CN203658050U - Electric automobile brake inertia simulation test platform - Google Patents
Electric automobile brake inertia simulation test platform Download PDFInfo
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- CN203658050U CN203658050U CN201320657140.7U CN201320657140U CN203658050U CN 203658050 U CN203658050 U CN 203658050U CN 201320657140 U CN201320657140 U CN 201320657140U CN 203658050 U CN203658050 U CN 203658050U
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- driving wheel
- electric automobile
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- reductor
- lever
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Abstract
The utility model discloses an electric automobile brake inertia simulation test platform comprising an electromotor, a speed reducing device, half shafts, driving wheels, levers, loading bearing seats, movable pulleys, rolling wheels, driving wheels, flywheels and speed reducing machines, wherein a driving and transmission system consists of the speed reducing device, the half shafts, the electromotor and the driving wheels and is connected with the levers, the loading bearing seats are fulcrums of the levers, the levers are connected with a machine rack through hinges, steel wire ropes penetrate through loading counterweights, the movable pulleys are connected to lever arms through pins, the rolling wheels are driven by the driving wheels and therefore road surface simulation effect are realized by the rolling wheels, and the flywheels are connected with the rolling wheels through the speed reducing machines. Multiple testing results can be simulated through the electric automobile brake inertia simulating test platform.
Description
Technical field
The utility model belongs to electric vehicle engineering field, is specifically related to a kind of simulator stand of electric automobile braking inertia.
Background technology
The world today faces the severe challenge of energy shortage and environmental pollution, energy and environment problem becomes the problem that global various countries pay close attention to the most, in order to improve environmental pollution and to reduce energy resource consumption, and obtaining the permanent development of economy, various countries all drop into huge manpower and materials research and development new forms of energy with the exhaustion day by day of the reply energy and going from bad to worse of environment.
Along with the raising of the attention degree of government and society environmental pollution and energy problem, energy-conserving and environment-protective have become one of main target of China Automobile Industry.The development of electric vehicle engineering has entered an important stage, and wherein Regenerative Braking Technology, as one of gordian technique of energy-conservation and environmental protection, has a lot of problems urgently to be resolved hurrily.Brake system is an important system of automobile, in order to ensure the safety of automobile, each state all spends the plenty of time and studies its structure and performance in the brake system of automobile, in actual braking procedure, be subject to the state-of-charge of electric battery, the impact of the severity of braking of vehicle etc. also will be subject to the constraint of driver and crew's comfortableness simultaneously, and the braking kinetic energy that motor can feedback is uncertain.
Utility model content
Owing to cannot determining that the braking kinetic energy that motor under different scenes can feedback is uncertain problem, the utility model provides a kind of simulator stand of electric automobile braking inertia.
The utility model is by the following technical solutions:
A simulator stand for electric automobile braking inertia, comprising: motor, speed reduction unit, semiaxis, driving wheel, lever, load bearings seat, travelling block, roller, driving wheel, flywheel and reductor; Wherein, described speed reduction unit, semiaxis, motor and driving wheel have formed driving and kinematic train, and described driving is connected with lever with kinematic train, and the fulcrum of described lever is load bearings seat, and described lever is connected with frame by hinge; Load counterweight and pass by hawser, described travelling block is connected on lever arm by pin, and described roller is driven by described driving wheel, and described roller plays simulated roadway, between described flywheel and described roller, is connected by reductor.
As further improvement of the utility model, also comprise: the input end of described speed reduction unit is connected with described motor by spline, the output terminal of described speed reduction unit is connected with described driving wheel by semiaxis.
As further improvement of the utility model, also comprise: on described driving wheel, detent is housed, described driving wheel be positioned at described roller directly over.
As further improvement of the utility model, also comprise: the slow-speed shaft of reductor is connected with described roller, the high speed shaft of described reductor is connected with described flywheel, and described reductor plays accelerating function.
Utilize above-mentioned electric automobile braking inertial test table can simulate multiple test findings, the damped condition under simulation differential state; The brake energy recovering system of exploitation under different loads state; Carry out Electro-mechanical brake test and traditional kinematic train test.In addition, of the present utility model because flywheel and roller are directly installed on reductor input and output shaft, reduce greatly the volume of testing table, driving wheel and roller adopt and are arranged vertically, so that by lever pulley combination mechanism to loading on driving wheel, thereby change the radial compaction power of driving wheel, the driving cycle under simulation different loads.
Brief description of the drawings
A kind of electric automobile that Fig. 1 provides for the utility model embodiment is braked the structural representation of inertial test table.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is elaborated.
Electric automobile braking inertial test table as shown in Figure 1, this testing table comprises: speed reduction unit 1, semiaxis 2, motor 3, rocker bar bearing 4, load bearings seat 5, lever 6, driving wheel 7, travelling block 8, roller 9, counterweight 10, frame 11, flywheel 12 and reductor 13.Wherein, the input end of speed reduction unit 1 is connected with motor 3 by spline, and the output terminal of speed reduction unit 1 is connected with driving wheel 7 by semiaxis 2, on driving wheel 7, detent is housed, driving wheel 7 be positioned at roller 9 directly over, like this, speed reduction unit 1, semiaxis 2, motor 3, driving and the kinematic train of driving wheel 7 common compositions, and be connected with a lever system, balance pivot is load bearings seat 5 places, and lever 6 is connected with frame 11 by hinge.Load counterweight 10 and pass travelling block 8 by hawser, travelling block 8 is connected on lever arm by pin.Roller 9 is driven by driving wheel 7, and roller 9 plays simulated roadway, between flywheel 12 and roller 9, is connected by reductor 13, and the slow-speed shaft of reductor 13 is connected with roller 9, and high speed shaft is connected with flywheel 12, and reductor plays accelerating function.
Utilize above-mentioned electric automobile braking inertial test table as shown in Figure 1 can simulate multiple test, comprising:
Simulation test one: the inertia characteristics of simulating different electric automobiles, because flywheel is combined fly wheel, according to result of calculation, can be according to the array mode of simulation demand adjustment combination inertial flywheel 12, thereby simulate the inertia of different car loads, and obtain the test findings of the inertia characteristics of different electric motor cars; Or by the movement of rocker bar bearing 4 in frame 11, change driving wheel 7 position diametrically, change the roller 9 of different model, affect ratio of gear between two-wheeled, and then affect the rotating speed of flywheel, change the moment of inertia of flywheel, thereby simulate the inertia of different car loads, and obtain the test findings of the inertia characteristics of different electric motor cars.
Simulation test two: carry out traditional kinematic train test by changing different motor 3 and speed reduction unit 1, thereby can obtain the characteristic of motor 3 and the noise of speed reduction unit 13.
Simulation test three: the damped condition under simulation turning differential state, regulate the snap-in force of both sides load maintainer, due to snap-in force difference, cause the moment of friction on both sides driving wheel 7 to form difference, realize the speed discrepancy of left and right sidesing driving wheel 7, thus the brake test of simulated automotive under turning operating mode.
Simulation test four: braking energy recovery test and the Electro-mechanical brake test of simulation under different loads driving cycle, according to the inertia of calculated value combination inertial flywheel group, and according to simulation demand, regulate the weight of counterweight 10, thereby set the radial pressure between driving wheel 7 and roller 9, motor 3 drives driving wheel rotation as motor by speed reduction unit 1, driving wheel 7 drives the rotation of roller 9 by friction force, flywheel group is oppositely used and is improved the rotating speed that roller transmits by reductor 13, in the time that driving wheel linear velocity reaches preset vehicle speed, step on brake pedal, make driving wheel start braking, regulate motor braking moment simultaneously, thereby coordinate composite braking, thereby obtain the test findings of the braking energy recovery under different loads driving cycle and the test findings of Electro-mechanical brake test.In above-mentioned analogy method, can also can amplify load by lever pulley mechanism, so just can reduce the quality that loads counterweight.
Simulation test five: the quality that loads counterweight by change can be simulated the automobile brake test under different loads condition.
Simulation test six: wheel load bearings seat bob in experimentation, the working condition of simulating wheel on road surface.
Utilize above-mentioned electric automobile braking inertial test table can simulate multiple test findings, the damped condition under simulation differential state; The brake energy recovering system of exploitation under different loads state; Carry out Electro-mechanical brake test and traditional kinematic train test.
In addition, of the present utility model because flywheel and roller are directly installed on reductor input and output shaft, reduce greatly the volume of testing table, driving wheel and roller adopt and are arranged vertically, so that by lever pulley combination mechanism to loading on driving wheel, thereby change the radial compaction power of driving wheel, the driving cycle under simulation different loads.
Claims (4)
1. a simulator stand for electric automobile braking inertia, is characterized in that, comprising: motor, speed reduction unit, semiaxis, driving wheel, lever, load bearings seat, travelling block, roller, driving wheel, flywheel and reductor; Wherein, described speed reduction unit, semiaxis, motor and driving wheel have formed driving and kinematic train, and described driving is connected with lever with kinematic train, and the fulcrum of described lever is load bearings seat, and described lever is connected with frame by hinge; Load counterweight and pass by hawser, described travelling block is connected on lever arm by pin, and described roller is driven by described driving wheel, and described roller plays simulated roadway, between described flywheel and described roller, is connected by reductor.
2. the simulator stand of electric automobile braking inertia as claimed in claim 1, is characterized in that, also comprise: the input end of described speed reduction unit is connected with described motor by spline, the output terminal of described speed reduction unit is connected with described driving wheel by semiaxis.
3. the simulator stand of electric automobile as claimed in claim 1 braking inertia, is characterized in that, also comprises: on described driving wheel, detent is housed, described driving wheel be positioned at described roller directly over.
4. the simulator stand of electric automobile braking inertia as claimed in claim 1, is characterized in that, also comprise: the slow-speed shaft of described reductor is connected with described roller, the high speed shaft of described reductor is connected with described flywheel, and described reductor plays accelerating function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657140.7U CN203658050U (en) | 2013-10-24 | 2013-10-24 | Electric automobile brake inertia simulation test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657140.7U CN203658050U (en) | 2013-10-24 | 2013-10-24 | Electric automobile brake inertia simulation test platform |
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| Publication Number | Publication Date |
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| CN203658050U true CN203658050U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320657140.7U Expired - Fee Related CN203658050U (en) | 2013-10-24 | 2013-10-24 | Electric automobile brake inertia simulation test platform |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592135A (en) * | 2013-10-24 | 2014-02-19 | 江苏大学 | Electric vehicle brake inertia simulating testing table and method |
| CN106124101A (en) * | 2016-07-25 | 2016-11-16 | 宁波慈兴精密传动科技有限公司 | A kind of bearing frictional torque test device of scalable axial load and deflection torque |
| CN106274872A (en) * | 2016-08-31 | 2017-01-04 | 吉林大学 | A kind of cooperative control device of simulated automotive braking |
| CN106482957A (en) * | 2016-12-15 | 2017-03-08 | 广西柳工机械股份有限公司 | Drive axle immobilization test system |
| CN106769081A (en) * | 2016-12-02 | 2017-05-31 | 江苏大学 | A kind of electric vehicle brake simulator stand and test method for adapting to different automobile types |
| CN110782768A (en) * | 2019-11-05 | 2020-02-11 | 西南交通大学 | Motor car traction braking experiment model device |
-
2013
- 2013-10-24 CN CN201320657140.7U patent/CN203658050U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592135A (en) * | 2013-10-24 | 2014-02-19 | 江苏大学 | Electric vehicle brake inertia simulating testing table and method |
| CN103592135B (en) * | 2013-10-24 | 2016-01-20 | 江苏大学 | A kind of simulator stand of electric vehicle brake inertia and test method |
| CN106124101A (en) * | 2016-07-25 | 2016-11-16 | 宁波慈兴精密传动科技有限公司 | A kind of bearing frictional torque test device of scalable axial load and deflection torque |
| CN106274872A (en) * | 2016-08-31 | 2017-01-04 | 吉林大学 | A kind of cooperative control device of simulated automotive braking |
| CN106274872B (en) * | 2016-08-31 | 2018-12-14 | 吉林大学 | A kind of cooperative control device of simulated automotive braking |
| CN106769081A (en) * | 2016-12-02 | 2017-05-31 | 江苏大学 | A kind of electric vehicle brake simulator stand and test method for adapting to different automobile types |
| CN106482957A (en) * | 2016-12-15 | 2017-03-08 | 广西柳工机械股份有限公司 | Drive axle immobilization test system |
| CN110782768A (en) * | 2019-11-05 | 2020-02-11 | 西南交通大学 | Motor car traction braking experiment model device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20161024 |