CN203241246U - Testing device for four-wheel independent drive and independent steering chassis - Google Patents

Testing device for four-wheel independent drive and independent steering chassis Download PDF

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Publication number
CN203241246U
CN203241246U CN 201320257374 CN201320257374U CN203241246U CN 203241246 U CN203241246 U CN 203241246U CN 201320257374 CN201320257374 CN 201320257374 CN 201320257374 U CN201320257374 U CN 201320257374U CN 203241246 U CN203241246 U CN 203241246U
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China
Prior art keywords
wheel
rotating disk
testing device
base plate
test base
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Withdrawn - After Issue
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CN 201320257374
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Chinese (zh)
Inventor
郭康权
张宗玲
李翊宁
宋树杰
郭贵生
陈军
查峥
武明放
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Northwest A&F University
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Northwest A&F University
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Priority to CN 201320257374 priority Critical patent/CN203241246U/en
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Publication of CN203241246U publication Critical patent/CN203241246U/en
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Abstract

The utility model relates to a testing device for a four-wheel independent drive and independent steering chassis, which belongs to the field of vehicle engineering. The testing device is characterized in that: each rotating disc mechanism comprises a wheel hub motor [3], a walking disc [5] of a driving wheel [6], a supporting wheel [4], a mechanical brake [2], a frame [1], and an electric brake device; center lines of four steering shafts [8] of a chassis under test are in the same plumb lines with rotation centers of the walking discs [5] of the corresponding rotating disc mechanisms respectively; motion measurement mechanisms comprise torque and rotational speed sensors [11] of the rotating disc mechanisms, torque and rotational speed sensors [11] of the driving wheels [6] of the chassis under test, angle sensors [12] of the steering shafts [8], and measurement instruments; and motion control devices comprise the wheel hub motors [3], the driving wheels [6] of the chassis under test, a storage battery, and a motion controller.

Description

A kind of four-wheel drive independent steering chassis testing device
Technical field
The present invention relates to a kind of four-wheel drive independent steering chassis testing device, belong to Vehicle Engineering, relate in particular to a kind of method and equipment thereof of four-wheel drive independent steering chassis testing.
Background technology
Along with social development, vehicle fleet size is more and more, and road just seems, and some is narrow, and the needed space of vehicle parking is more and more nervous.So stop or the process of tune in will cause the congested with cars phenomenon, its main cause is due to the insufficiency of existing vehicle steering device.
Patent 200610104895.9 (publication number CN1948040) discloses a kind of vehicle drive unit, with being improved to each wheel and both can driving of existing vehicle traction structure, can turn to again.
Patent 200910021065.3 (publication number CN101480968) discloses a kind of electric vehicle drive chassis, by wheel hub motor, detent, controller, accumulator, steering axle, steering axle braking electromagnet-friction lock, steering axle drive and turn to friction lock to consist of, and straight line is during to row, the locking torque of sailing steering axle electromagnet-friction lock and wheel to the driving force on ground in the moment of steering axle formation balance just in time, when turning to, the friction lock moment of steering axle reduces, and steering axle locking moment increases during brake.Can realize easily the function of four-wheel steering.
A kind of chassis control device of electric motor car of patent 200910022569.7 (publication number CN101554883) by a sensor with equilibrium position is set in each steering axle, detects the position of steering axle with sensor, make the wheel acceleration or deceleration.
The disclosed a kind of offset shaft drive wheel of patent 200920033330.5 (publication number CN201395165) is that j and revolving shaft center line are the band wheel hub electric locomotive wheel of k and do not consist of at the conplane bearing pin h that turns to wheel surface of revolution j by the wheel surface of revolution.
Patent 201220030280.7 (publication number CN202413906U) discloses a kind of electrombile steering control device, turn to electric bridge by arranging one at each wheel, turn to electric bridge to adopt a pair of active and servo-actuated variable resistor and two fixed resistances to form.
The turning function of vehicle has been improved on the disclosed bias axis structure of above-mentioned patent and four-wheel drive independent steering chassis, but the chassis has many performance parameters to verify or obtain by test.Traditional test all is to adopt the rectilinear motion form to carry out, but the steering axle on four-wheel drive independent steering chassis is made circular motion, adopts not only complex structure of rectilinear motion test unit, and many inconveniences are arranged.For overcoming the deficiency of existing test unit, the invention discloses a kind of four-wheel drive independent steering chassis testing device that rectilinear motion is changed into the circular motion form.
Summary of the invention
The technical scheme that realizes foregoing invention is: the concentric rotating disk mechanism of the steering axle centre of gyration that single-revolution center and driving wheel are set under each driving wheel of test base plate, test base plate is fixed on this rotating disk mechanism, finishes the test of four-wheel drive independent steering chassis performance parameter.Concrete summary of the invention is:
A kind of four-wheel drive independent steering chassis testing device, be made of test base plate, rotating disk mechanism, motion measurement mechanism, motion control device and frame, it is characterized in that: described rotating disk mechanism is comprised of walking dish [5], support wheel [4], mechanical brake [2], frame [1] and the electrical braking device of wheel hub motor [3], driving wheel [6]; The center line of four steering axles [8] of described test base plate respectively with the centre of gyration of the walking dish [5] of separately rotating disk mechanism on same vertical straight line; Described motion measurement mechanism is comprised of rotary angle transmitter [12] and the measurement instrument of the moment of torsion of the driving wheel [6] of the moment of torsion of rotating disk mechanism and speed probe [11], test base plate and speed probe [11], steering axle [8]; Described motion control device is comprised of driving wheel [6], storage battery and the motion controller of wheel hub motor [3], test base plate;
Each driving wheel [6] of described test base plate respectively arranges cover rotating disk mechanism and a motion measurement mechanism;
Described motion control device can be controlled respectively the rotating speed of the driving wheel [6] of the wheel hub motor [3] of rotating disk mechanism and test base plate;
The wheel hub motor of described rotating disk mechanism [3] is provided with mechanical braking mechanism [2] and electrical braking device, for the friction force between the walking dish [5] of the driving wheel [6] that changes test base plate and rotating disk mechanism;
Relative position between the centre of gyration of the walking dish [5] of described four rotating disk mechanisms can be adjusted, to adapt to the test base plate of different structure size;
The walking dish [5] of described rotating disk mechanism can be circular dull and stereotyped, also can be conical plate face;
The conical tip of described walking dish [5] can raise up, also can be to lower recess.
Offset shaft drive wheel disclosed by the invention has following advantage:
(1) can make a service test on the spot, not need rectilinear motion;
(2) sensor is easily arranged, can the speed change degree, and can variable load;
(3) simple in structure, floor area is little, and cost is low.
Description of drawings
Fig. 1 is the front view of four-wheel drive independent steering chassis testing device schematic diagram
Fig. 2 is the vertical view of four-wheel drive independent steering chassis testing device schematic diagram
Fig. 3 is the structural representation of one of them wheel
The meaning that each legend mark represents respectively in the accompanying drawing is as follows:
The 1-frame, 2-mechanical brake, 3-wheel hub motor, 4-support wheel, 5-walking dish, the 6-driving wheel, 7-steering arm, 8-steering axle, 9-connection bracket, 10-chassis skeleton, 11-drive wheel torque and speed probe, 12-rotary angle transmitter, 13-vibroshock, 14-TORQ and speed probe
Embodiment
Provide specific embodiment below in conjunction with accompanying drawing.
One embodiment of the present of invention are that rotating disk is made conical plate face to lower recess, as shown in the figure, test base plate is connected with rotating disk mechanism by connection bracket [9], and the motion controller of the driving wheel on starting characteristics test chassis [6] carries out the test of speed and steering behaviour; Also can start the motion control device of rotating disk mechanism, the test of speed, load, driving force and slip property is carried out in the relative motion of simulation frame and offset shaft drive wheel.
Another one embodiment of the present invention makes circular platen surface structure with rotating disk, and these principles are identical, and structural change can consist of other embodiments of the present invention.

Claims (7)

1. four-wheel drive independent steering chassis testing device, be made of test base plate, rotating disk mechanism, motion measurement mechanism, motion control device and frame, it is characterized in that: described rotating disk mechanism is comprised of walking dish [5], support wheel [4], mechanical brake [2], frame [1] and the electrical braking device of wheel hub motor [3], driving wheel [6]; The center line of four steering axles [8] of described test base plate respectively with the centre of gyration of the walking dish [5] of separately rotating disk mechanism on same vertical straight line; Described motion measurement mechanism is comprised of rotary angle transmitter [12] and the measurement instrument of the moment of torsion of the driving wheel [6] of the moment of torsion of rotating disk mechanism and speed probe [11], test base plate and speed probe [11], steering axle [8]; Described motion control device is comprised of driving wheel [6], storage battery and the motion controller of wheel hub motor [3], test base plate.
2. four-wheel drive independent steering chassis testing device according to claim 1 is characterized in that: each driving wheel [6] of test base plate respectively arranges cover rotating disk mechanism and a motion measurement mechanism.
3. four-wheel drive independent steering chassis testing device according to claim 1 is characterized in that: motion control device can be controlled respectively the rotating speed of the driving wheel [6] of the wheel hub motor [3] of rotating disk mechanism and test base plate.
4. four-wheel drive independent steering chassis testing device according to claim 1, it is characterized in that: the wheel hub motor of rotating disk mechanism [3] is provided with mechanical braking mechanism [2] and electrical braking device, for the friction force between the walking dish [5] of the driving wheel [6] that changes test base plate and rotating disk mechanism.
5. four-wheel drive independent steering chassis testing device according to claim 1, it is characterized in that: the relative position between the centre of gyration of the walking dish [5] of described four rotating disk mechanisms can be adjusted, to adapt to the four-wheel drive independent steering test base plate of different structure size.
6. four-wheel drive independent steering chassis testing device according to claim 1 is characterized in that: the walking dish [5] of rotating disk mechanism can be circular dull and stereotyped, also can be conical plate face.
7. four-wheel drive independent steering chassis testing device according to claim 5, it is characterized in that: conical tip can raise up, also can be to lower recess.
CN 201320257374 2013-05-13 2013-05-13 Testing device for four-wheel independent drive and independent steering chassis Withdrawn - After Issue CN203241246U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320257374 CN203241246U (en) 2013-05-13 2013-05-13 Testing device for four-wheel independent drive and independent steering chassis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320257374 CN203241246U (en) 2013-05-13 2013-05-13 Testing device for four-wheel independent drive and independent steering chassis

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CN203241246U true CN203241246U (en) 2013-10-16

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CN 201320257374 Withdrawn - After Issue CN203241246U (en) 2013-05-13 2013-05-13 Testing device for four-wheel independent drive and independent steering chassis

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103245517A (en) * 2013-05-13 2013-08-14 西北农林科技大学 Chassis testing device with four wheels driven and turned independently
CN104236927A (en) * 2014-09-05 2014-12-24 武汉理工大学 Multifunctional performance test bed of four-wheel independent drive electric vehicle with hub motors
CN107505144A (en) * 2017-09-21 2017-12-22 石河子大学 A kind of four motorized wheels independent steering power driven mist blower Operation Van test platform
CN109141942A (en) * 2018-09-05 2019-01-04 天津英创汇智汽车技术有限公司 Steering load simulator and steering system test method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103245517A (en) * 2013-05-13 2013-08-14 西北农林科技大学 Chassis testing device with four wheels driven and turned independently
CN103245517B (en) * 2013-05-13 2018-06-19 西北农林科技大学 A kind of four motorized wheels independent steering chassis testing device
CN104236927A (en) * 2014-09-05 2014-12-24 武汉理工大学 Multifunctional performance test bed of four-wheel independent drive electric vehicle with hub motors
CN104236927B (en) * 2014-09-05 2016-05-11 武汉理工大学 Wheel hub motor four-wheel drive multifunctional performance test-bed
CN107505144A (en) * 2017-09-21 2017-12-22 石河子大学 A kind of four motorized wheels independent steering power driven mist blower Operation Van test platform
CN109141942A (en) * 2018-09-05 2019-01-04 天津英创汇智汽车技术有限公司 Steering load simulator and steering system test method
CN109141942B (en) * 2018-09-05 2020-12-25 天津英创汇智汽车技术有限公司 Steering load simulation device and steering system test method

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AV01 Patent right actively abandoned

Granted publication date: 20131016

Effective date of abandoning: 20180619

AV01 Patent right actively abandoned