CN105890917B - Traction braking pilot system - Google Patents
Traction braking pilot system Download PDFInfo
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- CN105890917B CN105890917B CN201610405203.8A CN201610405203A CN105890917B CN 105890917 B CN105890917 B CN 105890917B CN 201610405203 A CN201610405203 A CN 201610405203A CN 105890917 B CN105890917 B CN 105890917B
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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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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention proposes a kind of traction braking pilot system, for the trailer system of rail traffic vehicles and/or the test of braking system, including the testing stand for simulating vehicle transmission system and simulating vehicle load inertia, measurement and control unit, and the semi-physical emulation platform of simulation permutation vehicle, wherein, which includes the electrical motor gearshift unit, flywheel inertia analogue unit and the hub unit for simulating tested vehicle wheel shaft being sequentially connected；Measurement and control unit includes the second signal analog platform of controller, traction control unit, traction converter, electrodynamic braking control unit and brak control unit, the first signal imitation platform of simulating brake signal, simulation traction signal.Trailer system is integrated with braking system and is tested by this pilot system, it can be realized motor-car, urban rail plurality of specifications axis weight, simulate the mutual cooperation test of trailer system and braking system in uniaxial situation, improve test efficiency, shorten the new-product development period, reduces the entrucking time on probation.
Description
Technical field
The present invention relates to the field of test technology more particularly to a kind of traction braking pilot systems of rail traffic vehicles.
Background technique
Rail traffic vehicles have two sets of independent braking systems, i.e. electric braking (ED system such as motor-car and city rail vehicle
It is dynamic) and electric pneumatic breaking (EP braking).It is preferential to use the electric braking without abrasion in service braking；When speed is set a certain
Air damping replacement electric braking (composite braking) is implemented in definite value (such as 10km/h) low-speed range below, to guarantee from electric braking
Impact is smaller when being transformed into air damping；When for emergency braking, each axis is all made of air damping, while on line shaft in addition
Apply electric braking.
And electric braking is provided by trailer system, air damping is then provided by braking system, rail vehicle traction, braking system
A large amount of experimental study and verifying work will be carried out in R & D of complex, and after being tested on respective testing stand
Entrucking.Existing test, which is drawn, and braking system is not since it carries out mutual compatibility test leads to both sides' product loading
It needs to take considerable time afterwards to adjust the relationship of electric braking and air damping, until realizing mutual cooperation and smooth transition.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of traction braking pilot system, which is by traction
System is integrated with braking system to be tested, and motor-car, urban rail plurality of specifications axis weight can be tested, and is simulated and is drawn in uniaxial situation
The respective test and the mutual cooperation of trailer system and braking system test of system, braking system, improve test efficiency, shorten
The new-product development period reduces the entrucking time on probation.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of traction braking pilot system, for the trailer system of rail traffic vehicles and/or the test of braking system, packet
The testing stand for simulating vehicle transmission system and simulating vehicle load inertia is included, for testing and the observing and controlling of Control experiment platform
Unit, and simulation permutation vehicle semi-physical emulation platform, wherein the testing stand include the electrical motor gearshift unit being sequentially connected,
Flywheel inertia analogue unit and hub unit for simulating tested vehicle wheel shaft；Measurement and control unit includes controller, traction control
First signal imitation of unit, traction converter, electrodynamic braking control unit and brak control unit, simulating brake signal processed is put down
Platform, the second signal analog platform for simulating traction signal.
It is advanced optimized as of the invention, passes through connecting flange between electrical motor gearshift unit and flywheel inertia analogue unit
Connection, flywheel inertia analogue unit are connect with hub unit by first shaft coupling and second shaft coupling, wherein first
The first torsion sensor is provided between axis device and second shaft coupling.
It is advanced optimized as of the invention, electrical motor gearshift unit includes that the variable-speed unit installation that can be placed in plane is put down
Platform is provided with traction electric machine identical with tested vehicle on variable-speed unit mounting platform, and can be set not according to tested vehicle
It with the gearbox of reduction ratio, is wherein connected between traction electric machine and gearbox by the 4th shaft coupling, is arranged on the 4th shaft coupling
There is the second torque sensor.
It is advanced optimized as of the invention, flywheel inertia analogue unit includes flywheel shaft, one end of flywheel shaft and connection
Flange is connected, and the other end is connected with second shaft coupling, fixed flywheel is provided on flywheel shaft, and can be according to tested vehicle wheel
The removable flywheel of the disassembly of wheel bearing reselection procedure or addition is bolted between removable flywheel and fixed flywheel.
Advanced optimized as of the invention, flywheel inertia simulation is single be it is multiple, between each flywheel inertia analogue unit
Connected by third shaft coupling.
It is advanced optimized as of the invention, being provided between the 4th shaft coupling and traction electric machine is being more than setting load energy
Automatically cut off the safety coupling of torque transmitting.
Advanced optimized as of the invention, measurement and control unit also include microsystem, pressure sensor, torque sensor,
Temperature sensor, infrared sensor, air velocity transducer, voltage sensor, current sensor, coulometric analysis instrument, double track numbers are shown
Wave device and control cabinet pass through network connection between control cabinet and traction convertor；Microsystem includes that current transformer can be read
Working condition and can show current transformer operation and the industrial personal computer of fault code, AI DI card, address card, for test monitoring test
Every test data in the process.
It is advanced optimized as of the invention, traction braking pilot system further includes that lubricating oil cooling can be provided for gearbox
Lubrication unit.
It is advanced optimized as of the invention, traction braking pilot system further includes each output data on energy monitoring test platform
Monitoring unit.
It is advanced optimized as of the invention, traction braking pilot system further includes having ventilation device, simulates train operation
Wind speed, while the dust generated when braking can be discharged, completely cut off noise.
Compared with prior art, the advantages and positive effects of the present invention are:
1, traction braking pilot system of the invention, trailer system is integrated with braking system and is tested, energy
Motor-car, urban rail plurality of specifications axis weight are enough tested, the respective test and traction of trailer system in uniaxial situation, braking system are simulated
The mutual cooperation of system and braking system is tested, and control strategy is adjusted, according to load change to realize adjust automatically tractive force, system
The optimization of power, fault simulation and fault diagnosis processing function improve test efficiency, shorten the new-product development period, reduce
The entrucking time on probation；
2, the present invention is to meet the test requirements document of different automobile types, provides the mechanical interface, electric interfaces, gas being conveniently replaceable
Road interface etc..It is different by test specimen, tooling by replacing, it can complete accordingly to test, improve the compatibility of equipment.
3, high degree of automation of the present invention, pull-in control system, braking control system all pass through network and TT&C system is handed over
Mutually, receive host computer instruction, feedback signal is provided, simplify and simulate control equipment cumbersome on vehicle, configuration multiple sensors are (such as
Torque sensor, temperature sensor, infrared sensor, thermocouple etc.), in real time acquisition test when data (tractive force, brake force,
Brake disc temperature, braking distance), real-time display tests process and result.
4, traction braking pilot system of the invention builds half material object using single wheel shaft operation data in kind as mathematical model
Emulation platform, so as to simulate the traction braking test of permutation vehicle, more close to truth；
5, traction braking pilot system of the invention, in order to guarantee that only braking system is done experiment or only trailer system is done
It tests, signal imitation platform is provided in the present invention, to be used to generate traction signal and brake signal, for test simulation.
Detailed description of the invention
Fig. 1 is the integral layout schematic diagram of traction braking pilot system of the present invention；
Fig. 2 is the schematic diagram of traction braking pilot system of the present invention；
Fig. 3 is the perspective view of testing stand in traction braking pilot system of the present invention；
Fig. 4 is the main view of testing stand in traction braking pilot system of the present invention；
Fig. 5 is the top view of testing stand in traction braking pilot system of the present invention；
Fig. 6 is the main view of electrical motor gearshift unit in Fig. 4；
Fig. 7 is the top view of electrical motor gearshift unit in Fig. 4；
Fig. 8 is the top view of flywheel inertia analogue unit in Fig. 4；
Fig. 9 is the cross-sectional view of A-A in Fig. 8；
Figure 10 is the main view of hub unit.
In above each figure: 1, flywheel inertia analogue unit；2, electrical motor gearshift unit；3, hub unit；31, simulating wheel；
32, brake disc mounting platform；33, wheel shaft；4, flywheel mounting seat；5, connecting flange；6, sensor base；7, the first torsion passes
Sensor；8, first shaft coupling；9, second shaft coupling；10, third shaft coupling；11, gearbox；12, the second torsion sensor；13,
4th shaft coupling；14, traction electric machine；15, position adjusting rod；16, variable-speed unit mounting platform；17, fixed flywheel；18, removable
Flywheel；19, flywheel shaft.
Specific embodiment
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one
In the case where step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiments
In.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "lower", "front", "rear"
Set relationship be positional relationship based on the figure, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitation of the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
Referring to figure 1, figure 2 and figure 3, as shown in Figure 1-Figure 3, traction braking pilot system of the invention is used for rail traffic
The trailer system of vehicle and/or the test of braking system, including it is used for simulating vehicle transmission system and simulating vehicle load
Property testing stand, for testing and the measurement and control unit of Control experiment platform, and the semi-physical emulation platform of simulation permutation vehicle,
In, which includes the electrical motor gearshift unit 2 being sequentially connected, flywheel inertia analogue unit 1 and for simulating tested vehicle
The hub unit 3 of wheel shaft；Measurement and control unit include controller, traction control unit, traction converter, electrodynamic braking control unit and
Brak control unit, simulating brake signal the first signal imitation platform, simulate traction signal second signal analog platform.
Among the above, controller is to configure current urban rail, the common two kinds of controllers of EMU, for drawing, brake operating.
Controller signal is connected to traction control unit, brak control unit and industrial personal computer.
In order to guarantee independent brake system do experiment or individually trailer system test needs, be equipped with above-mentioned first signal
Analog platform and second signal analog platform pass through the first signal imitation platform for generating traction signal or brake signal
The traction signal of simulation is provided, to individually test trailer system；And the system of simulation is provided by second signal analog platform
Dynamic signal, to individually test braking system.Simultaneously in order to more emulate, the braking of the first signal imitation platform offer
Signal is provided by braking system manufacturer, and the traction signal that second signal analog platform provides is mentioned by trailer system manufacturer
For to realize the traction signal and brake signal consistent with tested vehicle.Such as it to individually carry out retardation test, brakes
System needs are interacted with trailer system and could be worked normally, this is just to need to simulate traction model to pass to braking system, so as to
Braking system operates normally.
Above-mentioned traction control unit is controlled for drawing with electric braking, is needed and electrodynamic braking control unit during test
Information exchange is carried out with industrial personal computer.
Measurement and control unit also includes microsystem, pressure sensor, torque sensor, temperature sensor, infrared sensor, wind
Fast sensor, voltage sensor, current sensor, coulometric analysis instrument, double track digital oscilloscopes and control cabinet, control cabinet with lead
Draw and passes through network connection between current transformer；Microsystem includes that the working condition of current transformer can be read and can show that current transformer is run
And the industrial personal computer of fault code, AI DI card, address card, for every test data during test monitoring test.
Wherein, microsystem include industrial personal computer, AI DI card, address card, for every examination during test monitoring test
Test data.
Above-mentioned traction convertor is that can be passed by network by test specimen for traction and electric braking, the data during testing
It is defeated to show, store and inquire to host computer.Braking resistor is needed to absorb traction electric machine regenerative braking when urban rail, motor-car electric braking
Energy.According to vehicle and test requirements document, the braking resistor of corresponding power is configured.And network system is equipped with WTB, MVB, CAN, RS-
485 equal latticed forms, by changing the outfit, different Network Interface Modules is converted.
Network system be used for each car transmit braking or traction instruction, it can also be used to each vehicle VVVF (traction invertor) it
Between, between EBCU, information communication is carried out between VVVF and EBCU, also the information of each vehicle can be transmitted to TT&C system, tested
It is assembled according to demand in journey.
The function of software systems mainly carries out calculation processing to collected test signal, is converted to test data and figure
Shape is shown on the table, and obtained test data is compared with normal data, judges whether test result is qualified.It can be with
Pass through software set test parameters, the tractive force and brake application curve of playback lines acquisition.
Among the above, it is operated by controller and acts model to traction control unit and brak control unit sending, by interior
Portion's control logic, to adjust torque and the revolving speed of traction electric machine, electric braking controls traction control unit control traction convertor
Unit and brak control unit control brake force, distribute electric braking and air brake force, and brake is that end effector mechanism is real
The deceleration of existing wheel.Trailer system is integrated with braking system and is tested, can be realized motor-car, urban rail plurality of specifications axis
Weight simulates the respective test and the mutual cooperation of trailer system and braking system of trailer system in uniaxial situation, braking system
Test has exempted from the matching bad phenomenon of trailer system, braking system respectively after independent experiment and entrucking, has improved test efficiency,
Shorten the new-product development period, reduces the entrucking time on probation.
It is the perspective view of testing stand, main view and top view in the present invention respectively with further reference to Fig. 3-Fig. 5.Such as figure
It shown in 3- Fig. 5, is connected between electrical motor gearshift unit 2 and flywheel inertia analogue unit 1 by connecting flange 5, flywheel inertia simulation
Unit 1 is connect with hub unit 3 by first shaft coupling 8 and second shaft coupling 9, wherein in first shaft coupling 8 and second
The first torsion sensor 7 is provided between axis device 9.
In conjunction with referring to Fig. 6 and Fig. 7, as shown, above-mentioned electrical motor gearshift unit 2 includes the speed change that can be placed in plane
Unit mounting platform 16 is provided with traction electric machine 14 identical with tested vehicle on variable-speed unit mounting platform 16, and can root
The gearbox 11 of different reduction ratio is set according to tested vehicle, gearbox 11 can export a variety of reduction ratio, according to different automobile types tune
Whole similar reduction ratio, using circulating cooling mode lubrication cooling；The side of gearbox 11 is provided with adjustable gearbox location
Position adjusting rod 15；Wherein connected between traction electric machine 14 and gearbox 11 by the 4th shaft coupling 13；4th shaft coupling 13 with
Being provided between traction electric machine 14 is being more than to set load to automatically cut off the safety coupling of torque transmitting, prevents accident
Cause that torque is excessive and damages motor；The second torque sensor 12 is provided on 4th shaft coupling 13.
Fly in conjunction with referring to Fig. 8 and Fig. 9 as shown, flywheel inertia analogue unit 1 of the invention includes flywheel shaft 19
One end of wheel shaft 19 is connected with connecting flange 5, and the other end is connected with second shaft coupling 9, and fixed flywheel is provided on flywheel shaft 19
17, and the removable flywheel 18 that can be dismantled or add according to tested vehicle wheel hub bearing reselection procedure, removable flywheel 18 with it is solid
Determine to be bolted between flywheel 17, by the combination of removable flywheel and fixed flywheel, can be realized different wheel journal axle weights
10t, 11t, 12t, 13t, 14t, 15t, 16t, 17t, 18t can meet the essentially all of axis weight of current motor-car urban rail substantially.
It is the main view of hub unit in the present invention referring to Figure 10.As shown in Figure 10, hub unit of the invention includes wheel
Axis 33, is mounted on the simulating wheel 31 of 33 two sides of wheel shaft, and the brake disc mounting platform 32 being mounted between simulating wheel.
In addition, since inertia is related with flywheel diameter, and consider flywheel linear velocity, comprehensively consider flywheel diameter, simulates 18t
The corresponding flywheel mass of axis loaded vehicle is about 18t, is so such as only concentrated on flywheel on one, quality is too big, therefore of the invention
Flywheel inertia analogue unit 1 be it is multiple, between each flywheel inertia analogue unit 1 by third shaft coupling 10 connect；This flies
Taking turns inertia simulation unit is preferably two.
Hub unit of the invention is used for simulating vehicle wheel shaft, applies brake load on it.Hub unit includes vehicle
Wheel shaft, bearing block, mounting platform, torque sensor and shaft coupling, wherein vehicle axles based on real vehicle structure, and for meet
The needs of connection are provided with reserved shaft part in wheel hub side, to install shaft coupling.Installation wheel dress braking in vehicle axles
Disk and axle-mounted brake disk, to meet the needs of retardation test, axle bearing is also using test vehicle model bearing.In addition, this hair
Bearing block in bright is split type structure, in order to replace wheel pair.
In addition, traction braking pilot system of the invention further includes that can provide lubrication oil cooled lubrication list for gearbox 11
Member can make lubricating oil be in suitable operating temperature by lubrication unit, guarantee that gearbox is in normal operating conditions, mainly
Including Lubricating-oil Station, divide oil system, oil cooling machine, which is that those skilled in the art can readily occur in, herein not
It repeats.
Traction braking pilot system of the invention further includes the monitoring unit of each output data on energy monitoring test platform, can be supervised
The data of survey include being not limited to bearing temperature, transmitting torque, power of motor, lubricating oil temperature, if test parameters is more than critical value
That is automatic alarm or shutdown.Connect the display that can show test data on testing stand outside traction braking pilot system.
Traction braking pilot system of the invention further includes having ventilation device, simulates train operation wind speed, while can be discharged
The dust generated when braking completely cuts off noise.
Through the invention, testing stand can to different braking force distribution modes, electric-pneumatic blend brake mode, communication modes,
The functions such as transmission mode are instructed to carry out experimental study and detection, it can be to the performance of vehicle tractive torque, speed, motor and current transformer
Parameter, braking distance, braking deceleration, braking time, brake force, thermic load etc. are tested.Pilot system can satisfy
Municipal rail train, the single axis traction of 250km/h EMU, retardation test within 120km/h.Content of the test include: current transformer test,
Pulling test, electric braking test, composite braking test, test on air brake, friction pair are tested, according to load change adjust automatically
Tractive force, the test of brake force, fault simulation and the test of fault diagnosis processing function.
Claims (10)
1. a kind of traction braking pilot system, special for the trailer system of rail traffic vehicles and/or the test of braking system
Sign is: including the testing stand for simulating vehicle transmission system and simulating vehicle load inertia, for testing and controlling examination
Test the measurement and control unit of platform, and the semi-physical emulation platform of simulation permutation vehicle, wherein the testing stand includes the motor being sequentially connected
Variable-speed unit (2), flywheel inertia analogue unit (1) and the hub unit (3) for simulating tested vehicle wheel shaft；Measurement and control unit
Including controller, traction control unit, traction converter, electrodynamic braking control unit and brak control unit, simulating brake letter
Number the first signal imitation platform, simulate traction signal second signal analog platform；Controller is to traction control unit and system
Dynamic control unit issues action signal, and traction control unit controls traction convertor, electric braking control unit and control for brake list
Member control brake force, distributes electric braking and air brake force.
2. traction braking pilot system according to claim 1, it is characterised in that: electrical motor gearshift unit (2) and flywheel are used
It measures and is connected between analogue unit (1) by connecting flange (5), flywheel inertia analogue unit (1) and hub unit (3) pass through first
Shaft coupling (8) and second shaft coupling (9) connection, wherein be provided between first shaft coupling (8) and second shaft coupling (9)
First torsion sensor (7).
3. traction braking pilot system according to claim 2, it is characterised in that: electrical motor gearshift unit (2) includes that can pacify
The variable-speed unit mounting platform (16) being put in plane is provided on variable-speed unit mounting platform (16) identical with tested vehicle
Traction electric machine (14), and the gearbox (11) of different reduction ratio can be set according to tested vehicle, wherein traction electric machine (14) with
It is connected between gearbox (11) by the 4th shaft coupling (13), is provided with the second torque sensor on the 4th shaft coupling (13)
(12)。
4. traction braking pilot system according to claim 2 or 3, it is characterised in that: flywheel inertia analogue unit (1) packet
It includes flywheel shaft (19), one end of flywheel shaft (19) is connected with connecting flange (5), and the other end is connected with second shaft coupling (9), flywheel
Be provided on axis (19) fixed flywheel (17), and can according to tested vehicle wheel hub bearing reselection procedure dismantle or add can
It tears open flywheel (18), is bolted between removable flywheel (18) and fixed flywheel (17).
5. traction braking pilot system according to claim 4, it is characterised in that: flywheel inertia analogue unit (1) is more
It is a, it is connected by third shaft coupling (10) between each flywheel inertia analogue unit (1).
6. traction braking pilot system according to claim 3, it is characterised in that: the 4th shaft coupling (13) and traction electric machine
(14) be provided between is being more than to set load to automatically cut off the safety coupling of torque transmitting.
7. traction braking pilot system according to claim 1, it is characterised in that: measurement and control unit also include microsystem,
Pressure sensor, torque sensor, temperature sensor, infrared sensor, air velocity transducer, voltage sensor, current sensor,
Coulometric analysis instrument, double track digital oscilloscopes and control cabinet, pass through network connection between control cabinet and traction convertor；Microcomputer system
System include the working condition of current transformer can be read and can show current transformer operation and the industrial personal computer of fault code, AI DI card, communicate
Card, for every test data during test monitoring test.
8. traction braking pilot system according to claim 1, it is characterised in that: traction braking pilot system further includes energy
It is provided for gearbox (11) and lubricates oil cooled lubrication unit.
9. traction braking pilot system according to claim 1, it is characterised in that: traction braking pilot system further includes energy
The monitoring unit of each output data on monitoring test platform.
10. traction braking pilot system according to claim 1, it is characterised in that: traction braking pilot system further includes
There is ventilation device, simulate train operation wind speed, while the dust generated when braking can be discharged, completely cuts off noise.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405203.8A CN105890917B (en) | 2016-06-07 | 2016-06-07 | Traction braking pilot system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405203.8A CN105890917B (en) | 2016-06-07 | 2016-06-07 | Traction braking pilot system |
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| CN105890917A CN105890917A (en) | 2016-08-24 |
| CN105890917B true CN105890917B (en) | 2019-01-25 |
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| CN108008639A (en) * | 2016-10-31 | 2018-05-08 | 中车大同电力机车有限公司 | The system digitalized emulation platform of electric locomotive microcomputer network control based on Life cycle |
| CN106895982A (en) * | 2017-02-24 | 2017-06-27 | 中车青岛四方车辆研究所有限公司 | Traction braking integrated test system for performance |
| CN107202702A (en) * | 2017-07-14 | 2017-09-26 | 深圳大学 | A kind of simulation system of track traffic |
| CN107479402A (en) * | 2017-08-22 | 2017-12-15 | 中车青岛四方车辆研究所有限公司 | Electric braking simulation system, Simulation of Brake platform and electric braking analogy method |
| CN107741333B (en) * | 2017-10-12 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | The pilot system and test method of frame control braking system |
| CN110441077B (en) * | 2018-05-04 | 2021-03-02 | 中车齐齐哈尔车辆有限公司 | Simulation system, method and device for train brake |
| CN108896328A (en) * | 2018-07-11 | 2018-11-27 | 杭州齐顺轨道交通科技有限公司 | Tramcar single-train test platform |
| CN113324771A (en) * | 2020-02-28 | 2021-08-31 | 株洲中车时代电气股份有限公司 | Train line resistance simulation test system and test method |
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| CN203643176U (en) * | 2013-12-08 | 2014-06-11 | 湖南省大中型电机电控产品质量监督检验中心 | Test bench of narrow rail mining electric locomotive |
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