CN203011699U - Electric car electric wheel independent drive system test platform - Google Patents
Electric car electric wheel independent drive system test platform Download PDFInfo
- Publication number
- CN203011699U CN203011699U CN 201220623534 CN201220623534U CN203011699U CN 203011699 U CN203011699 U CN 203011699U CN 201220623534 CN201220623534 CN 201220623534 CN 201220623534 U CN201220623534 U CN 201220623534U CN 203011699 U CN203011699 U CN 203011699U
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- frame
- test platform
- system test
- electric motor
- steering knuckle
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Abstract
The utility model discloses an electric car electric wheel independent drive system test platform which comprises a frame. A suspension device, a driving device, a braking device and a steering device are arranged at the upper part of the frame. A loading device which is used for imposing pressure on the suspension device is arranged at the top of the frame. A simulation pavement device is fixedly arranged at the lower part of the frame. The driving device and the braking device are suspended on the suspension device. The suspension device is hinged on the frame. According to the electric car electric wheel independent drive system test platform provided by the utility model, a hub motor and wheels are integrated as a whole; and the electric car electric wheel independent drive system test platform can be applied to a four-wheel or two-wheel independent drive vehicle, does not have a mechanical transmission mechanism in the middle, and has the advantages of compact structure, short transmission chain, high efficiency and the like.
Description
Technical field
The utility model belongs to the electric automobile field, is specifically related to a kind of drive system test platform.
Background technology
The power-driven system of electric automobile replaces conventional engines as power source mainly with motor at present, adopts the drive system of single motor, still by the power train transferring power.In this type of power-driven system, by speed reduction unit and differential mechanism transferring power, thereby drive wheel.This structure, driving-chain is longer.Loss due to machinery driving efficiency causes energy dissipation.
Less about the development of electric automobile Electric Motor Wheel independent driving system test platform at present.Existing Electric Motor Wheel dynamic load test platform, mainly for be the performance test of these parts of wheel hub motor.
Summary of the invention
Given this, the utility model purpose is to provide that a kind of efficient is high, the electric automobile Electric Motor Wheel independent driving system test platform of feature richness.
For solving above technical matters, the technical scheme that the utility model provides is, a kind of electric automobile Electric Motor Wheel independent driving system test platform is provided, comprise frame, upper rack is equipped with suspender, drive unit, clamping device, steering gear, and frame top is equipped with for the charger that suspender is exerted pressure, and frame lower is installed with the simulated roadway device, described drive unit and clamping device are suspended on described suspender, and described suspender is hinged on frame.
Further, described suspender is by top link, and steering knuckle and lower swing arm consist of; One end and the frame of top link are hinged, and the other end and the steering knuckle of top link are hinged; The lower end of steering knuckle is connected with an end of lower swing arm by bulb, and the other end and the frame of lower swing arm are hinged.
Preferably, the structure of described steering knuckle is: comprise two crosspieces with perpendicular section that is connected two crosspieces, a stub is installed between two crosspieces, described stub and steering knuckle are rotatably assorted; Be provided with a through hole on perpendicular section.
Further, described drive unit is wheel hub motor, and stationary shaft and the stub of wheel hub motor are rigidly connected; Be installed with wheel rim on the outer rotor of wheel hub motor, tire is arranged on wheel rim.
Further, the structure of described steering gear is: steer motor is connected with the first speed reduction unit, steer motor and the first speed reduction unit are fixed on frame, be provided with universal joint on the output shaft of the first speed reduction unit, the through hole that output shaft passes on steering knuckle again is connected with cone pinion, the engagement of cone pinion and cone gear, cone gear is arranged on stub by keyway, and the steering knuckle lower end is equipped with rotary angle transmitter.
Further, described clamping device is by brake disc, floating brake caliper, and hydraulic system consists of; Brake disc is fixed on wheel hub motor, and floating brake caliper is fixed on steering knuckle.
Further, described charger is made of rocking handle rotating disc and feed screw nut.
Further, described simulated roadway device comprises and turns hub, turns hub and connects the second speed reduction unit by bearing seat, and the second speed reduction unit other end is equipped with motor.
Electric automobile Electric Motor Wheel independent driving system test platform described in the utility model, wheel hub motor and wheel are become one, can be used for four-wheel or two-wheeled independent drive vehicles, the centre does not have mechanical transmission mechanism, has that compact conformation, driving-chain are short, the efficient advantages of higher.
The utility model is except carrying out the wheel hub motor performance test, can also be as the system-level test platform of electric automobile Electric Motor Wheel driving, on this platform, can simulate road conditions and vehicle body different loads, carry out the test of Electric Motor Wheel electronic differential, the test of line traffic control independent steering and brake test etc.Can carry out as a kind of the system-level test platform that the electric automobile Electric Motor Wheel drives, the electric vehicle development that drives for Electric Motor Wheel provides technical foundation.
Description of drawings
Fig. 1 is the front view of embodiment 1.
Fig. 2 is the rear view of Fig. 1.
Fig. 3 is the upward view of Fig. 1.
Fig. 4 is the stereographic map of Fig. 1.
Fig. 5 is embodiment 1 part assembling schematic diagram.
Fig. 6 is A-A partial view in Fig. 5.
Embodiment
Describe below in conjunction with accompanying drawing and specific embodiment.
Electric automobile Electric Motor Wheel independent driving system test platform described in the utility model can carry out the power drive simulation test of two front-wheels or two trailing wheels, and perhaps four wheels carry out the power drive simulation test simultaneously.The present embodiment is set forth take the test of two front-wheels or two trailing wheels as example.
This electric automobile Electric Motor Wheel independent driving system test platform, the right and left respectively has a frame 1, and frame 1 top is equipped with suspender, drive unit, clamping device, steering gear.Frame 1 top is equipped with for the charger that suspender is exerted pressure, and frame 1 bottom is installed with the simulated roadway device, and described drive unit and clamping device are suspended on described suspender, and described suspender is hinged on frame 1.Referring to Fig. 1 to Fig. 6.
Suspender is by top link 21, and steering knuckle 22 and lower swing arm 23 consist of.The structure of steering knuckle 22 is: comprise two crosspieces with perpendicular section that is connected two crosspieces, a stub 32 is installed between two crosspieces, described stub 32 is rotatably assorted with steering knuckle 22; Be provided with a through hole on perpendicular section.One end and the frame 1 of top link 21 are hinged, and perpendicular section top of the other end of top link 21 and steering knuckle 22 is hinged.Perpendicular section bottom of steering knuckle 22 is connected with an end of lower swing arm 23 by bulb, and steering knuckle 22 is rotatably assorted with lower swing arm 23, and the other end of lower swing arm 23 and frame 1 are hinged.Lower swing arm 23 be positioned at top link 22 under.The part of frame 1, top link 21, steering knuckle 22 and lower swing arm 23 consist of a unsettled quadrilateral.
Drive unit is wheel hub motor 31, and the stationary shaft of wheel hub motor 31 and stub 32 are rigidly connected; Be installed with wheel rim 34 on the outer rotor of wheel hub motor 31, tire 33 is arranged on wheel rim 34.Wheel hub motor 31, wheel rim 34 and tire 33 consist of an Electric Motor Wheel.The rotating speed that a wheel speed sensors is measured Electric Motor Wheel is installed near Electric Motor Wheel.
The structure of steering gear is: steer motor 51 is connected with the first speed reduction unit 52, steer motor 51 and the first speed reduction unit 52 are fixed on frame 1, be provided with universal joint 53 on the output shaft of the first speed reduction unit 52, the through hole that output shaft passes on steering knuckle 22 again is connected with cone pinion 54, and cone pinion 54 meshes with cone gear 55 again.Cone gear 55 is arranged on stub 32 by keyway, and steering knuckle 22 lower ends are equipped with rotary angle transmitter 56.Be provided with universal joint 53 because of on the output shaft of the first speed reduction unit 52, move down in the situation that steering knuckle 22 is pressed, do not affect meshing relation and relative position between cone pinion 54 and cone gear 55.
Clamping device is by brake disc 41, floating brake caliper 42, and hydraulic system consists of.Brake disc 41 is bolted on wheel hub motor 31, and floating brake caliper 42 is fixed on steering knuckle 22.
Charger is made of rocking handle rotating disc and feed screw nut 61.Be provided with a screw on the crossbeam at frame 1 top, feed screw nut 61 is rotatably assorted with this screw.The rocking handle rotating disc is for convenient laborsaving when feed screw nut 61 is screwed on or screws off.The feed screw nut bottom is provided with pressure transducer 62, is used for measuring the size of the power that applies.Charger can play the effect of simulation vehicle body different loads situation.
The simulated roadway device comprises and turns hub 71, turns hub 71 and connects second speed reduction unit 72, the second speed reduction unit 72 other ends by bearing seat motor 73 is installed, and turns hub and is connected with dynamometer machine.Turn and to apply different surface coatings on hub 71 and simulate different road surface situations.Under test situation, tire 33 is close to and turns on hub 71.
The Electric Motor Wheel actual speed and the torque value that feed back to according to turn signal and Electric Motor Wheel driving governor of master controller meanwhile, adopt the differential control algorithm to calculate the differential value of two Electric Motor Wheel, and the rotating speed of target value of two Electric Motor Wheel is sent to the Electric Motor Wheel driving governor by the CAN bus, thereby control the rotating speed of Electric Motor Wheel, the differential control of Electric Motor Wheel when turning to realization.
This platform adopts data collecting card to gather turn signal, Electric Motor Wheel actual speed signal and pressure sensor signal, and above signal is passed to host computer, design signal monitoring and data software on host computer, thereby can verify the control effect of each control gear under different operating modes.
Be below only preferred implementation of the present utility model, should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with the claim limited range.For those skilled in the art, within not breaking away from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. electric automobile Electric Motor Wheel independent driving system test platform, it is characterized in that, comprise frame (1), frame (1) top is equipped with suspender, drive unit, clamping device, steering gear, frame (1) top is equipped with for the charger that suspender is exerted pressure, frame (1) bottom is installed with the simulated roadway device, and described drive unit and clamping device are suspended on described suspender, and described suspender is hinged on frame (1).
2. electric automobile Electric Motor Wheel independent driving system test platform according to claim 1, is characterized in that, described suspender is by top link (21), and steering knuckle (22) and lower swing arm (23) consist of; One end of top link (21) and frame (1) are hinged, and the other end of top link (21) and steering knuckle (22) are hinged; The lower end of steering knuckle (22) is connected by the end of bulb with lower swing arm (23), and the other end of lower swing arm (23) and frame (1) are hinged.
3. electric automobile Electric Motor Wheel independent driving system test platform according to claim 2, it is characterized in that, the structure of described steering knuckle (22) is: comprise two crosspieces and be connected perpendicular section of two crosspieces, one stub (32) is installed between two crosspieces, and described stub (32) is rotatably assorted with steering knuckle (22); Be provided with a through hole on perpendicular section.
4. electric automobile Electric Motor Wheel independent driving system test platform according to claim 3, is characterized in that, described drive unit is wheel hub motor (31), and the stationary shaft of wheel hub motor (31) and stub (32) are rigidly connected; Be installed with wheel rim (34) on the outer rotor of wheel hub motor (31), tire (33) is arranged on wheel rim (34).
5. electric automobile Electric Motor Wheel independent driving system test platform according to claim 3, it is characterized in that, the structure of described steering gear is: steer motor (51) is connected with the first speed reduction unit (52), steer motor (51) and the first speed reduction unit (52) are fixed on frame (1), be provided with universal joint (53) on the output shaft of the first speed reduction unit (52), the through hole that output shaft passes on steering knuckle (22) again is connected with cone pinion (54), cone pinion (54) and cone gear (55) engagement, cone gear (55) is arranged on stub (32) by keyway, steering knuckle (22) lower end is equipped with rotary angle transmitter (56).
6. electric automobile Electric Motor Wheel independent driving system test platform according to claim 1, is characterized in that, described clamping device is by brake disc (41), floating brake caliper (42), and hydraulic system consists of; Brake disc (41) is fixed on wheel hub motor (31), and floating brake caliper (42) is fixed on steering knuckle (22).
7. electric automobile Electric Motor Wheel independent driving system test platform according to claim 1, is characterized in that, described charger is made of rocking handle rotating disc and feed screw nut (61).
8. electric automobile Electric Motor Wheel independent driving system test platform according to claim 1, it is characterized in that, described simulated roadway device comprises and turns hub (71), turns hub (71) and connects the second speed reduction unit (72) by bearing seat, and the second speed reduction unit (72) other end is equipped with motor (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623534 CN203011699U (en) | 2012-11-22 | 2012-11-22 | Electric car electric wheel independent drive system test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623534 CN203011699U (en) | 2012-11-22 | 2012-11-22 | Electric car electric wheel independent drive system test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011699U true CN203011699U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220623534 Withdrawn - After Issue CN203011699U (en) | 2012-11-22 | 2012-11-22 | Electric car electric wheel independent drive system test platform |
Country Status (1)
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| CN (1) | CN203011699U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944428A (en) * | 2012-11-22 | 2013-02-27 | 西华大学 | Test platform for electric wheel independent driving system of electric automobile |
| WO2015188584A1 (en) * | 2014-06-11 | 2015-12-17 | 深圳职业技术学院 | Electric wheel test bed |
| CN107192561A (en) * | 2017-06-15 | 2017-09-22 | 安徽工程大学 | A kind of wheel hub drives electric automobile Electric Motor Wheel suspension system testing stand |
-
2012
- 2012-11-22 CN CN 201220623534 patent/CN203011699U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944428A (en) * | 2012-11-22 | 2013-02-27 | 西华大学 | Test platform for electric wheel independent driving system of electric automobile |
| CN102944428B (en) * | 2012-11-22 | 2015-04-22 | 西华大学 | Test platform for electric wheel independent driving system of electric automobile |
| WO2015188584A1 (en) * | 2014-06-11 | 2015-12-17 | 深圳职业技术学院 | Electric wheel test bed |
| US10180377B2 (en) | 2014-06-11 | 2019-01-15 | Shenzhen Polytechnic | Electric wheel test bed |
| CN107192561A (en) * | 2017-06-15 | 2017-09-22 | 安徽工程大学 | A kind of wheel hub drives electric automobile Electric Motor Wheel suspension system testing stand |
| CN107192561B (en) * | 2017-06-15 | 2023-04-07 | 安徽工程大学 | Test bed for electric wheel suspension system of hub-driven electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20150422 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20150422 |