CN107678037A - A kind of Vehicle Driving Wandering measurement apparatus and its measuring method - Google Patents
A kind of Vehicle Driving Wandering measurement apparatus and its measuring method Download PDFInfo
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- CN107678037A CN107678037A CN201710717692.5A CN201710717692A CN107678037A CN 107678037 A CN107678037 A CN 107678037A CN 201710717692 A CN201710717692 A CN 201710717692A CN 107678037 A CN107678037 A CN 107678037A
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- 238000005259 measurement Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000009966 trimming Methods 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 238000000691 measurement method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to a kind of Vehicle Driving Wandering measurement apparatus and measuring method, including laser measuring device for measuring, the laser measuring device for measuring includes laser range finder, pedestal and locater plate；The laser range finder is spindle rotationally arranged on the pedestal, and the left and right of the laser range finder is adjustable to position, upward and downward position and the angle of pitch；The locater plate be arranged on vehicle to be measured or the measurement dolly that is connected with vehicle to be measured on.The laser measuring device for measuring also includes anglec of rotation reading device to measure and read the rotational angle of the laser range finder.The laser measuring device for measuring also includes trigger device.The measurement dolly includes trolley body, wheel and towing device；The wheel is arranged on the bottom both sides of the trolley body, and the towing device is arranged on one end of the trolley body to be connected with automobile to be measured.Funnel is additionally provided with the measurement dolly to hold liquid, and the outlet of the funnel is provided with switch.The present invention is simple in construction, and cost is low.
Description
Technical field
The invention belongs to automotive performance to examine field of measuring technique, and in particular to a kind of Vehicle Driving Wandering measurement apparatus and its survey
Amount method.
Background technology
During Vehicle Driving Wandering refers to automobile straight-line travelling on flat road, voluntarily deviate to side, cause vapour
The inconsistent traveling phenomenon of center line of the line of axis center and driving trace before and after car occurs.Vehicle Driving Wandering, which easily causes, to be gnawed
Tire, it can cause to wait unsafe condition to lose control of one's vehicle when serious, so, the detection of Vehicle Driving Wandering is extremely important.But all the time, big portion
Point manufacturer is judged by the experience of staff, not good detection method.With the development of science and technology, image mould
The new technologies such as plan, GPS are gradually applied in Vehicle Driving Wandering detection, but these devices are relatively complicated, and cost is also high, are failed universal
Use.
The content of the invention
The present invention devises a kind of Vehicle Driving Wandering measurement apparatus and its measuring method, which solves automobile race in the prior art
The problem of inclined structure of the detecting device is complicated, cost is high.
In order to solve above-mentioned technical problem, present invention employs following scheme：
A kind of Vehicle Driving Wandering measurement apparatus, including laser measuring device for measuring, the laser measuring device for measuring include laser range finder, pedestal
And locater plate；The laser range finder is spindle rotationally arranged on the pedestal, and the left and right of the laser range finder to position,
Upward and downward position and the angle of pitch are adjustable；The measurement dolly that the locater plate is arranged on vehicle to be measured or is connected with vehicle to be measured
On.
Further, the pedestal includes bottom bracket and the supporting plate being arranged on bottom bracket, the bottom bracket
Height adjustable；The laser range finder is arranged in the supporting plate.
Further, the bottom bracket is four foot supports.By the way that four " legs " are broken into two with one's hands or tightened up, you can realize that height can
Adjust.
Further, the laser range finder is arranged on by trimming rack in the supporting plate of the pedestal；The fine setting branch
Frame includes mounting seat, adjusting rod and support bar, and the laser range finder is rotatably arranged on the mounting seat of the trimming rack
On, mounting seat lower beams connected by adjusting rod with support bar with finely tune position of the laser range finder on upward and downward and
The angle of pitch, the support bar are fixed in the supporting plate of the pedestal.
Further, the adjusting rod includes a pair of symmetrically arranged clamping plates, one end of clamping plate and mounting seat bottom branch
Bar is rotatably connected to adjust the angle of pitch of the laser range finder, the other end of clamping plate and the support bar be rotatably connected with
Finely tune position of the laser range finder on upper-lower height direction.
Further, adjustable plate, institute are provided between the supporting plate of the trimming rack of the laser range finder and the pedestal
State be provided between the supporting plate of adjustable plate and the pedestal left and right to rail structure, in order to adjust the laser range finder
Left and right to position.
Further, the laser measuring device for measuring also includes anglec of rotation reading device to measure and read the laser ranging
The rotational angle of instrument, the anglec of rotation reading device include angle dial plate or angular transducer.
Further, the laser measuring device for measuring also includes trigger device.
Further, measure groove is provided with the locater plate.
Further, the measurement dolly includes trolley body, wheel and towing device；The wheel is arranged on the dolly
The bottom both sides of body, the towing device are arranged on one end of the trolley body to be connected with automobile to be measured.
Further, the trolley body is cuboid framework structure, and its outside each surface is surrounded by metallic plate.
Further, funnel is additionally provided with to hold the liquid of mark garage track on the measurement dolly, the funnel
Outlet is provided with switch.
A kind of Vehicle Driving Wandering measuring method, including mark trajectory measurement method and/or laser ranging method；
The mark trajectory measurement method measures liquid in the funnel on dolly and travelled with car by measuring the track of automobile to be measured
The track left, the lateral separation between being marked with corresponding measurement point calculate Vehicle Driving Wandering amount；
The laser ranging method, in each measurement point, the survey on automobile to be measured or on measurement dolly is measured using laser measuring device for measuring
Distance away from plate, the angle that is turned over by the change and laser range finder that calculate locater plate distance calculate Vehicle Driving Wandering amount.
A kind of Vehicle Driving Wandering measuring method, it is preferred that comprise the following steps：First, on flat forthright, at least two are chosen
Locate position as measurement point, and ensure that the distance between adjacent measurement points disclosure satisfy that measurement request, mark is carried out in each measurement point
Note is respectively mounted trigger device and laser measuring device for measuring in order to be measured using mark method of loci in each measurement point；
Then, measurement dolly is linked to automobile tail to be measured, liquid inserted in the funnel of measurement dolly, now bell mouth is closed
Close, locater plate is arranged on measurement dolly side plane；
Secondly, driver opens bell mouth switch, and reach speed and keep certain speed before first measurement point is reached
Degree, while steering wheel is unclamped, ensure that automobile can keep certain speed to pass through each measurement point；Using mark method of loci measurement
When, by measuring the track of automobile to be measured, that is, the track that liquid leaves with car traveling in the funnel on dolly is measured, it is and corresponding
Lateral separation between measurement point mark calculates Vehicle Driving Wandering amount；During using laser ranging method, when automobile to be measured passes through each survey
During amount point, the laser measuring device for measuring of each measurement point is opened by corresponding trigger device, with successively to the survey on measurement dolly
Ranging is carried out away from plate, to calculate Vehicle Driving Wandering amount；
Finally, each measurement data is handled, is compared, analysis measurement result.
The Vehicle Driving Wandering measurement apparatus and its measuring method have the advantages that：
（1）The present invention, using laser non-contact measuring, vehicle static running deviation value can be quickly determined, also can be some by increasing
Laser measuring device for measuring, Vehicle Driving Wandering amount under different constant speeds is measured, can also be by marking method of loci intuitively to measure automobile dynamic
Running deviation value, also braking deviation of automobile amount can be analyzed, can preferably be sent out using mark method of loci and laser ranging method, help simultaneously
Now and preventing car sideslip.
（2）The present invention is simple in construction, and cost is low, has a clear superiority.
Brief description of the drawings
Fig. 1：The structural representation of laser measuring device for measuring in first embodiment of the invention；
Fig. 2：Instrumentation plan in first embodiment of the invention；
Fig. 3：The structural representation of dolly is measured in second embodiment of the invention；
Fig. 4：Dynamic instrumentation plan in second embodiment of the invention.
Description of reference numerals：
1-measurement dolly；11-trolley body；12-funnel；13-wheel；14-towing device；2-laser measuring device for measuring；
21-laser range finder；22-trimming rack；23-pedestal；24-locater plate；241-measure groove；25-adjustable plate；26-angle
Spend sensor mounting location；3-trigger device；4-automobile.
Embodiment
Below in conjunction with the accompanying drawings, the present invention will be further described：
Fig. 1 to Fig. 2 shows a kind of first embodiment of Vehicle Driving Wandering measurement apparatus of the present invention.Fig. 1 is first embodiment
The structural representation of laser measuring device for measuring in the middle present invention；Fig. 2 is instrumentation plan of the invention in first embodiment.
As shown in figure 1, laser measuring device for measuring 2 includes laser range finder 21, pedestal 23 and locater plate 24, laser range finder 21
It is spindle rotationally arranged on pedestal 23, and the left and right of laser range finder 21 is adjustable to position, upward and downward position and the angle of pitch.Ranging
Plate 24 is arranged on afterbody or the side of vehicle to be measured, or the measurement dolly of auxiliary.Pedestal 23 includes bottom bracket and is arranged on
Supporting plate on bottom bracket, the height adjustable of bottom bracket.In the present embodiment, bottom bracket is four foot supports, by by four
Individual " leg " is broken into two with one's hands or tightened up, you can realizes height adjustable.
As shown in figure 1, it is additionally provided with adjustable plate 25 between the supporting plate of laser range finder 21 and pedestal 23.The He of adjustable plate 25
Be provided between the supporting plate of pedestal 23 left and right to rail structure, in order to adjust laser range finder 21 or so to position.
As shown in figure 1, laser range finder 21 is arranged on adjustable plate 25 by trimming rack 22.Trimming rack 22 includes peace
Seat, adjusting rod and support bar are filled, laser range finder 21 is rotatably arranged in the mounting seat of trimming rack 22, mounting seat bottom
Pole is connected by adjusting rod with support bar to finely tune position and the angle of pitch of the laser range finder 21 on upper-lower height direction, branch
Strut is fixed on adjustable plate 25.Adjusting rod includes a pair of symmetrically arranged clamping plates, and one end of clamping plate and mounting seat lower beams can
To adjust the angle of pitch of laser range finder 21, the other end and support bar of clamping plate are rotatably connected to finely tune Laser Measuring for rotation connection
Position of the distance meter 21 on upper-lower height direction.
Laser measuring device for measuring 2 also includes anglec of rotation reading device, and anglec of rotation reading device can be angle dial plate,
Either angular transducer.The installation site 26 that angular transducer angular transducer is employed in the present embodiment is as shown in Figure 1.
As shown in figure 1, being provided with measure groove 241 on locater plate 24, measure groove 241 is the certain groove of width, with shape or
Person's color marking.During static measurement, because the position deviation in overall width direction is by extreme influence measurement accuracy, therefore uses and survey
Determine groove and ensure that laser can quickly determine basic same position by visual observation in overall width direction.
During measurement, as shown in Fig. 2 locater plate 24 is installed into the afterbody of automobile 4, and reliably fix to avoid rocking.Automobile 4
Direction is beaten just to be parked in flat road surface afterwards, by laser measuring device for measuring 2 be arranged on automobile 4 behind, and measure laser measuring device for measuring 2 its
Itself determines the initial level distance between groove 241 locater plate 24.Then, the low speed on flat forthright of automobile 4 is started to move
One segment distance simultaneously stops, and reuses laser measuring device for measuring 2, measurement laser measuring device for measuring 2 its own with locater plate 24 determine groove
Horizontal range between 241, while read when measuring twice, laser range finder 21 horizontally rotates angle difference, so as to calculate
Go out vehicle static running deviation value.
Present embodiment is simple in construction, using laser non-contact measuring, can quickly determine vehicle static running deviation value, be beneficial to
Simply investigation and problem analysis in bulk.Measured with reference to Vehicle Driving Wandering dynamic, can preferably find simultaneously preventing car sideslip.
Fig. 3 and Fig. 4 shows a kind of second embodiment of Vehicle Driving Wandering measurement apparatus of the present invention.Fig. 3 is the second implementation
The structural representation of measurement dolly in mode in the present invention；Fig. 4 is dynamic measurement signal of the invention in second embodiment
Figure.The Vehicle Driving Wandering measurement apparatus of second embodiment of the invention and the Vehicle Driving Wandering measurement apparatus of first embodiment of the invention
Structure it is essentially identical, difference in second embodiment of the invention, adding measurement dolly 1 and laser measurement dress
Put 2 and add trigger device 3, and locater plate 24 is arranged on the side plane of measurement dolly 1.
As shown in figure 3, measurement dolly 1 includes trolley body 11, wheel 13 and towing device 14.Trolley body 11 is rectangular
Body structural framing structure, each surface of rectangular parallelepiped structure frame structure are surrounded by metal level, and wheel 13 is arranged on rectangular parallelepiped structure
Bottom both sides.Towing device 14 is arranged on one end of rectangular parallelepiped structure to be connected with automobile 4 to be measured.Measure the middle part of dolly 1 also
Funnel 12 is provided with, the outlet of funnel 12 is provided with switch.Liquid, such as colored sand are held in funnel 12, in order to mark vapour
The running orbit of car.The locater plate 24 of laser measuring device for measuring 2 is additionally provided with the side of trolley body 11.
During measurement, as shown in figure 4, first, on flat forthright, correct position is chosen at least two as measurement point, and
Ensure that the distance between adjacent measurement points disclosure satisfy that measurement request（Such as it is spaced 1km）, three measurement points are have chosen in the present embodiment,
It is measurement point 1, measurement point 2 and measurement point 3 respectively；Mark is carried out in each measurement point in order to be measured using mark method of loci,
Trigger device 3 and laser measuring device for measuring 2 are installed in each measurement point.
Then, measurement dolly 1 is linked to automobile tail, firmly installs and avoid dolly from swinging；By liquid（Such as coloring
Sand）Insert in dolly funnel 12, treat to open bell mouth again in good time；Locater plate 24 is arranged on measurement dolly 1 side.
Secondly, driver will open bell mouth switch, reach speed and keep appropriate speed before measurement point 1 is reached
（Such as reach 60km/h）, while steering wheel is unclamped, and can keep appropriate speed in each measurement point, guarantee automobile（Such as reach
60km/h）Pass through；During using mark method of loci measurement, by the track for measuring automobile 4（Liquid leaves with car traveling i.e. in funnel
Track）Lateral separation between being marked corresponding measurement point calculates Vehicle Driving Wandering amount；During using laser ranging method, work as vapour
When car 4 is by each measurement point, the laser measuring device for measuring 2 of each measurement point is opened by corresponding trigger device 3, with successively to surveying
The locater plate measured on dolly carries out ranging, to calculate Vehicle Driving Wandering amount；
Finally, each measurement data is handled, is compared, analysis measurement result.
The present invention can be by marking method of loci intuitively to measure automobile dynamic running deviation value, also can be by increasing some laser measurements
Device 2, measure Vehicle Driving Wandering amount under different constant speeds.It can also help to divide simultaneously using mark method of loci and laser ranging method
Analyse braking deviation of automobile amount.In the present embodiment, while employ mark method of loci and laser ranging method.Surveyed relative to other dynamics
Device is measured, the present invention is simple in construction, and cost is low, has a clear superiority.
Exemplary description is carried out to the present invention above in conjunction with accompanying drawing, it is clear that realization of the invention is not by aforesaid way
Limitation, it is or not improved by the present invention as long as employing the various improvement of inventive concept and technical scheme of the present invention progress
Design and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (10)
1. a kind of Vehicle Driving Wandering measurement apparatus, it is characterised in that including laser measuring device for measuring, the laser measuring device for measuring includes swashing
Optar, pedestal and locater plate；The laser range finder is spindle rotationally arranged on the pedestal, and the laser range finder
Left and right it is adjustable to position, upward and downward position and the angle of pitch；The locater plate is arranged on vehicle to be measured or connected with vehicle to be measured
On the measurement dolly connect.
2. Vehicle Driving Wandering measurement apparatus according to claim 1, it is characterised in that the pedestal includes bottom bracket and set
Put the supporting plate on bottom bracket, the height adjustable of the bottom bracket；The laser range finder is arranged on the supporting plate
On.
3. Vehicle Driving Wandering measurement apparatus according to claim 1 or 2, it is characterised in that the laser range finder passes through micro-
Support is adjusted to be arranged in the supporting plate of the pedestal；The trimming rack includes mounting seat, adjusting rod and support bar, the laser
Rotatably in the mounting seat of the trimming rack, mounting seat lower beams are connected rangefinder by adjusting rod and support bar
Connect to finely tune position and the angle of pitch of the laser range finder on upward and downward, the support bar is fixed on the support of the pedestal
On plate.
4. Vehicle Driving Wandering measurement apparatus according to claim 3, it is characterised in that the adjusting rod is symmetrically set including a pair
The clamping plate put, one end of clamping plate and the mounting seat lower beams are rotatably connected to adjust the pitching of the laser range finder
Angle, the other end of clamping plate and the support bar are rotatably connected to finely tune position of the laser range finder on upper-lower height direction
Put.
5. according to the Vehicle Driving Wandering measurement apparatus described in claim 1,2 or 4, it is characterised in that the laser range finder it is micro-
Adjust and be provided with adjustable plate between support and the supporting plate of the pedestal, set between the adjustable plate and the supporting plate of the pedestal
Have left and right to rail structure, in order to adjust described laser range finder or so to position.
6. Vehicle Driving Wandering measurement apparatus according to any one of claims 1 to 5, it is characterised in that the laser measuring device for measuring
Also include anglec of rotation reading device to measure and read the rotational angle of the laser range finder, the anglec of rotation reads dress
Put including angle dial plate or angular transducer.
7. Vehicle Driving Wandering measurement apparatus according to any one of claims 1 to 5, it is characterised in that the laser measuring device for measuring
Also include trigger device.
8. Vehicle Driving Wandering measurement apparatus according to any one of claims 1 to 7, it is characterised in that on the measurement dolly also
Funnel is provided with to hold the liquid of mark garage track, the outlet of the funnel is provided with switch.
9. a kind of Vehicle Driving Wandering measuring method, it is characterised in that including mark trajectory measurement method and/or laser ranging method；
The mark trajectory measurement method measures liquid in the funnel on dolly and travelled with car by measuring the track of automobile to be measured
The track left, the lateral separation between being marked with corresponding measurement point calculate Vehicle Driving Wandering amount；
The laser ranging method, in each measurement point, the survey on automobile to be measured or on measurement dolly is measured using laser measuring device for measuring
Distance away from plate, the angle that is turned over by the change and laser range finder that calculate locater plate distance calculate Vehicle Driving Wandering amount.
10. Vehicle Driving Wandering measuring method according to claim 9, it is characterised in that comprise the following steps：
First, on flat forthright, position is as measurement point at selection at least two, and ensures that the distance between adjacent measurement points can
Meet measurement request, mark is carried out in each measurement point in order to using mark method of loci measurement, be respectively mounted in each measurement point
Trigger device and laser measuring device for measuring；
Then, measurement dolly is linked to automobile tail to be measured, liquid inserted in the funnel of measurement dolly, now bell mouth is closed
Close, locater plate is arranged on measurement dolly side plane；
Secondly, driver opens bell mouth switch, and reach speed and keep certain speed before first measurement point is reached
Degree, while steering wheel is unclamped, ensure that automobile can keep certain speed to pass through each measurement point；Using mark method of loci measurement
When, by measuring the track of automobile to be measured, that is, the track that liquid leaves with car traveling in the funnel on dolly is measured, it is and corresponding
Lateral separation between measurement point mark calculates Vehicle Driving Wandering amount；During using laser ranging method, when automobile to be measured passes through each survey
During amount point, the laser measuring device for measuring of each measurement point is opened by corresponding trigger device, with successively to the survey on measurement dolly
Ranging is carried out away from plate, to calculate Vehicle Driving Wandering amount；
Finally, each measurement data is handled, is compared, analysis measurement result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717692.5A CN107678037B (en) | 2017-08-21 | 2017-08-21 | Automobile deviation measuring device and measuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717692.5A CN107678037B (en) | 2017-08-21 | 2017-08-21 | Automobile deviation measuring device and measuring method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107678037A true CN107678037A (en) | 2018-02-09 |
| CN107678037B CN107678037B (en) | 2021-12-14 |
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| CN201710717692.5A Active CN107678037B (en) | 2017-08-21 | 2017-08-21 | Automobile deviation measuring device and measuring method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057297A (en) * | 2019-04-15 | 2019-07-26 | 武汉科技大学 | A kind of automobile minimum turning diameter measuring system and method based on LD ranging |
| CN112050754A (en) * | 2020-09-02 | 2020-12-08 | 奇瑞商用车（安徽）有限公司 | Automobile straight line deviation measuring system based on laser measurement and measurement judging method |
| CN113044048A (en) * | 2021-03-31 | 2021-06-29 | 东风商用车有限公司 | Method, device and equipment for identifying vehicle deviation and readable storage medium |
| WO2022082910A1 (en) * | 2020-10-22 | 2022-04-28 | 罗必锋 | Detection device for extreme speed test of automobile |
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