparatus is pressed in the top of wedge-type friction plate, one end of wire rope is arranged on microcephaly one end of wedge-type friction plate, other one end of wire rope is connected on one end of wire rope in the time that operating mode is tested the speed in debugging, clamping device duration of work, in the time that the direction of motion of wire rope is contrary with the direction of motion of real vehicle, fixed pulley is set in the middle of wire rope, the decorative pattern that can increase friction force is all set on the workplace of the pressure head of wedge-type friction plate, friction base plate and pressure apparatus,
In impact test process:
Described central control board is by the work of the dynamometry harvester of programmed control transmitter, shock speed measuring device, high-speed photography device and shock wall, and related data is preserved in reception;
Described transmitter accelerates real vehicle in effective travel, and real vehicle bumps with clashing into 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;
Test stroke speed when described real vehicle bumps with shock wall is 1-2 times of setting 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;
After off-test, carry out analytical calculation, output test result.
Described pressure apparatus is fluid pressure type, vapour-pressure type, electromagnetic type or mechanical pressure apparatus.
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 be connected with force cell array electric and receive clash into data.
In the car body of described real vehicle, 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 of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that 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, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; In shock generating process, in the time that central control board obtains some mark lines of occupant area shared width reduction exceeds setting value in the capture area of high-speed photography device by high-speed photography device, the degeneration that shows occupant area occurs, and 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, can carry out impact test to the rail vehicle real vehicle of large quality (40 ~ 80T) and high stroke speed (25 ~ 80km/h or higher), union driving, braking, center-control and test parameters are collected in one.
Brief description of the drawings
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 rotational structure enlarged diagram of Fig. 2;
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, and 10 clash into wall, the even power plate of 11-, 12-force cell array, 13-impact pier, 14-wedge-type friction plate, the 15-base plate that rubs, the 16-cavity that rubs, 17-pressure apparatus, 18-wire rope, 19-fixed pulley.
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 automatically controlled part of transmitter 2 and the dynamometry harvester of shock wall 10;
On ground 7 between described transmitter 2 and shock wall 10, rail 6 is set, on rail 6, puts real vehicle 3;
One 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 and are all electrically connected with central control board 1;
Described pilot system is used clamping device, speed governing clamping device joint 4 and debugging speed measuring device 5 while 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 a side or the both sides of rail 6 and is electrically connected with central control board 1, position when debugging speed measuring device 5 is positioned at real vehicle 3 and starts art skating;
Described clamping device is pressure friction plank frame, comprise wedge-type friction plate 14, friction base plate 15, friction cavity 16, the pressure apparatus 17 that pressure can be adjusted and control and wire rope 18, wedge-type friction plate 14 rubs in cavity 16 for wedge plank frame is sleeved on, several pressure apparatus 17 are installed in the top of friction cavity 16, the pressure head of pressure apparatus 17 is pressed in the top of wedge-type friction plate 14, one end of wire rope 18 is arranged on microcephaly one end of wedge-type friction plate 14, other one end of wire rope 18 is connected on one end of wire rope 18 in the time that operating mode is tested the speed in debugging, clamping device duration of work, in the time that the direction of motion of wire rope 18 is contrary with the direction of motion of real vehicle 3, fixed pulley 19 is set in the middle of wire rope 18, the decorative pattern that can increase friction force is all set on the workplace of the pressure head of wedge-type friction plate 14, friction base plate 15 and pressure apparatus 17,
In impact test process:
Described central control board 1 is by the work of the dynamometry harvester of programmed control transmitter 2, shock speed measuring device 8, high-speed photography device 9 and shock wall 10, and related data is preserved in reception;
Described transmitter 2 accelerates real vehicle 3 in effective travel, and real vehicle 3 bumps with clashing into wall 10 after the unpowered art skating of certain distance, and the distance of real vehicle 3 art skatings is at least 1.1 times of transmitter 2 effective travels;
Test stroke speed when described real vehicle 3 bumps with shock wall 10 is 1-2 times of setting stroke speed, and setting stroke speed is the 20-40% that real vehicle 3 is runed speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour;
After off-test, carry out analytical calculation, output test result.
Described pressure apparatus 17 is fluid pressure type, vapour-pressure type, electromagnetic type or mechanical pressure apparatus.
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 and receives shock data with force cell array 12.
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 of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that 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, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; In shock generating process, in the time that central control board 1 obtains some mark lines of occupant area shared width reduction exceeds setting value in the capture area of high-speed photography device 9 by high-speed photography device 9, the degeneration that shows occupant area occurs, and the alarm in central control board 1 starts to report to the police.
In following examples:
Central control board 1: special software being installed, adopting prior art to design and produce, is control, data acquisition, analyzing and processing and the man-machine conversation center of pilot system of the present invention.
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 skatings, this initial velocity calculates by known theory.When 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; In the time of official test, speed governing clamping device joint 4 departs from clamping device.
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 equipment.
Clamping device: be connected use with speed governing clamping device joint 4 in the time of debugging working condition.Clamping device is pressure friction plank frame, comprise wedge-type friction plate 14, friction base plate 15, friction cavity 16, the pressure apparatus 17 that pressure can be adjusted and control and wire rope 18, wedge-type friction plate 14 rubs in cavity 16 for wedge plank frame is sleeved on, several pressure apparatus 17 are installed in the top of friction cavity 16, the pressure head of pressure apparatus 17 is pressed in the top of wedge-type friction plate 14, one end of wire rope 18 is arranged on microcephaly one end of wedge-type friction plate 14, other one end of wire rope 18 is connected on one end of wire rope 18 in the time that operating mode is tested the speed in debugging, clamping device duration of work, in the time that the direction of motion of wire rope 18 is contrary with the direction of motion of real vehicle 3, fixed pulley 19 is set in the middle of wire rope 18, the decorative pattern that can increase friction force is all set on the workplace of the pressure head of wedge-type friction plate 14, friction base plate 15 and pressure apparatus 17.
Clash into wall 10: mainly formed by 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 the shock data of output when receiving force cell array 12 and being knocked.
Travel switch and collision block and alarm: conventional known product.
Test stroke speed: pass through in advance theoretical calculative determination, 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:
On ground 7 between transmitter 2 and shock wall 10, rail 6 is set, real vehicle 3 is placed on rail 6, and real vehicle 3 clashes into one end installation transmitter 2 of wall 10 dorsad, shock speed measuring device 8 and high-speed photography device 9 are installed in the both sides of clashing into wall 10, and the perpendicular bisector that clashes into speed measuring device 8 and high-speed photography device 9 is all positioned at and clashes into the plane that wall 10 forms towards the end face of real vehicle 3 one end, the automatically controlled part of central control board 1 and transmitter 2, clash into speed measuring device 8, the dynamometry harvester and the high-speed photography device 9 that clash into wall 10 be electrically connected, the speed governing clamping device joint 4 that real vehicle 3 uses while being configured in debugging working condition, clamping device joint 4 can connect clamping device, simultaneously at a side or the both sides Installation and Debugging speed measuring device 5 of rail 6, the perpendicular bisector of debugging speed measuring device 5 is all positioned at real vehicle 3 residing xsect while starting art skating, clamping device is pressure friction plank frame, comprise wedge-type friction plate 14, friction base plate 15, friction cavity 16, the pressure apparatus 17 that pressure can be adjusted and control and wire rope 18, wedge-type friction plate 14 rubs in cavity 16 for wedge plank frame is sleeved on, several pressure apparatus 17 are installed in the top of friction cavity 16, the pressure head of pressure apparatus 17 is pressed in the top of wedge-type friction plate 14, one end of wire rope 18 is arranged on microcephaly one end of wedge-type friction plate 14, other one end of wire rope 18 is connected on one end of wire rope 18 in the time that operating mode is tested the speed in debugging, clamping device duration of work, in the time that the direction of motion of wire rope 18 is contrary with the direction of motion of real vehicle 3, fixed pulley 19 is set in the middle of wire rope 18, the decorative pattern that can increase friction force is all set on the workplace of the pressure head of wedge-type friction plate 14, friction base plate 15 and pressure apparatus 17.
In impact test process:
Described central control board 1 is by the work of the dynamometry harvester of programmed control transmitter 2, shock speed measuring device 8, high-speed photography device 9 and shock wall 10, and related data is preserved in reception;
Described transmitter 2 accelerates real vehicle 3 in effective travel, and real vehicle 3 bumps with clashing into wall 10 after the unpowered art skating of certain distance, and the distance of real vehicle 3 art skatings is at least 1.1 times of transmitter 2 effective travels;
Test stroke speed when described real vehicle 3 bumps with shock wall 10 is 1-2 times of setting stroke speed, and setting stroke speed is the 20-40% that real vehicle 3 is runed speed per hour, and minimum test stroke speed is not less than 25 kilometers per hour;
After off-test, carry out analytical calculation, output test result.
Embodiment 2:
Substantially the same manner as Example 1, different is pressure apparatus 17: the pressure apparatus that pressure apparatus 17 is fluid pressure type.
Embodiment 3,4:
Basic identical with embodiment 1,2 respectively, different is to clash into wall 10: clash into wall 10 and comprise even power plate 11, dynamometry harvester and impact pier 13, 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 and receives shock data with force cell array 12.
Embodiment 5-8:
Basic identical, different with embodiment 1,2 respectively: described shock speed measuring device 8 and debugging speed measuring device 5 are photoelectrical velocity measure equipment, laser velocimeter device, radar velocity measurement device or camera.
Embodiment 9-16:
Respectively on the basis of embodiment 1-8, in the car body of 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 of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, and the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that 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 17-24:
On the basis of embodiment 1-8, real vehicle 3 is divided into occupant area and deformable zone respectively, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; In shock generating process, in the time that central control board 1 obtains some mark lines of occupant area shared width reduction exceeds setting value in the capture area of high-speed photography device 9 by high-speed photography device 9, the degeneration that shows occupant area occurs, and 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 travels are 5 meters, and real vehicle 3 length are 26 meters, and quality is 60.5 tons, and setting the unpowered art skating distance of real vehicle 3 is 10 meters.In other words, the total range ability of real vehicle 3 is 15 meters.
2, set real vehicle 3 for 25K type air conditioning generator car (quality is 60.5 tons), the speed per hour that real vehicle 3 contacts and strikes while clashing into wall 10 is 25 kilometers per hour, art skating distance is 10 meters, and the initial velocity that can calculate conversely while starting to slide according to this vehicle datum drag computing formula and equation of train mot io n formula is 25.77 kilometers per hour.That is: this speed is the speed in the time of 5 meters of transmitter 2 ranges.
3, according to above parameter, the required effective emitted energy that calculates transmitter 2 is 1550. 1KJ.
4, transmitter 2 and real vehicle 3 are close together.
5, two kinds of operating modes: speed debugging working condition and official test operating mode.
1) speed debugging working condition:
(1) clamping device joint 4 can connect clamping device:
(2) central control board 1 starts after transmitter 2 work, transmitter 2 promotes real vehicle 3 and moves after 5 meters, clamping device starts to work, real vehicle 3 can stop completely in 10 meters of unpowered art skatings, contact impact wall 10 not completely, and high-speed photography device 9 obtains the speed of real vehicle 3 in the time of art skating, if meet to set and require just to enter official test operating mode, otherwise, will adjust the emissivity size of transmitter 2, repetition test is until satisfied.
2) official test operating mode:
Clamping device joint 4 departs from clamping device, central control board 1 starts after transmitter 2 work, transmitter 2 promotes real vehicle 3 according to setting speed and moves after 5 meters, after 10 meters of real vehicle 3 is unpowered art skatings with clash into wall 10 and bump against, the Aerodynamic data output terminal that clashes into wall 10 is exported impact data to central control board 1.In whole knockout process, clash into speed measuring device 8 and high-speed photography device 9 and send to central control board 1 to preserve shock data, after finishing, experiment carries out analytical calculation, output experimental result.
Art skating distance that real vehicle 3 is unpowered is not less than 1.1 times of transmitter 2 effective impulse strokes, can save floor occupying area according to actual conditions.
Claims (7)
1. a pressure friction plate brake type 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 automatically controlled part of transmitter (2) and the dynamometry harvester of shock wall (10); It is characterized in that:
On ground (7) between described transmitter (2) and shock wall (10), rail (6) is set, on rail (6), puts real vehicle (3);
One 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) and are all electrically connected with central control board (1);
Described pilot system is used clamping device, speed governing clamping device joint (4) and debugging speed measuring device (5) while 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 a side or the both sides of rail (6) and is electrically connected with central control board (1), position when debugging speed measuring device (5) is positioned at real vehicle (3) beginning art skating;
Described clamping device is pressure friction plank frame, comprise wedge-type friction plate (14), friction base plate (15), friction cavity (16), the pressure apparatus (17) that pressure can be adjusted and control and wire rope (18), wedge-type friction plate (14) rubs in cavity (16) for wedge plank frame is sleeved on, several pressure apparatus (17) are installed in the top of friction cavity (16), the pressure head of pressure apparatus (17) is pressed in the top of wedge-type friction plate (14), one end of wire rope (18) is arranged on microcephaly one end of wedge-type friction plate (14), other one end of wire rope (18) is connected on one end of wire rope (18) in the time that operating mode is tested the speed in debugging, clamping device duration of work, in the time that the direction of motion of wire rope (18) is contrary with the direction of motion of real vehicle (3), fixed pulley (19) is set in the middle of wire rope (18), the decorative pattern that can increase friction force is all set on the workplace of the pressure head of wedge-type friction plate (14), friction base plate (15) and pressure apparatus (17),
In impact test process:
Described central control board (1) is by the work of the dynamometry harvester of programmed control transmitter (2), shock speed measuring device (8), high-speed photography device (9) and shock wall (10), and related data is preserved in reception;
Described transmitter (2) accelerates real vehicle (3) in effective travel, real vehicle (3) bumps with clashing into 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;
Test stroke speed when described real vehicle (3) bumps with shock wall (10) is 1-2 times of setting 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;
After off-test, carry out analytical calculation, output test result.
2. pilot system according to claim 1, is characterized in that: described pressure apparatus (17) is fluid pressure type, vapour-pressure type, electromagnetic type or mechanical pressure apparatus.
3. pilot system according to claim 1 and 2, it is characterized in that: described shock wall (10) comprises 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) is electrically connected and receives shock data with force cell array (12).
4. pilot system 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 of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, and the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that 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).
5. pilot system according to claim 3, 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 of every group or collision block are arranged in side wall, corresponding collision block or travel switch are arranged on floor, before experiment, and the travel switch of every group or the collision block setpoint distance of being separated by; Clashing in generating process, in the time that 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).
6. pilot system according to claim 1 and 2, is characterized in that: described real vehicle (3) is divided into occupant area and deformable zone, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; In shock generating process, in the time that central control board (1) obtains some mark lines of occupant area shared width reduction exceeds setting value in the capture area of high-speed photography device (9) by high-speed photography device (9), the degeneration that shows occupant area occurs, and the alarm in central control board (1) starts to report to the police.
7. pilot system according to claim 3, is characterized in that: described real vehicle (3) is divided into occupant area and deformable zone, on the lateral surface of occupant area according to the vertical marker line of setting interval arrangement sets width; In shock generating process, in the time that central control board (1) obtains some mark lines of occupant area shared width reduction exceeds setting value in the capture area of high-speed photography device (9) by high-speed photography device (9), the degeneration that shows occupant area occurs, and the alarm in central control board (1) starts to report to the police.
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| CN201410195040.6A CN103940622B (en) | 2014-05-09 | 2014-05-09 | Pressure friction plate brake formula rail vehicle real vehicle Impact Experimental System |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106383016A (en) * | 2016-08-19 | 2017-02-08 | 锦州锦恒汽车安全系统有限公司 | Vehicle side impact simulation test structure and test method thereof |
| 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 |
| CN113607439A (en) * | 2021-07-01 | 2021-11-05 | 中南大学 | Train crash test waveform simulation system |
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| CN106383016B (en) * | 2016-08-19 | 2019-01-29 | 锦州锦恒汽车安全系统股份有限公司 | A kind of vehicle side collision simulation test structure and its test method |
| 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 |
| CN113607439A (en) * | 2021-07-01 | 2021-11-05 | 中南大学 | Train crash test waveform simulation system |
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