CN108253929A - A kind of four-wheel position finder, system and its implementation - Google Patents
A kind of four-wheel position finder, system and its implementation Download PDFInfo
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- CN108253929A CN108253929A CN201810045251.XA CN201810045251A CN108253929A CN 108253929 A CN108253929 A CN 108253929A CN 201810045251 A CN201810045251 A CN 201810045251A CN 108253929 A CN108253929 A CN 108253929A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/013—Wheels
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
A kind of four-wheel position finder of the offer of the present invention, including wheel alignment fixture, position sensor and wireless communication module, the wheel alignment fixture is used to four-wheel position finder being mounted on wheel；The position sensor is used to acquire the 3 D motion trace data of wheel；The wireless communication module is used for the data transmission of four-wheel position finder and external equipment.The four-wheel position finder of the present invention acquires wheel 3 D motion trace data using position sensor, the conventional techniques that the prior art carries out wheel using optical principle position data collecting are overturned, the principle that the four-wheel position finder that the embodiment of the present invention provides uses is simple, data acquisition is accurate, simple in structure, small, significantly reduces cost of manufacture.
Description
Technical field
The present invention relates to motor vehicle detecting fields, relate more particularly to a kind of four-wheel position finder, system and its realization side
Method.
Background technology
Automobile four-wheel positioning is using the parameter of vehicular four wheels three-dimensional position as foundation, by adjusting its parameter to ensure vehicle
Good driving performance simultaneously has certain reliability.The parameter adjusted is wherein needed to be：A front-wheels, reverse caster (angle), stub
Introversion (angle), front wheel camber (angle) and toe-in of front wheel；B trailing wheels, trailing wheel flare (angle), trailing wheel toe-in and thrust angle etc..Automobile four
The effect for taking turns position indicator is exactly to measure the above-mentioned series of parameters of automobile, and provides adjustment foundation to Automobile Service personnel.
Vehicle four-wheel position finder experienced development for many years, since traditional dipstick metering, experienced bracing wire, CCD, it is infrared,
Several generation techniques such as laser, 3D rendering scanning.In addition to the superseded technology of earlier generations, what existing four-wheel position finder generally used
It is 3D rendering scanning technique.The principle of the technology is that the reflector being mounted on wheel is continuously clapped by photographic camera
Scanning is taken the photograph, according to the Geometrical change of reflector image information, so as to measure the three-dimensional parameter of wheel alignment.
Since the principle of above-mentioned several generations four-wheel position finder is limited using optical alignment principle mostly, camera is needed two
It is relatively fixed in a dimension with reflector, that is, camera and reflector difference in height in the plane and folder in measurement process
Angle cannot change, therefore the vehicle four-wheel position finder using optical alignment principle including 3D rendering scanning technique needs
A huge bench type structure is wanted with fixed camera and the relative position of automobile；Secondly, the reflective plate body on wheel
Product is larger, and is easily damaged.It is limited for these reasons, four-wheel position finder occupation of land is larger, with high costs, it is necessary to have certain occupation of land
The automobile maintenance enterprise of scale just has enough space layouts equipment.
Invention content
For the defects in the prior art, one of the objects of the present invention is to provide a kind of four-wheel position finder, simple in structure,
It is small, at low cost.
In a first aspect, four-wheel position finder provided in an embodiment of the present invention, including wheel alignment fixture, position sensor and nothing
Line communication module, the wheel alignment fixture are used to four-wheel position finder being mounted on wheel；The position sensor is used to adopt
Collect the 3 D motion trace data of wheel；The wireless communication module is used for the data transmission of four-wheel position finder and external equipment.
Optionally, the position sensor is made of multiple sensors, and the sensor is used to acquire three maintenance and operations of wheel
Dynamic track data.
Optionally, the position sensor includes acceleration transducer, angular-rate sensor and direction sensor, described to add
Velocity sensor is used to acquire 3-axis acceleration data of the wheel under different conditions；The acceleration transducer is used for collecting vehicle
Take turns the three-shaft displacement angular velocity data under different conditions；The direction sensor is used to acquire three of wheel under different conditions
Axis direction data.
Optionally, the four-wheel position finder further includes wheel identification device, and the wheel identification device is used to identify wheel
Positioning fixture is mounted on the near front wheel, off-front wheel, left rear wheel or off hind wheel.
Second aspect, four-wheel aligner system provided in an embodiment of the present invention, including four-wheel position finder and intelligent terminal, institute
It states four-wheel position finder and includes wheel alignment fixture, position sensor and wireless communication module, the wheel alignment fixture is used for will
Four-wheel position finder is mounted on wheel；The position sensor is used to acquire the 3 D motion trace data of wheel；It is described wireless
Communication module carries out wireless data transmission for four-wheel position finder and intelligent terminal；The intelligent terminal is used to receive three-dimensional motion
Track data；And according to the three-dimensional position parameter that the 3 D motion trace data are calculated to wheel.
Optionally, the position sensor includes acceleration transducer, angular-rate sensor and direction sensor, described to add
Velocity sensor is used to acquire 3-axis acceleration data of the wheel under different conditions；The acceleration transducer is used for collecting vehicle
Take turns the three-shaft displacement angular velocity data under different conditions；The direction sensor is used to acquire three of wheel under different conditions
Axis direction data.
Optionally, four-wheel position finder further includes wheel identification device, and the wheel identification device is used to identify wheel alignment
Fixture is mounted on the near front wheel, off-front wheel, left rear wheel or off hind wheel.
Optionally, intelligent terminal includes receiving unit and data processing unit, and the receiving unit is adopted for receiving data
Acquisition means acquire the 3 D motion trace data of wheel；The data processing unit is used for the three-dimensional motion rail according to the wheel
Mark data obtain detection data, and angle-data is calculated according to the detection data, the angle-data include kingpin inclination,
Castor, front-wheel camber, trailing wheel camber angle, toe-in of front wheel, real wheel toe angle and thrust angle data.
Optionally, the intelligent terminal further includes database and analytic unit, and the database is used to store vehicle release
When angle parameter, the angle parameter when analytic unit is used for according to the angle-data and vehicle release calculated carries out pair
Than making wheel adjustment and suggesting.
The third aspect, the embodiment of the present invention also provide a kind of implementation method of four-wheel aligner system, specifically include with
Lower step：
Obtain the wheel 3 D motion trace data of position sensor acquisition；
It is handled according to the wheel 3 D motion trace data, and data is handled and calculated, obtain detection
Data calculate angle-data according to the detection data, and the angle-data includes kingpin inclination, castor, preceding
Take turns the data of camber angle, trailing wheel camber angle, toe-in of front wheel, real wheel toe angle and thrust angle；
Angle parameter during according to the angle-data and vehicle release calculated is compared, and is made wheel parameter adjustment and is built
View.
As shown from the above technical solution, four-wheel position finder provided by the invention and system, it is small, it occupies little space, easily
It carries, it is simple in structure, there is the advantage of apparent low cost.
Beneficial effects of the present invention：
The four-wheel position finder that the embodiment of the present invention provides acquires wheel 3 D motion trace data using position sensor,
The conventional techniques that the prior art carries out wheel using optical principle position data collecting are overturned, the embodiment of the present invention provides
The principle that uses of four-wheel position finder it is simple, data acquisition is accurate, simple in structure, small, significantly reduces cost of manufacture.
The embodiment of the present invention by four-wheel aligner system, using multiple electronic sensors cooperate, construct vehicle
The 3 D motion trace of wheel so as to measure the three-dimensional position parameter of wheel, has abandoned conventional optics technology and has carried out four-wheel completely
Positioning overcomes big, with high costs using the four-wheel position finder complicated in mechanical structure of optical alignment, occupation of land in currently available technology
The shortcomings that, the four-wheel aligner system of the present embodiment have it is small, occupy little space, be portable, is simple in structure, is at low cost etc. it is more
Aspect advantage.
The implementation method of four-wheel aligner system provided in an embodiment of the present invention cooperates with work using multiple electronic sensors
Make, construct the 3 D motion trace of wheel, so as to measure the three-dimensional position parameter of wheel, abandoned traditional optical skill completely
Art carries out four-wheel aligner, the shortcomings that overcoming in currently available technology using the four-wheel position finder machine of optical alignment.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to practical ratio.
Fig. 1 shows a kind of four-wheel position finder first embodiment functional block diagram provided by the invention；
Fig. 2 shows a kind of four-wheel position finder second embodiment functional block diagrams provided by the invention；
Fig. 3 shows a kind of first embodiment functional block diagram of four-wheel aligner system provided by the invention；
Fig. 4 shows a kind of second embodiment functional block diagram of four-wheel aligner system provided by the invention；
Fig. 5 shows a kind of 3rd embodiment functional block diagram of four-wheel aligner system provided by the invention；
Fig. 6 shows a kind of first embodiment flow chart of the implementation method of four-wheel aligner system provided by the invention.
Specific embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiment is only used for
Clearly illustrate technical scheme of the present invention, therefore be intended only as example, and the protection of the present invention cannot be limited with this
Range.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
As shown in Figure 1, showing a kind of four-wheel position finder first embodiment provided by the present invention, pressed from both sides including wheel alignment
Tool 11, position sensor 12 and wireless communication module 13, the wheel alignment fixture 11 are used to four-wheel position finder being mounted on vehicle
On wheel；The position sensor 12 is used to acquire the 3 D motion trace data of wheel；The wireless communication module 13 is used for four
Take turns the data transmission of position indicator and external equipment.Four-wheel position finder includes four wheel alignment fixtures, and wheel alignment fixture is respectively
Independent, the structure of positioning fixture of the prior art can be used in wheel alignment fixture, and wheel alignment fixture is fixedly mounted on wheel
On, position sensor is mounted on wheel alignment fixture, when wheel alignment fixture is mounted on wheel, the peace of position sensor
The center location of holding position and axletree is adapted, in this way the calculating process convenient for simplified later data.Wireless communication module will
Mode is transferred to external equipment to the 3 D motion trace data of position sensor acquisition by radio communication.Wireless communication module packet
It includes but is not limited to bluetooth module, Wifi modules.Position sensor is either one or more, according to the essence of gathered data
Degree and the method calculated depend on the circumstances, and using multiple position sensors, then multigroup 3 D motion trace data can be carried out
Difference Calculation, so as to further improve precision.
Position sensor is using the 3 D motion trace data of multiple sensors acquisition wheel, the biography that position sensor uses
Sensor quantity depends on the circumstances according to the precision of gathered data and the method for calculating.The position sensor 12 includes but not limited to
Acceleration transducer 121, angular-rate sensor 122 and direction sensor 123 are used to adopt according to the acceleration transducer 121
Collect acceleration signal of the wheel in 3 axial directions under different conditions；The angular-rate sensor 122 is used to acquire wheel not
With the displacement angular velocity signal in 3 axial directions under state；The direction sensor 123 is used to acquire wheel under different conditions
Direction signal in 3 axial directions.The motion state of wheel includes stationary state and motion state.Using multiple sensor collecting vehicles
Wheel 3 D motion trace data have overturned the prior art and have used the conventional techniques that are positioned to wheel of optical principle, small,
Storage easy to carry, also significantly reduces cost of manufacture.
The four-wheel position finder that the embodiment of the present invention provides acquires wheel 3 D motion trace data using position sensor,
The conventional techniques that the prior art carries out wheel using optical principle position data collecting are overturned, the embodiment of the present invention provides
The principle that uses of four-wheel position finder is simple, data acquire storage accurate, simple in structure, small, easy to carry, also greatly
Reduce cost of manufacture.
As shown in Fig. 2, show a kind of second embodiment of four-wheel position finder provided by the invention, with first embodiment not
It is with part, the four-wheel position finder further includes wheel identification device 14, and the wheel identification device 14 is used to identify wheel
Positioning fixture is mounted on the near front wheel, off-front wheel, left rear wheel or off hind wheel, other function modules are all real with four-wheel position finder first
It is similar to apply example.Wheel identification device is arranged on wheel alignment fixture, and wheel identification device 14 includes power supply 141, rotation gear
Switch 142, indicator 143 and controller 144, power supply 141, gear rotary switch 142, indicator 143 and controller 144 are sequentially
Connection, controller 144 are connect with wireless communication module 13, and power supply 141 is connect with controller 144, and gear rotary switch 142 is equipped with
4 gears, respectively are the near front wheel, off-front wheel, left rear wheel and off hind wheel.Indicator can be that LED light is shown, LED light valency
Lattice are cheap.By manually rotating gear rotary switch, the instruction circuit of different wheels is connected, wheel instruction information is passed through into nothing
Line communication module is sent to external equipment.Wheel identification device is simple in structure, easily realizes.Wheel is acquired using four-wheel position finder
During 3 D motion trace data, first gear rotary switch is rotated on the wheel to be installed of four-wheel aligner fixture, location sensitive
Device acquires the 3 D motion trace data of the wheel, and module is sent to external equipment by radio communication, is distinguished convenient for external equipment
Receive the data that 3 D motion trace data belong to some wheel.
As shown in figure 3, showing a kind of first embodiment of four-wheel aligner system provided by the invention, determine including four-wheel
Position instrument and intelligent terminal, the four-wheel position finder include wheel alignment fixture 21, position sensor 22 and wireless communication module 23,
The wheel alignment fixture 21 is used to four-wheel position finder being mounted on wheel；The position sensor 22 is used to acquire wheel
3 D motion trace data；The wireless communication module 23 is used to 3 D motion trace data passing through wireless transmission
To external equipment；The intelligent terminal is used to receive 3 D motion trace data；And according to by the 3 D motion trace data
Calculate the three-dimensional position parameter of wheel.Four-wheel position finder includes four independent wheel alignment fixtures, and wheel alignment fixture can
Using the structure of positioning fixture of the prior art, wheel alignment fixture is fixedly mounted on wheel, and position sensor is mounted on
On wheel alignment fixture, when wheel alignment fixture is mounted on wheel, the installation site of position sensor and the circle of axletree
Heart position is adapted, in this way the calculating process convenient for simplified later data.Wireless communication module position sensor is acquired three
Mode is transferred to external equipment to dimension motion trace data by radio communication.Wireless communication module includes but not limited to bluetooth mould
Block, Wifi modules.Intelligent terminal includes but not limited to smart mobile phone, tablet computer, computer etc., and intelligent terminal is to four-wheel aligner
The 3 D motion trace data of instrument acquisition are handled and calculate the three-dimensional position parameter of the corresponding wheel of vehicle.
Position sensor is using the 3 D motion trace data of multiple sensors acquisition wheel, the biography that position sensor uses
Sensor quantity depends on the circumstances according to the precision of gathered data and the method for calculating.Position sensor 22 includes acceleration transducer
221st, angular-rate sensor 222 and direction sensor 223 are used to acquire wheel in difference according to the acceleration transducer 221
The acceleration signal in 3 axial directions under state；The angular-rate sensor 222 is used to acquire 3 of wheel under different conditions
Displacement angle signal in a axial direction；The direction sensor 223 is used to acquire side of the wheel under different conditions in 3 axial directions
To signal.The prior art has been overturned using optical principle to wheel using multiple sensors acquisition wheel 3 D motion trace data
The conventional techniques positioned, it is small, significantly reduce cost of manufacture.
A kind of four-wheel aligner system that the embodiment of the present invention provides acquires wheel three-dimensional motion using position sensor
Track data, eliminates a large amount of steel construction rack, small, floor space is small, reduces cost of manufacture.Existing skill is overturned
Art carries out wheel using optical principle the conventional techniques of position data collecting, the four-wheel position finder that the embodiment of the present invention provides
The principle that system uses is simply, data acquisition is accurate, simple in structure, small, also significantly reduces cost of manufacture.Due to intelligence
Energy terminal is easier to carry, and can be used as needed in any position；Therefore, facilitate maintenance personal in difference
Position uses；When being particularly adjusted below vehicle, regulating effect can be very easily seen.
As shown in figure 4, showing a kind of second embodiment of four-wheel aligner system provided by the invention, implement with first
The difference lies in four-wheel position finder further includes wheel identification device 24 to example, and the wheel identification device 24 is used to identify wheel
Positioning fixture is mounted on the near front wheel, off-front wheel, left rear wheel or off hind wheel, other function modules all with four-wheel aligner system the
One embodiment is similar.Wheel identification device is arranged on wheel alignment fixture, and wheel identification device 24 includes power supply 241, rotation
Driving switch 242, indicator 243 and controller 244, power supply 241, gear rotary switch 242, indicator 243 and controller 244
It is sequentially connected with, controller 244 is connect with wireless communication module 23, and power supply 241 is connect with controller 244, gear rotary switch 242
Equipped with 4 gears, it respectively is the near front wheel, off-front wheel, left rear wheel and off hind wheel.By manually rotating gear rotary switch,
The instruction circuit of different wheels is connected, module is sent to external equipment by radio communication by wheel instruction information.Wheel is known
Other apparatus structure is simple, easily realizes.When four-wheel position finder is used to acquire wheel 3 D motion trace data, first gear is rotated
On switch rotary to the wheel to be installed of four-wheel aligner fixture, the 3 D motion trace data that position sensor acquires the wheel are led to
It crosses wireless communication module and is sent to intelligent terminal, distinguishing reception 3 D motion trace data convenient for intelligent terminal belongs to some wheel
Data.
As shown in figure 5, showing a kind of 3rd embodiment of four-wheel aligner system provided by the invention, implement with second
The difference lies in intelligent terminal includes receiving unit and data processing unit to example, and the receiving unit is adopted for receiving data
Acquisition means acquire the 3 D motion trace data of wheel；The data processing unit is used for the three-dimensional motion rail according to the wheel
Mark data obtain detection data, and angle-data is calculated according to the detection data, the angle-data include kingpin inclination,
Castor, front-wheel camber, trailing wheel camber angle, toe-in of front wheel, real wheel toe angle and thrust angle data.Intelligent terminal is also
Including database and analytic unit, the database is used to store angle parameter during vehicle release, and the analytic unit is used for
Angle parameter during according to the angle-data and vehicle release calculated is compared, and is made wheel adjustment and is suggested, other functions
Module is similar to the first embodiment of four-wheel aligner system.Madgwick calculations can be used in the algorithm that data processing unit uses
Method, kalman filtering blending algorithm, 9 axis postures fusion Mahony algorithms are resolved, and obtain each angle of wheel 3 d pose
Degree.Angle parameter when angle-data and vehicle release that analytic unit is calculated according to data processing unit is compared, and is given
Go out wheel parameter adjustment to suggest.
The embodiment of the present invention by four-wheel aligner system, using multiple electronic sensors cooperate, construct vehicle
The 3 D motion trace of wheel so as to measure the three-dimensional position parameter of wheel, has abandoned conventional optics technology and has carried out four-wheel completely
Positioning overcomes big, with high costs using the four-wheel position finder complicated in mechanical structure of optical alignment, occupation of land in currently available technology
The shortcomings that, the four-wheel aligner system of the present embodiment have it is small, occupy little space, be portable, is simple in structure, is at low cost etc. it is more
Aspect advantage.
As shown in fig. 6, show the first of the implementation method of a kind of four-wheel aligner system provided in an embodiment of the present invention
Embodiment specifically includes following steps：
S1：Obtain the wheel 3 D motion trace data of position sensor acquisition；
Specifically, wheel 3 D motion trace is acquired by acceleration transducer, angular-rate sensor and direction sensor
Data, acceleration transducer, angular-rate sensor and direction sensor acquire 3 axis of the wheel under movement, stationary state respectively
Gravity acceleration value, 3 axial displacement magnitude of angular velocities and 3 axis direction values.
S2：It is handled according to the wheel 3 D motion trace data, and data is handled and calculated, obtain inspection
Measured data calculates angle-data according to the detection data, the angle-data include kingpin inclination, castor,
Front-wheel camber, trailing wheel camber angle, toe-in of front wheel, real wheel toe angle and thrust angle data；
Specifically, acceleration transducer, angular-rate sensor, direction sensor acquire wheel in motion and standstill shape respectively
The displacement magnitude of angular velocity of 3 axis gravity acceleration values, 3 axis under state, the direction value of 3 axis.Madgwick algorithms, kalman can be used
Filtering blending algorithm, 9 axis postures fusion Mahony algorithms are resolved, and obtain all angles of wheel 3 d pose.
S3：Angle parameter during according to the angle-data and vehicle release calculated is compared, and makes wheel parameter tune
Whole suggestion.
The implementation method of four-wheel aligner system provided in an embodiment of the present invention cooperates with work using multiple electronic sensors
Make, construct the 3 D motion trace of wheel, so as to measure the three-dimensional position parameter of wheel, abandoned traditional optical skill completely
Art carries out four-wheel aligner, the shortcomings that overcoming in currently available technology using the four-wheel position finder machine of optical alignment.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (10)
1. a kind of four-wheel position finder, which is characterized in that including wheel alignment fixture, position sensor and wireless communication module, institute
Wheel alignment fixture is stated for four-wheel position finder to be mounted on wheel；The position sensor is used to acquire three maintenance and operations of wheel
Dynamic track data；The wireless communication module is used for the data transmission of four-wheel position finder and external equipment.
2. four-wheel position finder as described in claim 1, which is characterized in that the position sensor is made of multiple sensors,
The sensor is used to acquire the 3 D motion trace data of wheel.
3. four-wheel position finder as described in claim 1, which is characterized in that the position sensor include acceleration transducer,
Angular-rate sensor and direction sensor, the acceleration transducer are used to acquire 3-axis acceleration of the wheel under different conditions
Data；The acceleration transducer is used to acquire three-shaft displacement angular velocity data of the wheel under different conditions；The direction passes
Sensor is used to acquire three axis direction data of the wheel under different conditions.
4. four-wheel position finder as described in claim 1, which is characterized in that the four-wheel position finder further includes wheel identification dress
It puts, the wheel identification device is used to identify that wheel alignment fixture is mounted on the near front wheel, off-front wheel, left rear wheel or off hind wheel.
5. a kind of four-wheel aligner system, which is characterized in that including four-wheel position finder and intelligent terminal, the four-wheel position finder packet
Wheel alignment fixture, position sensor and wireless communication module are included, the wheel alignment fixture is used to install four-wheel position finder
On wheel；The position sensor is used to acquire the 3 D motion trace data of wheel；The wireless communication module is used for four
It takes turns position indicator and carries out wireless data transmission with intelligent terminal；The intelligent terminal is used to receive 3 D motion trace data；And root
According to the three-dimensional position parameter that the 3 D motion trace data are calculated to wheel.
6. four-wheel aligner system as claimed in claim 5, which is characterized in that the position sensor includes acceleration sensing
Device, angular-rate sensor and direction sensor, the acceleration transducer add for acquiring three axis of the wheel under different conditions
Speed data；The acceleration transducer is used to acquire three-shaft displacement angular velocity data of the wheel under different conditions；The side
It is used to acquire three axis direction data of the wheel under different conditions to sensor.
7. four-wheel aligner system as claimed in claim 5, which is characterized in that the four-wheel position finder further includes wheel identification
Device, the wheel identification device are used to identify that wheel alignment fixture is mounted on the near front wheel, off-front wheel, left rear wheel or off hind wheel
On.
8. four-wheel aligner system as claimed in claim 5, which is characterized in that the intelligent terminal includes receiving unit sum number
According to processing unit, the receiving unit is used to receive the 3 D motion trace data of data acquisition device acquisition wheel；The number
It is used to obtain detection data according to the 3 D motion trace data of the wheel according to processing unit, be calculated according to the detection data
Go out angle-data, before the angle-data includes kingpin inclination, castor, front-wheel camber, trailing wheel camber angle, front-wheel
The data of beam, real wheel toe angle and thrust angle.
9. four-wheel aligner system as claimed in claim 8, which is characterized in that the intelligent terminal further includes database and divides
Unit is analysed, the database is used to store angle parameter during vehicle release, and the analytic unit is used for according to the angle calculated
Degrees of data is compared with angle parameter during vehicle release, is made wheel parameter adjustment and is suggested.
10. a kind of implementation method of four-wheel aligner system, which is characterized in that specifically include following steps：
Obtain the wheel 3 D motion trace data of position sensor acquisition；
It is handled according to the wheel 3 D motion trace data, and data is handled and calculated, obtain detection data,
Angle-data is calculated according to the detection data, the angle-data includes kingpin inclination, castor, front wheel camber
Angle, trailing wheel camber angle, toe-in of front wheel, real wheel toe angle and thrust angle data；
Angle parameter during according to the angle-data and vehicle release calculated is compared, and is made wheel parameter adjustment and is suggested.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810045251.XA CN108253929A (en) | 2018-01-17 | 2018-01-17 | A kind of four-wheel position finder, system and its implementation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810045251.XA CN108253929A (en) | 2018-01-17 | 2018-01-17 | A kind of four-wheel position finder, system and its implementation |
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| CN201810045251.XA Pending CN108253929A (en) | 2018-01-17 | 2018-01-17 | A kind of four-wheel position finder, system and its implementation |
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| CN113933071A (en) * | 2021-12-08 | 2022-01-14 | 南通莱奥电子科技有限公司 | Automobile lifting running platform detection system based on image 3D four-wheel position indicator |
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| CN109708901A (en) * | 2019-01-21 | 2019-05-03 | 刘波 | Automobile steering roller locating and detecting device |
| CN113933071A (en) * | 2021-12-08 | 2022-01-14 | 南通莱奥电子科技有限公司 | Automobile lifting running platform detection system based on image 3D four-wheel position indicator |
| CN114061984A (en) * | 2021-12-08 | 2022-02-18 | 南通莱奥电子科技有限公司 | 3D four-wheel aligner high-speed high-definition intelligent system based on USB3.0 interface |
| CN114061984B (en) * | 2021-12-08 | 2022-06-21 | 南通莱奥电子科技有限公司 | 3D four-wheel aligner high-speed high-definition intelligent system based on USB3.0 interface |
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