CN105890917A - Traction brake test system - Google Patents
Traction brake test system Download PDFInfo
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- CN105890917A CN105890917A CN201610405203.8A CN201610405203A CN105890917A CN 105890917 A CN105890917 A CN 105890917A CN 201610405203 A CN201610405203 A CN 201610405203A CN 105890917 A CN105890917 A CN 105890917A
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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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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a traction brake test system used for testing traction systems and/or braking systems of rail transit vehicles. The traction brake test system comprises a test table, a measurement and control unit and a semi-physical simulation platform, wherein the test table is used for simulating vehicle transmission systems and vehicle load inertia and comprises a motor speed change unit, a flywheel inertia simulation unit and an axle unit used for simulating the axle of a tested vehicle which are sequentially connected with one another; the measurement and control unit comprises a driver controller, a traction control unit, a traction current converter, an electrodynamic braking control unit and a braking control unit, a first signal simulation platform for simulating a brake signal, and a second signal simulation platform for simulating a traction signal. According to the test system, the traction system and the braking system are integrated for testing, axle loads of multiple specifications of motor cars and urban rails can be realized, an interactive test of the traction system and the braking system under the uniaxial condition is simulated, the testing efficiency is improved, the research and development cycle of novel products is shortened, and the loading trial time is shortened.
Description
Technical field
The present invention relates to technical field of measurement and test, particularly relate to the traction braking pilot system of a kind of rail traffic vehicles.
Background technology
Rail traffic vehicles, such as motor-car and city rail vehicle, it all has the brakes that two sets are independent, i.e. electric braking (ED braking) and electric pneumatic breaking (EP braking).In the case of service braking, the preferential electric braking used without abrasion；In the following low-speed range of a certain setting value (such as 10km/h), implement air damping when speed and replace electric braking (composite braking), less to ensure to impact when electric braking is transformed into air damping；During for brake hard, each axle all uses air damping, additionally applies electric braking on line shaft simultaneously.
And electric braking is provided by trailer system, air damping is then provided by brakes, and rail vehicle traction, brakes will carry out substantial amounts of experimental study and checking work, and entrucking after testing on respective testing stand in R & D of complex.Existing test traction and brakes, do not carry out mutual compatibility test due to it, needs to take considerable time the relation adjusting electric braking with air damping after causing both sides' product loading, until realizing cooperating and smooth transition.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of traction braking pilot system, trailer system is integrated with brakes and tests by this pilot system, motor-car, urban rail plurality of specifications axle weight can be tested, trailer system, each test of brakes and trailer system and the test that cooperates of brakes in the case of simulation single shaft, improve test efficiency, shorten the new-product development cycle, reduce the time that entrucking is on probation.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of traction braking pilot system, trailer system and/or the test of brakes for rail traffic vehicles, including for simulating vehicle drive system and the testing stand of simulating vehicle load inertia, for test and the measurement and control unit of Control experiment platform, and the semi-physical emulation platform of simulation permutation car, wherein, this testing stand includes the electrical motor gearshift unit being sequentially connected, flywheel inertia analogue unit and for simulating the hub unit of tested vehicle wheel shaft；Measurement and control unit includes controller, traction control unit, traction converter, electrodynamic braking control unit and brak control unit, the first signal imitation platform of simulating brake signal, the secondary signal analog platform of simulation traction signal.
Further optimization as the present invention, it is connected by adpting flange between electrical motor gearshift unit with flywheel inertia analogue unit, flywheel inertia analogue unit is connected by the first shaft coupling and the second shaft coupling with hub unit, wherein, between the first shaft coupling and the second shaft coupling, the first torsion sensor it is provided with.
Further optimization as the present invention, electrical motor gearshift unit includes the variable-speed unit mounting platform can being placed in plane, the traction electric machine identical with tested vehicle it is provided with on variable-speed unit mounting platform, and the change speed gear box of different speed reducing ratio can be set according to tested vehicle, wherein it is connected by the 4th shaft coupling between traction electric machine with change speed gear box, the 4th shaft coupling is provided with the second torque sensor.
Further optimization as the present invention, flywheel inertia analogue unit includes flywheel shaft, one end of flywheel shaft is connected with adpting flange, the other end and the second shaft coupling are connected, fixing flywheel it is provided with on flywheel shaft, and can be bolted between removable flywheel and fixing flywheel according to the dismounting of tested vehicle wheel hub bearing reselection procedure or the removable flywheel added.
As the further optimization of the present invention, flywheel inertia simulation is single is multiple, is all connected by the 3rd shaft coupling between each flywheel inertia analogue unit.
As the further optimization of the present invention, it is provided with between the 4th shaft coupling and traction electric machine and sets load and can automatically cut off the safety coupling of moment of torsion transmission exceeding.
Further optimization as the present invention, measurement and control unit also comprises microsystem, pressure transducer, torque sensor, temperature sensor, infrared sensor, air velocity transducer, voltage sensor, current sensor, coulometric analysis instrument, double track digital oscilloscope and switch board, is connected by network between switch board with traction convertor；Microsystem include the duty that can read current transformer and can show current transformer run and the industrial computer of failure code, AI DI card, address card, the every test data in test monitoring process of the test.
As the further optimization of the present invention, traction braking pilot system also includes to provide lubrication oil cooled lubrication unit for change speed gear box.
As the further optimization of the present invention, traction braking pilot system also includes each monitoring means exporting data on energy monitoring test platform.
As the further optimization of the present invention, traction braking pilot system also includes ventilation unit, simulates train operation wind speed, and the dust produced when simultaneously can discharge braking completely cuts off noise.
Compared with prior art, advantages of the present invention and having the active effect that
1, the traction braking pilot system of the present invention, trailer system is integrated with brakes and tests by it, motor-car, urban rail plurality of specifications axle weight can be tested, trailer system, each test of brakes and trailer system and the test that cooperates of brakes in the case of simulation single shaft, adjust control strategy, according to load change to realize automatically adjusting the optimization of pull strength, brake force, fault simulation and fault diagnosis process function, improve test efficiency, shorten the new-product development cycle, reduce the time that entrucking is on probation；
2, the present invention is to meet the test requirements document of different automobile types, it is provided that the mechanical interface that is conveniently replaceable, electric interfaces, air-path interface etc..Different by test specimen, frock by changing, just can complete to test accordingly, improve the compatibility of equipment.
3, automaticity of the present invention is high, it is mutual with TT&C system that pull-in control system, braking control system all pass through network, accept host computer instruction, feedback signal is provided, simplify and simulate control equipment loaded down with trivial details on car, configuration multiple sensors (such as torque sensor, temperature sensor, infrared sensor, thermocouple etc.), data (pull strength, brake force, brake disc temperature, braking distance), in real time display process of the test and result during Real-time Collection test.
4, the traction braking pilot system of the present invention, with single wheel shaft service data in kind as mathematical model, builds semi-physical emulation platform, such that it is able to the traction braking test of simulation permutation car, more presses close to truth；
5, the traction braking pilot system of the present invention, in order to ensure that only brakes is done experiment or only trailer system is done experiment, and is provided with signal imitation platform in the present invention, for generating traction signal and brake signal, for test simulation.
Accompanying drawing explanation
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 axonometric chart of testing stand in traction braking pilot system of the present invention；
Fig. 4 is the front 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 front 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 sectional view of A-A in Fig. 8；
Figure 10 is the front view of hub unit.
In the most 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, adpting flange；6, sensor base；7, the first torsion sensor；8, the first shaft coupling；9, the second shaft coupling；10, the 3rd shaft coupling；11, change speed gear box；12, the second torsion sensor；13, the 4th shaft coupling；14, traction electric machine；15, position adjustments bar；16, variable-speed unit mounting platform；17, fixing flywheel；18, removable flywheel；19, flywheel shaft.
Detailed description of the invention
Below, by exemplary embodiment, the present invention is specifically described.It should be appreciated, however, that in the case of not being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated in other embodiments.
In describing the invention, it should be noted that, term " on ", D score, the orientation of the instruction such as "front", "rear" or position relationship be based on position relationship shown in the drawings, it is for only for ease of the description present invention and simplifies description, rather than instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
See Fig. 1, Fig. 2 and Fig. 3, as shown in Figure 1-Figure 3, the traction braking pilot system of the present invention, trailer system and/or the test of brakes for rail traffic vehicles, including for simulating vehicle drive system and the testing stand of simulating vehicle load inertia, for test and the measurement and control unit of Control experiment platform, and the semi-physical emulation platform of simulation permutation car, wherein, this testing stand includes the electrical motor gearshift unit 2 being sequentially connected, flywheel inertia analogue unit 1 and for simulating the hub unit 3 of tested vehicle wheel shaft；Measurement and control unit includes controller, traction control unit, traction converter, electrodynamic braking control unit and brak control unit, the first signal imitation platform of simulating brake signal, the secondary signal analog platform of simulation traction signal.
In above-mentioned, controller be configure current urban rail, two kinds of controllers that EMUs are conventional, be used for drawing, brake operating.Controller signal is connected to traction control unit, brak control unit and industrial computer.
In order to ensure that independent brake system is done experiment or the needs of individually trailer system test, it is equipped with above-mentioned first signal imitation platform and secondary signal analog platform, for generating traction signal or brake signal, the traction signal of simulation is provided by the first signal imitation platform, thus individually trailer system is tested；And the brake signal of simulation is provided by secondary signal analog platform, thus individually brakes is tested.Simultaneously in order to more emulate, the brake signal that first signal imitation platform provides is provided by brakes manufacturer, and the traction signal that secondary signal analog platform provides is provided by trailer system manufacturer, to realize the traction signal consistent with tested vehicle and brake signal.Such as to individually be braked test, brakes needs could normally work alternately with trailer system, and this is to be accomplished by simulation traction model to pass to brakes, in order to brakes is properly functioning.
Above-mentioned traction control unit controls for traction and electric braking, needs with electrodynamic braking control unit and industrial computer that to carry out information mutual in process of the test.
Measurement and control unit also comprises microsystem, pressure transducer, torque sensor, temperature sensor, infrared sensor, air velocity transducer, voltage sensor, current sensor, coulometric analysis instrument, double track digital oscilloscope and switch board, is connected by network between switch board with traction convertor；Microsystem include the duty that can read current transformer and can show current transformer run and the industrial computer of failure code, AI DI card, address card, the every test data in test monitoring process of the test.
Wherein, microsystem include industrial computer, AI DI card, address card, the every test data in test monitoring process of the test.
Above-mentioned traction convertor is by test specimen, and for traction and electric braking, the data in process of the test can be transferred to host computer by network and show, store and inquire about.Braking resistor is needed to absorb the energy of traction electric machine regenerative braking when urban rail, motor-car electric braking.According to vehicle and test requirements document, the braking resistor of configuration corresponding power.And network system is provided with WTB, the latticed form such as MVB, CAN, RS-485, by changing the outfit, different Network Interface Modules is changed.
Network system is for transmitting braking or traction instruction to each car, can also be used between each car VVVF (traction invertor), between EBCU, carry out information communication between VVVF and EBCU, also the information of each car can be sent to TT&C system, process of the test is assembled according to demand.
The function of software system mainly carries out calculating process to the test signal collected, and changes into test data and is graphically displayed on desktop, and the test data obtained is compared with normal data, it is judged that result of the test is the most qualified.Software set test parameters, the pull strength of playback lines collection and brake application curve can be passed through.
In above-mentioned, operated by controller and send action model to traction control unit and brak control unit, through inner control logic, traction control unit controls traction convertor thus regulates torque and the rotating speed of traction electric machine, electric braking control unit and brak control unit control brake force, distribution electric braking and air-making power, brake is that end effector mechanism is to realize the deceleration of wheel.Trailer system is integrated with brakes and tests, it is capable of motor-car, urban rail plurality of specifications axle weight, trailer system, each test of brakes and trailer system and the test that cooperates of brakes in the case of simulation single shaft, exempt from the coupling bad phenomenon after trailer system, brakes each independent trials and entrucking, improve test efficiency, shorten the new-product development cycle, reduce the time that entrucking is on probation.
With further reference to Fig. 3-Fig. 5, it is the axonometric chart of testing stand, front view and top view in the present invention respectively.As shown in Figure 3-Figure 5, it is connected by adpting flange 5 between electrical motor gearshift unit 2 with flywheel inertia analogue unit 1, flywheel inertia analogue unit 1 is connected by the first shaft coupling 8 and the second shaft coupling 9 with hub unit 3, wherein, between the first shaft coupling 8 and the second shaft coupling 9, it is provided with the first torsion sensor 7.
In conjunction with seeing Fig. 6 and Fig. 7, as shown in the figure, above-mentioned electrical motor gearshift unit 2 includes the variable-speed unit mounting platform 16 can being placed in plane, the traction electric machine 14 identical with tested vehicle it is provided with on variable-speed unit mounting platform 16, and the change speed gear box 11 of different speed reducing ratio can be set according to tested vehicle, change speed gear box 11 can export multiple speed reducing ratio, adjusts similar speed reducing ratio according to different automobile types, uses circulating cooling mode lubrication cooling；The side of change speed gear box 11 is provided with the position adjustments bar 15 of scalable gearbox location；Wherein it is connected by the 4th shaft coupling 13 between traction electric machine 14 with change speed gear box 11；Be provided with between 4th shaft coupling 13 and traction electric machine 14 exceed set load can automatically cut off moment of torsion transmission safety coupling, prevent thunder bolt from causing moment of torsion excessive and damaging motor；The second torque sensor 12 it is provided with on 4th shaft coupling 13.
In conjunction with seeing Fig. 8 and Fig. 9, as shown in the figure, the flywheel inertia analogue unit 1 of the present invention includes flywheel shaft 19, one end of flywheel shaft 19 is connected with adpting flange 5, the other end and the second shaft coupling 9 are connected, fixing flywheel 17 it is provided with on flywheel shaft 19, and can be according to the dismounting of tested vehicle wheel hub bearing reselection procedure or the removable flywheel 18 added, it is bolted between removable flywheel 18 and fixing flywheel 17, combination by removable flywheel Yu fixing flywheel, it is capable of different wheel journal axle weight 10t, 11t, 12t, 13t, 14t, 15t, 16t, 17t, 18t, substantially current motor-car urban rail essentially all of axle weight can be met.
See Figure 10, be the front view of hub unit in the present invention.As shown in Figure 10, the hub unit of the present invention includes wheel shaft 33, is arranged on the simulating wheel 31 of wheel shaft 33 both sides, and the brake disc mounting platform 32 being arranged between simulating wheel.
Additionally, owing to inertia is relevant with flywheel diameter, and consider flywheel linear velocity, consider flywheel diameter, the simulation 18t corresponding flywheel mass of axle loaded vehicle is about 18t, and so as only concentrated on one by flywheel, quality is the biggest, therefore the flywheel inertia analogue unit 1 of the present invention is multiple, is all connected by the 3rd shaft coupling 10 between each flywheel inertia analogue unit 1；This flywheel inertia analogue unit is preferably two.
The hub unit of the present invention is used for simulating vehicle wheel shaft, applies brake load thereon.Hub unit includes vehicle axles, bearing block, mounting platform, torque sensor and shaft coupling, and wherein vehicle axles is based on real vehicle structure, and for meeting the needs connected, is provided with reserved shaft part in wheel hub side, in order to install shaft coupling.Installing in vehicle axles and take turns brake disk mounted and axle-mounted brake disk, to meet the needs of immobilization test, axle bearing also uses test vehicle model bearing.Separately, the bearing block in the present invention is split type structure, in order to change wheel right.
Additionally, the traction braking pilot system of the present invention also includes to provide lubrication oil cooled lubrication unit for change speed gear box 11, pass through lubrication unit, lubricating oil can be made to be in suitable operating temperature, ensure that change speed gear box is in normal operating conditions, mainly including Lubricating-oil Station, point oil system, oil cooling machine, this lubrication unit is what those skilled in the art can readily occur in, is not repeated herein.
The traction braking pilot system of the present invention also includes each monitoring means exporting data on energy monitoring test platform; the data that can monitor include being not limited to bearing temperature, transmission moment of torsion, power of motor, lubricating oil temperature, if test parameters exceedes marginal value i.e. automatic alarm or shutdown.Connect outside traction braking pilot system and can show the display testing data on testing stand.
The traction braking pilot system of the present invention also includes ventilation unit, simulates train operation wind speed, the dust produced when simultaneously can discharge braking, completely cuts off noise.
Pass through the present invention, vehicle tractive torque, speed, the performance parameter of motor and current transformer, braking distance, braking deceleration, braking time, brake force, thermic load etc. can be tested by testing stand by function research experiment and the detections such as different braking force distribution modes, electric-pneumatic blend brake mode, communication modes, instruction transmission means.Pilot system can meet municipal rail train, the single axis traction of 250km/h EMUs, immobilization test within 120km/h.Content of the test includes: current transformer test, pulling test, electric braking test, composite braking test, test on air brake, friction pair are tested, automatically adjusted pull strength, the test of brake force, fault simulation and fault diagnosis process function test according to load change.
Claims (10)
1. a traction braking pilot system, for the trailer system of rail traffic vehicles and/or brakes
Test, it is characterised in that: include for simulating vehicle drive system and the test of simulating vehicle load inertia
Platform, for test and the measurement and control unit of Control experiment platform, and the semi-physical emulation platform of simulation permutation car,
Wherein, this testing stand includes being sequentially connected electrical motor gearshift unit (2), flywheel inertia analogue unit (1) with
And for simulating the hub unit (3) of tested vehicle wheel shaft；Measurement and control unit includes controller, traction control list
Unit, traction converter, electrodynamic braking control unit and brak control unit, the first letter of simulating brake signal
Number analog platform, the secondary signal analog platform of simulation traction signal.
Traction braking pilot system the most according to claim 1, it is characterised in that: electrical motor gearshift unit
(2) being connected by adpting flange (5) with between flywheel inertia analogue unit (1), flywheel inertia simulation is single
Unit (1) is connected by the first shaft coupling (8) and the second shaft coupling (9) with hub unit (3), its
In, between the first shaft coupling (8) and the second shaft coupling (9), it is provided with the first torsion sensor (7).
Traction braking pilot system the most according to claim 2, it is characterised in that: electrical motor gearshift unit
(2) the variable-speed unit mounting platform (16) can being placed in plane, variable-speed unit mounting platform (16) are included
On be provided with the traction electric machine (14) identical with tested vehicle, and difference can be set according to tested vehicle and slow down
The change speed gear box (11) of ratio, wherein by the 4th shaft coupling (13) between traction electric machine (14) and change speed gear box (11)
Connect, the 4th shaft coupling (13) is provided with the second torque sensor (12).
4. according to the traction braking pilot system described in Claims 2 or 3, it is characterised in that: flywheel inertia
Analogue unit (1) includes that flywheel shaft (19), one end of flywheel shaft (19) are connected with adpting flange (5),
The other end and the second shaft coupling (9) are connected, and flywheel shaft (19) is provided with fixing flywheel (17), and
Can be according to the dismounting of tested vehicle wheel hub bearing reselection procedure or the removable flywheel (18) added, removable flywheel
(18) and it is bolted between fixing flywheel (17).
Traction braking pilot system the most according to claim 4, it is characterised in that: flywheel inertia is simulated
Unit (1) is multiple, all by the 3rd shaft coupling (10) between each flywheel inertia analogue unit (1)
Connect.
Traction braking pilot system the most according to claim 3, it is characterised in that: the 4th shaft coupling (13)
And be provided with between traction electric machine (14) exceed set load can automatically cut off moment of torsion transmission safe shaft coupling
Device.
Traction braking pilot system the most according to claim 1, it is characterised in that: measurement and control unit also wraps
Containing microsystem, pressure transducer, torque sensor, temperature sensor, infrared sensor, wind speed sensing
Device, voltage sensor, current sensor, coulometric analysis instrument, double track digital oscilloscope and switch board, control
It is connected by network between cabinet processed and traction convertor；Microsystem includes the duty that can read current transformer
And can show current transformer run and the industrial computer of failure code, AI DI card, address card, for test monitoring examination
Every test data during testing.
Traction braking pilot system the most according to claim 1, it is characterised in that: traction braking is tested
System also includes to provide lubrication oil cooled lubrication unit for change speed gear box (11).
Traction braking pilot system the most according to claim 1, it is characterised in that: traction braking is tested
System also includes each monitoring means exporting data on energy monitoring test platform.
Traction braking pilot system the most according to claim 1, it is characterised in that: traction braking is tested
System also includes ventilation unit, simulates train operation wind speed, the dust produced when simultaneously can discharge braking,
Isolation noise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405203.8A CN105890917B (en) | 2016-06-07 | 2016-06-07 | Traction braking pilot system |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
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| CN105890917A true CN105890917A (en) | 2016-08-24 |
| CN105890917B CN105890917B (en) | 2019-01-25 |
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|---|---|---|---|
| CN201610405203.8A Active CN105890917B (en) | 2016-06-07 | 2016-06-07 | Traction braking pilot system |
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| 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 |
| CN107741333A (en) * | 2017-10-12 | 2018-02-27 | 中车青岛四方车辆研究所有限公司 | The pilot system and method for testing of frame control brakes |
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| 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 |
| CN110441077A (en) * | 2018-05-04 | 2019-11-12 | 中车齐齐哈尔车辆有限公司 | Simulation system, the method and device of locomotive brake |
| 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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| 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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