CN103246293A - Method for adjusting light beam to pass through center in gear laser measurement - Google Patents
Method for adjusting light beam to pass through center in gear laser measurement Download PDFInfo
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- CN103246293A CN103246293A CN2013101527084A CN201310152708A CN103246293A CN 103246293 A CN103246293 A CN 103246293A CN 2013101527084 A CN2013101527084 A CN 2013101527084A CN 201310152708 A CN201310152708 A CN 201310152708A CN 103246293 A CN103246293 A CN 103246293A
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Abstract
The invention discloses a method for adjusting a light beam to pass through a center in gear laser measurement and belongs to the technical field of precision measurement. The method comprises the steps as follows: step 1, a laser displacement sensor is fixed on a rotary table and located on the internal diameter of a standard ring, the standard ring is placed on a horizontal table board, an electric motor is started, the laser displacement sensor is dragged to rotate, and when the laser displacement sensor performs measurement for the first time, an angle measured by a encoder is 0 degree; step 2, when the maximum distance is measured, the measured angle is theta 1, and when the minimum distance is measured, the measured angle is theta 2; step 3, whether an included angle of the measured angles corresponding to the maximum distance and the minimum distance satisfies the formula: 180 degrees-|theta 2- theta 1|= delta is judged, the delta is the measurement accuracy of the rotary table, if the included angle satisfies the formula: 180 degrees-|theta 2- theta 1|= delta, step 5 is performed; step 4, otherwise, the position of the laser displacement sensor is changed until 180 degrees-|theta 2- theta 1|= delta; and step 5, a translation table is locked, the position of the laser displacement sensor is kept unchanged, the standard ring is removed, a gear is placed on the horizontal table board, and the method for adjusting light beam to pass through the center in gear laser measurement is realized. The method does not need external auxiliary parts, the steps are simple, the accuracy depends on the accuracy of the rotary table, and the practicability is high.
Description
Technical field
The invention belongs to the Technology of Precision Measurement field, be specifically related to the method for adjustment that light beam is cared in a kind of Gear by Laser measurement.
Background technology
The laser measurement of gear has great importance in gear manufacturing field, and traditional generating method and method of direct coordinate belong to relative measurement, is difficult to realize that gear end is jumped, the isoparametric measurement of tooth depth, and the gear parameter laser week method of sweeping has overcome the problems referred to above.Patent " gear parameter pick-up unit " (CN202149755U, be 2012.02.22 in open day) adopt the universal stage (being the angular displacement rotary system of mentioning in the cited paper) of laser displacement sensor and built-in encoder to constitute gear cylinder Department of Survey, wherein laser displacement sensor slotted line displacement, as Department of Survey utmost point footpath, scrambler is measured the anglec of rotation, as Department of Survey's polar angle, the two realizes the measurement of the coordinate of gear each point.The laser measurement light beam that the laser displacement sensor that this patent is mentioned sends should pass through the universal stage rotation center, otherwise can cause the coupling error of gear cylinder Department of Survey utmost point footpath and polar angle, has reduced the measuring accuracy of this method.At this, propose in the inswept journey of a kind of Gear by Laser week measuring beam and care method of adjustment.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of Gear by Laser measure in light beam care method of adjustment, this method has solved because the laser measurement light beam that laser displacement sensor sends, has caused the coupling error of gear cylinder Department of Survey utmost point footpath with polar angle not by the rotation platform rotation center.
The technical scheme that technical solution problem of the present invention adopts is as follows:
Light beam was cared method of adjustment during Gear by Laser was measured, and this method comprises the steps:
Step 1: the laser displacement sensing is fixed in universal stage by translation stage, the standard annulus is placed on the level table, make laser displacement sensor be positioned at standard annulus interior diameter;
Step 2: actuating motor, drag the universal stage rotation, laser displacement sensor is along with universal stage rotates, laser displacement sensor is measured once distance, scrambler is measured an angle, and when establishing laser displacement sensor and measuring for the first time, the angle that scrambler is measured is 0 °;
Step 3: when laser displacement sensor measured ultimate range, the angle that scrambler is measured was θ
1, when laser displacement sensor measured minor increment, the angle that scrambler is measured was θ
2
Step 4: the angle that takes measurement of an angle of judging ultimate range and minor increment correspondence whether satisfy 180 °-| θ
2-θ
1|=△, △ are the measuring accuracy of universal stage self, then carry out step 5 if satisfy; Otherwise by adjusting translation stage repeatedly, change the position of laser displacement sensor on universal stage, until realize 180 °-| θ
2-θ
1|=△;
Step 5: the locking translation stage, guarantee the invariant position of laser displacement sensor on universal stage, remove the standard annulus, laser is cared and adjust to be finished, gear is placed on the level table, makes laser displacement sensor be positioned at the gear interior diameter, realize Gear by Laser measure in light beam care method of adjustment.
The invention has the beneficial effects as follows: the present invention does not have the outer secondary assistant piece, and step is very simple, and measuring accuracy depends on turntable self precision, has therefore improved measuring accuracy.
Description of drawings
The adjusting gear structural representation is cared in Fig. 1 Gear by Laser measurement of the present invention.
Fig. 2 laser beam of the present invention is cared and is adjusted schematic diagram calculations how much.
Fig. 3 translation stage of the present invention is adjusted the laser beam principle schematic.
Among the figure: 1, universal stage, 2, laser displacement sensor, 3, translation stage, 3-1, slide block, 3-2, spring, 3-3, framework nut, 3-4, guide rail, 3-5, latch mechanism, 3-6, screw mechanism, 4, the standard annulus, 5, motor and 6, platform.
Embodiment
Below in conjunction with accompanying drawing and example the present invention is described in further details.
Light beam was cared method of adjustment during Gear by Laser was measured, and this method comprises the steps:
Step 1: as shown in Figure 1, the laser measurement of gear is cared adjusting gear and is comprised: universal stage 1, laser displacement sensor 2, translation stage 3, standard annulus 4, motor 5 and platform 6.Wherein: laser displacement sensor 2 is fixed in the below of universal stage 1 by translation stage 3, and standard annulus 4 is put on the platform 6, and its center need not to overlap with the rotation center of universal stage 1 when standard annulus 4 was placed; Adjustment standard annulus 4 positions make laser displacement sensor 2 be positioned at standard annulus 4 interior diameters.
Step 2: actuating motor 5, drag universal stage 1 rotation, drive laser displacement sensor 2 rotations, laser displacement sensor 2 is measured once distance, the scrambler that while universal stage 1 carries is measured an angle, the two is corresponding mutually, and when establishing laser displacement sensor 2 and finding range for the first time, the angle that scrambler is measured is 0 °;
Step 3: as shown in Figure 2, when laser displacement sensor 2 measured ultimate range AB, the angle that scrambler is measured was θ
1, when laser displacement sensor 2 measured minor increment CD, the angle that scrambler is measured was θ
2
Step 4: the angle of judging the measured angular of ultimate range and minor increment correspondence whether satisfy described 180 °-| θ
2-θ
1| during=△, △ is the measuring accuracy of universal stage 1 self; As shown in Figure 2,
Wherein e is distance of center circle, and r is the radius of universal stage, and R is the radius of standard annulus, because e ≠ 0 has only when r=0 | and θ
2-θ
1|=π, therefore, if satisfied 180 ° of the universal stage 1 measured angular angle of the institute ultimate range of surveying and minor increment correspondence-| θ
2-θ
1|=△ just shows that laser measurement light beam that laser displacement sensor 2 sends is by the rotation center of universal stage 1.If satisfied 180 °-| θ
2-θ
1|=△, as shown in Figure 3, by adjusting the screw mechanism 3-6 of translation stage 3 repeatedly, change the position of laser displacement sensor 2 on universal stage 1, until satisfy 180 °-| θ
2-θ
1| till=the △.Among Fig. 3, translation stage 3 is made up of slide block 3-1, spring 3-2, framework nut 3-3, guide rail 3-4, latch mechanism 3-5 and screw mechanism 3-6, laser displacement sensor 2 is fixed on the slide block 3-1, universal stage 1 and framework nut 3-3 are for being rigidly connected, spring 3-2 one end is fixed on the slide block 3-1, the other end is fixed on the framework nut 3-3, guide rail 3-4 is fixed on the universal stage 1, screw mechanism 3-6 is used for driving laser displacement sensor 2 and does translation motion along guide rail 3-4, and latch mechanism 3-5 guarantees that by locking screw mechanism 3-6 the working position of laser displacement sensor 2 is constant.Laser displacement sensor 2 will be adjusted the direction near vertical of sending beam direction and guide rail 3-4 of laser displacement sensor 2 when being installed on translation stage 3.
Step 5: by the latch mechanism 3-5 locking screw mechanism 3-6 of translation stage 3, guarantee the invariant position of laser displacement sensor 2 on universal stage 1, remove standard annulus 4, laser is cared and adjust to be finished, make laser displacement sensor 2 be positioned at the gear interior diameter, realize Gear by Laser measure in light beam care method of adjustment.
Claims (2)
1. light beam was cared method of adjustment during Gear by Laser was measured, and it is characterized in that this method comprises the steps:
Step 1: the laser displacement sensing is fixed in universal stage by translation stage, the standard annulus is placed on the level table, make laser displacement sensor be positioned at standard annulus interior diameter;
Step 2: actuating motor, drag the universal stage rotation, laser displacement sensor is along with universal stage rotates, laser displacement sensor is measured once distance, scrambler is measured an angle, and when establishing laser displacement sensor and measuring for the first time, the angle that scrambler is measured is 0 °;
Step 3: when laser displacement sensor measured ultimate range, the angle that scrambler is measured was θ
1, when laser displacement sensor measured minor increment, the angle that scrambler is measured was θ
2
Step 4: the angle that takes measurement of an angle of judging ultimate range and minor increment correspondence whether satisfy 180 °-| θ
2-θ
1|=△, △ are the measuring accuracy of universal stage self, then carry out step 5 if satisfy; Otherwise by adjusting translation stage repeatedly, change the position of laser displacement sensor on universal stage, until realize 180 °-| θ
2-θ
1|=△;
Step 5: the locking translation stage, guarantee the invariant position of laser displacement sensor on universal stage, remove the standard annulus, laser is cared and adjust to be finished, gear is placed on the level table, makes laser displacement sensor be positioned at the gear interior diameter, realize Gear by Laser measure in light beam care method of adjustment.
2. light beam was cared method of adjustment during Gear by Laser as claimed in claim 1 was measured, it is characterized in that, and in the step 4,
Wherein e is the distance of center circle of standard annulus and universal stage, and r is the radius of universal stage, and R is the radius of standard annulus, because e ≠ 0 has only when r=0 | and θ
2-θ
1|=π, when the universal stage measured angular angle of survey ultimate range and minor increment correspondence satisfy 180 °-| θ
2-θ
1|=△, just show laser measurement light beam that laser displacement sensor sends by the universal stage rotation center, realized Gear by Laser measure in light beam care method of adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152708.4A CN103246293B (en) | 2013-04-27 | 2013-04-27 | Gear by Laser measure in light beam care method of adjustment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152708.4A CN103246293B (en) | 2013-04-27 | 2013-04-27 | Gear by Laser measure in light beam care method of adjustment |
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| Publication Number | Publication Date |
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| CN103246293A true CN103246293A (en) | 2013-08-14 |
| CN103246293B CN103246293B (en) | 2015-12-09 |
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418451A (en) * | 2021-08-09 | 2021-09-21 | 郑州磨料磨具磨削研究所有限公司 | Four-axis laser centering measuring device and method |
| CN114110129A (en) * | 2021-11-26 | 2022-03-01 | 长春理工大学 | Spherical gear and toothed disc mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000343263A (en) * | 1999-06-03 | 2000-12-12 | Amada Eng Center Co Ltd | Method for aligning laser beam and device therefor |
| RU2406972C1 (en) * | 2009-09-17 | 2010-12-20 | Открытое Акционерное Общество "Научно-Исследовательский Институт Железнодорожного Транспорта" | Procedure for measuring thickness of gear teeth |
| CN102322796A (en) * | 2011-07-20 | 2012-01-18 | 唐大春 | Laser detection device and method for gear parameters |
-
2013
- 2013-04-27 CN CN201310152708.4A patent/CN103246293B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000343263A (en) * | 1999-06-03 | 2000-12-12 | Amada Eng Center Co Ltd | Method for aligning laser beam and device therefor |
| RU2406972C1 (en) * | 2009-09-17 | 2010-12-20 | Открытое Акционерное Общество "Научно-Исследовательский Институт Железнодорожного Транспорта" | Procedure for measuring thickness of gear teeth |
| CN102322796A (en) * | 2011-07-20 | 2012-01-18 | 唐大春 | Laser detection device and method for gear parameters |
Non-Patent Citations (3)
| Title |
|---|
| 曹国华 等: ""基于位置敏感探测器和激光技术对大型轴系中心线检测方法的研究"", 《兵工学报》 * |
| 王仲 等: ""回转激光位移传感器逼近式孔心定位方法"", 《中国激光》 * |
| 赵士磊 等: ""激光非接触式大尺寸内径自动测量系统"", 《红外与激光工程》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418451A (en) * | 2021-08-09 | 2021-09-21 | 郑州磨料磨具磨削研究所有限公司 | Four-axis laser centering measuring device and method |
| CN113418451B (en) * | 2021-08-09 | 2023-03-14 | 郑州磨料磨具磨削研究所有限公司 | Four-axis laser centering measuring device and method |
| CN114110129A (en) * | 2021-11-26 | 2022-03-01 | 长春理工大学 | Spherical gear and toothed disc mechanism |
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| CN103246293B (en) | 2015-12-09 |
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