CN106595703B - Method for adjusting collimation error of horizontal theodolite - Google Patents
Method for adjusting collimation error of horizontal theodolite Download PDFInfo
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- CN106595703B CN106595703B CN201610930616.8A CN201610930616A CN106595703B CN 106595703 B CN106595703 B CN 106595703B CN 201610930616 A CN201610930616 A CN 201610930616A CN 106595703 B CN106595703 B CN 106595703B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims abstract description 41
- 206010010071 Coma Diseases 0.000 claims abstract description 8
- 230000004075 alteration Effects 0.000 claims abstract description 8
- 201000009310 astigmatism Diseases 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 20
- 238000004080 punching Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 229920001872 Spider silk Polymers 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 6
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract 1
- 101150030337 CCD7 gene Proteins 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- Physics & Mathematics (AREA)
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Lenses (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention belongs to the technical field of optics, and particularly relates to a method for adjusting the sighting error of a horizontal theodolite. The method mainly comprises the following steps: 1) adjusting the self-alignment core penetration of the primary mirror; 2) adjusting the self-alignment piercing of the CCD; 3) and the secondary mirror assembly is installed, coma and astigmatism between the primary mirror assembly and the secondary mirror assembly are eliminated, and the spherical aberration and the focal length of the primary mirror system are ensured to meet the requirements. The method of the invention is simple to operate, and solves the problem that the machining precision of a mechanical structural part in the horizontal theodolite is difficult to meet the precision requirement of an optical system, so that the visual axis and the optical axis are inclined or eccentric.
Description
Technical field
The invention belongs to optical technical fields, and in particular to a kind of altitude azimuth form theodolite sights the adjusting process of difference.
Background technique
Since part processing is difficult to meet optical system required precision with assembly precision, altitude azimuth form theodolite trunnion axis is turned over
At 180 °, the angle of position is not 180 ° in the horizontal plane before and after optical axis rotation.As shown in Figure 1, O is that the optical axis and trunnion axis are handed over
Point.OZ is positive under specular state ideal optical axis position, OZ1Practical optical axis position when for telescope direct, their angle ∠ ZOZ1As shine
Quasi- difference C, OZ '2The angle of practical optical axis position when for reversing face, it and OZ axis is (180 ° of+C).Instrumental azimuth axis turns clockwise
After 180 ° dynamic, the practical optical axis is in OZ2Position, with OZ when telescope direct1The angle ∠ Z of position1OZ2=2C will turn again to initial position
2 will be rotated more.Altitude azimuth form theodolite sights the error of perpendicularity that difference refers to the optical axis and trunnion axis, it is to guarantee telescope precision
One of important indicator.
Current measurement method:
Generally the same parallel light tube is directed at using change face twice, writes down reading A when telescope direct1, reading when reversing face
A2, following formula is then substituted into, calculates and sights difference.
Such as Fig. 1 and Fig. 2 and Fig. 3, shown altitude azimuth form theodolite mainly includes U-shaped frame 1, the big cabinet that is mounted in U-shaped frame 1
2, it is mounted on the primary mirror microscope group 3 and secondary mirror microscope group 4, the primary mirror that is mounted between big cabinet 2 and primary mirror microscope group 3 at big 2 both ends of cabinet
It repairs to cut to repair between pad 5 and big cabinet 2 and secondary mirror microscope group 4 for adjusting the secondary mirror of primary mirror microscope group and secondary mirror microscope group posture and cuts pad 6；
CCD7, postposition lens group 8 and second plane mirror 9 and third plane mirror 10 outside the side wall of big cabinet 2 is installed；It is main
Mirror microscope group 3 includes primary mirror seat 17, primary mirror frame 18 and primary mirror 19；Primary mirror 19 is mounted in primary mirror frame 18, primary mirror frame 18
The primary mirror installation end of big cabinet 2 is mounted on by primary mirror seat 17；Secondary mirror microscope group 4 includes sub-mirror seat 20, secondary cell mount 21 and secondary
Mirror 22；Secondary mirror 22 is mounted in time cell mount 21, and secondary cell mount 21 is mounted on big 2 secondary mirror installation end of cabinet by sub-mirror seat 20；
Caused by the deviation for causing the main reason for sighting difference to be machining and assembly, specifically: altitude azimuth form theodolite
U-shaped frame 1 and the cooperation of 2 mounting surface of big cabinet mounted thereto cause.
Common adjusting process has following two:
The first: being adjusted, this method passes through tune using the not uniform thickness ring between trunnion axis two sides and big cabinet connecting flange faces
Horizontal axis sights difference to eliminate.The adjusting process adjusts process complexity, and time-consuming.
Second: adjustment aims at primary mirror cross-graduation plate and secondary mirror cross-graduation plate or CCD target surface, moves it C value, makes
It obtains trunnion axis to be mutually perpendicular to the optical axis, then can eliminate and sight difference.This method of adjustment is simple, strong operability.
The common drawback of above method is the inclination or bias that will cause the optical axis and optical axis, so that optical system anorthopia field makes
With causing the decline of Performance of Optical System.
Summary of the invention
In order to overcome the problems in background technique, the present invention provides the adjusting process that a kind of altitude azimuth form theodolite sights difference,
It solves mechanical structured member machining accuracy in altitude azimuth form theodolite to be difficult to meet optical system required precision optical axis to caused by
The problem of inclination or bias with optical axis.
Technical scheme is as follows:
The present invention provides the adjusting process that a kind of altitude azimuth form theodolite sights difference, comprising the following steps:
1) the autocollimatic punching of primary mirror is adjusted；
1.1) using big cabinet and U-shaped frame mounting surface as adjustment datum level, collimating mirror is installed on datum level, is collimated in face
Frist theodolite is placed in the position of mirror, and adjusting frist theodolite makes itself and collimating mirror autocollimatic, after autocollimatic after the completion of to the first longitude and latitude
Instrument azimuth is reset；
1.2) the first plane mirror, the rotation of frist theodolite azimuth are placed in the front of big cabinet secondary mirror installation end
90 °, adjusting the first plane mirror makes itself and frist theodolite autocollimatic；
1.3) primary mirror microscope group is installed in the primary mirror installation end of big cabinet, the position pendulum of face primary mirror microscope group outside big cabinet
Be allowed to dry interferometer, adjust interferometer make its emergent light pass through primary mirror axis hole and with the first plane mirror autocollimatic；
1.4) it adjusts repairing in primary mirror microscope group and big cabinet installation end face and cuts pad, make the primary mirror cross-graduation in primary mirror microscope group
The crosshair of plate is overlapped with the focus of interferometer shoot laser beam, realize punching, while allow primary mirror cross-graduation plate reflecting surface with
Interferometer auto-collimation；
2) the autocollimatic punching of CCD is adjusted；
2.1) the first plane mirror is removed, places second theodolite in the position of the first plane mirror, adjust second
Theodolite makes its optical axis and primary mirror cross-graduation plate dividing plane autocollimatic and makes second theodolite internal spider silk and primary mirror cross
The center of reticule of graticle is overlapped；
2.2) CCD, postposition lens group, second plane mirror and third plane mirror are installed；After being adjusted in place, with master
Autocollimatic punching is carried out to CCD target surface on the basis of mirror cross-graduation plate, completes CCD autocollimatic punching；
3) time mirror assembly is installed, coma and astigmatism between primary mirror component and secondary mirror assembly are eliminated, guarantees primary and secondary mirror system
Spherical aberration meets the requirements with focal length.
Above-mentioned steps 2.2) comprise the concrete steps that:
Repairing under adjustment CCD installation pedestal cuts mat thickness and the inclination of CCD in the horizontal plane and translation so that in CCD target surface
Heart position makes CCD target surface and second theodolite autocollimatic by the second theodolite optical axis.
Above-mentioned steps 3) comprise the concrete steps that:
3.1) secondary mirror microscope group is installed in the secondary mirror installation end of big cabinet；
3.2) it grinds repairing on time mirror element and big cabinet mounting surface by repairing and cuts pad, adjusting secondary mirror microscope group is with respect to primary mirror microscope group
Translation and inclination, eliminate coma and astigmatism；
3.3) it is repaired by adjusting time mirror element and cuts mat thickness, guarantee that the spherical aberration of primary mirror and secondary mirror meets the requirements with focal length.
Advantages of the present invention is as follows:
1, the present invention is used using mechanical erection face as benchmark adjustment optical system, alleviates mechanical structure to a certain extent
Part machining accuracy is difficult to meet the contradiction of optical system required precision.
2, the present invention solves the problems, such as the inclination or bias of the optical axis and optical axis, and realizing zero visual field of altitude azimuth form theodolite makes
With improving the performance of optical system.
Detailed description of the invention
Fig. 1 is the main view of altitude azimuth form theodolite.
Fig. 2 is the side view of altitude azimuth form theodolite.
Fig. 3 is the structural schematic diagram of the assembly one of existing big cabinet, primary mirror microscope group and secondary mirror microscope group；
Fig. 4 is the structural schematic diagram of the assembly one of the big cabinet of the present invention, primary mirror microscope group and secondary mirror microscope group；
Fig. 5 is the structural schematic diagram for adjusting the autocollimatic punching of primary mirror；
Fig. 6 is the structural schematic diagram for adjusting the autocollimatic punching of CCD；
Appended drawing reference is as follows:
The big cabinet of 1-U type frame, 2-, 3- primary mirror microscope group, 4- secondary mirror microscope group, 5- primary mirror are repaired and cut pad, 6- secondary mirror is repaired and cuts pad, 7-
CCD, 8- postposition lens group, 9- second plane mirror, 10- third plane mirror, 11- frist theodolite, the first plane of 12-
Reflecting mirror, 13- interferometer, 14- primary mirror cross-graduation plate, 15- collimating mirror, 16- second theodolite.
Specific embodiment
The present invention provides the adjusting process that a kind of altitude azimuth form theodolite sights difference, solve mechanical in altitude azimuth form theodolite
Structural member machining accuracy is difficult to meet the inclination of the optical system required precision optical axis and optical axis to caused by or the problem of bias.
As shown in Figure 1, Figure 2 and Figure 4, altitude azimuth form theodolite mainly include U-shaped frame 1, the big cabinet that is mounted in U-shaped frame 1
2, the primary mirror 3 and secondary mirror microscope group 4, the primary mirror that is mounted between big cabinet 2 and primary mirror microscope group 3 for being mounted on big 2 both ends of cabinet are repaired and are cut
It repairs between pad 5 and big cabinet 2 and secondary mirror microscope group 4 for adjusting the secondary mirror of primary mirror microscope group and secondary mirror microscope group posture and cuts pad 6；Installation
CCD7, postposition lens group 8 and second plane mirror 9 and third plane mirror 10 outside the side wall of big cabinet 2；Primary mirror mirror
Group 3 includes primary mirror seat 17, primary mirror frame 18 and primary mirror 19；Primary mirror 19 is mounted in primary mirror frame 18, and primary mirror frame 18 passes through
Primary mirror seat 17 is mounted on the primary mirror installation end of big cabinet 2；Secondary mirror microscope group 4 includes sub-mirror seat 20, secondary cell mount 21 and secondary mirror 22；
Secondary mirror 22 is mounted in time cell mount 21, and secondary cell mount 21 is mounted on big 2 secondary mirror installation end of cabinet by sub-mirror seat 20；In addition,
The altitude azimuth form theodolite of offer of the invention offers through-hole in the mounting surface (i.e. on datum clamp face) of big cabinet and U-shaped frame,
It is upper in through-hole that collimating mirror 15 is installed；
Caused by the deviation for causing the main reason for sighting difference to be machining and assembly, specifically: altitude azimuth form theodolite
U-shaped frame 1 and the cooperation of 2 mounting surface of big cabinet mounted thereto cause.
The principle of the present invention:
In adjustment on the basis of big cabinet 2 and U-shaped 1 mounting surface of frame, pass through frist theodolite 11, the first plane reflection first
Benchmark is led to interferometer 13 by mirror 12, is adjusted primary mirror microscope group 3 and is made primary mirror cross-graduation plate 14 and 11 autocollimatic of frist theodolite；
Secondary mirror microscope group 4 is installed, makes system astigmatism, coma minimum by adjusting secondary mirror microscope group 4, spherical aberration meets the requirements, can recognize at this time
It is parallel with affiliated benchmark for optical axis；Secondly, the pose of CCD7 is adjusted, so that primary mirror cross-graduation plate 14 and CCD7 target surface autocollimatic is worn
The heart, it is ensured that optical axis is overlapped with the optical axis；From the above mentioned, the unification that the optical axis, optical axis are realized by the Method of Adjustment, ensures simultaneously
The optical axis, optical axis are parallel with datum clamp face, finally eliminate and sight difference caused by optical system lens part.
Specific implementation step of the invention:
A kind of Large Scale Theodolite sights the adjusting process of difference, mainly includes following implemented step:
As shown in figure 5, step 1) adjusts the autocollimatic punching of primary mirror；
Step 1.1) installs collimating mirror 15 using big cabinet 2 and U-shaped 1 mounting surface of frame as adjustment datum level on datum level,
Frist theodolite 11 is placed in the position of face collimating mirror 15, and adjusting frist theodolite 11 makes itself and 15 autocollimatic of collimating mirror, after autocollimatic
11 azimuth of frist theodolite is reset after the completion；
Step 1.2) places the first plane mirror 12, frist theodolite 11 in the front of big 2 secondary mirror installation end of cabinet
Azimuth is rotated by 90 °, and adjusting the first plane mirror 12 makes itself and 11 autocollimatic of frist theodolite；
Step 1.3) installs primary mirror microscope group 3, the face primary mirror microscope group 3 outside big cabinet in the primary mirror installation end of big cabinet 2
Position put interferometer 13, adjust interferometer 13 make its emergent light pass through primary mirror axis hole and with the first plane mirror 12 from
It is quasi-；
The primary mirror that step 1.4) adjusts in primary mirror microscope group 3 and big cabinet 2 installation end face, which is repaired, cuts pad 5, makes in primary mirror microscope group 3
The crosshair of primary mirror cross-graduation plate 14 is overlapped with the focus of 13 shoot laser beam of interferometer, realizes punching, while allowing primary mirror ten
14 reflecting surface of word graticle and 13 auto-collimation of interferometer；
As shown in fig. 6, step 2) adjusts the autocollimatic punching of CCD；
Step 2.1) removes the first plane mirror 12, places second theodolite in the position of the first plane mirror 12
16, it adjusts second theodolite 16 and makes its optical axis and 14 dividing plane autocollimatic of primary mirror cross-graduation plate and make inside second theodolite 16
Crosshair is overlapped with the center of reticule of primary mirror cross-graduation plate 14；
Step 2.2) installs CCD7, postposition lens group 8, second plane mirror and 9 third plane mirrors 10；It is adjusted to
Behind position, autocollimatic punching is carried out to CCD7 target surface on the basis of primary mirror cross-graduation plate 14, completes CCD7 autocollimatic punching；Step 2.2)
Middle CCD target surface carries out comprising the concrete steps that for autocollimatic punching:
Repairing under adjustment CCD7 installation pedestal cuts mat thickness and the inclination of CCD7 in the horizontal plane and translation so that CCD7 target
Face center makes CCD7 target surface and 16 autocollimatic of second theodolite by 16 optical axis of second theodolite.
Step 3) installs time mirror assembly 4, eliminates coma and astigmatism between primary mirror component 3 and secondary mirror assembly 4, guarantees primary and secondary
Mirror system spherical aberration meets the requirements with focal length.
It comprises the concrete steps that:
Step 3.1) installs secondary mirror microscope group 4 in the secondary mirror installation end of big cabinet 2；
Step 3.2), which passes through the secondary mirror repaired grind on secondary mirror microscope group 4 and big 2 mounting surface of cabinet, repairs and cuts pad 6, adjusts secondary mirror microscope group
The translation and inclination of opposite primary mirror microscope group, eliminate coma and astigmatism；
Step 3.3) is repaired by adjusting secondary mirror and cuts mat thickness, guarantees that the spherical aberration of primary mirror and secondary mirror meets the requirements with focal length.
Claims (3)
1. the adjusting process that a kind of altitude azimuth form theodolite sights difference, which comprises the following steps:
1) the autocollimatic punching of primary mirror is adjusted；
1.1) using big cabinet and U-shaped frame mounting surface as adjustment datum level, collimating mirror is installed on datum level, in face collimating mirror
Frist theodolite is placed in position, and adjusting frist theodolite makes itself and collimating mirror autocollimatic, and autocollimatic is after the completion to frist theodolite orientation
Angle is reset；
1.2) the first plane mirror is placed in the front of big cabinet secondary mirror installation end, frist theodolite azimuth is rotated by 90 °,
Adjusting the first plane mirror makes itself and frist theodolite autocollimatic；
1.3) primary mirror microscope group is installed in the primary mirror installation end of big cabinet, the position of face primary mirror microscope group is put dry outside big cabinet
Interferometer, adjust interferometer make its emergent light pass through primary mirror axis hole and with the first plane mirror autocollimatic；
1.4) it adjusts repairing in primary mirror microscope group and big cabinet installation end face and cuts pad, make the primary mirror cross-graduation plate in primary mirror microscope group
Crosshair is overlapped with the focus of interferometer shoot laser beam, realize punching, while allow primary mirror cross-graduation plate reflecting surface and interference
Instrument auto-collimation；
2) the autocollimatic punching of CCD is adjusted；
2.1) the first plane mirror is removed, second theodolite is placed in the position of the first plane mirror, adjusts the second longitude and latitude
Instrument makes its optical axis and primary mirror cross-graduation plate dividing plane autocollimatic and makes second theodolite internal spider silk and primary mirror cross-graduation
The center of reticule of plate is overlapped；
2.2) CCD, postposition lens group, second plane mirror and third plane mirror are installed；After being adjusted in place, with primary mirror ten
Autocollimatic punching is carried out to CCD target surface on the basis of word graticle, completes CCD autocollimatic punching；
3) time mirror assembly is installed, coma and astigmatism between primary mirror component and secondary mirror assembly are eliminated, guarantees primary and secondary mirror system spherical aberration
It meets the requirements with focal length.
2. altitude azimuth form theodolite sights the adjusting process of difference according to claim 1, it is characterised in that: the step 2.2)
Specifically:
Repairing under adjustment CCD installation pedestal cuts mat thickness and the inclination of CCD in the horizontal plane and translation so that CCD target surface centre bit
It sets through the second theodolite optical axis, while making CCD target surface and second theodolite autocollimatic.
3. altitude azimuth form theodolite sights the adjusting process of difference according to claim 1, it is characterised in that: the tool of the step 3)
Body step is:
3.1) secondary mirror microscope group is installed in the secondary mirror installation end of big cabinet；
3.2) it grinds repairing on time mirror element and big cabinet mounting surface by repairing and cuts pad, adjust secondary mirror microscope group putting down with respect to primary mirror microscope group
It moves and tilts, eliminate coma and astigmatism；
3.3) it is repaired by adjusting time mirror element and cuts mat thickness, guarantee that the spherical aberration of primary mirror and secondary mirror meets the requirements with focal length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610930616.8A CN106595703B (en) | 2016-10-31 | 2016-10-31 | Method for adjusting collimation error of horizontal theodolite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610930616.8A CN106595703B (en) | 2016-10-31 | 2016-10-31 | Method for adjusting collimation error of horizontal theodolite |
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| Publication Number | Publication Date |
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| CN106595703A CN106595703A (en) | 2017-04-26 |
| CN106595703B true CN106595703B (en) | 2019-04-02 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520525A (en) * | 2018-11-29 | 2019-03-26 | 中国科学院长春光学精密机械与物理研究所 | The theodolite light axis consistency method of inspection, device, equipment and readable storage medium storing program for executing |
| CN112946852B (en) * | 2021-03-24 | 2023-04-11 | 中国科学院西安光学精密机械研究所 | Primary and secondary mirror system adjustment method |
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|---|---|---|---|---|
| CN2364434Y (en) * | 1999-04-15 | 2000-02-16 | 长春市第五光学仪器厂 | Theodolite correcting device |
| CN2645040Y (en) * | 2003-09-23 | 2004-09-29 | 郭晓松 | Portable transit detection apparatus |
| CN103727961A (en) * | 2014-01-14 | 2014-04-16 | 中国科学院长春光学精密机械与物理研究所 | Method for correcting dynamic error of electro-optic theodolite |
| CN103727962A (en) * | 2014-01-14 | 2014-04-16 | 中国科学院长春光学精密机械与物理研究所 | Precision calibration method of wide-field infrared photoelectric theodolite |
| CN104316082A (en) * | 2014-10-28 | 2015-01-28 | 中国科学院长春光学精密机械与物理研究所 | Theodolite external field infinite remote calibration method |
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2016
- 2016-10-31 CN CN201610930616.8A patent/CN106595703B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN2364434Y (en) * | 1999-04-15 | 2000-02-16 | 长春市第五光学仪器厂 | Theodolite correcting device |
| CN2645040Y (en) * | 2003-09-23 | 2004-09-29 | 郭晓松 | Portable transit detection apparatus |
| CN103727961A (en) * | 2014-01-14 | 2014-04-16 | 中国科学院长春光学精密机械与物理研究所 | Method for correcting dynamic error of electro-optic theodolite |
| CN103727962A (en) * | 2014-01-14 | 2014-04-16 | 中国科学院长春光学精密机械与物理研究所 | Precision calibration method of wide-field infrared photoelectric theodolite |
| CN104316082A (en) * | 2014-10-28 | 2015-01-28 | 中国科学院长春光学精密机械与物理研究所 | Theodolite external field infinite remote calibration method |
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