CN106441955A - Rail train impact test method and system - Google Patents
Rail train impact test method and system Download PDFInfo
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- CN106441955A CN106441955A CN201610858894.7A CN201610858894A CN106441955A CN 106441955 A CN106441955 A CN 106441955A CN 201610858894 A CN201610858894 A CN 201610858894A CN 106441955 A CN106441955 A CN 106441955A
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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
Abstract
The invention discloses a rail train impact test method and system. The method comprises the steps: obtaining the current speed of a tested train at a speed maintaining segment of an acceleration rail; judging whether the current speed of the tested train meets a preset train speed condition or not: maintaining the current speed till step 3 if the current speed of the tested train meets the preset train speed condition, or else carrying out the braking of the tested train; carrying out the unhooking operation when the tested train arrives at an unhooking segment of the acceleration rail, and enabling a motor vehicle in the tested rail to turn and depart; and enabling a no-power vehicle of the tested train to enter a sliding segment and head towards an impact test wall. The method achieves the precise determining of the vehicle speed in a mode of carrying out the speed detection before the unhooking operation is carried out, and enables the motor vehicle to timely avoid the impact test wall when the motor vehicle enters a bent lane to turn. The above design enables a train unhooking position to be farther from the impact test wall. Correspondingly, the free sliding distance of the train is reduced, the change possibility of the speed of the train is lowered, and the speed of the train during impact is enabled to be more accurate.
Description
Technical field
A kind of the present invention relates to rail vehicle experimental technique field, more particularly, it relates to track train impact test side
Method, further relates to a kind of track train impact test system.
Background technology
Track train typically connects extension by more piece and forms, train length head, and weight is big, so corresponding travel shape once entering
State has larger inertia.In order to improved needs researched and developed by train, impact test need to be carried out to train, big yet with its scale of construction
The reason for, its impact test cannot be carried out in the closed workshop of short length.
Corresponding using hydraulic pressure under track, drive system pneumatically or electrically, test train is accelerated and is controlled, its
Construction difficulty is big, high cost.And another kind of optional test train type of drive is to be driven using air bubble principle, but
The type of drive of air bubble not only makes train running speed uneven, and the collision that is also easy to cause between multi-section vehicles and easy
Overstep the limit, cause test cannot be normally controlled enforcement.
Due to lacking good type of drive, cause in traditional locomotive impact test, the impact velocity hardly possible of test train
With precise control.Based on the technical scheme of common in-vehicle headband dynamic test train, in order to headstock can depart from before the collision in time anti-
Only impact test damages power locomotive, and the coasting distance for generally requiring after the unhook of motorless test train is longer, can lose relatively
Many speeds.Also train cannot be stopped in time when finding that train speed deviation is larger, so as to carry out with this unsuccessful collision
Test, consumes the result of the test that test equipment can not be but obtained under preferable impact velocity, makes test invalid, cause larger economy
Loss.
In sum, how to efficiently solve track train impact test success rate of the prior art low, easily cause
The technical problem of cost waste etc., is current those skilled in the art's urgent problem.
Content of the invention
In view of this, first purpose of the present invention is to provide a kind of track train collision test method, the track column
It is low that car collision test method can efficiently solve track train impact test success rate of the prior art, easily causes cost
The technical problem of waste etc., second object of the present invention is to provide a kind of track train impact test system.
In order to reach above-mentioned first purpose, the present invention provides following technical scheme：
A kind of track train collision test method, including：
Step one, maintains the present speed for obtaining test train in section in the speed on acceleration orbit；
Step 2, judges whether the current vehicle speed of test train meets speed pre-conditioned, if it is, maintaining current vehicle speed
Until step 3；If not, test train executes braking；
Step 3, after test train travels the unhook section for reaching on acceleration orbit, executes unhook action, test train
In power car turn sail out of；Unpowered car 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
It is pre-conditioned specially whether speed is met：
Judge the current vehicle speed of test train whether within pre-set velocity scope.
Preferably, in above-mentioned track train collision test method, the step one also includes：
Drive the unpowered car to be accelerated on acceleration orbit by the power car, make speed reach pre-set velocity
In the range of.
Preferably, in above-mentioned track train collision test method, in the step 3, power car turn sail out of including：Institute
Stating power car and rubber-tired cart wheel drive is switched to from rail and wheel driving, accelerates afterwards, breaks 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
Including：
The test train reverse travel reaches starting point, stops, reversely accelerates.
The track train collision test method that the present invention is provided, including：
Step one, maintains the present speed for obtaining test train in section in the speed on acceleration orbit；
Step 2, judges whether the current vehicle speed of test train meets speed pre-conditioned, if it is, maintaining current vehicle speed
Until step 3；If not, test train executes braking；
Step 3, after test train travels the unhook section for reaching on acceleration orbit, executes unhook action, test train
In power car turn sail out of；Unpowered car in test train enters coasting-flight phase, drives towards impact test wall.
Using this technical scheme, by way of carrying out velocity measuring before operation of breaking off relations is executed, speed is carried out
Relatively accurate determination, and make power car timely and effectively avoid collision by way of power car enters bend turning driving
Test wall, this technical scheme makes the distance of train unhook positional distance impact test wall closer to corresponding train art skating
Distance reduces, and reduces time and the space of train speed change, and speed when making train reach collision is more accurate；If train
Not up to predetermined speed, then with regard to timely being stopped by braking before the position for needing to break off relations, effectively prevent from carrying out
Unnecessary collision reduces the loss of test.It can be seen that, this track train collision test method impact velocity that the present invention is provided
Precise control, it is low to efficiently solve track train impact test success rate of the prior art, easily causes cost waste
Deng technical problem.
In order to reach above-mentioned second purpose, present invention also offers a kind of track train impact test system, including rail
Road and impact test wall, also include：
Test train, the test train includes the power car by can control hook connection and unpowered car, wherein moves
Power car 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 pre-conditioned judge module of speed；
Induction installation assembly, including the speed sensor for induced test train current vehicle speed, and test train position
The position induction device of the current location on the track；The induction installation assembly and master control set assembly communication connection.
The track train impact test system can realize any of the above-described kind of track train collision test method.Due to above-mentioned
Track train collision test method there is above-mentioned technique effect, the track train impact test system of the method can be realized
Should be with corresponding technique effect.
Preferably, in above-mentioned track train impact test system, the master control set assembly also includes memory module, described
Memory module internal memory contains the characteristic of pre-set velocity scope, and the memory module is communicated to connect with the judge module, institute
Judge module is stated by characteristic and the characteristic of pre-set velocity scope of current vehicle speed is contrasted, whether judge current vehicle speed
Meet speed pre-conditioned.
Preferably, in above-mentioned track train impact test system, the power car is provided with the rail of mutual switching
Wheel driver and rubber tire wheel driver.
Preferably, in above-mentioned track train impact test system, the power car is connected to the unpowered car traveling side
To head or afterbody.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for technology description is had to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying 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 kind 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 kind 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.
In accompanying drawing, labelling is as follows：
Power car 1, unpowered car 2, hook 3, acceleration orbit 4, turning path 5, coasting-flight phase 6, impact test wall 7, unhook
Section 8, speed maintains section 9, master control set assembly 10, induction installation assembly 11.
Specific embodiment
The embodiment of the invention discloses a kind of track train collision test method, to solve track train of the prior art
Impact test success rate is low, easily causes the technical problem of cost waste etc..
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1, Fig. 3 and Fig. 4 is referred to, Fig. 1 is the flow 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, this in figure power parking stall
Connect in unpowered front side；Fig. 4 is another kind track train collision test method provided in an embodiment of the present invention and system
Simplified schematic diagram, this in figure power car is located at unpowered car rear connection.
Track train collision test method provided in an embodiment of the present invention, including：
S01:Step one, maintains the present speed for obtaining test train in section in the speed on acceleration orbit；Wherein, speed
Maintenance section is one section before coasting-flight phase of acceleration orbit, by determining the speed of train on this section of track, so as to judge row
Whether car can reach impact test wall at a predetermined rate；In addition 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 car etc.) of train
Adaptive adjustment is made Deng each specific condition.
S02:Step 2, judges whether the current vehicle speed of test train meets speed pre-conditioned, if it is, remaining current
Speed is until step 3；If not, test train executes braking；In this step, sentenced by the train speed for obtaining before
Disconnected, such as judged result thinks that train can be carried out after impact test keeps speed until next step is carried out with specified speed
Continuous operation, such as speed can not meet requirement and be directly braked makes train stop or carry out the operation such as move backward, in order to after carrying out
Continuous test.
S03:Step 3, after test train travels the unhook section for reaching on acceleration orbit, executes unhook action, test
Power car in train is turned and is sailed out of；Unpowered car in test train enters coasting-flight phase, drives towards impact test wall.This step
In, test train crosses speed and maintains section, reaches unhook section, by can control the device for being broken off relations automatically by power car and nothing
Power car carries out unhook operation, and unpowered car enters the coasting-flight phase for maintaining the straight connection of section with speed afterwards, 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 equally be collision obstacle not with ground fixation.
Using this technical scheme, by way of carrying out velocity measuring before operation of breaking off relations is executed, speed is carried out
Relatively accurate determination, and make power car timely and effectively avoid collision by way of power car enters bend turning driving
Test wall, this technical scheme makes the distance of train unhook positional distance impact test wall closer to corresponding train art skating
Distance reduces, and reduces time and the space of train speed change, and speed when making train reach collision is more accurate；If train
Not up to predetermined speed, then with regard to timely being stopped by braking before the position for needing to break off relations, effectively prevent from carrying out
Unnecessary collision reduces the loss of test.It can be seen that, this track train collision test method impact velocity that the present invention is provided
Precise control, it is low to efficiently solve track train impact test success rate of the prior art, easily causes cost waste
Deng technical problem.
Refer to the flow chart that Fig. 2, Fig. 2 are another kind track train collision test method provided in an embodiment of the present invention.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, above-mentioned track train collision
In test method, in the step 2, judge whether the current vehicle speed of test train meets speed pre-conditioned specially：
Judge the current vehicle speed of test train whether within pre-set velocity scope.
The technical scheme that the present embodiment is provided, can be by way of prestoring relevant parameter of pre-set velocity etc., will
The parameter of the current train travel speed for getting is in contrast, so as to judge whether speed is in the scope of pre-set velocity interval
Within, determine with this whether test train can be collided with ideal speed and barrier, if can not if timely
Stop.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, above-mentioned track train collision
In test method, the step one also includes S11：
Drive the unpowered car to be accelerated on acceleration orbit by the power car, make speed reach pre-set velocity
In the range of.
The technical scheme that the present embodiment is provided arranged acceleration orbit before speed maintains section and is accelerated in advance, in order to make
Power car drives unpowered car have the speed that is tested together, easily carries out so as to follow-up test；Give it the gun
Mode realize accurately accelerating and speed controlling preferably by servomechanism etc. of power in-car.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, above-mentioned track train collision
In test method, in the step 3, power car turn sail out of including：The power car drives from rail and wheel and switches to rubber tire
Wheel drives, and accelerates afterwards, breaks off the acceleration orbit.
Fig. 3 and Fig. 4 is referred to, in figure turning dotted portion is the turning path 5 after power car departs from unpowered car.This
In the technical scheme that embodiment is provided, power car is realized by way of switching drive train when line translation vehicle line is entered,
In the state that power car drives unpowered car to travel, power car is identical with unpowered car to be driven by rail and wheel in orbit
Travel, when lane change is needed, power car switches to the rubber tire wheel for travelling outside rail, and turning driving departs from and slides afterwards
Collision circuit；The technical scheme control realization of the present embodiment is easy, and change track effect is good, can accurately and effectively realize power car
Separate with unpowered car.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, above-mentioned track train collision
In test method, in the step 2, test train also includes after executing braking：
The test train reverse travel reaches starting point, stops, reversely accelerates.
The technical scheme that the present embodiment is provided is further, test train speed be unsatisfactory for pre-conditioned in the case of,
Test is re-started, is reversely driven unpowered car to return to the original position of test by power car, test is re-started, to try
Test and can be carried out continuously, improve the efficiency that test is carried out.
Fig. 3, Fig. 4 and Fig. 5 is referred to, Fig. 3 is track train collision test method provided in an embodiment of the present invention and system
Simplified schematic diagram, this in figure power car is located at the connection of unpowered front side；Fig. 4 is another kind track provided in an embodiment of the present invention
Train collision test method and the simplified schematic diagram of system, this in figure power car is located at unpowered car rear connection；Fig. 5 is the present invention
The schematic diagram of the track train impact test system that embodiment is provided.
Based on the track train collision test method for providing in above-described embodiment, present invention also offers a kind of track train
Impact test system, the track train impact test system includes track and impact test wall, also includes：
Test train, the test train includes the power car by can control hook connection and unpowered car, wherein moves
Power car 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 pre-conditioned judge module of speed；
Induction installation assembly, including the speed sensor for induced test train current vehicle speed, and test train position
The position induction device of the current location on the track；The induction installation assembly and master control set assembly communication connection.
By the power car of test train using the design of the dual-purpose engineering truck of rail, make power car depart from original ferrum
Rail track, breaks off unpowered car when needing, pre-conditioned by whether master control set assembly Pang Duan speed meets
So as to know the follow-up operation that whether breaks off relations.
The track train collision test method in above-described embodiment can be realized due to the track train impact test system,
So the beneficial effect of the track train impact test system refer to above-described embodiment.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, above-mentioned track train collision
In pilot system, the master control set assembly also includes memory module, and the memory module internal memory contains pre-set velocity scope
Characteristic, the memory module is communicated to connect with the judge module, and the judge module is by the spy of contrast current vehicle speed
The characteristic of data and pre-set velocity scope is levied, judges whether current vehicle speed meets speed pre-conditioned.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, above-mentioned track train collision
In pilot system, the power car is provided with the rail and wheel driving means of mutual switching and rubber tire wheel driver.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, above-mentioned track train collision
In pilot system, the power car is connected to the head of the unpowered car travel direction or afterbody.The present embodiment is provided
In technical scheme, the connected mode of test train includes power car in front or unpowered car in first two mode, the function on track
The relative position of section should also be adjusted correspondingly.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
Multiple modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (9)
1. a kind of track train collision test method, it is characterised in that include：
Step one, maintains the present speed for obtaining test train in section in the speed on acceleration orbit；
Step 2, judges whether the current vehicle speed of test train meets speed pre-conditioned, if it is, maintain current vehicle speed until
Step 3；If not, test train executes braking；
Step 3, after test train travels the unhook section for reaching on acceleration orbit, executes unhook action, in test train
Power car is turned and is sailed out of；Unpowered car in test train enters coasting-flight phase, drives towards impact test wall.
2. track train collision test method according to claim 1, it is characterised in that in the step 2, judges examination
Test train current vehicle speed whether meet speed pre-conditioned be specially：
Judge the current vehicle speed of test train whether within pre-set velocity scope.
3. track train collision test method according to claim 2, it is characterised in that the step one also includes：
Drive the unpowered car to be accelerated on acceleration orbit by the power car, make speed reach pre-set velocity scope
Interior.
4. the track train collision test method according to any one of claims 1 to 3, it is characterised in that the step 3
In, power car turn sail out of including：The power car drives from rail and wheel and switches to rubber-tired cart wheel drive, accelerates afterwards, turns
Curved depart from the acceleration orbit.
5. track train collision test method according to claim 4, it is characterised in that in the step 2, test row
Car also includes after executing braking：
The test train reverse travel reaches starting point, stops, reversely accelerates.
6. a kind of track train impact test system, including track and impact test wall, it is characterised in that also include：
Test train, the test train includes the power car by can control hook connection and unpowered car, wherein power car
For the dual-purpose engineering truck of rail；
Master control set assembly, including for controlling the automatic Pilot control module of power car driver behavior, control hook to get loose
Link up with control module and judge whether the current vehicle speed of test train meets the pre-conditioned judge module of speed；
Induction installation assembly, including the speed sensor for induced test train current vehicle speed, and test train is located at rail
The position induction device of the current location on road；The induction installation assembly and master control set assembly communication connection.
7. track train impact test system according to claim 6, it is characterised in that the master control set assembly is also wrapped
Memory module is included, the memory module internal memory contains the characteristic of pre-set velocity scope, the memory module and the judgement
Module is communicated to connect, the characteristic of characteristic and pre-set velocity scope of the judge module by contrast current vehicle speed,
Judge whether current vehicle speed meets speed pre-conditioned.
8. track train impact test system according to claim 7, it is characterised in that the power car is provided with
The rail and wheel driving means for mutually switching and rubber tire wheel driver.
9. the track train impact test system according to claim 6,7 or 8, it is characterised in that the power car connection
Head or afterbody in the unpowered car travel direction.
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| CN201610858894.7A CN106441955B (en) | 2016-09-28 | 2016-09-28 | A kind of track train collision test method and system |
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| CN201610858894.7A CN106441955B (en) | 2016-09-28 | 2016-09-28 | A kind of track train collision test method and system |
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Cited By (6)
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| CN108507806A (en) * | 2018-03-14 | 2018-09-07 | 中南大学 | Train occupant's secondary collision pilot system and method |
| CN110285987A (en) * | 2019-07-22 | 2019-09-27 | 株洲时代电子技术有限公司 | A kind of rail vehicle route collision test method |
| CN110308001A (en) * | 2019-07-22 | 2019-10-08 | 株洲时代电子技术有限公司 | A kind of route impact test driving vehicle intelligent drives method |
| CN111076955A (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 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108507806A (en) * | 2018-03-14 | 2018-09-07 | 中南大学 | Train occupant's secondary collision pilot system and method |
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| CN111076955A (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 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 |
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| 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 |
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| CN110285987A (en) * | 2019-07-22 | 2019-09-27 | 株洲时代电子技术有限公司 | A kind of rail vehicle route collision test method |
| CN110308001A (en) * | 2019-07-22 | 2019-10-08 | 株洲时代电子技术有限公司 | A kind of route impact test driving vehicle intelligent drives method |
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