CN109238654A - A kind of raising laser depth of parallelism calibrating installation and method - Google Patents
A kind of raising laser depth of parallelism calibrating installation and method Download PDFInfo
- Publication number
- CN109238654A CN109238654A CN201810945423.9A CN201810945423A CN109238654A CN 109238654 A CN109238654 A CN 109238654A CN 201810945423 A CN201810945423 A CN 201810945423A CN 109238654 A CN109238654 A CN 109238654A
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- autocollimator
- adjusting
- axis
- supporting leg
- holder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of raising laser depth of parallelism calibrating installations, crossbeam and guide rail are fixed in the combination of T font and by adjusting lifting supporting leg a, adjusting lifting supporting leg b and adjusting lifting supporting leg c supported at three point, autocollimator platform is by sliding block slide fit on guide rail, L-type support in autocollimator platform is fixed on sliding block, it is separately installed on the two sides side plate of L-type support and adjusts holder a and adjusting holder b, it is respectively equipped with autocollimator a and autocollimator b on the adjusting holder a and adjusting holder b, wherein the angle of autocollimator a and autocollimator b is 90 °.The invention further particularly discloses improve laser depth of parallelism calibration method.Raising laser depth of parallelism calibrating installation is low in cost designed by the present invention, structure is simple, easy to use and calibration accuracy is higher.
Description
Technical field
The invention belongs to laser collimation test equipment technologies, and in particular to a kind of raising laser depth of parallelism calibration
Device and method.
Background technique
Laser depth of parallelism parameter is for realizing that precise measurement and data acquisition play vital work in laser class product
With, therefore existing many laser class products require to carry out laser collimation, current existing traditional laser in the completed
Collimation method is that test man with the naked eye uses laser collimation test equipment to test, existing laser collimation
Instrument can cause to damage using long to the eyes of operator, be easy to produce eye strain, and laser collimation passes through naked eyes
Carry out observing to be difficult to tell whether mixing up, there is very big error.
Parallelity of laser beam, which calibrates another way, to be realized by interference technique, and tested light beam is divided into two beams
Light, then generation interference in place, if incident beam is directional light, the interference fringe generated is for vertical bar line or without item
Line, this method accuracy of measurement is higher, and interferometer is expensive, and volume is larger, inconvenient to use, vibration on measurement influence compared with
Greatly, the angular range that can be measured is smaller, more demanding to the work proficiency of operator.
Summary of the invention
The technical problem to be solved by the present invention is to provide it is a kind of it is low in cost, structure is simple, easy to use and calibration accuracy
Higher raising laser depth of parallelism calibrating installation and method.
The present invention adopts the following technical scheme that solve above-mentioned technical problem, a kind of raising laser depth of parallelism calibrating installation,
It is characterized by: crossbeam and guide rail are fixed in the combination of T font and lift supporting leg a by adjusting, adjust lifting supporting leg b and adjusting lifting
Supporting leg c supported at three point, by sliding block slide fit on guide rail, the L-type support in autocollimator platform is fixed on autocollimator platform
On sliding block, it is separately installed on the two sides side plate of L-type support and adjusts holder a and adjusting holder b, the adjusting holder a and adjust cloud
Autocollimator a and autocollimator b are respectively equipped on platform b, wherein the angle of autocollimator a and autocollimator b is 90 °.
Preferably, the holder a that adjusts is equipped with the micrometer adjusting screw group a that angle adjustment is carried out to autocollimator a direction, institute
It states and adjusts holder b equipped with the micrometer adjusting screw group b to autocollimator b towards progress angle adjustment.
Raising laser depth of parallelism calibration method of the present invention, it is characterised in that specific steps are as follows:
Step S1: above-mentioned raising laser depth of parallelism calibrating installation is placed below the instrument of transmitting laser；
Step S2: by adjusting adjusting lifting supporting leg a, adjusting lifting supporting leg b and adjusting lifting supporting leg c and verified using level meter
So that guide rail is parallel on ground；
Step S3: the direction of the launch by one side perpendicular to the reflecting mirror face autocollimator a on ground is placed on level ground；
Step S4: make the measurement laser level i.e. X-axis and vertical i.e. Y-axis angle of autocollimator a by adjusting micrometer adjusting screw group a
It is zero；
Step S5: by guide rail sliding slider autocollimator b is right against to the Laser emission direction of each instrument, respectively
The autocollimator a and autocollimator b of each instrument are read in X-axis, two axis angular deviation of Y；
Step S6: the autocollimator b of each instrument is subtracted into autocollimator a in X-axis, two axis of Y in X-axis, two shaft angle degree offset of Y
The data that angular deviation obtains are each instruments in X-axis, the absolute drift angular amount of two axis of Y, and then each by being calculated
A instrument is measured in X-axis, the opposite deviation angle of two axis of Y.
Compared with the prior art, the invention has the following beneficial effects: the raising laser depth of parallelism designed by the present invention is calibrated
Installation cost is cheap, structure is simple, easy to use and calibration accuracy is higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that laser depth of parallelism calibrating installation is improved in the present invention；
Fig. 2 is the structural schematic diagram of autocollimator platform in the present invention.
In figure: 1- adjusts lifting supporting leg a, and 2- adjusts lifting supporting leg b, and 3- adjusts lifting supporting leg c, 4- crossbeam, 5- guide rail, 6-
Sliding block, 7- autocollimator platform, 8-L type bracket, 9- adjust holder a, 10- autocollimator a, 11- micrometer adjusting screw group a, 12- adjusting
Holder b, 13- autocollimator b, 14- micrometer adjusting screw group b.
Specific embodiment
In conjunction with attached drawing, the technical schemes of the invention are described in detail, a kind of raising laser depth of parallelism calibrating installation, crossbeam 4 and leads
Rail 5 is fixed in the combination of T font and by adjusting lifting supporting leg a 1, adjusting lifting supporting leg b 2 and adjusting lifting 3 three point branch of supporting leg c
Support, for autocollimator platform 7 by 6 slide fit of sliding block on guide rail 5, the L-type support 8 in autocollimator platform 7 is fixed on sliding block 6
On, it is separately installed on the two sides side plate of L-type support 8 and adjusts holder a 9 and adjusting holder b 12, adjusting holder a 9 and adjust
It is respectively equipped with autocollimator a 10 and autocollimator b 13 on section holder b 12, wherein autocollimator a 10 and autocollimator b 13
Angle be 90 °, it is described adjust holder a 9 be equipped with to autocollimator a 10 towards carry out angle adjustment micrometer adjusting screw group a
11, the holder b 12 that adjusts is equipped with the micrometer adjusting screw group b 14 to autocollimator b 13 towards progress angle adjustment.
Autocollimator a: a kind of laser light incident angle measuring device can measure X-axis, two shaft angle degree of Y-axis；
Autocollimator b: compared to autocollimator a, parallel laser emission function itself is increased.
Measuring principle: autocollimator a and autocollimator b are vertically fixed on same sliding block, and sliding block can be slided on guide rail
Dynamic, autocollimator a can not be able to maintain along guide rail sliding and be substantially parallel, therefore the laser X-axis between measuring instrument, two shaft angle of Y
There are errors for degree, Given this introduce autocollimator b, are the angles in order to measure sliding block opposite reflective mirror in different location on guide rail
Degree, to compensate two axis angular errors of the laser of measuring instrument sending relative to autocollimator a.
Improve the specific steps of laser depth of parallelism calibration method:
Step S1: above-mentioned raising laser depth of parallelism calibrating installation is placed below the instrument of transmitting laser；
Step S2: by adjusting adjusting lifting supporting leg a, adjusting lifting supporting leg b and adjusting lifting supporting leg c and verified using level meter
So that guide rail is parallel on ground；
Step S3: the direction of the launch by one side perpendicular to the reflecting mirror face autocollimator a on ground is placed on level ground；
Step S4: make the measurement laser level i.e. X-axis and vertical i.e. Y-axis angle of autocollimator a by adjusting micrometer adjusting screw group a
It is zero；
Step S5: by guide rail sliding slider autocollimator b is right against to the Laser emission direction of each instrument, respectively
The autocollimator a and autocollimator b of each instrument are read in X-axis, two axis angular deviation of Y；
Step S6: the autocollimator b of each instrument is subtracted into autocollimator a in X-axis, two axis of Y in X-axis, two shaft angle degree offset of Y
The data that angular deviation obtains are each instruments in X-axis, the absolute drift angular amount of two axis of Y, and then each by being calculated
A instrument is measured in X-axis, the opposite deviation angle of two axis of Y.
Basic principle of the invention, main feature and advantage has been shown and described above, do not depart from spirit of that invention and
Under the premise of range, there are also various changes and modifications, these changes and improvements to both fall within claimed invention by the present invention
Range.
Claims (3)
1. a kind of raising laser depth of parallelism calibrating installation, it is characterised in that: crossbeam and guide rail are fixed and in the combination of T font by adjusting
Supporting leg a is lifted, lifting supporting leg b is adjusted and adjusts lifting supporting leg c supported at three point, autocollimator platform is by sliding block slide fit in guide rail
On, the L-type support in autocollimator platform is fixed on sliding block, is separately installed on the two sides side plate of L-type support and is adjusted holder a
It is respectively equipped with autocollimator a and autocollimator b on holder b, the adjusting holder a and adjusting holder b with adjusting, wherein autocollimator
The angle of a and autocollimator b is 90 °.
2. raising laser depth of parallelism calibrating installation according to claim 1, it is characterised in that: set on the adjusting holder a
Have and micrometer adjusting screw the group a, the adjusting holder b of angle adjustment are carried out equipped with to autocollimator b direction to autocollimator a direction
Carry out the micrometer adjusting screw group b of angle adjustment.
3. a kind of raising laser depth of parallelism calibration method, it is characterised in that specific steps are as follows:
Step S1: raising laser depth of parallelism calibrating installation of any of claims 1 or 2 is placed under the instrument of transmitting laser
Side；
Step S2: by adjusting adjusting lifting supporting leg a, adjusting lifting supporting leg b and adjusting lifting supporting leg c and verified using level meter
So that guide rail is parallel on ground；
Step S3: the direction of the launch by one side perpendicular to the reflecting mirror face autocollimator a on ground is placed on level ground；
Step S4: make the measurement laser level i.e. X-axis and vertical i.e. Y-axis angle of autocollimator a by adjusting micrometer adjusting screw group a
It is zero；
Step S5: by guide rail sliding slider autocollimator b is right against to the Laser emission direction of each instrument, respectively
The autocollimator a and autocollimator b of each instrument are read in X-axis, two axis angular deviation of Y；
Step S6: the autocollimator b of each instrument is subtracted into autocollimator a in X-axis, two axis of Y in X-axis, two shaft angle degree offset of Y
The data that angular deviation obtains are each instruments in X-axis, the absolute drift angular amount of two axis of Y, and then each by being calculated
A instrument is measured in X-axis, the opposite deviation angle of two axis of Y.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945423.9A CN109238654B (en) | 2018-08-20 | 2018-08-20 | Calibration device and method for improving laser parallelism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945423.9A CN109238654B (en) | 2018-08-20 | 2018-08-20 | Calibration device and method for improving laser parallelism |
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| Publication Number | Publication Date |
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| CN109238654A true CN109238654A (en) | 2019-01-18 |
| CN109238654B CN109238654B (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810945423.9A Active CN109238654B (en) | 2018-08-20 | 2018-08-20 | Calibration device and method for improving laser parallelism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440715A (en) * | 2019-05-28 | 2019-11-12 | 重庆邮电大学 | Error compensating method of the photoelectric auto-collimator under long range operating condition |
Citations (6)
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| CN103486998A (en) * | 2013-09-18 | 2014-01-01 | 中国科学院西安光学精密机械研究所 | Auto-collimator indicating value error calibrating device and method |
| CN103643620A (en) * | 2013-12-18 | 2014-03-19 | 北京市路兴公路新技术有限公司 | Laser beam parallelism adjustment system and laser beam parallelism adjustment method for road surface deflection measurement |
| KR20140115587A (en) * | 2013-03-21 | 2014-10-01 | 한국전자통신연구원 | Laser beam height aligner |
| CN204008064U (en) * | 2014-08-04 | 2014-12-10 | 孝感华中精密仪器有限公司 | The inclined to one side detector of a kind of optical axis center |
| CN105424322A (en) * | 2015-11-09 | 2016-03-23 | 中国科学院长春光学精密机械与物理研究所 | Self-calibration optical axis parallelism detector and detection method |
| CN205449447U (en) * | 2016-02-23 | 2016-08-10 | 丹阳丹耀光学有限公司 | Optical lens divided beams depth of parallelism detection device |
-
2018
- 2018-08-20 CN CN201810945423.9A patent/CN109238654B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140115587A (en) * | 2013-03-21 | 2014-10-01 | 한국전자통신연구원 | Laser beam height aligner |
| CN103486998A (en) * | 2013-09-18 | 2014-01-01 | 中国科学院西安光学精密机械研究所 | Auto-collimator indicating value error calibrating device and method |
| CN103643620A (en) * | 2013-12-18 | 2014-03-19 | 北京市路兴公路新技术有限公司 | Laser beam parallelism adjustment system and laser beam parallelism adjustment method for road surface deflection measurement |
| CN204008064U (en) * | 2014-08-04 | 2014-12-10 | 孝感华中精密仪器有限公司 | The inclined to one side detector of a kind of optical axis center |
| CN105424322A (en) * | 2015-11-09 | 2016-03-23 | 中国科学院长春光学精密机械与物理研究所 | Self-calibration optical axis parallelism detector and detection method |
| CN205449447U (en) * | 2016-02-23 | 2016-08-10 | 丹阳丹耀光学有限公司 | Optical lens divided beams depth of parallelism detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440715A (en) * | 2019-05-28 | 2019-11-12 | 重庆邮电大学 | Error compensating method of the photoelectric auto-collimator under long range operating condition |
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| CN109238654B (en) | 2020-04-10 |
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