CN202393362U - Long axis straightness detection system - Google Patents
Long axis straightness detection system Download PDFInfo
- Publication number
- CN202393362U CN202393362U CN2011205702125U CN201120570212U CN202393362U CN 202393362 U CN202393362 U CN 202393362U CN 2011205702125 U CN2011205702125 U CN 2011205702125U CN 201120570212 U CN201120570212 U CN 201120570212U CN 202393362 U CN202393362 U CN 202393362U
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- laser
- cross curve
- major axis
- detected
- dolly
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Abstract
The utility model discloses a long axis straightness detection system comprising a cross curve laser source, a laser ranging reflection target, a detection dolly, a CCD camera, an ARM processor and a display, wherein the cross curve laser source is arranged at one end of a long axis to be detected for emitting the cross curve laser beam; the laser ranging reflection target is arranged at the other end of the long axis to be detected; the detection dolly can slide on the long axis to be detected and comprises a laser ranging device which emits the laser and receives the reflected laser through the laser ranging reflection target so as to determine the position of the dolly; the CCD camera is used for acquiring the cross curve laser beam image sent by the cross curve laser source; the ARM processor is used for calculating the coordinate of the cross curve central point and the dip angle of the horizontal line according to the acquired cross curve laser beam image, and calculating the straightness parameter of the long axis to be detected according to the multiple position information about the dolly; and the display is used for displaying the straightness parameter. The long axis straightness detection system uses the image processing technology for identifying the center of the cross curve laser image and the dip angle of the horizontal line, thus improving the identification accuracy, realizing accurate measurement of the straightness data, and improving the work efficiency.
Description
Technical field
The utility model belongs to the major axis detection range, particularly a kind of major axis linearity detection system.
Background technology
In commercial production, axial workpiece is one type of common part.The linearity of major axis part is an important indicator of such part quality.Like the plug that uses in the seamless steel tube production, its linearity has very big influence to the quality (as: uniformity coefficient of thickness of steel pipe, the smooth finish of inwall etc.) of weldless steel tube.
The present linearity to such major axis part detects has many methods, carries out the method that linearity detects as adopting the four-quadrant pick-up unit; Based on from imaging shaft technology at a distance, two-dimentional Instrument for Straightness on a large scale; Adopt the method for turntable detection large scale solid of revolution profile point coordinate and core axis etc.But there is the detection system complex design in existing these methods, detect the high problem of cost.
The utility model content
The demand to prior art exists the utility model provides a kind of major axis linearity detection system.The technological means that the utility model adopts is following:
A kind of major axis linearity detection system is characterized in that comprising: place major axis one end to be detected, send the cross curve lasing light emitter of cross curve laser beam; Place the laser ranging reflecting target of the major axis other end to be detected; The detection dolly that can on major axis to be detected, slide; Detecting dolly comprises again:
Support;
Place the axis of rolling of support both sides respectively;
Place on the support, send laser and behind the laser ranging reflecting target, receive laser light reflected to confirm to detect the laser range finder of dolly position;
Place on the support, obtain the ccd video camera of the cross curve laser beam image that the cross curve lasing light emitter sends;
Connect laser range finder and ccd video camera, the cross curve laser beam image of obtaining according to ccd video camera calculates the coordinate and the horizontal inclination angle of cross curve central point and combines a plurality of positional information calculation of the detection dolly that laser range finder confirms to go out the arm processor of major axis linearity parameter to be detected;
Connect arm processor, show the display of linearity parameter;
Connect arm processor, the 3-axis acceleration sensor of angle reference when providing detection initial.
The utility model is discerned cross curve laser image center and horizontal line inclination angle automatically with image processing techniques, has improved accuracy of identification, has realized the accurate measurement of linearity data, has improved work efficiency.
Description of drawings
Below through accompanying drawing and specific embodiment the utility model is elaborated.
Fig. 1 is the major axis linearity detection system front elevation of the utility model.
Fig. 2 is the left view of Fig. 1.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.
In conjunction with Fig. 1 and Fig. 2, the major axis linearity detection system of the utility model comprises: place major axis one end to be detected, send the cross curve lasing light emitter 1 of cross curve laser beam; Place the laser ranging reflecting target 3 of the major axis other end to be detected; The detection dolly 2 that can on major axis to be detected, slide.Detecting dolly 2 comprises again: support 22 places the axis of rolling 21 of support 22 both sides respectively; Place on the support 22, send laser and behind laser ranging reflecting target 3, receive laser light reflected to confirm to detect the laser range finder 26 of dolly 2 positions; Place on the support 22, obtain the ccd video camera 24 of the cross curve laser beam image that cross curve lasing light emitter 1 sends; Connect laser range finder 26 and ccd video camera 24, the cross curve laser beam image of obtaining according to ccd video camera 24 calculates the coordinate and the horizontal inclination angle of cross curve central point and combines a plurality of positional information calculation of the detection dolly 2 that laser range finder 26 confirms to go out the arm processor 25 of major axis linearity parameter to be detected; Connect arm processor 25, show the display 28 of linearity parameter; Connect arm processor 25, the 3-axis acceleration sensor 23 of angle reference when providing detection initial.
This system also can comprise: the USB interface 27 of a connection arm processor 25 and an external printer conveniently measurement data is printed through external printer, supplies survey crew conveniently and accurately to understand the each point linearity situation of major axis to be detected.
This system also can comprise: connect arm processor 25, supply the user to import a keyboard of major diameter to be detected.
This system also can comprise: be connected the switch on the supply access of ccd video camera 24 and arm processor 25.
The testing process of using this system is following:
During detection, the earlier position and the angle of adjustment cross curve lasing light emitter 1, guarantee to detect dolly in each detection position of major axis to be detected (general only need to guarantee two-end-point place) cross curve all in the effective range of ccd video camera 24; Import the diameter of major axis to be detected, allow tested major axis diameter everywhere different, get final product but when vary in diameter, only need import once.For first measurement point, the levelness information that shows according to display 28 as far as possible begins the measurement of this point after with dolly leveling (for all the other measurement points leveling levelness of trying one's best, and guaranteeing that image is complete).Then, will detect dolly again moves to and desires the detection position and carry out the measurement of other each point.The cross curve laser image that arm processor 25 obtains according to ccd video camera 24 calculates the coordinate and the horizontal inclination angle of cross curve central point (point of crossing), in conjunction with the information such as position that laser range finder 26 provides, calculates the linearity parameter of tested major axis.Wherein when measuring, need 25 pairs of laser images of arm processor to handle, to the characteristics of cross curve laser image and practical applications, rim detection must be accurately, fast.
The utility model is discerned cross curve laser image center and horizontal line inclination angle automatically with image processing techniques, has improved accuracy of identification, has realized the accurate measurement of linearity data, has improved work efficiency.
The above; Be merely the preferable embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is equal to replacement or changes according to the technical scheme of the utility model and utility model design thereof in the technical scope that the utility model discloses, and all should be encompassed within the protection domain of the utility model.
Claims (4)
1. a major axis linearity detection system is characterized in that comprising: place major axis one end to be detected, send the cross curve lasing light emitter of cross curve laser beam; Place the laser ranging reflecting target of the major axis other end to be detected; The detection dolly that can on major axis to be detected, slide; Detecting dolly comprises again:
Support;
Place the axis of rolling of support both sides respectively;
Place on the support, send laser and behind the laser ranging reflecting target, receive laser light reflected to confirm to detect the laser range finder of dolly position;
Place on the support, obtain the ccd video camera of the cross curve laser beam image that the cross curve lasing light emitter sends;
Connect laser range finder and ccd video camera, the cross curve laser beam image of obtaining according to ccd video camera calculates the coordinate and the horizontal inclination angle of cross curve central point and combines a plurality of positional information calculation of the detection dolly that laser range finder confirms to go out the arm processor of major axis linearity parameter to be detected;
Connect arm processor, show the display of linearity parameter;
Connect arm processor, the 3-axis acceleration sensor of angle reference when providing detection initial.
2. according to the major axis linearity detection system of claim 1, it is characterized in that also comprising: the USB interface that connects an arm processor and an external printer.
3. according to the major axis linearity detection system of claim 1, it is characterized in that also comprising: connect arm processor, supply the user to import a keyboard of major diameter to be detected.
4. according to the major axis linearity detection system of claim 1, it is characterized in that also comprising: be connected the switch on the supply access of ccd video camera and arm processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205702125U CN202393362U (en) | 2011-12-31 | 2011-12-31 | Long axis straightness detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205702125U CN202393362U (en) | 2011-12-31 | 2011-12-31 | Long axis straightness detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393362U true CN202393362U (en) | 2012-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205702125U Expired - Fee Related CN202393362U (en) | 2011-12-31 | 2011-12-31 | Long axis straightness detection system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202393362U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889863A (en) * | 2012-10-19 | 2013-01-23 | 南京康尼机电股份有限公司 | Automatic detecting device of screw rod straightness and applications thereof |
| CN103206927A (en) * | 2013-04-01 | 2013-07-17 | 湖北三江航天万峰科技发展有限公司 | Object rotating angle measurement system and measurement method |
| CN106931897A (en) * | 2017-03-31 | 2017-07-07 | 哈尔滨工程大学 | Vibration damping flexibility connection pipe deformation measuring device |
| CN108132034A (en) * | 2017-12-29 | 2018-06-08 | 中铁局集团有限公司 | A kind of evacuation platform, one fluid measurement device of looped network cable bearer |
| CN108775848A (en) * | 2018-07-16 | 2018-11-09 | 安徽悦众车身装备有限公司 | A kind of head valve position detection tooling |
| WO2019144255A1 (en) * | 2018-01-23 | 2019-08-01 | 大连理工大学 | Method for quickly detecting geometric accuracy of linear moving shaft of numerical control machine tool |
| CN110926378A (en) * | 2019-12-16 | 2020-03-27 | 太原科技大学 | Improved bar straightness detection system and method based on visual detection |
-
2011
- 2011-12-31 CN CN2011205702125U patent/CN202393362U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889863A (en) * | 2012-10-19 | 2013-01-23 | 南京康尼机电股份有限公司 | Automatic detecting device of screw rod straightness and applications thereof |
| CN102889863B (en) * | 2012-10-19 | 2016-04-06 | 南京康尼机电股份有限公司 | A kind of screw mandrel straight linear degree automatic detector and application thereof |
| CN103206927A (en) * | 2013-04-01 | 2013-07-17 | 湖北三江航天万峰科技发展有限公司 | Object rotating angle measurement system and measurement method |
| CN103206927B (en) * | 2013-04-01 | 2016-02-03 | 湖北三江航天万峰科技发展有限公司 | A kind of object rotation angle measurement system and measuring method |
| CN106931897A (en) * | 2017-03-31 | 2017-07-07 | 哈尔滨工程大学 | Vibration damping flexibility connection pipe deformation measuring device |
| CN106931897B (en) * | 2017-03-31 | 2019-09-27 | 哈尔滨工程大学 | Vibration damping flexibility connection pipe deformation measuring device |
| CN108132034A (en) * | 2017-12-29 | 2018-06-08 | 中铁局集团有限公司 | A kind of evacuation platform, one fluid measurement device of looped network cable bearer |
| WO2019144255A1 (en) * | 2018-01-23 | 2019-08-01 | 大连理工大学 | Method for quickly detecting geometric accuracy of linear moving shaft of numerical control machine tool |
| US11125552B2 (en) | 2018-01-23 | 2021-09-21 | Dalian University Of Technology | Method for the rapid detection of the geometric accuracy of the linear motion axis of an NC machine tool |
| CN108775848A (en) * | 2018-07-16 | 2018-11-09 | 安徽悦众车身装备有限公司 | A kind of head valve position detection tooling |
| CN110926378A (en) * | 2019-12-16 | 2020-03-27 | 太原科技大学 | Improved bar straightness detection system and method based on visual detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20121231 |