CN206772226U - A kind of chassis roll shape beam size on-line automatic detection device - Google Patents
A kind of chassis roll shape beam size on-line automatic detection device Download PDFInfo
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- CN206772226U CN206772226U CN201720269780.9U CN201720269780U CN206772226U CN 206772226 U CN206772226 U CN 206772226U CN 201720269780 U CN201720269780 U CN 201720269780U CN 206772226 U CN206772226 U CN 206772226U
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- roll shape
- shape beam
- chassis roll
- structured light
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Abstract
The utility model belongs to automatic measurement technical field, and disclose a kind of chassis roll shape beam size on-line automatic detection device, including frame and rice counting wheel, encoder, line laser structured light sensor group and dot laser displacement transducer group, rice counting wheel is connected by connecting shaft with encoder, and rice counting wheel is located at the top of chassis roll shape beam and contacted with chassis roll shape beam；Line laser structured light sensor group has at least two line laser structured light sensors；Dot laser displacement transducer group is provided with two groups, wherein first group of dot laser displacement transducer group is located at the right of the line laser structured light sensor group, it has at least three line laser structured light sensors；For second group of dot laser displacement transducer group positioned at the right of first group of dot laser displacement transducer group, it has at least four line laser structured light sensors.The utility model uses non-contact measurement, is particularly suitable for measuring quick change in displacement, it is possible to achieve the demand of the dimensional measurement on chassis roll shape beam surface.
Description
Technical field
The utility model belongs to automatic measurement technical field, online more particularly, to a kind of chassis roll shape beam size
Automatic detection device.
Background technology
Laser measurement principle is a kind of non-contact measurement principle.It is quick that such sensor is particularly suitable for measurement
Change in displacement, and without applying external force on testee.
Line laser structured light measurement sensor, its measuring principle are based on triangulation, are thrown line laser by laser line generator
Workpiece surface is mapped to, striations is modulated on testee surface, occured bending and deformation, the laser strip that will be modulated by camera
Line is filmed, can be in the hope of striations institute projection area by the geometry imaging model of camera and the equations simultaneousness of laser plane
The 3 d space coordinate in domain.Compared with general optical measurement, line laser measurement is with non-cpntact measurement, measuring speed is fast, surveys
The advantages such as accuracy of measurement improves, anti-interference is good, are one of currently used three-dimensional measurement technologies.It is in reverse-engineering, industrial matter
The fields such as amount detection, 3D printing, part reparation are widely used.
Dot laser displacement transducer, its measuring principle are also based on triangulation, the laser beam that laser diode is sent
It is irradiated to testee surface.The light reflected is projected on photo-sensitive cell matrix, sensor arrives by one group of lens
The distance of testee can be accurately obtained by triangulation calculation rule.Laser displacement sensor with its extensive environmental suitability,
The detection frequency and precision of superelevation, it is widely used in mobile phone detection, is machined, automobile making, precision instrument, point gum machine,
The field such as railroad rail detection and research and teaching.
Line laser structured light sensor and the measurement of dot laser displacement transducer multi-sensor cooperation, can give full play to two kinds of biographies
The advantage of sensor, line laser structured light sensor can be measured easily to the sectional dimension of chassis roll shape beam, dot laser position
Displacement sensor can measure to the size along chassis roll shape beam length direction including form and position tolerance etc., pass through two kinds of sensings
The multi-sensor cooperation measurement of device can be realized preferably to chassis roll shape beam size online automatic detection, and its Forming Quality is entered
Row quick detection, ensure product qualification rate.
Roll shape beam in chassis uses the contact type measurement of three coordinate measuring machine more at present, and its measurement accuracy is high, but measures effect
Rate is low, and belongs to off-line measurement, also has the measuring method using multiple spot laser displacement sensor cooperative, but it is difficult to
Meets the needs of measuring chassis roll shape beam section size.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model provides a kind of chassis roll shape beam size and existed
Line automatic detection device, it effectively solves the problems, such as that the measurement efficiency of existing contact off-line measurement is low and multiple spot laser displacement passes
The measuring method of sensor cooperative, measurement result are accurate.
To achieve the above object, according to the utility model, there is provided a kind of chassis roll shape beam size online automatic detection dress
Put, it is characterised in that rice counting wheel, encoder, the line laser structured light sensor being installed on including frame and jointly in the frame
Group and dot laser displacement transducer group, wherein,
The rice counting wheel is connected by connecting shaft with the encoder, and the rice counting wheel is located at the top of chassis roll shape beam simultaneously
Contacted with the chassis roll shape beam；
The line laser structured light sensor group has at least two line laser structured light sensors, each line laser structured light
Sensor is respectively positioned on the top of the chassis roll shape beam, and the line laser structured light sensor group is located at the right side of the rice counting wheel
Side, the laser plane that all line laser structured light sensors are sent are parallel；
The dot laser displacement transducer group is provided with two groups, wherein,
First group of dot laser displacement transducer group is located at the right of the line laser structured light sensor group, and it has at least three
Individual line laser structured light sensor, one of them described dot laser displacement transducer are located at the top of the chassis roll shape beam and hair
The laser rays vertical irradiation gone out is on the top end face of the chassis roll shape beam, at least two dot laser displacement sensings in addition
The laser rays vertical irradiation of device transmitting is on the leading flank of the chassis roll shape beam or trailing flank and the two described dot lasers
Displacement transducer is setting up and down；
Positioned at the right of first group of dot laser displacement transducer group, it has at least second group of dot laser displacement transducer group
Four line laser structured light sensors, dot laser displacement transducer described in wherein at least two are located at the top of the chassis roll shape beam
And the laser rays vertical irradiation sent is on the top end face of the chassis roll shape beam, at least two dot laser positions in addition
The laser rays vertical irradiation of displacement sensor transmitting is on the leading flank of the chassis roll shape beam or trailing flank and described in the two
Dot laser displacement transducer is setting up and down.
Preferably, the laser plane that line laser structured light sensor described at least one of which is sent and the chassis roll shape beam
The bottom face of intersection from the chassis roll shape beam of leading flank extend to the top end face of the chassis roll shape beam, another institute
The intersection of laser plane that line laser structured light sensor sends and the trailing flank of the chassis roll shape beam is stated from the chassis roll shape
The bottom face of beam extends to the top end face of the chassis roll shape beam；
The intersection of one of them described line laser structured light sensor and the chassis roll shape back end face is moved to another
The individual line laser structured light sensor and the line segment that after the intersection of the chassis roll shape back end face, this two intersections collectively form
The trailing flank of the chassis roll shape beam is extended to from the leading flank of the chassis roll shape beam.
Preferably, each line laser structured light sensor is connected by optical cable with line laser structured light controller respectively.
Preferably, each dot laser displacement transducer is connected by optical cable with dot laser scanning monitor respectively.
In general, by the contemplated above technical scheme of the utility model compared with prior art, can obtain down
Row beneficial effect：
The utility model uses non-contact measurement, is particularly suitable for measuring quick change in displacement, therefore can realize bottom
Disk roll shape beam size on-line automaticization quick detection.Meanwhile the measurement in a closed series scope of two line laser structured light sensors can be real
Now to the perfect measurement of chassis roll shape beam section, thus the demand of the dimensional measurement on chassis roll shape beam surface can be realized.
Brief description of the drawings
Structural representation when Fig. 1 is the utility model measurement chassis roll shape beam size；
Fig. 2 is course of work flow chart of the present utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below
As long as the technical characteristic being related to does not form conflict each other, can is mutually combined.
Reference picture 1, Fig. 2, a kind of chassis roll shape beam size on-line automatic detection device, including frame and institute is installed on jointly
Rice counting wheel 100, encoder, line laser structured light sensor group and the dot laser displacement transducer group in frame are stated, wherein,
The rice counting wheel 100 is connected by connecting shaft with the encoder, and the rice counting wheel 100 is located at chassis roll shape beam
400 top simultaneously contacts with the chassis roll shape beam 400；
The line laser structured light sensor group has at least two line laser structured light sensors 201, each line laser
Scanning sensor 201 is respectively positioned on the top of the chassis roll shape beam 400, and the line laser structured light sensor group is positioned at described
The right of rice counting wheel 100, the laser plane that all line laser structured light sensors 201 are sent are parallel；
The dot laser displacement transducer group is provided with two groups, wherein,
First group of dot laser displacement transducer group is located at the right of the line laser structured light sensor group, and it has at least three
Individual line laser structured light sensor 201, one of them described dot laser displacement transducer 301 are located at the chassis roll shape beam 400
The top and laser rays vertical irradiation that sends is on the top end face of the chassis roll shape beam 400, in addition at least two described in
The laser rays vertical irradiation that dot laser displacement transducer 301 is launched is on the leading flank of the chassis roll shape beam 400 or trailing flank
And the two described dot laser displacement transducers 301 are setting up and down；
Positioned at the right of first group of dot laser displacement transducer group, it has at least second group of dot laser displacement transducer group
Four line laser structured light sensors 201, dot laser displacement transducer 301 described in wherein at least two are located at the chassis roll shape
The top of the beam 400 and laser rays vertical irradiation that sends is on the top end face of the chassis roll shape beam 400, in addition at least two
The laser rays vertical irradiation that the individual dot laser displacement transducer 301 is launched the chassis roll shape beam 400 leading flank or after
On side and the two described dot laser displacement transducers 301 are setting up and down.
Further, the laser plane that line laser structured light sensor 201 described at least one of which is sent and the chassis rolls
The bottom face of the intersection of the leading flank of type beam 400 from the chassis roll shape beam 400 extends to the top of the chassis roll shape beam 400
Face, the laser plane that another described line laser structured light sensor 201 is sent and the trailing flank of the chassis roll shape beam 400
The bottom face of intersection from the chassis roll shape beam 400 extends to the top end face of the chassis roll shape beam 400；
The intersection of one of them described line laser structured light sensor 201 and the top end face of chassis roll shape beam 400 is translated
After to the intersection of line laser structured light sensor 201 another described and the top end face of chassis roll shape beam 400, this two intersections are total to
Leading flank with the line segment from the chassis roll shape beam 400 that form extends to the trailing flank of the chassis roll shape beam 400；
Further, each line laser structured light sensor 201 is connected by optical cable and line laser structured light controller 202 respectively
Connect.
Further, each dot laser displacement transducer 301 is connected by optical cable and dot laser scanning monitor 302 respectively
Connect.The utility model is preferably provided with two dot laser scanning monitors 302, the dot laser of every group of dot laser displacement transducer group
Scanning monitor 302 is connected with the dot laser scanning monitor 302 of place group respectively.
Drive rice counting wheel 100 to rotate in 400 motion process on a production line of roll shape beam of chassis, be connected with rice counting wheel 100
Encoder send pulse signal, signal passes through cable transmission to line laser structured light controller 202 and dot laser scanning monitor
302, the gathered data of 202 control line scanning laser sensor of line laser structured light controller 201, dot laser scanning monitor 302 is controlled
The gathered data of dot laser displacement transducer 301 processed.
Relative position relation between line laser structured light sensor 201 and dot laser displacement transducer 301 needs to pass through mark
It is fixed to obtain.The pulse signal that the encoder being connected with rice counting wheel 100 is sent out, it is relevant with the move distance of chassis roll shape beam 400.
Therefore the relative position relation between each sensor, and the pass of rice counting wheel 100 and the move distance of chassis roll shape beam 400 are passed through
System, can be by the data that line laser structured light sensor 201 and dot laser displacement transducer 301 gather in chassis roll shape beam 400
Length direction reduces.The preferable model OMRON E6B2-CWZ6C of rice counting wheel 100 of the present embodiment institute, resolution ratio is 2000 arteries and veins
Punching/turn, 100 a diameter of 200mm of rice counting wheel, the resolution ratio for converting to obtain length direction by geometrical relationship is 0.0157mm/ arteries and veins
Punching.
Model selected by line laser structured light sensor 201 is preferably KEYENCE LJ-V7300, the work of its short transverse
Reference distance is 300 millimeters, and the operating reference distance of width is 180 millimeters, the duplicate measurements precision in nominal height direction
For 5 microns, the duplicate measurements precision in nominal height direction is 60 microns, and sample frequency is up to 16 microseconds.Line laser structured light control
Device 202 processed, from KEYENCE LJ-V7001, two KEYENCE LJ-V7300 line laser structured light sensors can be controlled simultaneously
201。
Model KEYENCE IL-100 selected by dot laser displacement transducer 301, operating reference distance are 100 millimeters,
Duplicate measurements precision is 4 microns, and sample frequency is up to 0.33 millisecond.The preferable model of the institute of dot laser scanning monitor 302
KEYENCE DL-EP1, eight KEYENCE IL-100 dot lasers displacement transducers 301 can be controlled simultaneously.
The measurement data of above-mentioned line laser structured light sensor 201 and dot laser displacement transducer 301 passes through line laser respectively
Scanning monitor 202 and dot laser scanning monitor 302 are transferred to host computer, are handled and obtained by the data processing software of host computer
Required measurement size.
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not
To limit the utility model, any modification of all made within spirit of the present utility model and principle, equivalent substitution and change
Enter, should be included within the scope of protection of the utility model.
Claims (4)
1. a kind of chassis roll shape beam size on-line automatic detection device, it is characterised in that be installed on including frame and jointly described
Rice counting wheel, encoder, line laser structured light sensor group and dot laser displacement transducer group in frame, wherein,
The rice counting wheel is connected by connecting shaft with the encoder, the rice counting wheel be located at the top of chassis roll shape beam and with institute
State chassis roll shape beam contact；
The line laser structured light sensor group has at least two line laser structured light sensors, each line laser structured light sensing
Device is respectively positioned on the top of the chassis roll shape beam, and the line laser structured light sensor group is located at the right of the rice counting wheel,
The laser plane that all line laser structured light sensors are sent is parallel；
The dot laser displacement transducer group is provided with two groups, wherein,
First group of dot laser displacement transducer group is located at the right of the line laser structured light sensor group, and it has at least three lines
Scanning laser sensor, what one of them described dot laser displacement transducer was located at the top of the chassis roll shape beam and sent
Laser rays vertical irradiation is on the top end face of the chassis roll shape beam, at least two dot laser displacement transducer hairs in addition
The laser rays vertical irradiation penetrated is on the leading flank of the chassis roll shape beam or trailing flank and the two described dot laser displacements
Sensor is setting up and down；
For second group of dot laser displacement transducer group positioned at the right of first group of dot laser displacement transducer group, it has at least four
Line laser structured light sensor, dot laser displacement transducer described in wherein at least two be located at the top of the chassis roll shape beam and
On the top end face of the chassis roll shape beam, at least two dot laser displacements in addition pass the laser rays vertical irradiation sent
Sensor transmitting laser rays vertical irradiation is on the leading flank of the chassis roll shape beam or trailing flank and the two described points swash
Optical displacement sensor is setting up and down.
A kind of 2. chassis roll shape beam size on-line automatic detection device according to claim 1, it is characterised in that at least its
In the laser plane that sends of a line laser structured light sensor and the leading flank of the chassis roll shape beam intersection from described
The bottom face of chassis roll shape beam extends to the top end face of the chassis roll shape beam, another described line laser structured light sensor hair
The bottom face of the laser plane gone out and intersection from the chassis roll shape beam of the trailing flank of the chassis roll shape beam extends to described
The top end face of chassis roll shape beam；
The intersection of one of them described line laser structured light sensor and the chassis roll shape back end face is moved into another institute
After the intersection for stating line laser structured light sensor and the chassis roll shape back end face, line segment that this two intersections collectively form is from institute
The leading flank for stating chassis roll shape beam extends to the trailing flank of the chassis roll shape beam.
A kind of 3. chassis roll shape beam size on-line automatic detection device according to claim 1, it is characterised in that Mei Gesuo
Line laser structured light sensor is stated to be connected with line laser structured light controller by optical cable respectively.
A kind of 4. chassis roll shape beam size on-line automatic detection device according to claim 1, it is characterised in that Mei Gesuo
Dot laser displacement transducer is stated to be connected with dot laser scanning monitor by optical cable respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720269780.9U CN206772226U (en) | 2017-03-20 | 2017-03-20 | A kind of chassis roll shape beam size on-line automatic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720269780.9U CN206772226U (en) | 2017-03-20 | 2017-03-20 | A kind of chassis roll shape beam size on-line automatic detection device |
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| Publication Number | Publication Date |
|---|---|
| CN206772226U true CN206772226U (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720269780.9U Active CN206772226U (en) | 2017-03-20 | 2017-03-20 | A kind of chassis roll shape beam size on-line automatic detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176580A (en) * | 2021-05-18 | 2021-07-27 | 上汽通用五菱汽车股份有限公司 | Automobile production line following positioning tool online detection system and method |
| CN114279344A (en) * | 2021-12-31 | 2022-04-05 | 思格测量技术(苏州)有限公司 | Line laser measuring device and using method thereof |
-
2017
- 2017-03-20 CN CN201720269780.9U patent/CN206772226U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176580A (en) * | 2021-05-18 | 2021-07-27 | 上汽通用五菱汽车股份有限公司 | Automobile production line following positioning tool online detection system and method |
| CN113176580B (en) * | 2021-05-18 | 2024-03-15 | 上汽通用五菱汽车股份有限公司 | Online detection system and method for vehicle production line following positioning tool |
| CN114279344A (en) * | 2021-12-31 | 2022-04-05 | 思格测量技术(苏州)有限公司 | Line laser measuring device and using method thereof |
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