CN107884213A - A kind of ejection type rail vehicle bump testing machine - Google Patents
A kind of ejection type rail vehicle bump testing machine Download PDFInfo
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- CN107884213A CN107884213A CN201711061523.7A CN201711061523A CN107884213A CN 107884213 A CN107884213 A CN 107884213A CN 201711061523 A CN201711061523 A CN 201711061523A CN 107884213 A CN107884213 A CN 107884213A
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- track
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a kind of ejection type rail vehicle bump testing machine, belongs to rail vehicle impact test technical field.Motor and its gear are provided with the one end of track away from rigid wall, the ground of the both sides of track is respectively equipped with column;One end of drag rope is connected with the gear of motor, and the other end is connected with the fixed support of pulley;The interlude of elastic threads is in contact around pulley and with directive wheel, and both ends are fixed with column respectively;For hauling block base with fixed in the middle part of impact test vehicle tail end, the tail end two sides of impact test car are provided with directive wheel;High-speed photography measurement device head is located at below supporting plate, and support plate upper surface is provided with information gathering control cabinet, and the speed head in speed detector be located on the right side of track, and supporting plate is provided with high-speed photography device, and its measurement head is located at track centre surface.Each side there are two pairs of ratio wheels pair under supporting trolley bottom plate, bottom plate both sides are respectively equipped with column, and column is provided with crossbeam and electromagnet.
Description
Technical field
The invention belongs to rail vehicle impact test technical field.
Background technology
China Express Railway development shows the swift and violent impetus, and high-speed cruising greatly shortens the time of two places, however,
Bullet train once crashes, it will causes irredeemable loss, lives and properties cause greatly to passenger's
Destroy.Impact test is to evaluate the most direct most persuasive method of rail vehicle security, and high speed apparatus of transport newly produces
Necessary to product exploitation, with the fast development of track traffic, impact test receives increasing attention, and it is a kind of to need foundation badly
High velocity impact testing stand, verify the security of vehicle collision.China Patent No. ZL201210065340.3 proposes " rolling stock
For collision experiment air bag pushing meanss " using air bag as energy storage carrier, being acted on using gases at high pressure acts on air bag impact
Car body is launched, but this method is low, whard to control in the presence of this reliability, and there is pressure detraction is existing in ejection process
As there is the defects of certain danger and larger noise, Chinese patent Shen ZL201320724577.2 proposes that " one kind is used for
Bullet train bump testing machine pushing meanss " launch car body using cylinder and air spring, under high pressure operating mode lower gasbag and cylinder
Gas leakage Yu in body junction is obvious, and vehicle body braking release can not accomplish abrupt release, to launching non-resistance.In view of prior art
Deficiency, a kind of ejection type rail vehicle bump testing machine of research and design.
The content of the invention
It is an object of the invention to provide a kind of ejection type rail vehicle bump testing machine, and it can efficiently solve locomotive
The technical problem of high velocity impact scenario reduction.
The purpose of the present invention is achieved through the following technical solutions:A kind of ejection type rail vehicle bump testing machine, including rail
The rigid wall and impact test car of road front end, motor and its gear are provided with the one end of track away from rigid wall, track
The ground of both sides is respectively equipped with column;One end of drag rope is connected with the gear of motor, the fixation of the other end and pulley
Support is connected, and upper and lower electromagnet rope bypasses pulley;The interlude of elastic threads is in contact around pulley and with directive wheel, both ends
Fixed respectively with column;With fixed in the middle part of impact test vehicle tail end, the tail end two sides of impact test car are set hauling block base
There is directive wheel;High-speed photography measurement device head is located at below supporting plate, and the plate face both ends of supporting plate are connected with support post, supports
Plate upper surface is provided with information gathering control cabinet, and the speed head in speed detector is located on the right side of track, is arranged parallel to track
Four speed heads, the wall of rigid wall are provided with force cell;Supporting plate is provided with high-speed photography device, and its measurement head is located at track
Directly over middle.Each side there are two pairs of ratio wheels pair under supporting trolley bottom plate, bottom plate both sides are respectively equipped with column, column
Top and middle part are respectively equipped with crossbeam, and electromagnet is equipped with the middle part of upper and lower crossbeam.
Velocity sensor in the speed detector is sequentially arranged four along track respectively, two among its middle orbit
It is individual, close to dynamometry wall displacement two.
Rigid wall is provided with force cell.
The drag rope of motor is located at both sides orbit centre position, and rope end is connected by tensioning wheel with pulley.
Servomotor in trailer system passes through the mobile tension bullet of impact test car by cable traction impact test car
Property rope, and make elastic threads energy storage, when reaching certain pulling force, tripping magnet electric current, realize impact test car pulling force wink
Between disappear, the elastic potential energy being stored in elastic threads is converted into impact test car kinetic energy, will play impact test car moment high speed bullet
Go out, end rigid wall is hit in the car body orbiting of ejection at a high speed.
By above technical scheme, the present invention makes full use of the energy-storage function of elastic threads, makees in traction electric machine and electromagnet
With the lower release for realizing that impact test car is effectively controllable and realize that the moment disengaging of car body is launched with moment, between without energy
Amount invalid dissipation, with reach different energy levels, friction speed impact test.
Traditional towed acting and ejection type acting are combined by the present invention, and traction is done work by drawing acting first
It is converted into elastic potential energy to be stored, the big stroke of elastic threads is being realized by tractive force abrupt release, is being done work over long distances, by bullet
Property potential energy be impact test car kinetic energy acting, make rolling stock obtain energy and speed be greatly improved, be advantageous to
The depth of speed car amount collision experiment is carried out and research.The present invention has that reliability is high, cost is low, makings is simple, repeats and makes
With the characteristics of, can truly reduce bullet train collision scene, provide important tests for bullet train apparatus of transport new product development
Support.
Brief description of the drawings
Fig. 1 is front view of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is that present invention ejection promotes schematic diagram.
Fig. 4 is present invention collision hull back part enlarged drawing.
Fig. 5 is the coupled part enlarged drawing of electromagnet supporting trolley of the present invention.
Fig. 6 is the coupled part left view of electromagnet supporting trolley of the present invention.
Embodiment
In order to be better understood from technical scheme, the present invention is made furtherly with reference to the accompanying drawings and examples
It is bright.
The present invention is a kind of ejection type rail vehicle bump testing machine, and as shown in Figure 1, Figure 2, shown in Fig. 2, system includes traction and is
System, controlled release durg delivery system, car body ejection system, high-speed photography system, speed detection system, dynamometric system.Testing stand includes rail
The rigid wall 8 and impact test car 5 of the front end of road 11, motor 1 and its variable-speed motor are provided with the one end of track 11 away from rigid wall 8
Structure, the ground of the both sides of track 11 are respectively equipped with column 6;One end of drag rope 15 is connected with the gear of motor 1, another
End is connected with the fixed support of pulley 3, and upper and lower electromagnet rope 20 bypasses pulley 3;The interlude of elastic threads 12 bypasses pulley 14
And be in contact with directive wheel 13, both ends are fixed with column 6 respectively;Hauling block base 14 and the tail end of impact test car 5 middle part are solid
Fixed, the tail end two sides of impact test car 5 are provided with directive wheel 13;High-speed photography measurement device first 7 is located at the lower section of supporting plate 21, branch
The plate face both ends of fagging 21 are connected with support post 16, and the upper surface of supporting plate 21 is provided with information gathering control cabinet 19, impact test
Above car 5, the speed head in speed detector is located at the right side of track 11, and four speed heads, rigidity are arranged parallel to track 11
The wall of wall 8 is provided with force cell;Supporting plate 21 is provided with high-speed photography device, and its measurement head 7 is located among track 11 on just
Side.Each side there are two pairs of ratio wheels under the bottom plate 23 of supporting trolley 10 to 22, the both sides of bottom plate 23 are respectively equipped with column 24, column
24 top and middle part are respectively equipped with crossbeam 25, and the middle part of upper and lower crossbeam 25 is equipped with electromagnet 4.
Velocity sensor 9 in the speed detector is sequentially arranged four along track 11 respectively, in its middle orbit 11
Between two, close to 8 position of dynamometric wall two.
Rigid wall 8 is provided with force cell.
The drag rope 15 of motor 1 is located at the center of two siding track 11, and rope end passes through tensioning wheel 2 and the phase of pulley 3
Even.
Electromagnet 4 is powered first, electromagnet under the effect of electromagnet supporting trolley 10 close to impact test car 5 and with electricity
The 18 firm adhesive of magnet suction base, start traction electric machine 1, tense drag rope 15 in motor rotation process and pull impact test car
5 are moved to the left, and keep the distribution of force of upper and lower electromagnet 4 uniform by pulley 3 while impact test car draws stress, with
Tensioning wheel 2 plays guiding and the effect of pulling force measure to drag rope 15 simultaneously for this, and traction electric machine is pulling impact test car to the left
While mobile, the both ends of elastic threads 12 are connected on vertical columns 6 by fixing bolt, will when elastic threads under tension acts on
Attenuate elongated, tractive force acting is converted into elastic potential energy is stored in elastic threads, to ensure elastic threads 12 to colliding instruction carriage
Active force stress balance, the interlude of elastic threads bypasses hauling block 14, and the both sides of impact test car 5 are respectively mounted on one
Directive wheel 13, ensure that elastic threads 12 are not in contact in drawing process with impact test vehicle body, and the continuity of stress conduction,
When tensioning wheel 2 reaches certain pulling force, at the same tripping magnet 4 and the electric current of traction electric machine 1, in cut-out electric current in a flash, electromagnetism
Iron departs from the moment of electromagnet suction base 18, and under the effect of the elastic force of elastic threads 12, car body ramps up impact test car 5, is colliding
When instruction carriage departs from elastic threads, elastic potential energy is completely converted into impact test car kinetic energy, and now the speed of impact test car 5 reaches most
Greatly, moved right in impact test car along track 11, now velocity-measuring system is to collision instruction carriage maximal rate and car body and rigidity
Speed when wall 8 contacts is measured, and when impact test car 5 strikes rigid wall 8 to the right, dynamometric system is carried out to impact
Constantly measure, at the same time the measurement head 7 in high speed video system deforms to the endergonic structure and car body of collision instruction carriage front end
Take pictures and scan at a high speed, measure impact test car deflection and stress distribution situation of change, high speed video system, dynamometry system
Data are passed to control system 17 by system and speed detection system by information gathering control cabinet 19, and data are handled with being divided
Analysis.
Rail vehicle impact test system mainly has draws impact test car by traction electric machine, and impact test car pulls bullet
Property rope, elastic rope produces elastic potential energy in the presence of tensile force, and is stored, traction electric machine to collide instruction carriage body
The elastic potential energy that pulling force stores after cancelling is converted into kinetic energy, and impact test car is carried out into high speed ejection, finally hits rigid wall,
In ejection process, elastic threads play lasting impetus to vehicle by directive wheel.
The principal character described above for trying hard to be shown and described the present invention, invention essence, general principle, technological merit and
Embodiment, but the content is only presently preferred embodiments of the present invention, it is impossible to it is considered as the implementation for limiting the present invention
Scope, any changes and modifications in accordance with the scope of the present application, the patent that all should still belong to the present invention cover model
Within enclosing.
Claims (4)
1. a kind of ejection type rail vehicle bump testing machine, include the rigid wall (8) and impact test car of track (11) front end
(5), it is characterised in that:Motor (1) and its gear, track (11) are provided with the one end of track (11) away from rigid wall (8)
The ground of both sides be respectively equipped with column (6);One end of drag rope (15) is connected with the gear of motor (1), the other end
It is connected with the fixed support of pulley (3), upper and lower electromagnet rope (20) bypasses pulley (3);The interlude of elastic threads (12) bypasses
Pulley (14) is simultaneously in contact with directive wheel (13), and both ends are fixed with column (6) respectively;Hauling block base (14) and impact test
Fixed in the middle part of car (5) tail end, the tail end two sides of impact test car (5) are provided with directive wheel (13);High-speed photography measurement device head
(7) below supporting plate (21), the plate face both ends of supporting plate (21) are connected with support post (16), supporting plate (21) upper surface
Provided with information gathering control cabinet (19), above impact test car (5), it is right that the speed head in speed detector be located at track (11)
Side, four speed heads are arranged parallel to track (11), the wall of rigid wall (8) is provided with force cell;Supporting plate (21) is provided with
High-speed photography device, its measurement head (7) are located at directly over track (11) centre, the left and right sides under supporting trolley (10) bottom plate (23)
Respectively there are two pairs of ratio wheels to (22), bottom plate (23) both sides are respectively equipped with column (24), and the top and middle part of column (24) are set respectively
There is crossbeam (25), electromagnet (4) is equipped with the middle part of upper and lower crossbeam (25).
A kind of 2. ejection type rail vehicle bump testing machine according to claim 1, it is characterised in that:The velocity measuring
Velocity sensor (9) in device is sequentially arranged along track (11) respectively.
3. a kind of ejection type rail vehicle bump testing machine according to claim 1, it is characterised in that rigid wall is set on (8)
There is force cell.
A kind of 4. ejection type rail vehicle bump testing machine according to claim 1, it is characterised in that:Motor (1) is led
Messenger rope (15) is located at two siding tracks (11) center, and rope end is connected by tensioning wheel (2) with pulley (3).
Priority Applications (1)
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CN201711061523.7A CN107884213A (en) | 2017-11-02 | 2017-11-02 | A kind of ejection type rail vehicle bump testing machine |
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CN201711061523.7A CN107884213A (en) | 2017-11-02 | 2017-11-02 | A kind of ejection type rail vehicle bump testing machine |
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Publication Number | Publication Date |
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CN107884213A true CN107884213A (en) | 2018-04-06 |
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CN201711061523.7A Pending CN107884213A (en) | 2017-11-02 | 2017-11-02 | A kind of ejection type rail vehicle bump testing machine |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109556883A (en) * | 2018-11-27 | 2019-04-02 | 宋凤玲 | A kind of unmanned experiment simulated crash measurement device of automobile |
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 |
CN110345858A (en) * | 2019-07-19 | 2019-10-18 | 广州市番通汽车检测有限公司 | A kind of car crass position measurement instrument |
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 |
CN112393872A (en) * | 2021-01-20 | 2021-02-23 | 四川轻化工大学 | High-pressure gas self-adaptive ejection control system and control method |
CN113740016A (en) * | 2021-08-25 | 2021-12-03 | 中车青岛四方机车车辆股份有限公司 | Auxiliary device, rail vehicle collision test system and control method |
CN114279871A (en) * | 2021-12-22 | 2022-04-05 | 江苏安锦橡胶有限公司 | A strength test device for rubber fender |
CN114720151A (en) * | 2022-04-15 | 2022-07-08 | 湖南大学 | Waveform-adjustable low-speed collision test system based on energy storage device |
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CN201909716U (en) * | 2010-11-15 | 2011-07-27 | 襄樊达安汽车检测中心 | False triggering prevention testing device for automobile safety airbags |
CN104614190A (en) * | 2014-12-08 | 2015-05-13 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle test stand |
CN106950027A (en) * | 2017-04-07 | 2017-07-14 | 武汉理工大学 | The device of horizontal impact experiment can be carried out |
CN206420657U (en) * | 2016-11-28 | 2017-08-18 | 华南理工大学 | A kind of parts collide chassis test platform |
CN104359642B (en) * | 2014-11-10 | 2017-12-22 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle bump testing machine |
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CN201909716U (en) * | 2010-11-15 | 2011-07-27 | 襄樊达安汽车检测中心 | False triggering prevention testing device for automobile safety airbags |
CN104359642B (en) * | 2014-11-10 | 2017-12-22 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle bump testing machine |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109556883A (en) * | 2018-11-27 | 2019-04-02 | 宋凤玲 | A kind of unmanned experiment simulated crash measurement device of automobile |
CN109556883B (en) * | 2018-11-27 | 2020-12-04 | 广汽本田汽车有限公司 | Automobile unmanned experiment simulation collision measuring device |
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 |
CN110345858A (en) * | 2019-07-19 | 2019-10-18 | 广州市番通汽车检测有限公司 | A kind of car crass position measurement instrument |
CN112393872A (en) * | 2021-01-20 | 2021-02-23 | 四川轻化工大学 | High-pressure gas self-adaptive ejection control system and control method |
CN112393872B (en) * | 2021-01-20 | 2021-03-30 | 四川轻化工大学 | High-pressure gas self-adaptive ejection control system and control method |
CN113740016A (en) * | 2021-08-25 | 2021-12-03 | 中车青岛四方机车车辆股份有限公司 | Auxiliary device, rail vehicle collision test system and control method |
CN113740016B (en) * | 2021-08-25 | 2024-05-28 | 中车青岛四方机车车辆股份有限公司 | Auxiliary device, system for railway vehicle collision test and control method |
CN114279871A (en) * | 2021-12-22 | 2022-04-05 | 江苏安锦橡胶有限公司 | A strength test device for rubber fender |
CN114720151A (en) * | 2022-04-15 | 2022-07-08 | 湖南大学 | Waveform-adjustable low-speed collision test system based on energy storage device |
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Application publication date: 20180406 |