CN202956281U - Train braking system comprehensive test table - Google Patents
Train braking system comprehensive test table Download PDFInfo
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- CN202956281U CN202956281U CN 201220709821 CN201220709821U CN202956281U CN 202956281 U CN202956281 U CN 202956281U CN 201220709821 CN201220709821 CN 201220709821 CN 201220709821 U CN201220709821 U CN 201220709821U CN 202956281 U CN202956281 U CN 202956281U
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Abstract
The utility model relates to a train braking system comprehensive test table. The train braking system comprehensive test table comprises motors, main shafts which are connected to output shafts of the motors, track wheels which are arranged on the main shafts, synchronous gear boxes and flywheels in linkage with the main shafts, a false vehicle in linkage with the track wheels, and a counter-force frame which is used for fixing the false vehicle, wherein the main shafts are fixed on a base through bearing seats; the flywheels are fixed on the base through supporting seats; driven wheels which are in embedded combination with the track wheels and a wheel braking device which is matched with the driven wheels are arranged on a steering frame; and a weight is placed in the false vehicle. Meanwhile, the train braking system comprehensive test table also comprises a speed change gear box in linkage with a flywheel group and a basic braking test device in linkage with an output shaft of the speed change gear box. By the train braking system comprehensive test table, test research on braking control policy, sliding control policy and basic braking can be realized, so the technical development of a braking system is promoted.
Description
Technical field
The utility model relates to a kind of Train experiment platform, is specifically related to a kind of train braking system multi-function test stand.
Background technology
Brake system is as Rail Transit System critical components such as high ferro, motor-car, subways, and the driving safety of train is played an important role.It is even more serious than losing the tractive force problem that brake system breaks down problem.By the regulating action of brake system, the security that train could change timely and accurately speed, realize stopping a train at a target point, realizes automatic car controlling and guarantee driving.The brake system static properties all can be detected by ground experiment at present, and dynamic property need complete at road test.Road test has the shortcomings such as the difficulty of coordination is large, cost is high, poor repeatability, the difficult realization of test condition.
The research direction of current existing Train experiment platform mostly is the dynamic performance test of car load or bogie, also relatively less for the multi-function test stand of simulation train braking system.And can realize simulating existing fare road test terms and conditions by development brake system multi-function test stand, and complete the test of brake system dynamic comprehensive, also can carry out every brake system investigation test simultaneously.
Granted publication number a kind of for disclosing in CN 101975670 B Chinese patents " a kind of device for stimulating braking characteristics of railway wheel pair, it comprises: fixed cell, with ground, be connected, connect basis for system provides; Power transmission and detecting unit, for driving wheel provides power drive, and the rotation speed change of detection driving wheel; Wheel to rotation detecting unit, detect wheel to rotation speed change; The load adjustment unit, to taking turns loading vertical force, and detect the size of vertical force; Braking and detecting unit, brake loading wheel, and detect the size of damping force; Wherein power transmission and detecting unit, wheel be to being installed on respectively on fixed cell with rotation detecting unit and braking and detecting unit, the load adjustment unit be installed on wheel to rotation detecting unit on.The device of invention is implemented the multistage brake function by brake unit; Setting multistage load by the load adjustment unit heavily changes with the simulation axle; Realize the driving wheel adjustment of rotational speed by servomotor; By change driving wheel with wheel to the adhesion of surface in contact Operating condition adjustment " technical scheme; and this invention only can the right braking procedure of analog wheel; measuring wheel is in different motion speed; the damping force size in different loads, different braking operating mode situation and the coasting test of research under different loads, various braking situation, i.e. relation between maximum braking force/maximum speed.And the brake condition of train that is virtually reality like reality that can not 1:1 in normal driving process is special as the research that meets retarded velocity rate of change and ride quality etc. is taken into account to the function of brake rigging experimental study simultaneously.
Therefore developing a kind of all-around test stand of can 1:1 real simulation train braking and feeding back related data is the problem that need solve.
The utility model content
The technical problems to be solved in the utility model is: propose a kind ofly can simulate the brake system multi-function test stand that the actual damped condition of train carries out brake test.
The utility model is that the technical scheme that solves the problems of the technologies described above proposition is: a kind of train braking system multi-function test stand, comprise motor, one end is connected to the main shaft of motor output shaft, be located at the rail wheel on described main shaft, described main shaft is fixed on pedestal by bearing seat, also comprise by synchronous gear box and described main shaft and form the flywheel of interlock and be erected at the false car on described rail wheel by reaction frame, described flywheel is fixed on pedestal by supporting seat, described false car owner will consist of bogie and the false car body be arranged on described bogie, described bogie be provided with described rail wheel tabling by motor car wheel and with the described wheel braking device matched by motor car wheel, be placed with in described false car body and intend heavy counterweight.
The beneficial effects of the utility model are:
The utility model is simulated the straight track of endless by rail wheel, this provides the realization of carrying out indoor train braking test may, and the 1:1 simulation of train on wheel rail relation in having realized reality by the method for placing counterweight in false car, realize the simulation of train actual motion energy by flywheel group Inertia Matching.It is worth mentioning that most: at the trial, by the wheel to reaching predetermined " speed ", braked, and the friction force of utilizing wheel to produce rail wheel friction is that damping force is stopped the rotation rail wheel, actual conditions when thereby the simulation train is braked in orbit, and simulate by flywheel the inertia that train loses.(flywheel with for driving the main shaft interlock of rail wheel rotation, therefore accurately the simulating reality train wheel at the braking procedure medium speed by fast and slow change procedure).By the train braking system multi-function test stand in the application can realize braking control strategy, slide control strategy, the experimental study of the aspect such as foundation brake, to improve the technical development of brake system.
Having improved of technique scheme:
Further improving and having a kind of train braking system multi-function test stand:
For test platform in the present invention is more suitable for, bogie is tested, described motor and main shaft are at least respectively two, on every main shaft, the quantity of set rail wheel is at least two, described synchronous gear box is at least two, every synchronous gear box is connected to the end end of every main shaft away from described motor accordingly, be connected with synchronizing shaft between described synchronous gear box, on the power output shaft of each synchronous gear box, go here and there and be provided with two groups of flywheels respectively.
To further improving of the wheel braking device with being matched by motor car wheel, be: described and wheel braking device that matched by motor car wheel is clamp brake rigging or tread foundation brake gear.
For test site is removed or discharged to the flue dust that will brake and produce during the single-deck brake test, and each brake unit that can produce amount of heat when the braking is carried out cooling, also be provided with ventilating dust-arrester.Simultaneously, for better simulation test environment, be provided with watering device.
In order to be tested and not needed to attach it on false car clamping device such as clamps simply and fastly, also comprise and the change speed gear box of flywheel group interlock and the foundation brake test unit linked with third motion shaft, described foundation brake test unit is mainly by the analog wheel clamp, the clamp fixed mount forms with the analog wheel that is provided with brake disc, described analog wheel is installed by the analog wheel bearing and is formed interlock with described third motion shaft, described change speed gear box and foundation brake test unit junction are provided with torque rotary speed sensor, be provided with analog wheel brake disc temperature sensor in the foundation brake test unit, analog wheel clamp pressure sensor, analog wheel bearing place is provided with vibration detecting sensor.
For better by Control experiment, image data and the calculating of institute's image data is summed up more easily, also comprise computing machine and for the test figure detection system of synchronous acquisition test figure, the detection signal of described test figure detection system outputs to described computing machine, and described computing machine is also for controlling described motor and described clamping device.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, train braking system multi-function test stand of the present utility model is described further.
Fig. 1 is the structural representation of train braking system multi-function test stand in the utility model.
Fig. 2 is the structural representation of false car and rail wheel joint in the utility model.
Embodiment
Embodiment
Shown in Fig. 1, the utility model comprises motor 1, main shaft 2, rail wheel 3, synchronous gear box 4
,Flywheel 5, false car, reaction frame (not shown), computing machine (not shown), ventilating dust-arrester (not shown), change speed gear box 11 and foundation brake test unit 12.
Wherein, motor 1 is two, is preferably AC asynchronous motor, also is connected with frequency converter (motor 1 can be also other adjustable frequency motor) on AC asynchronous motor, and these two motors 1 are being fixed on pedestal by the securing member opposing parallel respectively.Main shaft 2 is also two of opposing parallel, also prop up and be located on pedestal by bearing seat respectively, and an end of every main shaft 2 is connected respectively to the clutch end of every motor 1, and carry out being rotated around its axis under the driving of motor 1.For the ease of detecting the torque rotary speed of main shaft 2, can also be provided with torque rotary speed sensor between the end that main shaft 2 is connected with motor 1 and motor power output shaft, the bearing seat place is provided with vibration detecting sensor and temperature probe.
Wherein, rail wheel 3 is four, and every two rail wheels, 3 strings are located on a main shaft 2, and under the drive of main shaft 2, rail wheel 3 is done coaxial rotating with main shaft 2.Spacing on same main shaft 2 between two rail wheels 3 can be regulated, to adapt to the false car of various different wheelspans.Rail wheel 3 is provided with speed probe, temperature probe and for the rail wheel brake clamp of brake hard.Be symmetrically installed with reaction frame on rail wheel 3 bases, both sides, this reaction frame is for installing fixing false car.
Wherein, false car owner will consist of bogie 7 and the false car body 6 be arranged on bogie.Bogie is provided with four wheels 8, and this wheel 8, by motor car wheel, also is provided with brake disc simultaneously; Also be provided with the wheel braking device 9 matched by motor car wheel with this on bogie 7, its wheel braking device 9 is clamp brake riggings, can be also tread foundation brake gear.Wheel braking device 9 is controlled by the brake control output pressure, when braking clamp be close to the purpose (clamping device also can be other device that can realize wheel braking) of brake disc to reach braking on wheel 8.Be placed with and intend heavy counterweight 10 in false car body 6, on weight, with the vehicle of reality, reaching consistent, thereby reach the purpose that 1:1 simulates wheel rail relation.While being fixed on rail wheel 3 by reaction frame when false car, four wheels 8 are corresponding chimeric one by one with four rail wheels 3 respectively, under the drive of rail wheel 3, are rotated.Wheel 8 is provided with torque and speed sensors and brake disc temperature sensor.
Wherein, every main shaft 2 is connected with respectively synchronous gear box 4 away from an end of motor 1, also by synchronizing shaft, be connected between two synchronous gear boxes 4, on the power output shaft of each synchronous gear box 4, go here and there and be provided with two groups of flywheels 5 respectively, flywheel 5 props up and is located on pedestal by supporting seat.Main shaft 2 is by driving synchronous gear box 4 to drive flywheel 5, thereby flywheel 5 and main shaft 2 form interlock.Synchronous gear box 4 and flywheel 5 places are provided with respectively torque rotary speed sensor, temperature probe; The supporting seat place is provided with vibration detecting sensor.
Wherein, the power output shaft far-end of a synchronous gear box 4 is connected with change speed gear box 11, thereby change speed gear box 11 and flywheel 5 interlocks, the output shaft of change speed gear box 11 is connected with foundation brake test unit 12, drive foundation brake test unit 12 by third motion shaft, foundation brake test unit 12 and third motion shaft interlock.Foundation brake test unit 12 mainly consists of analog wheel clamp, clamp fixed mount and the analog wheel that is provided with brake disc, analog wheel is installed by the analog wheel bearing and is formed interlock with third motion shaft, change speed gear box 11 is provided with torque rotary speed sensor with the junction of foundation brake test unit 12, be provided with analog wheel brake disc temperature sensor, analog wheel clamp pressure sensor in foundation brake test unit 12, analog wheel bearing place is provided with vibration detecting sensor.
Wherein, the sensing equipments such as aforesaid torque and speed sensors and temperature probe form the test figure detection system.The signal of test figure detection system outputs to computing machine, and computing machine is for being processed and calculate these data.The control end of computing machine is also connected to frequency converter, controls the controlled end of the electric control gear of wheel and rail wheel system, thereby realizes the electronic type of this test platform is controlled.
Also be provided with ventilating dust-arrester on whole test platform, test site is removed or discharged to the flue dust that ventilating dust-arrester will produce in the time of braking with the single-deck brake test; In addition, during due to braking, can produce amount of heat, also be undertaken cooling by ventilating dust-arrester by each brake unit.Simultaneously, for better simulation test environment, be provided with watering device.
Can be divided into following steps when test platform is tested in using the present invention:
1, counterweight 10 is placed in false car body 6, makes counterweight 10 add false car body 6 gross weights consistent with the simulation car weight (this example is 16t), then determine centre of gravity place and be fixed, whole false car body 6 is placed on bogie 7 exactly, then by reaction frame, fixes false car body 6.Flywheel 5 is combined simultaneously, met the corresponding flywheel inertia of simulation car weight (this example is 16t).
2, operation computer starting motor 1, motor 1 drags rail wheel 3, synchronous gear box 4, flywheel 5 rotations, makes rail wheel 3, wheel 8 linear velocities reach test initial velocity 380km/h, now flywheel 5 store kinetic energy.
3, after initial velocity 380km/h is stable, by the computer export braking instruction, cut off motor 1 output simultaneously, after receiving braking instruction for the electric control gear of controlling braking, implement braking, after braking action, make wheel 8 speed progressively reduce according to projectile deceleration history.Now flywheel 5 releases energy, the kinetic energy change process during simulating vehicle operation.
4, the car weight configuration meets the single-deck test, by this braking simulation system multi-function test stand, for carrying out Multiple disc brake device (as clamp), test, by controlling motor 1 output constant rotational speed, third gear (the 1:1 of switching change speed gear box 11,1:0.4,1:1.46), to meet the demand of braking moment under the friction speed condition, carry out Test of Friction etc.
5, in whole process of the test, the test figure detection system collection signals such as tach signal, dtc signal, output electric parameter, bear vibration, the vibration of flywheel supporting seat, brake disc temperature, bearing temperature and brake lining pressure of being correlated with, and be uploaded to the detection computations machine and carry out data analysis, calculating, demonstration and storage.
6, test site is removed or discharged to the flue dust that ventilating dust-arrester will be braked and produce during the single-deck brake test; In addition, during due to braking, can produce amount of heat, also be undertaken cooling by ventilating dust-arrester by each brake unit.
7, consider the security of testing table, emergency braking apparatus carries out forced deceleration while being used for happening suddenly emergency.When brake hard, brake clamp grip track wheel, by fricative thermal energy consumption mechanical kinetic energy, complete braking.
The above-described embodiment that is not limited to of the present utility model, all employings are equal to the technical scheme replace formed, as: rail wheel and wheel are respectively six, eight or more etc. all dropping in the protection domain of the utility model requirement.
Claims (9)
1. a train braking system multi-function test stand, comprise motor, one end is connected to the main shaft of motor output shaft, be located at the rail wheel on described main shaft, described main shaft is fixed on pedestal by bearing seat, it is characterized in that: also comprise by synchronous gear box and described main shaft and form the flywheel of interlock and be erected at the false car on described rail wheel by reaction frame, described flywheel is fixed on pedestal by supporting seat, described false car owner will consist of bogie and the false car body be arranged on described bogie, described bogie be provided with described rail wheel tabling by motor car wheel and with the described wheel braking device matched by motor car wheel, be placed with in described false car body and intend heavy counterweight.
2. train braking system multi-function test stand according to claim 1, it is characterized in that: described motor and main shaft are at least respectively a pair of, on every main shaft, set rail wheel quantity is at least two, described synchronous gear box is at least two, every synchronous gear box is connected respectively the end end away from described motor at every main shaft, be connected with synchronizing shaft between described synchronous gear box, on the power output shaft of each synchronous gear box, go here and there and be provided with two groups of flywheels respectively.
3. train braking system multi-function test stand according to claim 1 is characterized in that: described and wheel braking device that matched by motor car wheel are the clamp brake riggings.
4. train braking system multi-function test stand according to claim 1 is characterized in that: described and wheel braking device that matched by motor car wheel are tread foundation brake gears.
5. train braking system multi-function test stand according to claim 1, is characterized in that: also comprise ventilating dust-arrester and watering device.
6. train braking system multi-function test stand according to claim 1, it is characterized in that: also comprise and the change speed gear box of described flywheel interlock and the foundation brake test unit linked with third motion shaft, described foundation brake test unit is mainly by the analog wheel clamp, the clamp fixed mount forms with the analog wheel that is provided with brake disc, described analog wheel is installed by the analog wheel bearing and is formed interlock with described third motion shaft, described change speed gear box and foundation brake test unit junction are provided with torque rotary speed sensor, be provided with analog wheel brake disc temperature sensor in the foundation brake test unit, analog wheel clamp pressure sensor, analog wheel bearing place is provided with vibration detecting sensor.
7. train braking system multi-function test stand according to claim 6, it is characterized in that: described change speed gear box is the three class gear shift gear case.
8. according to the described train braking system multi-function test stand of claim 1-5 any one, it is characterized in that: also comprise computing machine and for synchronous acquisition Speed of Reaction Wheels signal, the rail wheel tach signal, the main shaft dtc signal, bearing vibration signal, flywheel supporting seat vibration signal, the brake disc temperature signal, bearing temperature signal and brake lining pressure signal, the test figure detection system of follower rate signal and bogie three-way acceleration signal, the detection signal of described test figure detection system outputs to described computing machine, described computing machine is also for controlling described motor and described clamping device.
9. according to the described train braking system multi-function test stand of claim 6 or 7, it is characterized in that: also comprise computing machine and for synchronous acquisition Speed of Reaction Wheels signal, the rail wheel tach signal, the main shaft dtc signal, bearing vibration signal, flywheel supporting seat vibration signal, the brake disc temperature signal, bearing temperature signal and brake lining pressure signal, the test figure detection system of follower rate signal and bogie three-way acceleration signal, described test figure detection system also comprises the torque rotary speed sensor of being located at change speed gear box and foundation brake test unit junction, analog wheel brake disc temperature sensor, analog wheel clamp pressure sensor, analog wheel vibration of supports detecting sensor, the detection signal of described test figure detection system outputs to described computing machine, described computing machine is also for controlling described motor and described clamping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709821 CN202956281U (en) | 2012-12-20 | 2012-12-20 | Train braking system comprehensive test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709821 CN202956281U (en) | 2012-12-20 | 2012-12-20 | Train braking system comprehensive test table |
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| Publication Number | Publication Date |
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| CN202956281U true CN202956281U (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220709821 Expired - Lifetime CN202956281U (en) | 2012-12-20 | 2012-12-20 | Train braking system comprehensive test table |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033373A (en) * | 2012-12-20 | 2013-04-10 | 南京浦镇海泰制动设备有限公司 | Braking system comprehensive test platform and method for braking test with platform |
| CN105738133A (en) * | 2016-05-04 | 2016-07-06 | 中国铁道科学研究院 | Rail vehicle multifunctional braking power testing platform |
| CN110441070A (en) * | 2019-08-13 | 2019-11-12 | 中车青岛四方车辆研究所有限公司 | Brake head cross sliding type tread foundation brake gear fatigue test system |
| CN116752387A (en) * | 2023-08-10 | 2023-09-15 | 四川蜀道新制式轨道集团有限责任公司 | Vertical speed-regulating unit type gear-rack meshing device |
-
2012
- 2012-12-20 CN CN 201220709821 patent/CN202956281U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033373A (en) * | 2012-12-20 | 2013-04-10 | 南京浦镇海泰制动设备有限公司 | Braking system comprehensive test platform and method for braking test with platform |
| CN103033373B (en) * | 2012-12-20 | 2015-06-24 | 南京浦镇海泰制动设备有限公司 | Braking system comprehensive test platform and method for braking test with platform |
| CN105738133A (en) * | 2016-05-04 | 2016-07-06 | 中国铁道科学研究院 | Rail vehicle multifunctional braking power testing platform |
| CN110441070A (en) * | 2019-08-13 | 2019-11-12 | 中车青岛四方车辆研究所有限公司 | Brake head cross sliding type tread foundation brake gear fatigue test system |
| CN110441070B (en) * | 2019-08-13 | 2020-12-22 | 中车青岛四方车辆研究所有限公司 | Fatigue test system for brake shoe support cross sliding type tread foundation brake device |
| CN116752387A (en) * | 2023-08-10 | 2023-09-15 | 四川蜀道新制式轨道集团有限责任公司 | Vertical speed-regulating unit type gear-rack meshing device |
| CN116752387B (en) * | 2023-08-10 | 2024-02-06 | 四川蜀道新制式轨道集团有限责任公司 | Vertical speed-regulating unit type gear-rack meshing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211800 Nanjing City, Pukou Province Economic Development Zone, Jiangsu Road, No. 10 Patentee after: CRRC NANJING PUZHEN HAITAI BRAKE EQUIPMENTS Co.,Ltd. Address before: 211800 Nanjing City, Pukou Province Economic Development Zone, Jiangsu Road, No. 10 Patentee before: NANJING PUZHEN HAITAI BRAKE EQUIPMENT Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130529 |
|
| CX01 | Expiry of patent term |