CN107991022B - Automobile wheel track, wheelbase, centroid position method for automatic measurement - Google Patents
Automobile wheel track, wheelbase, centroid position method for automatic measurement Download PDFInfo
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- CN107991022B CN107991022B CN201711315305.1A CN201711315305A CN107991022B CN 107991022 B CN107991022 B CN 107991022B CN 201711315305 A CN201711315305 A CN 201711315305A CN 107991022 B CN107991022 B CN 107991022B
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- wheelbase
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- weighing plate
- testing stand
- centroid position
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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
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
- G01M1/122—Determining position of centre of gravity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
Abstract
The invention discloses a kind of automobile wheel track, wheelbase, centroid position method for automatic measurement, first vehicle, which is opened on testing stand, keeps balance static, each tire of vehicle is pressed respectively against on four weighing plates on testing stand, and four weighing plate sensors below each weighing plate can measure pressure g respectively1~g16And each weighing plate pressure P1~P4, and test automobile gross mass P can be obtainedtotal, according to formula:Measure wheelbase；FormulaFront tread can be measured；FormulaRear tread can be measured；Testing stand is overturn later, keeps test vehicle static still in balancing, measures the height of center of mass h of test vehicle0:Automobile wheel track, wheelbase and centroid position measurement can be performed fully automatic in the present invention, and time of measuring shortens, data accuracy is high.
Description
Technical field
The present invention relates to technical field of vehicle detection, espespecially a kind of automobile wheel track, wheelbase, centroid position automatic measurement side
Method.
Background technique
Location of Mass Center of Automobiles is to influence the key technical index of vehicle safety energy, according to national standard-
The measurement of annex I vehicle centroid and industry mark in " GB17578-2013, car superstructure intensity requirement and test method "
Quasi- " JT/T887-2014 car centroid position measurement method " determines three mass center transverse direction, longitudinal direction, height sides to measurement request
To centroid position numerical value.Mass center laterally, the measurement of lengthwise position when wheel load meter can be used to carry out on level ground, relatively
Simply, and in the measurement in height of center of mass direction, need to form test vehicle antero posterior axis difference in height, purpose is that vehicle is made to incline
Tiltedly, while vehicle rolling is limited, inclination of vehicle angle is calculated (or by angle by measurement vehicle wheelbase and antero posterior axis difference in height
Degree measurement is directly read), while the data of each wheel load meter are read for centroid calculation.The measurement method in practical applications,
It is limited by many factors, it usually needs test of many times corrects data, and test takes a long time and error is larger.
In the concrete application of above-mentioned centroid position measurement method, it usually needs use wheel load meter, lifting equipment, backman
Utensil, the work for needing to cooperate is more, such as test prepares, lifting support staff, data record, after data acquisition, leads to
Often the wheelspan to automobile, wheelbase is also needed to measure work, there are certain measurement error, in summary data carry out matter
Scheming is calculated, and leads to that entire test process takes a long time and error is larger, and the experience that is put to the test limitation, ordinary test personnel are not easy to slap
Hold a full set of test method.
Therefore, how to design the measurement of a kind of full automatic wheelspan, wheelbase, centroid position is that the present inventor concentrates on studies
Project.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile wheel track, wheelbase, centroid position method for automatic measurement, can entirely certainly
The dynamic measurement for carrying out automobile wheel track, wheelbase and centroid position, and time of measuring greatly shortens, data accuracy is high.
To achieve the goals above, technical solution of the invention are as follows: a kind of automobile wheel track, wheelbase, centroid position from
Dynamic measurement method comprising following measuring process:
(1) test vehicle is opened on testing stand and keeps balance stationary state, press four tires for testing vehicle respectively
On four pieces of weighing plates on testing stand, four weighing plate sensors below each weighing plate can measure pressure g respectively1~
g16, to obtain each weighing plate pressure P1~P4, and available test vehicular gross combined weight Ptotal, can according to following formula
Horizontality test carriage wheelbase L, front and rear wheel are calculated separately out away from T1、T2:
Wherein: Q1、Q5The fore-and-aft distance of respectively forward and backward single weighing plate sensor installation point；Q2It is pressed by axle
Fore-and-aft distance between weighing plate sensor installation point；Q3For the lateral distance of single weighing plate sensor installation point；Q4For left and right
Take turns the lateral distance between pressed weighing plate sensor installation point；g1~g16Pressure suffered by respectively each weighing plate sensor；
P1~P4Respectively each weighing plate pressure, formula T1: it is positive to drive when upper testing stand to be front tread, it is tested in reverse driving
It is rear tread, formula T when platform2: it is rear tread when forward direction drives to appear on the stage, is front tread when reverse driving is appeared on the stage；
(2) testing stand is carried out to the overturning of predetermined angular, flip angle is surveyed by the angular transducer being set in rotary shaft
, make to test vehicle still in balance stationary state, measures the height of center of mass h for testing vehicle under heeling condition0:
Wherein: α is the angle of testing stand overturning；L is the distance for testing vehicle centroid distance front-wheel；T is test vehicle matter
Distance of the heart apart from vehicle middle line, and work as T2> T1When above formula, work as T2< T1When following formula.
Automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement, wherein height of center of mass h in the step (2)0
Mass center needed for calculation formula is away from preceding shaft position calculation formula are as follows:
Wherein P3、P4For two weighing plate pressures；L is vehicle wheelbase；PtotalTo test vehicle
Gross mass.
Automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement, wherein height of center of mass h in the step (2)0
Mass center needed for calculation formula is 2 away from vehicle middle line calculation formula
Wherein P1~P4Respectively each weighing plate pressure；T1、
T2For front and rear wheel away from；PtotalTo test vehicular gross combined weight.
Automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement, wherein the vehicle wheelbase in the step (1)
L, front and rear wheel is away from T1、T2Height of center of mass h in measure equation and step (2)0Measure equation is the built-in algorithm that PLC writes,
It is calculated by testing stand operating system one-key operation, and the front and rear wheel measured under horizontality in step (1) is away from T1、T2, it is total
Quality Ptotal, the storage of horizontal centroid data is for the height of center of mass h in step (2)0Secondary calculating.
Automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement, wherein the test in the step (1), (2)
Platform includes the mechanical platform structure with testing stand basis in same plane and on the basis of one end is articulated with testing stand, described mechanical flat
Platform structure upper surface is set there are four open slot, is respectively equipped with weighing plate in each open slot, each weighing plate bottom surface is left and right
The weighing plate sensor, the mechanical platform structure and test stylobate are respectively equipped between side and the slot bottom of corresponding opening slot
Lifting structures are equipped between plinth, the testing stand realizes angle rotation and positioning by lifting structures.
Automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement, wherein the left and right side of each weighing plate with
Two lateral support idler wheels are respectively equipped between corresponding opening slot.
Automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement, wherein mechanical platform structure one end passes through
Rotary shaft and testing stand basis are hinged, and the rotary shaft is equipped with the angular transducer.
Automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement, wherein the lifting structures include hydraulic oil
Cylinder, the cylinder body of the hydraulic cylinder and the suspension end of telescopic rod are individually fixed in the testing stand basis and the mechanical platform knot
On structure.
Automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement, wherein testing stand basis upper surface is equipped with
Stepped groove, the mechanical platform structure are set in the stepped groove, and one end of the mechanical platform structure is articulated with stepped groove side
On wall, the other end of the mechanical platform structure is placed on the step of stepped groove.
After adopting the above scheme, the method that automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement pass through rollover
To realize front and rear wheel away from T1、T2, wheelbase L, centroid position determination, arranging on turnover mechanism platform structure independently to survey
Four pieces of weighing plates for measuring positive pressure force information, arrange four weighing plate sensors under every piece of weighing plate, first by vehicle tyre when test
Be pressed on weighing plate, carry out horizontal centroid calculating, by built-in calculation formula, system calculate automatically test vehicle before,
Rear tread T1、T2, wheelbase L, transverse direction, the lengthwise position of horizontal centroid, test vehicle is after the overturning of mechanical platform structure by high-precision
Angular transducer acquisition platform angle information, four weighing plate sensors being arranged in below each weighing plate only acquire weighing plate
Perpendicular to the normal pressure of mechanical platform structure direction, the secondary acquisition to tire positive pressure force information is completed, by built-in algorithm,
The data of horizontality needed for system is called automatically calculate the height of center of mass h of test vehicle0, all in the measurement method
Data acquisition is directly embedded into parameter to PLC programmable controller or when passing through programming by collecting sensor signal, whole
A process is not necessarily to manual intervention, the error for reducing multiple measurement error and artificially inputting, to ensure that the standard of test data
The measurement of automobile wheel track, wheelbase and centroid position is performed fully automatic in true property and efficiency, and time of measuring greatly shortens, data are quasi-
True property is high.
Detailed description of the invention
Fig. 1 is that test vehicle automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement horizontal checkout state are shown
It is intended to；
Fig. 2 is that test vehicle automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement inclining test state are shown
It is intended to；
Fig. 3 is with lateral, the longitudinal algorithm schematic diagram of wheelbase, wheelspan, mass center of the present invention to test vehicle；
Fig. 4 be automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement height of center of mass position computational algorithm push away
Lead figure.
With reference to the accompanying drawing, by embodiment, the present invention is described further；
Specific embodiment
A kind of automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement comprising following measuring process:
(1) as shown in Figure 1, making each tire 4 for testing vehicle 1 be pressed respectively against test after test vehicle 1 is opened in testing stand
On four pieces of weighing plates 2 on platform, switch-off makes four tested vehicle 1 below balance stationary state, each weighing plate 2 to hang
Arm beam type weighing plate sensor 3 can measure pressure g respectively1~g16, 16 weighing plate sensors 3 that this programme uses
Data independently can show and store, and each 2 pressure P of weighing plate can be obtained1~P4, and test 1 gross mass P of vehicletotal,
The built-in algorithm formula write by PLC, one-key operation calculates in testing stand operating system, is below each public affairs of built-in algorithm
Formula, the wheelbase L that can calculate test vehicle 1 respectively, front and rear wheel are away from T1、T2, and the wheelspan T tested under horizontality1、T2, it is total
Quality Ptotal, horizontal centroid data are stored in PLC for secondary calculating:
Wherein: Q1、Q5The fore-and-aft distance of respectively forward and backward single weighing plate sensor installation point；Q2It is pressed by axle
Fore-and-aft distance between weighing plate sensor installation point；Q3For the lateral distance of single weighing plate sensor installation point；Q4For left and right
Take turns the lateral distance between pressed weighing plate sensor installation point；g1~g16Pressure suffered by respectively each weighing plate sensor；
P1~P4Respectively each weighing plate pressure, above-mentioned formula T1: it is positive to drive when upper testing stand to be front tread, in reverse driving
It is rear tread, formula T when testing stand2: it is rear tread when forward direction drives to appear on the stage, is front tread when reverse driving is appeared on the stage；
(2) as shown in Fig. 2, test vehicle 1 is after the test for completing horizontality, operating operation test platform carries out predetermined angular
Overturning, flip angle are measured by angular transducer 5, make to test vehicle 1 still in balance stationary state, the acquisition inclination of weighing plate 2
The positive pressure force information P of each tire 4 afterwards1~P4, the built-in algorithm formula write by PLC, when system calls horizontal checkout automatically
Calculating data result and this test data, in testing stand operating system one-key operation calculate, below for calculate test carriage
1 height of center of mass h0Built-in algorithm formula:
Wherein: α is the angle of testing stand overturning；L is the distance for testing vehicle centroid distance front-wheel；T is test vehicle matter
Distance of the heart apart from vehicle middle line, and work as T2> T1When above formula, work as T2< T1When following formula.
As shown in Figure 3 with lateral, the longitudinal algorithm schematic diagram of wheelbase, wheelspan, mass center of the present invention to test vehicle, Xia Shuwei
Vehicle wheelbase L, front and rear wheel are away from T1、T2And height of center of mass h0The derivation process of built-in formula, test vehicle 1 be parked in four pieces it is independent
On weighing plate 2, Q in this figure1~Q5The relative position that each weighing plate sensor 3 is installed is given data, P1~P4, g1~g16Wheel
4 positive pressure force data of tire and the pressure data of single weighing plate sensor 3 are actually measured by weighing plate sensor 3, tire pressure point
Center P1~P4Specific location can be according to each weighing plate sensor 3 relative to the specific location numerical value of each weighing plate sensor 3
Measured data g1~g16With Q1~Q5It finds out.Four tires 4 of test vehicle 1 maintain equilibrium-like on four pieces of weighing plates 2
State is based on principle of moment balance, can derive following relationship (with reference to Fig. 3):
(1) tire normal pressure P1The central point at place acts on distance g1、g2The torque of the axis of line is equal to g3、g4Point positive pressure
The sum of power is multiplied by Q1The torque that numerical value generates；
(2) tire normal pressure P1The central point at place acts on distance g1、g3The torque of the axis of line is equal to g2、g4Point positive pressure
The sum of power is multiplied by Q3The torque that numerical value generates；
(3) tire normal pressure P2The central point at place acts on distance g5、g6The torque of the axis of line is equal to g7、g8Point positive pressure
The sum of power is multiplied by Q1The torque that numerical value generates；
(4) tire normal pressure P2The central point at place acts on distance g5、g7The torque of the axis of line is equal to g6、g8Point positive pressure
The sum of power is multiplied by Q3The torque that numerical value generates；
(5) tire normal pressure P3The central point at place acts on distance g9、g10The torque of the axis of line is equal to g11、g12Point is just
The sum of pressure is multiplied by Q5The torque that numerical value generates；
(6) tire normal pressure P3The central point at place acts on distance g9、g11The torque of the axis of line is equal to g10、g12Point is just
The sum of pressure is multiplied by Q3The torque that numerical value generates；
(7) tire normal pressure P4The central point at place acts on distance g13、g14The torque of the axis of line is equal to g15、g16Point
The sum of normal pressure is multiplied by Q5The torque that numerical value generates；
(8) tire normal pressure P4The central point at place acts on distance g13、g15The torque of the axis of line is equal to g14、g16Point
The sum of normal pressure is multiplied by Q3The torque that numerical value generates；
To sum up, derive that the computational algorithm of wheelbase and wheelbase is as follows:
(illustrate: the above calculation method has been contemplated that test vehicle can not be completely parallel to testing stand, writes from memory in this algorithm
Recognize the driving of vehicle forward direction to appear on the stage).
Similarly, test vehicle 1 kept under the support of four tires 4 balance, based on principle of moment balance can derive as
Lower relationship:
(1) the normal pressure P that vehicular gross combined weight generatestotalIt acts on the torque apart from front axle and is equal to rear axle normal pressure multiplied by axis
The torque generated away from L numerical value；
(2) the normal pressure P that vehicular gross combined weight generatestotalThe torque for acting on vehicle middle line is equal to left and right sides tire normal pressure
Difference respectively multiplied by front and rear wheel away from T1、T2The sum of the torque that the 1/2 of numerical value generates；
To sum up, mass center is as follows away from vehicle middle line computational algorithm away from preceding shaft position and mass center:
As shown in figure 4, even if test vehicle 1 in an inclined state, entire vehicle still in balance stationary state, it is above-mentioned
The relationship derived based on principle of moment balance is stood good, and details are not described herein again.By b, c and angle [alpha] group known to from derivation graph
At right angled triangle and h0, the right angled triangle where the side x be similar triangles, wherein angular values α is by angular transducer 5
It is given given value, the line segment length on the side b can be found out according to equalising torque relationship, the side c can be calculated according to trigonometric function relationship
Length, line segment total length of c while with x can be according to wheelspan T1、T2, wheelbase L, mass center be calculated away from vehicle middle line t value.
Similarly according to trigonometric function relationship, the length for finding out the side x, which can be found out, calculates height of center of mass h0。
In conclusion height of center of mass computational algorithm is as follows:
It illustrates:
(1) the above calculation method has been contemplated that the unequal situation of 1 antero posterior axis of test vehicle, works as T2> T1When above formula, T2
< T1When following formula；
(2) locking tire 4 is needed to hang when calculating vehicle centroid by the above process, each 4 pressurising of tire is equal, tumbles angle not
Preferably excessive, default ignores tire micro-deformation.
As shown in connection with fig. 2, above-mentioned measuring process (1), the testing stand being previously mentioned in (2) include with testing stand basis 7 same
One plane and one end pass through rotary shaft 6 and are articulated with the mechanical platform structure 8 on testing stand basis 7, the upper surface on testing stand basis 7
Equipped with stepped groove 9, mechanical platform structure 8 is set in stepped groove 9, and one end of mechanical platform structure 8 is articulated with rank by rotary shaft 6
On the side wall of terraced slot 9, the other end of mechanical platform structure 8 is placed on the step of stepped groove 9.Rotary shaft 6 is equipped with the angle
Spend sensor 5.8 upper surface of mechanical platform structure is set there are four open slot 10, is respectively equipped with rectangle weighing plate in each open slot 10
2, it is respectively equipped with 2 between the bottom surface left and right side of each weighing plate 2 and the slot bottom of corresponding opening slot 10 and hangs down for acquiring weighing plate 2
Directly in the beam type weighing plate sensor 3 of 8 normal pressure of mechanical platform structure, the left and right side and corresponding opening slot of each weighing plate 2
Two lateral support idler wheels 11 are respectively equipped between 10.Lifting structures are equipped between mechanical platform structure 8 and testing stand basis 7,
Testing stand realizes angle rotation and positioning by lifting structures.Lifting structures include hydraulic cylinder 12, the cylinder body of hydraulic cylinder 12
And the suspension end of telescopic rod is individually fixed in testing stand basis 7 and mechanical platform structure 8.
Automobile wheel track of the present invention, wheelbase, centroid position method for automatic measurement realized by the method for rollover front and rear wheel away from
T1、T2, wheelbase L, centroid position determination, on turnover mechanism platform structure 8 arrangement can independently measure positive pressure force information
Four pieces of weighing plates 2, every piece of weighing plate 2 is lower to arrange four beam type weighing plate sensors 3, and when test first presses vehicle tyre 4
On weighing plate 2, carry out horizontal centroid calculating, by built-in calculation formula, system calculate automatically test vehicle 1 before,
Rear tread T1、T2, wheelbase L, transverse direction, the lengthwise position of horizontal centroid, test vehicle 1 is after the overturning of mechanical platform structure 8 by high-precision
5 acquisition platform angle information of angular transducer is spent, four weighing plate sensors 3 being arranged in below each weighing plate 2 only acquire
Weighing plate 2 completes the secondary acquisition to 4 positive pressure force information of tire, by interior perpendicular to the normal pressure in 8 direction of mechanical platform structure
The algorithm set, the data of horizontality needed for system is called automatically calculate the height of center of mass h of test vehicle 10, the measurement side
All data acquisitions are directly embedding to PLC programmable controller or when passing through programming by collecting sensor signal in method
Enter parameter, whole process is not necessarily to manual intervention, the error for reducing multiple measurement error and artificially inputting, to ensure that test
The accuracy and efficiency of data, are performed fully automatic the measurement of automobile wheel track, wheelbase and centroid position, and time of measuring contracts significantly
It is short, data accuracy is high.
Embodiment described above is only that preferred embodiments of the present invention will be described, not to the scope of the present invention
It is defined, without departing from the spirit of the design of the present invention, this field ordinary engineering and technical personnel is to technology of the invention
The various changes and improvements that scheme is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (9)
1. a kind of automobile wheel track, wheelbase, centroid position method for automatic measurement, which is characterized in that including following measuring process:
(1) test vehicle is opened on testing stand and keeps balance stationary state, four tires for testing vehicle is made to be pressed respectively against examination
It tests on four on platform pieces of weighing plates, four weighing plate sensors below each weighing plate can measure pressure g respectively1~g16,
To obtain each weighing plate pressure P1~P4, and available test vehicular gross combined weight Ptotal, can be divided according to following formula
Horizontality test vehicle wheelbase L, front and rear wheel are not calculated away from T1、T2:
Wherein: Q1、Q5The fore-and-aft distance of respectively forward and backward single weighing plate sensor installation point；Q2Weighing is pressed by axle
Fore-and-aft distance between plate sensor installation point；Q3For the lateral distance of single weighing plate sensor installation point；Q4For left and right wheels institute
Press the lateral distance between weighing plate sensor installation point；g1~g16Pressure suffered by respectively each weighing plate sensor；P1~P4
Respectively each weighing plate pressure, formula T1: forward direction drives when upper testing stand to be front tread, it is reverse drive be when upper testing stand
Rear tread, formula T2: it is rear tread when forward direction drives to appear on the stage, is front tread when reverse driving is appeared on the stage；
(2) testing stand is carried out to the overturning of predetermined angular, flip angle is measured by the angular transducer being set in rotary shaft, made
Vehicle is tested still in balance stationary state, measures the height of center of mass h for testing vehicle under heeling condition0:
Wherein: α is the angle of testing stand overturning；l1It is the distance for testing vehicle centroid distance front axle；T be test vehicle centroid away from
With a distance from vehicle middle line, and work as T2> T1When above formula, work as T2< T1When following formula.
2. automobile wheel track as described in claim 1, wheelbase, centroid position method for automatic measurement, which is characterized in that the step
(2) height of center of mass h in0The distance l of vehicle centroid distance front axle is tested needed for calculation formula1Calculation formula are as follows:
Wherein P3、P4For two weighing plate pressures；L is vehicle wheelbase；PtotalIt is total for test vehicle
Quality.
3. automobile wheel track as described in claim 1, wheelbase, centroid position method for automatic measurement, which is characterized in that the step
(2) height of center of mass h in0Mass center needed for calculation formula is away from vehicle middle line calculation formula are as follows:
Wherein P1~P4Respectively each weighing plate pressure；T1、T2For
Front and rear wheel away from；PtotalTo test vehicular gross combined weight.
4. automobile wheel track as described in claim 1, wheelbase, centroid position method for automatic measurement, which is characterized in that the step
(1) the vehicle wheelbase L, front and rear wheel in are away from T1、T2Height of center of mass h in measure equation and step (2)0Measure equation is that PLC is compiled
The built-in algorithm write is calculated by the one-key operation of testing stand operating system, and measured under horizontality in step (1)
Front and rear wheel is away from T1、T2, gross mass Ptotal, the storage of horizontal centroid data is for the height of center of mass h in step (2)0Secondary calculating.
5. automobile wheel track as described in claim 1, wheelbase, centroid position method for automatic measurement, which is characterized in that the step
(1), the testing stand in (2) includes the mechanical platform with testing stand basis in same plane and on the basis of one end is articulated with testing stand
Structure, mechanical platform structure upper surface are set there are four open slot, and weighing plate is respectively equipped in each open slot, each described
The weighing plate sensor is respectively equipped between weighing plate bottom surface left and right side and the slot bottom of corresponding opening slot, it is described mechanical flat
Lifting structures are equipped between platform structure and testing stand basis, the testing stand realizes angle rotation and positioning by lifting structures.
6. automobile wheel track as claimed in claim 5, wheelbase, centroid position method for automatic measurement, which is characterized in that each title
Two lateral support idler wheels are respectively equipped between the left and right side and corresponding opening slot of weight plate.
7. automobile wheel track as claimed in claim 6, wheelbase, centroid position method for automatic measurement, which is characterized in that the machinery
Platform structure one end is hinged by rotary shaft and testing stand basis, and the rotary shaft is equipped with the angular transducer.
8. automobile wheel track as claimed in claim 7, wheelbase, centroid position method for automatic measurement, which is characterized in that the lifting
Structure includes hydraulic cylinder, the cylinder body of the hydraulic cylinder and the suspension end of telescopic rod be individually fixed in the testing stand basis and
In the mechanical platform structure.
9. automobile wheel track as claimed in claim 8, wheelbase, centroid position method for automatic measurement, which is characterized in that the test
Stylobate plinth upper surface is equipped with stepped groove, and the mechanical platform structure is set in the stepped groove, and the one of the mechanical platform structure
End is articulated in ladder groove sidewall, and the other end of the mechanical platform structure is placed on the step of stepped groove.
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| CN109580097B (en) * | 2018-12-25 | 2021-01-05 | 南京工业大学 | Tractor rollover centroid detection experiment platform and detection method thereof |
| CN110654188B (en) * | 2019-10-28 | 2023-09-08 | 武汉齐物科技有限公司 | Tire pressure monitoring device and method for vehicle tires |
| CN110926696B (en) * | 2019-11-26 | 2021-04-09 | 北京新立机械有限责任公司 | Mass center measuring device for large special vehicle |
| CN111076946B (en) * | 2020-01-02 | 2020-11-06 | 中国科学院苏州生物医学工程技术研究所 | Method and device for automatically measuring wheel track, wheel width, wheel base, pose and mass center of vehicle |
| CN111168632B (en) * | 2020-02-25 | 2022-08-26 | 安阳市质量技术监督检验测试中心 | Large-scale part detection platform |
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| CN114509210B (en) * | 2022-02-21 | 2024-03-15 | 江铃汽车股份有限公司 | Vehicle-mounted mass and mass center position measuring method |
| CN116086579B (en) * | 2023-04-07 | 2023-06-16 | 四川省公路规划勘察设计研究院有限公司 | Portable pressure measurement system and pressure measurement method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7105387A (en) * | 1986-04-04 | 1987-10-08 | Voest-Alpine A.G. | Appliance for securing movable loading devices |
| WO1997047485A1 (en) * | 1996-06-13 | 1997-12-18 | Itt Manufacturing Enterprises, Inc. | Method of controlling vehicle handling |
| CN103267610A (en) * | 2013-05-08 | 2013-08-28 | 哈尔滨理工大学 | Vehicle centroid wheel load measuring system based on side-tipping method |
| EP2634555A1 (en) * | 2010-10-26 | 2013-09-04 | Kamacho Scale Co., Ltd. | Measurement device of position of center of gravity of vehicle to be measured on truck scale and truck scale |
| CN105823598A (en) * | 2016-03-22 | 2016-08-03 | 山东理工大学 | Passenger car mass center position measurement device and measurement and calculation method |
| CN107271195A (en) * | 2016-04-08 | 2017-10-20 | 重庆车辆检测研究院有限公司 | Automobile roll and side rollover testing table |
-
2017
- 2017-12-12 CN CN201711315305.1A patent/CN107991022B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7105387A (en) * | 1986-04-04 | 1987-10-08 | Voest-Alpine A.G. | Appliance for securing movable loading devices |
| WO1997047485A1 (en) * | 1996-06-13 | 1997-12-18 | Itt Manufacturing Enterprises, Inc. | Method of controlling vehicle handling |
| EP2634555A1 (en) * | 2010-10-26 | 2013-09-04 | Kamacho Scale Co., Ltd. | Measurement device of position of center of gravity of vehicle to be measured on truck scale and truck scale |
| CN103267610A (en) * | 2013-05-08 | 2013-08-28 | 哈尔滨理工大学 | Vehicle centroid wheel load measuring system based on side-tipping method |
| CN105823598A (en) * | 2016-03-22 | 2016-08-03 | 山东理工大学 | Passenger car mass center position measurement device and measurement and calculation method |
| CN107271195A (en) * | 2016-04-08 | 2017-10-20 | 重庆车辆检测研究院有限公司 | Automobile roll and side rollover testing table |
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