CN108344382A - Digitlization snap-gauge and its measurement method with positioning compensation function - Google Patents
Digitlization snap-gauge and its measurement method with positioning compensation function Download PDFInfo
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- CN108344382A CN108344382A CN201810057277.6A CN201810057277A CN108344382A CN 108344382 A CN108344382 A CN 108344382A CN 201810057277 A CN201810057277 A CN 201810057277A CN 108344382 A CN108344382 A CN 108344382A
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- substrate
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- gauge
- digitlization
- car body
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
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- 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
- G01B21/02—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 length, width, or thickness
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- 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
- G01B21/02—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 length, width, or thickness
- G01B21/04—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 length, width, or thickness by measuring coordinates of points
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention provides a kind of digitlization snap-gauge and its measurement method with positioning compensation function, including：Substrate, detent mechanism, displacement sensor, visual sensor, controller, the substrate is by detent mechanism across on the surface of tested car body；Wherein：The detent mechanism is located at the lower section of the substrate, is used to support substrate, and limit the relative position of the substrate and tested car body；Institute's displacement sensors are mounted on the inside of substrate, and vertical with surface holding where the default measurement point on tested car body, the default measurement point for measuring tested car body；The visual sensor is located at the both sides of substrate, the both sides of the edge for measuring tested car body；The controller is mounted on the content of substrate, and is electrically connected with institute displacement sensors, visual sensor, the data for receiving and handling institute's displacement sensors, visual sensor measurement obtains.Positioning accuracy of the present invention is high, can measure car body profile variation in real time in production scene, measuring speed is fast.
Description
Technical field
The present invention relates to train body profilometry fields, and in particular, to the number with positioning compensation function
Change snap-gauge and its measurement method.
Background technology
In compartment manufacturing process, the components such as the roof to compartment car body, side wall are needed to carry out on-line checking, to obtain
Take accurate form parameter.
Currently, the car body profile testing method used in train production scene is usually to be utilized using metal snap-gauge as template
The mode of gap size between ruler manual measurement car body and snap-gauge obtains form variations information.This detection mode measures
Precision is low, efficiency is low, poor reliability, and the related data of production process can not automatically save, and can not achieve product quality and chases after
It traces back, cannot be satisfied modern production demand.For this problem, automatic measurement technology is had also been proposed.For general big ruler
Very little objective contour three-dimensional measurement, live automatic measurement mode mainly have：Binocular stereo imaging method, digital projection raster method and
The deflection method of measurement.
Binocular stereo imaging method is the same area for using two vision probes while aiming at measured target, passes through feature
Match and be calculated the spatial position coordinate of characteristic point.But binocular stereo imaging method measurement process is complicated, characteristic matching is easy
Error, depth survey precision are low, are not suitable for car body profile measurement.Digital projection raster method is to think tested table using digital projector
Face transmits one group of grating fringe, and the image that grating fringe is obtained using the video camera of side is obtained finally to image real time transfer
The three-D profile of measured surface.But the measurement accuracy of digital projection raster method is larger by range effects are measured, especially on surface
When there is greater obliquity, measurement error significantly increases, and cannot be satisfied car body profile measurement demand.The deflection method of measurement is rigid at one
Property snap-gauge on several displacement sensors are installed, form a digitlization snap-gauge, directly between measurement snap-gauge and tested car body away from
From deviation, to realize the measurement of snap-gauge profile.But the deflection method of measurement is a kind of relative measurement, digital snap-gauge and quilt
Positioning accuracy between measuring car body directly affects profile measurement precision, and often cannot get in the positioning accuracy of production scene snap-gauge
Ensure, therefore Surveying Actual Precision is low.
Invention content
For the defects in the prior art, the object of the present invention is to provide a kind of digitlization cards with positioning compensation function
Plate and its measurement method.
In a first aspect, a kind of digitlization snap-gauge with positioning compensation function provided by the invention, including：Substrate, positioning
Mechanism, displacement sensor, visual sensor, controller, the substrate is by detent mechanism across on the surface of tested car body；
Wherein：
The detent mechanism is located at the lower section of the substrate, is used to support substrate, and limit the substrate and tested car body
Relative position；Stable and reliable relative position relation is kept using detent mechanism and tested car body, to ensure to survey every time
The location consistency of amount improves measurement reproducibility；
Institute's displacement sensors are mounted on the inside of substrate, and are kept with surface where the default measurement point on tested car body
Vertically, the default measurement point for measuring tested car body；Wherein, displacement sensor is multiple non-contact displacement sensors, displacement
The quantity of sensor is consistent with measurement point quantity；And measurement point quantity is set according to actual conditions；
The visual sensor is located at the both sides of substrate, the both sides of the edge for measuring tested car body；
The controller is mounted on the content of substrate, and is electrically connected with institute displacement sensors, visual sensor, for connecing
It receives and handles institute's displacement sensors, the data that visual sensor measurement obtains.
Optionally, the substrate is internally provided with multiple crisscross rigid backbones, and the outside of the substrate is provided with
The protective plate of lightweight metal material support.Substrate using light-weight metal material make, with ensure snap-gauge have it is sufficiently high rigidity,
Reducing distortion ensures measurement accuracy；In order to reduce the dead weight of substrate, the hollow honeycomb similar to airplane wings is used inside substrate
Structure, substrate outside are lightweight thin type protective plate, realize functions of waterproof and dustproof.
Optionally, the detent mechanism includes：Two groups of vertical location devices and two groups of transverse positioning mechanisms, wherein：
Two groups of vertical location devices are used to support the total weight of substrate, so that substrate is maintained on the surface of tested car body
Side；
Two groups of transverse positioning mechanisms are located at the lower section at the substrate both ends, and respectively with the both ends transverse elasticity of tested car body
Contact, the transverse shifting for eliminating substrate.
Optionally, the distance between the fulcrum of two groups of vertical location devices is about the 5/9 of substrate overall length, and two groups of longitudinal registers
Mechanism according to substrate center symmetric setting；So that the deformation of substrate is minimum.
Two groups of vertical location devices are all made of universal ball structure, exist for while supporting substrate, rolling adjusting substrate
Position on the surface of tested car body.Two groups of vertical location devices and two groups of transverse positioning mechanisms are all made of two point supporting form,
The span of two supporting points is all higher than the height of snap-gauge, to effectively prevent snap-gauge phenomenon of toppling occur.
Optionally, further include battery pack, the battery pack is used to provide to displacement sensor, visual sensor, controller
Electric energy.Battery pack is built within snap-gauge, and can be that all displacement sensors, visual sensor and controller are unified powers, full
The requirement of sufficient continuous work.For example, battery pack uses rechargeable type lithium battery, and it is built within snap-gauge, to be all
Displacement sensor, visual sensor and controller are unified to power, and meets the requirement of continuous work.
Optionally, institute's displacement sensors are multiple, and multiple institute's displacement sensors will be measured using serial communication mode
Obtained data are transferred to the controller.Such as the company of all displacement sensors and controller can be realized using a cable
It connects and is acquired with data, reduce the weight load for the multi-cable that parallel acquisition generates.
Optionally, institute's displacement sensors are additionally provided with independent positioning plate, and the positioning plate includes that there are three mutually just
The positioning surface of friendship, three mutually orthogonal positioning surfaces are for being registrated corresponding three reference planes of institute's displacement sensors.From
And ensures the position of displacement sensor and meet design requirement with posture.
Optionally, the visual sensor uses the integrated transducer being made of camera, camera lens and lighting source,
In, the camera lens is mounted on camera, and the lighting source is disposed circumferentially on the outside of camera lens and uses LED annular light sources.It realizes
Light filling illumination is carried out to tested car body.
Optionally, the controller includes：Industrial personal computer and converter, the industrial personal computer are provided with for receiving user's operation
The touch screen of signal, and being electrically connected with institute displacement sensors by the universal serial bus of the converter, by preset interface with
The visual sensor electrical connection.The operation panel of controller exposes to snap-gauge surface, easy to operation.
Optionally, can also be that the digitlization snap-gauge with positioning compensation function is equipped with a standard component, which adopts
Mark is measured to depict, by designing firm support base shape in defined measurement point with one section of actual tested car body
At a fixed monoblock type standard component, it is convenient for proving operation and mobile transport.
Second aspect, the present invention provide a kind of measurement method of the digitlization snap-gauge with positioning compensation function, Ke Yiying
With the digitlization snap-gauge with positioning compensation function described in any one of first aspect, the method includes：
Measure the profile of each point position on the corresponding standard component of digitlization snap-gauge with positioning compensation function
The physical length of distance and standard component, and using the data measured as a reference value input controller；
The digitlization snap-gauge with positioning compensation function is placed on the standard component, and according to the prompt of controller
Carry out fine position；After fine position, after the controller receives calibration instruction information input by user, automatically
The measurement result for preserving all displacement sensors and visual sensor, using the measurement result as zero value；
The digitlization snap-gauge with positioning compensation function is placed on the surface of tested car body, and according to controller
Prompt carries out fine position；After fine position, lateral locking positioning mechanism；
By the digitlization clamp moving with positioning compensation function to position is measured, use is received in the controller
After the measurement instruction information of family input, the data of all displacement sensors and two visual sensors, analyzing processing are obtained automatically
The deviation for obtaining the profile and length of tested car body afterwards, the deviation is shown on the touch screen of controller and is preserved；
The digitlization snap-gauge with positioning compensation function is calculated by the sum of the reading value of two visual sensors
Deviations, and carry out the amendment of deviations；
The data preserved in controller are sent to the server of distal end.
Compared with prior art, the present invention has following advantageous effect：
Digitlization snap-gauge and its measurement method provided by the invention with positioning compensation function, by the lower section of substrate
Detent mechanism is set to limit the relative position of the substrate and tested car body；And displacement sensor is obtained by controller automatically
With the measurement result of visual sensor.Detent mechanism keeps stable and reliable relative position relation with tested car body, to protect
It demonstrate,proves the location consistency measured every time, improve measurement reproducibility.It is realized certainly using controller, displacement sensor and visual sensor
Dynamicization positions and DATA REASONING so that positioning accuracy is high, can measure car body profile variation, measuring speed in real time in production scene
Soon.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the digital clamp structure composition schematic diagram of the present invention；
Fig. 2 is the substrate internal structure schematic diagram of the present invention；
Fig. 3 is the detent mechanism support arrangement schematic diagram of the present invention；
Fig. 4 is the displacement sensor cascade system schematic diagram of the present invention；
Fig. 5 is the displacement sensor positioning plate structure schematic diagram of the present invention；
Fig. 6 is the visual sensor composed structure schematic diagram of the present invention；
Fig. 7 is the controller composed structure schematic diagram of the present invention；
Fig. 8 is the standard component composed structure schematic diagram of the present invention；
Fig. 9 is the deviations compensation principle schematic diagram of the present invention.
In figure, 1- substrates, 2- detent mechanisms, 21- vertical location devices, 22- transverse positioning mechanisms, 3- displacement sensors,
4- visual sensors, 5- controllers, 6- battery packs, 7- are tested car body, 8- support plates, 9- connecting rods, 10- positioning plates, 101-
One orthogonal positioning surface, the second orthogonal positioning surfaces of 102-, the orthogonal positioning surface of 103- thirds, 11- cameras, 12- camera lenses, 13- light sources,
14- industrial personal computers, 15- converters, 16- standard components, 17- support bases.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection domain.
As shown in Figure 1, a kind of digitlization snap-gauge with positioning compensation function that one embodiment of the invention provides, including：
The compositions such as substrate 1, detent mechanism 2, displacement sensor 3, visual sensor 4, controller 5, battery pack 6.Wherein：The substrate 1
Across on tested 7 surface of car body, stable and reliable relative position relation is kept by detent mechanism 2 and tested car body 7, and
Ensure the location consistency measured every time, improve measurement reproducibility.The detent mechanism 2 shares 4 groups, wherein 2 groups of localization machines
It sets up and supports the weight of entire digital snap-gauge in the lower section of substrate, realizes positioning of the snap-gauge in vertical direction；Other 2 groups of positioning
Mechanism is placed in the both ends of substrate, for realizing snap-gauge positioning in the horizontal direction.Institute's displacement sensors 3 are multiple noncontact digits
Displacement sensor, quantity are consistent with measurement points；Displacement sensor 3 is installed on inside snap-gauge, is respectively aligned to the phase of tested car body 7
Measurement point is answered, and vertical with measured point surface.The visual sensor 4 shares 2, is respectively arranged in the both ends of substrate 1, point
The both sides of the edge of car body 7 Miao Zhun be tested；The controller 5 is built in inside snap-gauge, with all displacement sensors 3, vision
Sensor 4 and battery pack 6 are connected, but the operation panel of controller 5 is exposed with snap-gauge surface, easy to operation.The battery
Group 6 is built within snap-gauge, and can be that all displacement sensors 3, visual sensor 4 and controller 5 are unified powers, and meets continuous
The requirement of work.
In section Example of the present invention, the making of light-weight metal material may be used in substrate 1, to ensure that it is sufficiently high that snap-gauge has
Rigidity, Reducing distortion, ensure measurement accuracy.For example, aluminium alloy, magnesium alloy, titanium alloy etc materials may be used.
In section Example of the present invention, the hollow honeycomb structure similar to airplane wings may be used inside substrate 1, such as scheme
Shown in 2.There are multiple crisscross support plates 8 and connecting rod 9 in 1 positioned inside of substrate, resists to reinforce its rigidity, improve it
The ability of curved and antitorque deformation, while the dead weight of substrate is reduced to the maximum extent, it is convenient for manual operation；The outside of substrate 1 is light
Matter thin type protective plate, realizes good functions of waterproof and dustproof.
In section Example of the present invention, 4 point location modes may be used in detent mechanism 2, are designed with 4 groups of detent mechanisms 2 altogether,
As shown in Figure 3.Two groups of vertical location devices 21 therein are located at the lower section of substrate 1, support all wt of snap-gauge, ensure snap-gauge
It is supported directly upon on the surface of tested car body 7；Other two groups of transverse positioning mechanisms 22 are located at the both ends of substrate, respectively with it is tested
The both ends of car body 7 laterally contact.
Further, in a preferred embodiment, the pivot distance of two groups of vertical location devices 21 is the 5/ of 1 overall length of substrate
9 or so, i.e. d=(5/9) L are arranged symmetrically between two parties, to ensure that deformation is minimum.
Further, in a preferred embodiment, two groups of vertical location devices 21 are all made of multi-directional ball, can be realized simultaneously
Support, positioning and the functional requirement rolled convenient for longitudinal movement snap-gauge, adjust position location of the snap-gauge on tested car body 7.
Further, in a preferred embodiment, two groups of transverse positioning mechanisms 22 are resilient support, with tested car body 7
Edge is Elastic Contact, to eliminate issuable snap-gauge transverse shifting, improves positioning accuracy；
Further, in a preferred embodiment, four groups of detent mechanisms are all made of two point supporting form, two supporting points
Span is all higher than the height of snap-gauge, i.e. t in figure>H, to effectively prevent snap-gauge phenomenon of toppling occur.
In section Example of the present invention, displacement sensor 3 may be used serial communication mode transmission and use data, such as
RS-485 etc. is reduced so as to realize that all displacement sensors and the connection of controller 5 are acquired with data using a cable
The weight load for the multi-cable that parallel acquisition generates.It is connect as shown in figure 4, all displacement sensors 3 are all made of RS-485 communications
Mouthful, it is connected by a cable, and among access controller 5, to realize that controller 5 acquires all displacements by a cable
The measurement data of sensor 3.
In section Example of the present invention, an independent positioning plate 10 is respectively set in displacement sensor 3, to ensure each position
The spatial position of displacement sensor 3 is in ideal state with posture, ensures measurement accuracy.There are three mutually for the tool of positioning plate 10
Mutually orthogonal positioning surface, these three positioning surfaces three reference planes corresponding with displacement sensor 3 are consistent, to ensure that displacement passes
The position of sensor 3 meets design requirement with posture.As shown in figure 5, the tool of positioning plate 10 is there are three orthogonal positioning surface, respectively the
One orthogonal positioning surface 101, the second orthogonal positioning surface 102, the orthogonal positioning surface 103 of third, respectively with the reference plane of displacement sensor 3
It is corresponding.
In section Example of the present invention, visual sensor is passed by the integration that camera 11, camera lens 12 and light source 13 form
Sensor, as shown in Figure 6；Camera 11 uses technical grade digital camera, and resolving power is according to the length variable quantity and survey for being tested car body
Depending on accuracy of measurement, such as the length over ends of body variable quantity of ± 100mm and the measurement resolution of 0.1mm, it is desirable that the picture of camera 11
Prime number should be no less than 2000pixel；Camera lens 12 is directly mounted on camera 11, and the visual angle of camera lens 12 is according to tested car body 7
Depending on length variable quantity and visual sensor 4 are at a distance from 7 edge of tested car body, such as the length over ends of body of ± 100mm is become
The operating distance of change amount and 100mm, it is desirable that the visual angle of camera lens 12 should be not less than 90 °；Light source 13 uses annular LED light source, surround
It is arranged in 12 outside of camera lens, light filling illumination is carried out to tested car body 7.
In section Example of the present invention, controller 5 is made of industrial personal computer 14 and converter 15, as shown in Figure 7；Industrial personal computer 14
For the integrated industrial personal computer with touch screen, it is integrated with reality that manipulation may be implemented；The string that industrial personal computer 14 passes through converter 15
Row bus connects all displacement sensors 3, and the displacement measurement data of all displacement sensors 3 are read in industrial personal computer 14；
Industrial personal computer 14 is connected by included interface with two visual sensors 4, and the image data of camera 11 in visual sensor 4 is read
Among entering industrial personal computer 14, while controlling the light source 13 in visual sensor 4；Industrial personal computer 14 is responsible for carrying out data processing, storage, meter
Calculation and the display of measurement result and system mode, while acceptable manual operation.
In section Example of the present invention, battery pack 6 is rechargeable type lithium battery, is built within snap-gauge, can be all
Displacement sensor 3, visual sensor 4 and controller 5 are unified to power, and meets the requirement of continuous work.
The digitlization snap-gauge with positioning compensation function in the various embodiments described above may be fitted with a standard component 16,
The standard component 16 uses one section of actual tested car body 7, and measurement mark is depicted in defined measurement point, firm by designing
Support base 17 form a fixed monoblock type standard component, be convenient for proving operation and mobile transport.As shown in figure 8, adopting
The standard component 16 formed with one section of tested car body 7 is fixed on support base 17, forms integrated modular form, is reduced and is become
Error caused by shape.The design of light-alloy tower structure can be used in support base 17, or whole marble may be used and make, with
Improve integral rigidity.Corresponding measurement point position depicts the marks such as some round, rectangular or cross hairs on standard component 16
Note, as the tick lables of measurement point, so that positioning measurement point position is used when demarcating and calibrating.
Based on above-mentioned digitlization clamp structure, the present invention provides a kind of digitlization snap-gauge with positioning compensation function
The embodiment of measurement method, the method includes：
Demarcating steps：Using three coordinate measuring machine or the 3-D measuring apparatus of other higher precision grades, measure one by one
The profile distance d of each measurement point position on standard component 16Si(i=1,2 ... n) and the physical length W of standard componentS, and as base
Quasi- value is input among the controller 5 of digital snap-gauge.
Calibration steps：Digital snap-gauge is placed on standard component 16, fine position is carried out under the prompt of controller 5, is arrived
The detent mechanism 2 that both ends are locked after position, clicks " calibration " button on 5 touch screen of controller, and controller 5 automatically saves at this time
The measurement result d of all displacement sensors 30i(i=1,2 ... n) and the measurement result L of two visual sensors 40、R0And it is long
Spend measured value W0=L0-R0, as zero value.
Installation steps：Digital snap-gauge is placed on tested car body 7, fine position is carried out under the prompt of controller 5, is arrived
The detent mechanism 2 that both ends are locked after position ensures that the position of digital snap-gauge is accurate and reliable.
Measuring process：By clamp moving to position is measured, click on 5 touch screen of controller<It measures>Button, controller 5
By the automatic reading value d for reading all displacement sensors at this timeiWith reading value L, R of visual sensor, obtained most by processing
The deviation of whole car body profile and length：Δ d=d-d0+dS, Δ W=(L-R)-W0+WS, which is shown in controller 5
Touch screen on, and automatically save in the hard disk of the industrial personal computer 14 in controller 5.
Compensation process：The positioning that industrial personal computer 14 calculates snap-gauge using the sum of reading value L, R of two visual sensors 4 is inclined
Difference, i.e. Δ P=(L+R)/2, to realize the amendment of deviations, as shown in Figure 9.
Forwarding step：It clicks on 5 touch screen of controller<It sends>All measurement results are packaged by button, industrial personal computer 14,
And the server of distal end is sent to by wireless network；
Shift step：A measurement position of tested car body 7, repeats above-mentioned measurement under pushing digital snap-gauge to reach
With transmission work, the measurement work up to completing all measurement positions.
Digitlization snap-gauge proposed by the present invention with positioning compensation function, not only can be realized simultaneously car body profile variation
With the non-contact automatic measurement of length, and can compensate automatically due to measurement error caused by deviations, high certainty of measurement,
Reliable and stable, overall weight is light, untethered can work for a long time, easy to use.This method can be additionally used in other measurement of correlation fields it
In.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or change within the scope of the claims, this not shadow
Ring the substantive content of the present invention.In the absence of conflict, the feature in embodiments herein and embodiment can arbitrary phase
Mutually combination.
Claims (10)
1. a kind of digitlization snap-gauge with positioning compensation function, which is characterized in that including：Substrate, detent mechanism, displacement sensing
Device, visual sensor, controller, the substrate is by detent mechanism across on the surface of tested car body；Wherein：
The detent mechanism is located at the lower section of the substrate, is used to support substrate, and limit the phase of the substrate and tested car body
To position；
Institute's displacement sensors are mounted on the inside of substrate, and keep hanging down with surface where the default measurement point on tested car body
Directly, the default measurement point for measuring tested car body；
The visual sensor is located at the both sides of substrate, the both sides of the edge for measuring tested car body；
The controller is mounted on the content of substrate, and be electrically connected with institute displacement sensors, visual sensor, for receive with
The data that processing institute displacement sensors, visual sensor measurement obtain.
2. the digitlization snap-gauge according to claim 1 with positioning compensation function, which is characterized in that inside the substrate
Multiple crisscross rigid backbones are provided with, the outside of the substrate is provided with the protective plate of lightweight metal material support.
3. the digitlization snap-gauge according to claim 1 with positioning compensation function, which is characterized in that the detent mechanism
Including：Two groups of vertical location devices and two groups of transverse positioning mechanisms, wherein：
Two groups of vertical location devices are used to support the total weight of substrate, so that substrate is maintained at the surface of tested car body；
Two groups of transverse positioning mechanisms are located at the lower section at the substrate both ends, and are connect respectively with the both ends transverse elasticity of tested car body
It touches, the transverse shifting for eliminating substrate.
4. the digitlization snap-gauge according to claim 3 with positioning compensation function, which is characterized in that two groups of longitudinal registers
Distance between the fulcrum of mechanism is about the 5/9 of substrate overall length, and two groups of vertical location devices are according to the center symmetric setting of substrate；
Two groups of vertical location devices are all made of universal ball structure, and substrate is adjusted tested for while supporting substrate, rolling
Position on the surface of car body.
5. the digitlization snap-gauge according to claim 1 with positioning compensation function, which is characterized in that further include battery
Group, the battery pack are used to provide electric energy to displacement sensor, visual sensor, controller.
6. the digitlization snap-gauge according to claim 1 with positioning compensation function, which is characterized in that the displacement sensing
Device is multiple, and multiple institute's displacement sensors are transferred to the controller using serial communication mode by obtained data are measured.
7. the digitlization snap-gauge according to claim 6 with positioning compensation function, which is characterized in that the displacement sensing
Device is additionally provided with independent positioning plate, and the positioning plate includes that there are three mutually orthogonal positioning surfaces, and described three mutually orthogonal
Positioning surface for being registrated corresponding three reference planes of institute's displacement sensors.
8. the digitlization snap-gauge according to claim 1 with positioning compensation function, which is characterized in that the visual sensing
Device uses the integrated transducer being made of camera, camera lens and lighting source, wherein the camera lens is mounted on camera, institute
Lighting source is stated to be disposed circumferentially on the outside of camera lens and use LED annular light sources.
9. the digitlization snap-gauge with positioning compensation function according to any one of claim 1-8, which is characterized in that institute
Stating controller includes：Industrial personal computer and converter, the industrial personal computer is provided with the touch screen for receiving user's operation signal, and leads to
It crosses the universal serial bus of the converter to be electrically connected with institute displacement sensors, be electrically connected by preset interface and the visual sensor
It connects.
10. a kind of measurement method of the digitlization snap-gauge with positioning compensation function, which is characterized in that apply claim 1-9
Any one of described in the digitlization snap-gauge with positioning compensation function, the method includes：
Measure the profile distance of each point position on the corresponding standard component of digitlization snap-gauge with positioning compensation function
With the physical length of standard component, and using the data measured as a reference value input controller；
The digitlization snap-gauge with positioning compensation function is placed on the standard component, and is carried out according to the prompt of controller
Fine position；After fine position, after the controller receives calibration instruction information input by user, automatically save
The measurement result of all displacement sensors and visual sensor, using the measurement result as zero value；
The digitlization snap-gauge with positioning compensation function is placed on the surface of tested car body, and according to the prompt of controller
Carry out fine position；After fine position, lateral locking positioning mechanism；
By the digitlization clamp moving with positioning compensation function to position is measured, it is defeated to receive user in the controller
After the measurement instruction information entered, the data of all displacement sensors and two visual sensors are obtained automatically, after analyzing processing
To the profile of tested car body and the deviation of length, the deviation is shown on the touch screen of controller and is preserved；
Determining for the digitlization snap-gauge with positioning compensation function is calculated by the sum of the reading value of two visual sensors
Position deviation, and carry out the amendment of deviations；
The data preserved in controller are sent to the server of distal end.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1754081A (en) * | 2003-02-24 | 2006-03-29 | 塞德斯股份公司 | Method for the contactless measurement of an object |
| KR20070107665A (en) * | 2004-12-16 | 2007-11-07 | 벤텔러 오토모빌테크니크 게엠베하 | Device for measuring parts by triangulation sensors and an evaluation unit for determining |
| CN201575794U (en) * | 2009-11-27 | 2010-09-08 | 刘洪云 | Precision measurement device for long wave irregularity of high-speed railway track |
| CN201622065U (en) * | 2009-12-09 | 2010-11-03 | 麻伟明 | Automatic dynamic overall dimension measuring device for vehicles |
| CN103477185A (en) * | 2011-04-14 | 2013-12-25 | 赫克斯冈技术中心 | Measuring system for determining 3D coordinates of an object surface |
| CN104330030A (en) * | 2014-11-19 | 2015-02-04 | 吉林大学 | Fixed type automotive integral size and shape initiative vision measuring system |
| CN107255463A (en) * | 2017-05-26 | 2017-10-17 | 珠海格力电器股份有限公司 | Positioning measurement device and positioning measurement method |
-
2018
- 2018-01-22 CN CN201810057277.6A patent/CN108344382B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1754081A (en) * | 2003-02-24 | 2006-03-29 | 塞德斯股份公司 | Method for the contactless measurement of an object |
| KR20070107665A (en) * | 2004-12-16 | 2007-11-07 | 벤텔러 오토모빌테크니크 게엠베하 | Device for measuring parts by triangulation sensors and an evaluation unit for determining |
| CN201575794U (en) * | 2009-11-27 | 2010-09-08 | 刘洪云 | Precision measurement device for long wave irregularity of high-speed railway track |
| CN201622065U (en) * | 2009-12-09 | 2010-11-03 | 麻伟明 | Automatic dynamic overall dimension measuring device for vehicles |
| CN103477185A (en) * | 2011-04-14 | 2013-12-25 | 赫克斯冈技术中心 | Measuring system for determining 3D coordinates of an object surface |
| CN104330030A (en) * | 2014-11-19 | 2015-02-04 | 吉林大学 | Fixed type automotive integral size and shape initiative vision measuring system |
| CN107255463A (en) * | 2017-05-26 | 2017-10-17 | 珠海格力电器股份有限公司 | Positioning measurement device and positioning measurement method |
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