CN106441955B - A kind of track train collision test method and system - Google Patents
A kind of track train collision test method and system Download PDFInfo
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- CN106441955B CN106441955B CN201610858894.7A CN201610858894A CN106441955B CN 106441955 B CN106441955 B CN 106441955B CN 201610858894 A CN201610858894 A CN 201610858894A CN 106441955 B CN106441955 B CN 106441955B
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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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Abstract
The invention discloses a kind of track train collision test method and system, test method includes: that the speed on acceleration orbit maintains the present speed that test train is obtained in section；Judge whether the current vehicle speed of test train meets speed preset condition, if so, maintaining current vehicle speed until step 3；If not, test train executes braking；After test train traveling reaches the unhook section on acceleration orbit, unhook movement is executed, the power car turning in test train is sailed out of；Unpowered vehicle in test train enters coasting-flight phase, drives towards impact test wall.By way of carrying out velocity measuring before executing unhook operation, speed is accurately determined, and entering bend turning driving by power car enables power car avoid impact test wall in time, this design enables the distance of train unhook positional distance impact test wall closer, the distance of corresponding train art skating reduces, it reduces train speed to change, speed when train being made to reach collision is more accurate.
Description
Technical field
The present invention relates to rail vehicle experimental technique fields, more specifically to a kind of track train impact test side
Method further relates to a kind of track train impact test system.
Background technique
Track train is generally even hung by more piece, and train length head, weight is big, so corresponding once entering traveling shape
State has biggish inertia.In order to which train researches and develops improved needs, impact test need to be carried out to train, however since its scale of construction is big
The reason of, impact test can not carry out in the closed workshop of short length.
It is corresponding that test train is accelerated and controlled using drive system hydraulic under track, pneumatically or electrically,
It is big, at high cost to build difficulty.And another optional test train driving method be driven using air bubble principle, however
The driving method of air bubble not only makes train running speed uneven, but also easily causes the collision between multi-section vehicles and be easy
Overstep the limit, causes test can not normally controllable implementation.
Due to lacking good driving method, cause in traditional locomotive impact test, the impact velocity of test train is difficult
Accurately to control.Based on the technical solution of common in-vehicle headband dynamic test train, in order to headstock can be detached from before the collision in time it is anti-
Only impact test damages power locomotive, and it is longer to generally require the coasting distance after motorless test train breaks off relations, can lose compared with
More speeds.Train can not be also stopped in time when finding that train speed deviation is larger, to carry out with this unsuccessful collision
Test consumes test equipment but and cannot obtain the test result under ideal impact velocity, keeps test invalid, causes larger economy
Loss.
In conclusion it is low how to efficiently solve track train impact test success rate in the prior art, it be easy to cause
The technical problem of cost waste etc., is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, the first purpose of this invention is to provide a kind of track train collision test method, the track column
It is low that vehicle collision test method can efficiently solve track train impact test success rate in the prior art, be easy to cause cost
The technical problem of waste etc., a second object of the present invention is to provide a kind of track train impact test systems.
In order to reach above-mentioned first purpose, the invention provides the following technical scheme:
A kind of track train collision test method, comprising:
Step 1, the speed on acceleration orbit maintain the present speed that test train is obtained in section；
Step 2, judges whether the current vehicle speed of test train meets speed preset condition, if so, maintaining current vehicle speed
Until step 3；If not, test train executes braking；
Step 3 executes unhook movement, test train after test train traveling reaches the unhook section on acceleration orbit
In power car turning sail out of；Unpowered vehicle in test train enters coasting-flight phase, drives towards impact test wall.
Preferably, in above-mentioned track train collision test method, in the step 2, judge the current vehicle speed of test train
Whether speed preset condition is met specifically:
Judge the current vehicle speed of test train whether within pre-set velocity range.
Preferably, in above-mentioned track train collision test method, the step 1 further include:
It drives the unpowered vehicle to be accelerated on acceleration orbit by the power car, speed is enabled to reach pre-set velocity
In range.
Preferably, in above-mentioned track train collision test method, in the step 3, it includes: institute that power car turning, which is sailed out of,
It states power car and is switched to rubber-tired cart wheel drive from rail and wheel driving, accelerate later, break off the acceleration orbit.
Preferably, in above-mentioned track train collision test method, in the step 2, test train is gone back after executing braking
Include:
The test train reverse travel reaches starting point, parking, reversed acceleration.
Track train collision test method provided by the invention, comprising:
Step 1, the speed on acceleration orbit maintain the present speed that test train is obtained in section；
Step 2, judges whether the current vehicle speed of test train meets speed preset condition, if so, maintaining current vehicle speed
Until step 3；If not, test train executes braking；
Step 3 executes unhook movement, test train after test train traveling reaches the unhook section on acceleration orbit
In power car turning sail out of；Unpowered vehicle in test train enters coasting-flight phase, drives towards impact test wall.
Using this technical solution, being carried out to speed by way of carrying out velocity measuring before executing unhook operation
Relatively accurate determination, and enable power car timely and effectively avoid colliding in such a way that power car enters bend turning driving
Test wall, this technical solution enable the distance of train unhook positional distance impact test wall closer, corresponding train art skating
Distance reduces, and time and space, speed when train being made to reach collision for reducing train speed variation are more accurate；If train
Not up to scheduled speed then effectively prevent carrying out before needing the position broken off relations with regard to timely stopping by braking
Unnecessary collision reduces the loss of test.As it can be seen that this track train collision test method impact velocity provided by the invention
Precise control, it is low to efficiently solve track train impact test success rate in the prior art, and cost is be easy to cause to waste
Deng technical problem.
In order to reach above-mentioned second purpose, the present invention also provides a kind of track train impact test systems, including rail
Road and impact test wall, further includes:
Test train, the test train include by the power car and unpowered vehicle of controllable hook connection, wherein moving
Power vehicle is the dual-purpose engineering truck of rail；
Master control set assembly, including the automatic Pilot control module for controlling power car driver behavior, control hook pine
De- hook control module and judge whether the current vehicle speed of test train meets the judgment module of speed preset condition；
Sensing device assembly, including for induced test train current vehicle speed speed sensor and test train position
Position induction device in the current location on track；The sensing device assembly and master control set assembly communication connection.
The track train impact test system can be realized any of the above-described kind of track train collision test method.Due to above-mentioned
Track train collision test method have above-mentioned technique effect, can be realized the track train impact test system of this method
There should be corresponding technical effect.
Preferably, in above-mentioned track train impact test system, the master control set assembly further includes memory module, described
The characteristic of pre-set velocity range is stored in memory module, the memory module and the judgment module communicate to connect, institute
Judgment module is stated by the characteristic of comparison current vehicle speed and the characteristic of pre-set velocity range, whether judges current vehicle speed
Meet speed preset condition.
Preferably, in above-mentioned track train impact test system, the power car is provided with the rail that can mutually switch
Wheel driver and rubber tire wheel driver.
Preferably, in above-mentioned track train impact test system, the power car is connected to the unpowered vehicle traveling side
To head or tail portion.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart of track train collision test method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another track train collision test method provided in an embodiment of the present invention；
Fig. 3 is the simplified schematic diagram of track train collision test method provided in an embodiment of the present invention and system；
Fig. 4 is the simplified schematic diagram of another track train collision test method provided in an embodiment of the present invention and system；
Fig. 5 is the schematic diagram of track train impact test system provided in an embodiment of the present invention.
It is marked in attached drawing as follows:
Power car 1, hook 3, acceleration orbit 4, turning path 5, coasting-flight phase 6, impact test wall 7, breaks off relations at unpowered vehicle 2
Section 8, speed maintain section 9, master control set assembly 10, sensing device assembly 11.
Specific embodiment
The embodiment of the invention discloses a kind of track train collision test methods, to solve track train in the prior art
Impact test success rate is low, be easy to cause the technical problem of cost waste etc..
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1, Fig. 3 and Fig. 4 are please referred to, Fig. 1 is the process of track train collision test method provided in an embodiment of the present invention
Figure；Fig. 3 is the simplified schematic diagram of track train collision test method provided in an embodiment of the present invention and system, power parking stall in this figure
It is connected in unpowered front side；Fig. 4 is another track train collision test method provided in an embodiment of the present invention and system
Simplified schematic diagram, power car is located at the connection of unpowered vehicle rear in this figure.
Track train collision test method provided in an embodiment of the present invention, comprising:
S01: step 1, the speed on acceleration orbit maintain the present speed that test train is obtained in section；Wherein, speed
Maintaining section is one section of acceleration orbit before coasting-flight phase, by measuring the speed of train on this section of track, to judge to arrange
Whether vehicle can reach impact test wall at a predetermined rate；Furthermore speed maintains the respective position of section, unhook section and coasting-flight phase
And length can be by the speed of collision prediction, the compartment set-up mode (context including power car and unpowered vehicle etc.) of train
Etc. the adjustment that each specific condition makes adaptability.
S02: step 2 judges whether the current vehicle speed of test train meets speed preset condition, if so, remaining current
Speed is until step 3；If not, test train executes braking；In this step, sentenced by the train speed obtained before
It is disconnected, as judging result thinks that train can be carried out impact test with specified speed and keep speed until after next step progress
Continuous operation, such as speed is it is impossible to meet requiring directly to carry out braking to enable train stop or carry out operation of moving backward, after carrying out
Continuous test.
S03: step 3 executes unhook movement, test after test train traveling reaches the unhook section on acceleration orbit
Power car turning in train is sailed out of；Unpowered vehicle in test train enters coasting-flight phase, drives towards impact test wall.This step
In, test train crosses speed and maintains section, unhook section is reached, by can control the device to break off relations automatically by power car and nothing
Power car carries out unhook operation, and unpowered vehicle enters the coasting-flight phase that the straight connection of section is maintained with speed later, and power car is direct
Turning driving avoids impact test wall；Wherein it should be noted that impact test in the present embodiment and below each embodiment
Wall can be equally collision obstacle unfixed with ground.
Using this technical solution, being carried out to speed by way of carrying out velocity measuring before executing unhook operation
Relatively accurate determination, and enable power car timely and effectively avoid colliding in such a way that power car enters bend turning driving
Test wall, this technical solution enable the distance of train unhook positional distance impact test wall closer, corresponding train art skating
Distance reduces, and time and space, speed when train being made to reach collision for reducing train speed variation are more accurate；If train
Not up to scheduled speed then effectively prevent carrying out before needing the position broken off relations with regard to timely stopping by braking
Unnecessary collision reduces the loss of test.As it can be seen that this track train collision test method impact velocity provided by the invention
Precise control, it is low to efficiently solve track train impact test success rate in the prior art, and cost is be easy to cause to waste
Deng technical problem.
Referring to Fig. 2, Fig. 2 is the flow chart of another track train collision test method provided in an embodiment of the present invention.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned track train collision
In test method, in the step 2, judge whether the current vehicle speed of test train meets speed preset condition specifically:
Judge the current vehicle speed of test train whether within pre-set velocity range.
Technical solution provided in this embodiment, can be by way of relevant parameter that pre-set velocity is stored in advance etc., will
The parameter of the current train travel speed got is in contrast, to judge whether speed is in the range of pre-set velocity interval
Within, determine whether test train can be collided with ideal speed with barrier with this, if cannot if in time
Parking.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned track train collision
In test method, the step 1 further includes S11:
It drives the unpowered vehicle to be accelerated on acceleration orbit by the power car, speed is enabled to reach pre-set velocity
In range.
Technical solution provided in this embodiment setting acceleration orbit before speed maintains section is accelerated in advance, in order to make
Power car drives unpowered vehicle that can have the speed tested together, so that subsequent test is easy to carry out；It gives it the gun
Mode accurately accelerate preferably by realizations such as servomechanisms in power car and speed control.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned track train collision
In test method, in the step 3, power car turning is sailed out of, and to include: the power car be switched to rubber tire from rail and wheel driving
Wheel driving, accelerates later, breaks off the acceleration orbit.
It can refer to Fig. 3 and Fig. 4, turning dotted portion is the turning path 5 that power car is detached from after unpowered vehicle in figure.This
In the technical solution that embodiment provides, power car is realized by way of switching drive train when carrying out transformation vehicle line,
In the state that power car drives unpowered vehicle traveling, power car is identical as unpowered vehicle to be driven by rail and wheel in orbit
Traveling, when needing lane change, power car is switched to the rubber tire wheel travelled outside rail, and turning driving disengaging later is slided
Collide route；The technical solution control of the present embodiment, which is realized, to be easy, and change track effect is good, can accurately and effectively realize power car
With the separation of unpowered vehicle.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned track train collision
In test method, in the step 2, test train is executed after braking further include:
The test train reverse travel reaches starting point, parking, reversed acceleration.
Technical solution provided in this embodiment is further, in the case where test train speed is unsatisfactory for preset condition,
Test is re-started, reversely drives unpowered vehicle to return to the initial position of test by power car, re-starts test, to try
Testing can be carried out continuously, and improve the efficiency that test carries out.
Fig. 3, Fig. 4 and Fig. 5 are please referred to, Fig. 3 is track train collision test method provided in an embodiment of the present invention and system
Simplified schematic diagram, power car is located at the connection of unpowered front side in this figure；Fig. 4 is another track provided in an embodiment of the present invention
The simplified schematic diagram of train collision test method and system, power car is located at the connection of unpowered vehicle rear in this figure；Fig. 5 is the present invention
The schematic diagram for the track train impact test system that embodiment provides.
The track train collision test method provided in based on the above embodiment, the present invention also provides a kind of track trains
Impact test system, the track train impact test system include track and impact test wall, further includes:
Test train, the test train include by the power car and unpowered vehicle of controllable hook connection, wherein moving
Power vehicle is the dual-purpose engineering truck of rail；
Master control set assembly, including the automatic Pilot control module for controlling power car driver behavior, control hook pine
De- hook control module and judge whether the current vehicle speed of test train meets the judgment module of speed preset condition；
Sensing device assembly, including for induced test train current vehicle speed speed sensor and test train position
Position induction device in the current location on track；The sensing device assembly and master control set assembly communication connection.
The design that the dual-purpose engineering truck of rail is used by the power car of test train, enables power car that can be detached from original iron
Rail track breaks off unpowered vehicle when needed, whether meets preset condition by master control set assembly Pang Duan speed
To know the subsequent operation whether broken off relations.
Since the track train impact test system can be realized the track train collision test method in above-described embodiment,
So the beneficial effect of the track train impact test system please refers to above-described embodiment.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned track train collision
In pilot system, the master control set assembly further includes memory module, and pre-set velocity range is stored in the memory module
Characteristic, the memory module and the judgment module communicate to connect, the spy that the judgment module passes through comparison current vehicle speed
The characteristic for levying data and pre-set velocity range, judges whether current vehicle speed meets speed preset condition.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned track train collision
In pilot system, the power car is provided with the rail and wheel driving device that can mutually switch and rubber tire wheel driver.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned track train collision
In pilot system, the power car is connected to the head or tail portion of the unpowered vehicle driving direction.It is provided in this embodiment
The connection type of test train includes function of the power car in preceding or unpowered vehicle in first two mode, track in technical solution
The relative position of section should be also adjusted correspondingly.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of track train collision test method characterized by comprising
Step 1, the speed on acceleration orbit maintain the present speed that test train is obtained in section；
Step 2, judges whether the current vehicle speed of test train meets speed preset condition, if so, maintain current vehicle speed until
Step 3；If not, test train executes braking；
Step 3 executes unhook and acts, in test train after test train traveling reaches the unhook section on acceleration orbit
Power car turning is sailed out of；Unpowered vehicle in test train enters coasting-flight phase, drives towards impact test wall；
In the step 3, power car turning is sailed out of, and to include: the power car be switched to rubber tire wheel from rail and wheel driving drives
It is dynamic, accelerate later, break off the acceleration orbit；
In the step 2, test train is executed after braking further include:
The test train reverse travel reaches starting point, parking, reversed acceleration.
2. track train collision test method according to claim 1, which is characterized in that in the step 2, judge to try
Whether the current vehicle speed for testing train meets speed preset condition specifically:
Judge the current vehicle speed of test train whether within pre-set velocity range.
3. track train collision test method according to claim 2, which is characterized in that the step 1 further include:
It drives the unpowered vehicle to be accelerated on acceleration orbit by the power car, speed is enabled to reach pre-set velocity range
It is interior.
4. a kind of track train impact test system, including track and impact test wall, which is characterized in that further include:
Test train, the test train include the power car and unpowered vehicle connected by controllable hook, wherein power car
For the dual-purpose engineering truck of rail；
Master control set assembly is loosened including the automatic Pilot control module for controlling power car driver behavior, control hook
It links up with control module and judges whether the current vehicle speed of test train meets the judgment module of speed preset condition；
Sensing device assembly, including for induced test train current vehicle speed speed sensor and test train be located at rail
The position induction device of current location on road；The sensing device assembly and master control set assembly communication connection.
5. track train impact test system according to claim 4, which is characterized in that the master control set assembly also wraps
Memory module is included, the characteristic of pre-set velocity range, the memory module and the judgement are stored in the memory module
Module communication connection, the judgment module pass through the characteristic of comparison current vehicle speed and the characteristic of pre-set velocity range,
Judge whether current vehicle speed meets speed preset condition.
6. track train impact test system according to claim 5, which is characterized in that the power car is provided with can
The rail and wheel driving device and rubber tire wheel driver mutually switched.
7. according to track train impact test system described in claim 4,5 or 6, which is characterized in that the power car connection
In the head or tail portion of the unpowered vehicle driving direction.
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| CN108507806B (en) * | 2018-03-14 | 2019-09-20 | 中南大学 | Train occupant's secondary collision pilot system and method |
| CN111076955B (en) * | 2018-10-22 | 2024-03-22 | 中车唐山机车车辆有限公司 | Rail vehicle collision test system and method |
| CN111076956A (en) * | 2018-10-22 | 2020-04-28 | 中车唐山机车车辆有限公司 | Rail vehicle collision test system and test trolley thereof |
| 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 |
| CN110308001B (en) * | 2019-07-22 | 2021-05-04 | 株洲时代电子技术有限公司 | Intelligent driving method for line crash test driving vehicle |
| CN110285987B (en) * | 2019-07-22 | 2021-04-30 | 株洲时代电子技术有限公司 | Rail vehicle line collision test method |
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