CN106697111A - Steering wheel debugging device and steering wheel debugging method - Google Patents
Steering wheel debugging device and steering wheel debugging method Download PDFInfo
- Publication number
- CN106697111A CN106697111A CN201611221472.5A CN201611221472A CN106697111A CN 106697111 A CN106697111 A CN 106697111A CN 201611221472 A CN201611221472 A CN 201611221472A CN 106697111 A CN106697111 A CN 106697111A
- Authority
- CN
- China
- Prior art keywords
- wheel
- steering wheel
- rollers
- revolver
- drive device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/005—Inspection and final control devices
Abstract
The invention discloses a steering wheel debugging device and steering wheel debugging method, the steering wheel debugging device comprises a base , a left wheel roller component, a right wheel roller component and a driving device, the left wheel roller component comprises the two left rollers which are set before and after the interval, the right wheel roller component comprises the two right rollers which are set before and after the interval, the distance between the two left rollers is same with the distance between the right rollers, the driving device is designed to drive the left roller component and the right roller component to rotate in the same direction and the same speed. People don't need to drive cars on the road to adjust the steering wheel, so that the security is increased, the embodiment t also ensures that the front wheel of the vehicle is in a direct line while people are adjusting the steering wheel so that the steering accuracy of the steering wheel is improved.
Description
Technical field
The present invention relates to a kind of experimental rig, in particular to the debugging of a kind of steering wheel debugging apparatus and steering wheel
Method.
Background technology
To enable driver that the position and direction of vehicle are correctly controlled when vehicle is driven, before vehicle release, it is necessary to
Steering to vehicle is corrected, and in the case of ensureing that steering does not stress, steering wheel is in aligned position.It is related
Under technology, personnel when the steering of vehicle is corrected, it is necessary to drive after vehicle travels 20-30 kilometers in flat road surface,
In the state of vehicle traveling, dismounting and again installation direction disk, to determine that steering wheel installs accurate, but personnel are when vehicle is travelled
Adjustment direction disk it is dangerous larger, be prone to accidents, and the flatness requirement of road pavement is higher.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, of the invention
First aspect is to propose a kind of steering wheel debugging apparatus, and direction disk debugging apparatus at least can guarantee that personnel to a certain extent
More safely adjustment direction disk.
The second aspect of the present invention is to propose a kind of tune using the debugging of above-mentioned steering wheel debugging apparatus travel direction disk
Method for testing.
Steering wheel debugging apparatus described according to a first aspect of the present invention, including base, revolver drum assembly, right wheel roller
Component and drive device, the revolver drum assembly open up the two revolver rollers put, the right wheel roller including time interval
Component opens up the distance between the two right wheel rollers put, described two revolver rollers and described two right wheels including time interval
The distance between roller is equal, and the drive device is arranged for driving the revolver drum assembly and the right wheel roller group
Part is synchronized, equidirectional rotation, revolver roller described in two of which and two radial dimension all sames of the right wheel roller.
Steering wheel debugging apparatus described according to a first aspect of the present invention, personnel need not make the vehicle i.e. can be with road driving
Adjustment direction disk, improves security, and can guarantee that vehicle front-wheel is in straight-going state in adjustment direction disk, improves direction
The Adjustment precision of disk.
In addition, can also have following additional technical characteristic according to the above-mentioned steering wheel debugging apparatus of the present invention：
Preferably, it is provided with left side linkage part between described two revolver rollers.
Further, the left side linkage part is the driving belt or driving-chain for being arranged on described two revolver roller one end
Bar.
Preferably, it is provided with left side linkage part between described two right wheel rollers.
Further, the left side linkage part is the driving belt or driving-chain for being arranged on described two right wheel roller one end
Bar.
Preferably, left side linkage part is provided between described two revolver rollers, is set between described two right wheel rollers
There is left side linkage part, the drive device drives the left side linkage part and the left side linkage part simultaneously.
Preferably, the drive device is two, and one of them described drive device is used to drive described two revolvers to roll
Cylinder, another described drive device is used to drive described two right wheel rollers.
Described adjustment method, dress is debugged using the steering wheel described in first aspect present invention according to a second aspect of the present invention
The debugging of travel direction disk is put, is comprised the following steps：By the upper steering wheel debugging apparatus of vehicle traveling, and make a left side for the vehicle
Front-wheel is between described two revolver rollers, off-front wheel is located between described two right wheel rollers；Disconnect the dynamic of the vehicle
Power between Force system and driving wheel is transmitted and pulls down steering wheel；Start the drive device, make described two revolver rollers
Drive described the near front wheel, described two right wheel rollers to drive the off-front wheel to roll and travelled with simulating its straight line；Institute
State steering wheel steering column stabilization be in middle position after the steering wheel is installed.
Described adjustment method according to a second aspect of the present invention, personnel need not make the vehicle i.e. can the side of adjustment in road driving
To disk, security is improve, and can guarantee that vehicle front-wheel is in straight-going state in adjustment direction disk, improve the tune of steering wheel
Whole precision.
In addition, can also have following additional technical characteristic according to the above-mentioned adjustment method of the present invention：
Preferably, after starting the drive device, its straight line traveling 1min is at least simulated.
Preferably, after starting the drive device, the speed with speed as 5-20km/h simulates its straight line traveling.
Brief description of the drawings
Fig. 1 is the structural representation of the steering wheel debugging apparatus of the embodiment of the present invention；
Fig. 2 is the schematic diagram of vehicle adjustment direction disk on the steering wheel debugging apparatus of the embodiment of the present invention.
Reference：
Steering wheel debugging apparatus 100, base 1, through hole 11, revolver drum assembly 2, revolver roller 21, right wheel drum assembly
3, right wheel roller 31, drive device 4, left side linkage part 5, gear 6, vehicle 200, vehicle front-wheel 201.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " on ", D score, "front", "rear", "left", "right", " water
It is flat ", " interior ", " outward ", the orientation of the instruction such as " axial direction " or position relationship be, based on orientation shown in the drawings or position relationship, to be only
Described with simplified for the ease of the description present invention, must be with specific side rather than the device or element for indicating or imply meaning
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that at least two, such as two
It is individual, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect or can communicate with one another；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can
Be two element internals connection or two interaction relationships of element.For the ordinary skill in the art,
Above-mentioned term concrete meaning in the present invention can as the case may be understood.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to including the first and second features be not directly contact but by it
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
The present invention is described below in conjunction with the accompanying drawings and with reference to specific embodiment.
The steering wheel debugging apparatus 100 of the embodiment of the present invention are described with reference to Fig. 1 and Fig. 2 first.
As depicted in figs. 1 and 2, the steering wheel debugging apparatus 100 of the embodiment of the present invention can include base 1, revolver roller
Component 2, right wheel drum assembly 3 and drive device 4, the upper surface of base 1 can be provided with through hole 11, revolver drum assembly 2, right wheel
Drum assembly 3 and drive device 4 be can be installed within through hole 11, and revolver drum assembly 2 can be opened up including time interval and put
Two revolver rollers 21, right wheel drum assembly 3 can open up the two right wheel rollers 31 put including time interval.
As shown in figure 1, two revolver rollers 21 and two right wheel rollers 31 can be cylindrical and can be along itself
Axis is rotated.Two rotating shafts of revolver roller 21 can be fixed on base 1 with the rotating shaft of two right wheel rollers 31, and two
The rotating shaft of revolver roller 21 can be set in left-right direction with two rotating shafts of right wheel roller 31, between two revolver rollers 21
The distance between distance and two right wheel rollers 31 can be with equal, two revolver rollers 21 and two radial directions of right wheel roller 31
Size can with identical, it is possible thereby to ensure two vehicle front-wheels 201 rest easily between two revolver rollers 21 and
Between two right wheel rollers 31.
Drive device 4 can drive revolver drum assembly 2 and right wheel drum assembly 3 is synchronized, equidirectional rotation, as personnel couple
When the steering wheel of vehicle 200 is adjusted, steering wheel debugging apparatus 100 can be first weldingly fixed on the front portion of test platform,
And make upper surface of the top of the top of right wheel roller 31 and revolver roller 21 with test platform concordant, test platform it is upper
End face can be horizontal plane.
As shown in Fig. 2 occupant can be sailed on test platform at a slow speed vehicle 200 to be adjusted into, and make two cars
Front-wheel 201 is rested easily between two revolver rollers 21 and between two right wheel rollers 31, and sky is hung with rear vehicle 200
Gear is slided, and now occupant can pull down steering wheel.
Further, personnel can start drive device 4, make right wheel roller 31 and the rolls forward of revolver roller 21, right wheel
The rolling frequency of roller 31 and revolver roller 21 can be 40HZ, so that right wheel roller 31 and revolver roller 21 can drive two
The individual rolls forward of vehicle front-wheel 201, and then ensure that vehicle front-wheel 201 is in straight-going state.
When the central shaft of the steering column of the personal observations' vehicle 200 in driver's cabin remains static, illustrate to turn
All discharged to the stress of system, vehicle 200 has been ajusted, now the personnel in driver's cabin can be by steering wheel assembling in vehicle
In 200 spline of steering column or so teeth on the small tooth of deviator, i.e., steering wheel can be assemblied on steering column in distance
On the nearest spline in the axis in lower direction, steering wheel nut is locked, and steering wheel is fastened, it is possible thereby to improve direction
The Adjustment precision of disk.
Steering wheel debugging apparatus 100 according to embodiments of the present invention, by setting revolver drum assembly 2 and right wheel roller group
Part 3, the straight-going state that the vehicle front-wheel 201 of the vehicle 200 for hanging neutral can be driven to rotate forwardly, it is ensured that vehicle 200
The stress of steering all discharges, and the Adjustment precision of steering wheel is improve, while personnel need not make vehicle 200 in road driving
Security can be improve with adjustment direction disk.
Furthermore it is possible to steering wheel debugging apparatus 100 are arranged on existing test platform, without preparing test site in addition
Ground, has thus saved place, reduces experimentation cost, is easy to application, and without making vehicle 200 on the scene before adjustment direction disk
Ground travels dozens of kilometres to eliminate the stress of steering in advance, has saved adjustment time.
Preferably, as shown in figure 1, left side linkage part 5 can be provided between two revolver rollers 21.
In some specific embodiments, left side linkage part 5 can be to be arranged on two transmissions of the one end of revolver roller 21
Belt.Certainly, the structure of left side linkage part 5 can more than that, in other specific embodiments, and left side linkage part 5 can
Think the driving chain for being arranged on two one end of revolver roller 21.
When left side linkage part 5 can make drive device 4 drive one of revolver roller 21 to roll, the revolver roller of rolling
21 can drive another synchronous rolling of revolver roller 21 by left side linkage part 5, so as to can guarantee that two 21 turns of revolver rollers
Speed is identical, and then ensures that the vehicle front-wheel 201 on the left side is in straight-going state in adjustment direction disk, improves the adjustment of steering wheel
Precision.
Preferably, left side linkage part can be provided between two right wheel rollers 31.
In some specific embodiments, left side linkage part can be to be arranged on two transmission skins of the one end of right wheel roller 31
Band.Certainly, the structure of left side linkage part can more than that, in other specific embodiments, and left side linkage part can be
It is arranged on two driving chains of the one end of right wheel roller 31.
When left side linkage part can make drive device 4 drive one of right wheel roller 31 to roll, the right wheel roller of rolling
31 can drive another synchronous rolling of right wheel roller 31 by left side linkage part, so as to can guarantee that two rotating speeds of right wheel roller 31
It is identical, so ensure on the right of vehicle front-wheel 201 in adjustment direction disk be in straight-going state, improve steering wheel adjustment essence
Degree.
In some other preferred embodiment, left side linkage part 5, two can be provided between two revolver rollers 21
Left side linkage part can be provided between right wheel roller 31, in some more specific embodiments, left side linkage part 5 and right side
STATEMENT OF FEDERALLY SPONSORED can be driving belt or driving chain.
Drive device 4 can simultaneously drive left side linkage part 5 and left side linkage part, it is possible thereby to ensure two right wheel rollers
31 and two rotating speed all sames of revolver roller 21, and then ensure two rotating speed all sames of vehicle front-wheel 201, it is ensured that before vehicle
Wheel 201 is in straight-going state in adjustment direction disk, improves the Adjustment precision of steering wheel.
In other preferred embodiments, drive device 4 can also be two, and one of drive device 4 can drive
Two revolver rollers 21 are moved, another drive device 4 can drive two right wheel rollers 31, two outputs of drive device 4
Rotating speed and rotation direction with identical, and then can ensure two rotating speed all sames of vehicle front-wheel 201, it is ensured that vehicle front-wheel 201 exists
Straight-going state is in during adjustment direction disk, the Adjustment precision of steering wheel is improve.
In some specific embodiments, the surface of revolver roller 21 and right wheel roller 31 can be stained with quartz sand, by
This can improve vehicle front-wheel 201 in revolver roller 21 and the attachment coefficient of right wheel roller 31, meet and drive the needs of vehicle 200
Adhesive force.
Preferably, as shown in figure 1, the output end of drive device 4 can be provided with gear 6, gear 6 can be with position
Between drive device 4 and revolver drum assembly 2, and gear 6 may be located at drive device 4 and right wheel drum assembly 3 it
Between, specifically, gear 6 is reduction box, and gear 6 can make revolver drum assembly 2 and right wheel drum assembly 3 with difference
Rotational speed so that vehicle front-wheel 201 is with different rotational speeds, the vehicle 200 of different automobile types can be in different rotating speeds
Under ajust, it is ensured that the stress of the steering of vehicle 200 all discharges, and further increases the Adjustment precision of steering wheel.
Preferably, drive device 4 can be motor, and motor can be to the rolling of revolver roller 21 and right wheel
The rolling of roller 31 provides power, can rotate required torque adjustment according to the vehicle front-wheel 201 of the vehicle 200 of different automobile types and drive
The size of dynamic motor.
Preferably, thus revolver roller 21 can be rolled with identical with the size of right wheel roller 31 in revolver roller 21 and right wheel
When cylinder 31 is rolled, the vehicle 200 positioned at the top of steering wheel debugging apparatus 100 can rest easily within steering wheel debugging apparatus
On 100, it is easy to personnel's adjustment direction disk.
The adjustment method of the embodiment of the present invention is described below.
Adjustment method of the invention can be utilized such as the steering wheel debugging apparatus 100 of any one above-mentioned embodiment of the present invention
Travel direction disk is debugged, and adjustment method may include steps of：
It is possible, firstly, to vehicle 200 to be adjusted is sailed on test platform at a slow speed, and make two vehicle front-wheels 201 steady
Be placed between two revolver rollers 21 and between two right wheel rollers 31, can then disconnect the dynamical system of vehicle 200
Power transmission between system and driving wheel, vehicle 200 hangs neutral position sliding, and now personnel can pull down steering wheel in driving cabin.
Further, personnel can start drive device 4, make right wheel roller 31 and the rolls forward of revolver roller 21, right wheel
The rolling frequency of roller 31 and revolver roller 21 can be 40HZ, so that right wheel roller 31 and revolver roller 21 can drive two
The individual rolls forward of vehicle front-wheel 201, and then can be with the straight-line travelling of simulating vehicle 200.
When the central shaft of the steering column of the personal observations' vehicle 200 in driver's cabin remains static, illustrate to turn
All discharged to the stress of system, vehicle 200 has been ajusted, now steering column stabilization is in middle position, the people in driver's cabin
Member can be by steering wheel assembling in the spline of steering column or so the teeth of vehicle 200 on the small tooth of deviator, i.e., steering wheel can
To be assemblied on steering column on the spline nearest apart from the axis of above-below direction, steering wheel nut is locked, and to steering wheel
Fastened, so as to complete whole debugging steps of steering wheel, this adjustment method improves the Adjustment precision of steering wheel.
Adjustment method according to embodiments of the present invention, personnel need not make the vehicle 200 i.e. can be with adjustment direction in road driving
Disk, improves security, and can guarantee that vehicle front-wheel 201 is in straight-going state in adjustment direction disk, improves steering wheel
Adjustment precision.
Preferably, personnel start drive device 4 after, drive device 4 can at least straight-line travelling 1min of simulating vehicle 200,
I.e. drive device 4 can at least run 1min, it is possible thereby to fully ajust vehicle 200, so as to improve the adjustment essence of steering wheel
Degree.
Preferably, after personnel start drive device 4, drive device 4 can be straight with the speed simulating vehicle 200 of 5-20km/h
Line is travelled, so that vehicle front-wheel 201 can have suitable rotating speed, it is possible thereby to fully ajust vehicle 200, and so that the side of raising
To the Adjustment precision of disk.In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ",
The description of " specific example " or " some examples " etc. means to combine specific features, structure, the material that the embodiment or example are described
Or feature is contained at least one embodiment of the invention or example.In this manual, to the schematic of above-mentioned term
Statement is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can
Combined in an appropriate manner with one or more any embodiments or example.Additionally, those skilled in the art can be with
Different embodiments or example described in this specification are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of steering wheel debugging apparatus, it is characterised in that including：
Base；
Revolver drum assembly, the revolver drum assembly opens up the two revolver rollers put including time interval；
Right wheel drum assembly, the right wheel drum assembly opens up the two right wheel rollers put, a described two left sides including time interval
The distance between wheel roller is equal with the distance between described two right wheel rollers；
Drive device, the drive device is arranged for driving the revolver drum assembly and the right wheel drum assembly same
Fast, equidirectional rotation；Revolver roller described in two of which and two radial dimension all sames of the right wheel roller.
2. steering wheel debugging apparatus according to claim 1, it is characterised in that be provided between described two revolver rollers
Left side linkage part.
3. steering wheel debugging apparatus according to claim 2, it is characterised in that the left side linkage part is described to be arranged on
Two driving belts or driving chain of revolver roller one end.
4. steering wheel debugging apparatus according to claim 1, it is characterised in that be provided between described two right wheel rollers
Left side linkage part.
5. steering wheel debugging apparatus according to claim 4, it is characterised in that the left side linkage part is described to be arranged on
Two driving belts or driving chain of right wheel roller one end.
6. steering wheel debugging apparatus according to claim 1, it is characterised in that be provided between described two revolver rollers
Left side linkage part, is provided with left side linkage part between described two right wheel rollers, the drive device drives the left side simultaneously
STATEMENT OF FEDERALLY SPONSORED and the left side linkage part.
7. steering wheel debugging apparatus according to claim 1, it is characterised in that the drive device is two, wherein
The individual drive device is used to drive described two revolver rollers, and another described drive device is used to drive described two right sides
Wheel roller.
8. the debugging side that the steering wheel debugging apparatus travel direction disk any one of a kind of utilization claim 1-7 is debugged
Method, it is characterised in that the adjustment method is comprised the following steps：
By the vehicle upper steering wheel debugging apparatus of traveling, and make the vehicle the near front wheel be located at described two revolver rollers it
Between, off-front wheel be located at described two right wheel rollers between；
Disconnect the transmission of the power between the dynamical system and driving wheel of the vehicle and pull down steering wheel；
Start the drive device, make described two revolver rollers drive described the near front wheel, described two right wheel rollers to drive institute
Off-front wheel is stated to roll to simulate its straight line traveling；
The steering wheel is installed after the steering column stabilization of the steering wheel is in middle position.
9. adjustment method according to claim 8, it is characterised in that after starting the drive device, at least simulates described
Its straight line travels 1min.
10. adjustment method according to claim 8, it is characterised in that after starting the drive device, with speed as 5-
The speed of 20km/h simulates its straight line traveling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221472.5A CN106697111A (en) | 2016-12-26 | 2016-12-26 | Steering wheel debugging device and steering wheel debugging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221472.5A CN106697111A (en) | 2016-12-26 | 2016-12-26 | Steering wheel debugging device and steering wheel debugging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106697111A true CN106697111A (en) | 2017-05-24 |
Family
ID=58902763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611221472.5A Withdrawn CN106697111A (en) | 2016-12-26 | 2016-12-26 | Steering wheel debugging device and steering wheel debugging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106697111A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4885846A (en) * | 1987-05-20 | 1989-12-12 | Gepjarmu Javito Kisszovetkezet | Method and apparatus for adjusting the wheels and axles of motor vehicles |
| CN1673007A (en) * | 2004-03-25 | 2005-09-28 | 三菱扶桑卡客车株式会社 | Steering characteristic control apparatus for vehicle |
| US20070265750A1 (en) * | 2005-06-14 | 2007-11-15 | Toyota Jidosha Kabushiki Kaisha | Steering System of Vehicle |
| CN101765524A (en) * | 2007-07-31 | 2010-06-30 | 爱考斯研究株式会社 | Control device |
| CN103879446A (en) * | 2014-03-28 | 2014-06-25 | 奇瑞汽车股份有限公司 | Steering wheel skewing correction system and control method thereof |
-
2016
- 2016-12-26 CN CN201611221472.5A patent/CN106697111A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4885846A (en) * | 1987-05-20 | 1989-12-12 | Gepjarmu Javito Kisszovetkezet | Method and apparatus for adjusting the wheels and axles of motor vehicles |
| CN1673007A (en) * | 2004-03-25 | 2005-09-28 | 三菱扶桑卡客车株式会社 | Steering characteristic control apparatus for vehicle |
| US20070265750A1 (en) * | 2005-06-14 | 2007-11-15 | Toyota Jidosha Kabushiki Kaisha | Steering System of Vehicle |
| CN101765524A (en) * | 2007-07-31 | 2010-06-30 | 爱考斯研究株式会社 | Control device |
| CN103879446A (en) * | 2014-03-28 | 2014-06-25 | 奇瑞汽车股份有限公司 | Steering wheel skewing correction system and control method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170524 |
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| WW01 | Invention patent application withdrawn after publication |