CN103727918A - Interior angle high precision detection and perpendicularity judgment method - Google Patents
Interior angle high precision detection and perpendicularity judgment method Download PDFInfo
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- CN103727918A CN103727918A CN201310749325.5A CN201310749325A CN103727918A CN 103727918 A CN103727918 A CN 103727918A CN 201310749325 A CN201310749325 A CN 201310749325A CN 103727918 A CN103727918 A CN 103727918A
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Abstract
The invention relates to an interior angle high precision detection and perpendicularity judgment method. The method includes the following steps of conducting measurement to obtain a numerical value, rotating a measurement device by a certain angle to conduct measurement so as to obtain another numerical value, measuring the rotation angle, calculating the degree of an interior angle in a geometric mode, detecting the percent of pass, judging the perpendicularity, and conducting error analysis. The method has the advantages that due to the introduction of the geometric calculation step, the defect that in the prior art, an interior angle high precision detection and perpendicularity judgment device or method is too complex is greatly overcome, and cost is reduced, the surface of a product cannot be damaged due to the non-contact measurement, and the method is wide in application range, easy to operate, high in safety, high in detection accuracy and high in efficiency.
Description
Technical field
The present invention relates to interior angle and detect and verticality decision technology field, be specifically related to a kind of method that interior angle high precision detects and verticality is judged.
Background technology
Interior angle detects and verticality decision technology is widely used in processing spare and accessory parts and installs in spare and accessory parts process.The interior angle of two planes of processing spare and accessory parts detects mainly to be measured with equipment such as angel measuring instrument, universal protractor and angular templet or standard components, and the judgement of the verticality of two planes is mainly judged with equipment such as edge of a knife angle square and marble square chi.The equipment that existing interior angle detects and verticality is judged is too simple, and measuring error is large, if will carry out, high precision detects interior angle and verticality is judged, the checkout equipment using or method are too complicated, expensive, contact type measurement, injury spare and accessory parts, cause nonstandard spare and accessory parts again to occur.
Summary of the invention
The object of this invention is to provide a kind of method that interior angle high precision detects and verticality is judged, to overcome currently available technology above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
The method that interior angle high precision detects and verticality is judged, comprises the following steps:
1) measurement mechanism is put into interior angle to be measured and by the left surface of interior angle to be measured; Described measurement mechanism comprises four measuring sensor, and described four measuring installation of sensors is on same rotation axis, and described four measuring sensor setting is in same plane and mutually vertical; According to survey sensor, detect principle analysis, while only having a survey sensor vertical with a face, just can measure numerical value, if without showing numerical value, the motor that angular transducer is installed drives rotation axis to rotate an angle, until show numerical value, the measurement numerical value X of observed and recorded survey sensor
1;
2) motor that angular transducer is installed drives rotation axis to turn over a low-angle, according to survey sensor, detect principle analysis, rotate in low-angle process, do not have survey sensor to measure numerical value, until observe the next numerical value that shows, stop operating, the measurement numerical value X of observed and recorded survey sensor
2; By angular transducer, measure and show for the first time numerical value and show that numerical value turns over the number of degrees α of angle for the second time;
3) compare twice measured value, X
2> X
1, turning over counterclockwise angle is α
2, according to how much computing method, draw the angle [alpha] that rotation axis turns over
2equate with internal angle beta to be measured, i.e. β=α
2; Turning over clockwise angle is α
1according to how much calculation procedures, draw the angle [alpha] that rotation axis turns over
1with internal angle beta to be measured mutually more than, i.e. β=90
0-α
1; X
2< X
1, turning over counterclockwise angle is α
1, according to how much computing method, draw the angle [alpha] that rotation axis turns over
1with internal angle beta to be measured mutually more than, i.e. β=90
0-α
1; Turning over clockwise angle is α
2, according to how much computing method, draw the angle [alpha] that rotation axis turns over
2equate with internal angle beta to be measured, i.e. β=α
2.
4) repeating step 1), 2) and 3), calculate the interior angle value to be measured of different tested points, calculating mean value;
5) measured value and design load are compared to analysis, the error of calculation, according to error size, determines product percent of pass; And judge that producing error exists ground to produce reason with analyzing;
6) recording interior angle number to be measured is 90
0, the plane at two angles is mutually vertical, judges verticality.
Preferably, in step 1), described survey sensor is laser range sensor.
Preferably, step 2) in, described angular transducer is high-precision angle sensor.
Further, the installation accuracy error of four measuring sensor, rotation precision error, angular transducer measuring accuracy error, three are comprehensive for detecting error, step 2), 3) and 4) calculating in, according to detection error size, judge last numerical value and verticality.
Further, in step 5), by measured value and design load contrast, obtain product percent of pass.
Beneficial effect of the present invention is: by the introducing of how much calculation procedures, greatly simplified the equipment that in prior art, interior angle high precision detects and verticality is judged or method too complicated, reduced costs.Non-contact measurement, can not injure product surface; Applied widely, easy to operate, safe; Accuracy of detection is high, and efficiency is high.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the geometric representation of the interior angle high-precision detecting method described in the embodiment of the present invention.
In figure: O
1it is the probe position that comprises four measuring sensor; O is the summit of interior angle to be measured; α
2the angle turning over counterclockwise for rotation axis; α
1the angle turning over clockwise for rotation axis; β is interior angle to be measured.
Embodiment
A kind of method that interior angle high precision detects and verticality is judged described in the embodiment of the present invention, comprises the following steps:
1) measurement mechanism is put into interior angle to be measured and by the left surface of interior angle to be measured; Described measurement mechanism comprises four measuring sensor, and described four measuring installation of sensors is on same rotation axis, and described four measuring sensor setting is in same plane and mutually vertical; According to survey sensor, detect principle analysis, while only having a survey sensor vertical with a face, just can measure numerical value, if without showing numerical value, the motor that angular transducer is installed drives rotation axis to rotate an angle, until show numerical value, the measurement numerical value X of observed and recorded survey sensor
1;
2) motor that angular transducer is installed drives rotation axis to turn over a low-angle, according to survey sensor, detect principle analysis, rotate in low-angle process, do not have survey sensor to measure numerical value, until observe the next numerical value that shows, stop operating, the measurement numerical value X of observed and recorded survey sensor
2.By angular transducer, measure and show for the first time numerical value and show that numerical value turns over the number of degrees α of angle for the second time;
3) O in figure as shown in Figure 1,
1be the probe position that comprises four measuring sensor, the summit that O is interior angle to be measured, compares twice measured value, X
2> X
1, turning over counterclockwise angle is α
2, according to how much computing method, draw the angle [alpha] that rotation axis turns over
2equate with internal angle beta to be measured, i.e. β=α
2; Turning over clockwise angle is α
1according to how much computing method, draw the angle [alpha] that rotation axis turns over
1with internal angle beta to be measured mutually more than, i.e. β=90
0-α
1.X
2< X
1, turning over counterclockwise angle is α
1, according to how much computing method, draw the angle [alpha] that rotation axis turns over
1with internal angle beta to be measured mutually more than, i.e. β=90
0-α
1; Turning over clockwise angle is α
2, according to how much computing method, draw the angle [alpha] that rotation axis turns over
2equate with internal angle beta to be measured, i.e. β=α
2;
4) repeating step 1), 2) and 3), as shown in table 1, calculate the interior angle value to be measured of different tested points, calculating mean value;
5) detect qualification rate, as shown in table 1, measured value and design load (mean value) are compared to analysis, the error of calculation, according to error size, determines product percent of pass; And judge that producing error exists ground to produce reason with analyzing;
6) recording interior angle number to be measured is 90
0, the plane at two angles is mutually vertical, judges verticality.
Table 1 this method is 30 to interior angle
0carry out the numerical tabular of high precision detection
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection scope of the present invention.
Claims (4)
1. the method that interior angle high precision detects and verticality is judged, is characterized in that, comprises the following steps:
1) measurement mechanism is put into interior angle to be measured and by the left surface of interior angle to be measured; Described measurement mechanism comprises four measuring sensor, and described four measuring installation of sensors is on same rotation axis, and described four measuring sensor setting is in same plane and mutually vertical; According to survey sensor, detect principle analysis, while only having a survey sensor vertical with a face, just can measure numerical value, if without showing numerical value, the motor that angular transducer is installed drives rotation axis to rotate an angle, until show numerical value, the measurement numerical value X of observed and recorded survey sensor
1;
2) motor that angular transducer is installed drives rotation axis to turn over a low-angle, according to survey sensor, detect principle analysis, rotate in low-angle process, do not have survey sensor to measure numerical value, until observe the next numerical value that shows, stop operating, the measurement numerical value X of observed and recorded survey sensor
2; By angular transducer, measure and show for the first time numerical value and show that numerical value turns over the number of degrees α of angle for the second time;
3) compare twice measured value, X
2> X
1, turning over counterclockwise angle is α
2, according to how much computing method, draw the angle [alpha] that rotation axis turns over
2equate with internal angle beta to be measured, i.e. β=α
2; Turning over clockwise angle is α
1, according to how much computing method, draw the angle [alpha] that rotation axis turns over
1with internal angle beta to be measured mutually more than, i.e. β=90
0-α
1; X
2< X
1, turning over counterclockwise angle is α
1, according to how much calculation procedures, draw the angle [alpha] that rotation axis turns over
1with internal angle beta to be measured mutually more than, i.e. β=90
0-α
1; Turning over clockwise angle is α
2, according to how much computing method, draw the angle [alpha] that rotation axis turns over
2equate with internal angle beta to be measured, i.e. β=α
2;
4) repeating step 1), 2) and 3), calculate the interior angle value to be measured of different tested points, calculating mean value;
5) detect qualification rate, measured value and design load are compared to analysis, the error of calculation, according to error size, determines product percent of pass; And judge that producing error exists ground to produce reason with analyzing; And
6) recording interior angle number to be measured is 90
0, the plane at two angles is mutually vertical, judges verticality.
2. the method that interior angle high precision according to claim 1 detects and verticality is judged, is characterized in that: described survey sensor is laser range sensor, described angular transducer is high-precision angle sensor.
3. the method that interior angle high precision according to claim 2 detects and verticality is judged, it is characterized in that: described step 2), 3) and 4) how much calculate, according to detecting error size, judge last numerical value, three composition errors of the installation accuracy error that described detection error is survey sensor, rotation precision error and angular transducer measuring accuracy error.
4. the method that interior angle high precision according to claim 3 detects and verticality is judged, is characterized in that: in described step 5), by actual measured value and design load contrast, obtain product percent of pass.
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|---|---|---|---|
| CN201310749325.5A CN103727918B (en) | 2013-12-31 | 2013-12-31 | A kind of method that interior angle high precision test and perpendicularity judge |
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|---|---|---|---|
| CN201310749325.5A CN103727918B (en) | 2013-12-31 | 2013-12-31 | A kind of method that interior angle high precision test and perpendicularity judge |
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| CN103727918A true CN103727918A (en) | 2014-04-16 |
| CN103727918B CN103727918B (en) | 2016-08-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132636A (en) * | 2014-07-02 | 2014-11-05 | 丽水职业技术学院 | Linearity detection and judgment method for linear guide rail |
| CN105466381A (en) * | 2015-12-16 | 2016-04-06 | 丽水职业技术学院 | Concave arc radius detection and arc degree determination apparatus and method |
| CN105509686A (en) * | 2016-01-12 | 2016-04-20 | 丽水职业技术学院 | Device and method for detecting different convex circular arc radiuses and judging circular arc degrees |
| CN116399284A (en) * | 2023-06-08 | 2023-07-07 | 山东科技大学 | Device and method for measuring perpendicularity error and error direction angle of surface of part with hole |
Citations (4)
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| JPS63177011A (en) * | 1987-01-19 | 1988-07-21 | Kawasaki Steel Corp | Method for measuring squareness of flange of h-shaped material |
| JP2008281468A (en) * | 2007-05-11 | 2008-11-20 | Tokyo Seimitsu Co Ltd | Angle indexing accuracy measuring device and method |
| CN101387501A (en) * | 2008-10-06 | 2009-03-18 | 天津大学 | Ultra-large workpiece circular section shape and azimuthal measurement apparatus and method |
| CN201436555U (en) * | 2009-07-22 | 2010-04-07 | 宝山钢铁股份有限公司 | Digital display type V angle measurement tool for welding pipe |
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2013
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Patent Citations (4)
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| JPS63177011A (en) * | 1987-01-19 | 1988-07-21 | Kawasaki Steel Corp | Method for measuring squareness of flange of h-shaped material |
| JP2008281468A (en) * | 2007-05-11 | 2008-11-20 | Tokyo Seimitsu Co Ltd | Angle indexing accuracy measuring device and method |
| CN101387501A (en) * | 2008-10-06 | 2009-03-18 | 天津大学 | Ultra-large workpiece circular section shape and azimuthal measurement apparatus and method |
| CN201436555U (en) * | 2009-07-22 | 2010-04-07 | 宝山钢铁股份有限公司 | Digital display type V angle measurement tool for welding pipe |
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|---|
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132636A (en) * | 2014-07-02 | 2014-11-05 | 丽水职业技术学院 | Linearity detection and judgment method for linear guide rail |
| CN104132636B (en) * | 2014-07-02 | 2017-02-15 | 丽水职业技术学院 | Linearity detection and judgment method for linear guide rail |
| CN105466381A (en) * | 2015-12-16 | 2016-04-06 | 丽水职业技术学院 | Concave arc radius detection and arc degree determination apparatus and method |
| CN105509686A (en) * | 2016-01-12 | 2016-04-20 | 丽水职业技术学院 | Device and method for detecting different convex circular arc radiuses and judging circular arc degrees |
| CN105509686B (en) * | 2016-01-12 | 2018-11-06 | 丽水职业技术学院 | A kind of difference dome arc radius detection and circular arc degree decision maker and method |
| CN116399284A (en) * | 2023-06-08 | 2023-07-07 | 山东科技大学 | Device and method for measuring perpendicularity error and error direction angle of surface of part with hole |
| CN116399284B (en) * | 2023-06-08 | 2023-08-22 | 山东科技大学 | Device and method for measuring perpendicularity error and error direction angle of surface of part with hole |
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|---|---|
| CN103727918B (en) | 2016-08-10 |
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Effective date of registration: 20221117 Address after: No. 290, Shiniu Road, Shuige Industrial Zone, Liandu District, Lishui, Zhejiang 323000 Patentee after: Lishui Hongxin Bearing Co.,Ltd. Address before: 323000 No. 2, five house bottom, north section of Zhongshan street, Liandu District, Lishui, Zhejiang. Patentee before: Gao Ye |