CN103226234B - Method for adjusting optical axis of Pechan prism - Google Patents
Method for adjusting optical axis of Pechan prism Download PDFInfo
- Publication number
- CN103226234B CN103226234B CN201310110957.7A CN201310110957A CN103226234B CN 103226234 B CN103226234 B CN 103226234B CN 201310110957 A CN201310110957 A CN 201310110957A CN 103226234 B CN103226234 B CN 103226234B
- Authority
- CN
- China
- Prior art keywords
- benhain prism
- internal focusing
- focusing telescope
- graticule
- optical axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a method for adjusting an optical axis of a Pechan prism, and belongs to the field of optical adjustment. The method comprises the steps as follows: taking an internal focusing telescope as a target generator; firstly adjusting the optical axis of the internal focusing telescope to be coaxial to a mechanical rotation axis of a Pechan prism assembly; then adjusting an incident plane of the Pechan prism through screws to be vertical to the optical axis of the internal focusing telescope, namely, the optical axis of the Pechan prism is parallel to the mechanical rotation axis; then radically translating the Pechan prism to enable the optical axis of the Pechan prism to be coaxial to the mechanical rotation axis. The method has the characteristics of simple structure of an adjusting instrument, convenience for erection, simplicity and convenience for the adjustment and strong operability, saves plenty of time for product assembly, improves the working efficiency of operators, and can be widely applied in adjustment and calibration to enable the optical axis of the Pechan prism to be coaxial to the mechanical rotation axis.
Description
Technical field
The invention belongs to field of optical adjustment, relate generally to a kind of adjustment method of prism optical axis, the adjustment method that especially benhain prism optical axis is parallel with mechanical turning axle.
Background technology
360 ° of comprehensive scannings that panorama point instrumentation generally adopts rotatable head mirror assembly or lower mirror assembly to realize target, thus make observer can carry out omnibearing search and observation by eyepiece to target, but the rotary part due to panorama point instrumentation can bring the rotation of picture when rotating, namely when observer is observed by eyepiece, the scenery seen produces rotation along with the rotation of point instrumentation rotary part, in order to eliminate this phenomenon, in the light path of instrument, generally increase the picture that disappears revolve parts, picture is produced and rotates backward thus eliminate this impact.Conventional Dove prism and rotatable lens barrel or benhain prism and rotatable lens barrel form the picture that disappears and revolve parts, and Dove prism can only be used for parallel light path, and benhain prism can be used for parallel light path or non-parallel light path.For disappearing, picture revolves parts, require that Dove prism optical axis or benhain prism optical axis overlap with the machinery rotation axle height of lens barrel, otherwise in actual use, optical axis and the machinery rotation axle coaxiality error of Dove prism or benhain prism can through the amplifications of eyepiece system, during by eye-observation, system imaging can produce beats, and error is larger, picture jumps over large, all has a great impact for the comfortableness observed and observation effect.Therefore, for benhain prism disappear picture revolve parts, require benhain prism optical axis and machinery rotation axle coaxiality error very little (General Requirements its be less than 30 ").
Chinese periodical " photoelectric project " the 18th volume the 6th interim " the revolving picture precision analysis and dress calibration method of a benhain prism " literary composition discloses a kind of adjustment method of benhain prism optical axis, the method divides two steps to carry out adjustment, the first step, benhain prism is fixed on the rotary shaft, in benhain prism plane of incidence front end and near turning axle end face frame 1 " the instrument light pipe of band autocollimating eyepiece, rotate benhain prism, the reflection image jerk value in its graticule branches of the regular meridians Chinese prism incidence face is observed by the eyepiece of instrument light pipe, if jerk value exceeds tolerance, then need repeatedly grinding benhain prism assembly conditioning ring until the graticule reflection image jerk value of instrument light pipe is in tolerance, that is the normal of the benhain prism plane of incidence and optical axis parallel with turning axle, then with pin, benhain prism seat and conditioning ring are fixed together.Second step, instrument light pipe is fixed on the rotary shaft, at benhain prism outgoing side frame one microscope, rotate benhain prism member rotary axis and by microscopic instrument light pipe graticule image jump amount whether within tolerance, if do not exist, need radial adjustment instrument light pipe graticule, until instrument light pipe graticule image jump amount meets franchise; Move axially the object lens of instrument light pipe again, make graticule image position in the rear of benhain prism exit facet, pull down benhain prism, rotate benhain prism member rotary axis and by the graticule image jump amount of microscopic instrument light pipe whether within tolerance, if do not exist, need the object lens of radial adjustment instrument light pipe until its graticule image jump amount meets franchise; By the original position assembling benhain prism pulled down, rotate benhain prism and with the graticule of microscopic instrument light pipe through benhain prism imaging jerk value whether within tolerance, if do not exist, need radial adjustment benhain prism until the graticule image jump amount of instrument light pipe meets the demands, finally benhain prism seat pin is fixed on turning axle.This shows, the method needs repeatedly the graticule of conditioning instrumentation and object lens and repeated disassembled and assembled benhain prism, and need repeatedly grinding benhain prism assembly conditioning ring, debug process very complicated, and benhain prism pin is fixed, need to hole on benhain prism seat and turning axle, the metal fillings that boring produces and greasy dirt can pollute benhain prism and there is the risk scratching benhain prism, poor operability, efficiency is low.
Summary of the invention
The technical problem to be solved in the present invention is, for the deficiencies in the prior art, provide a kind of instrument set up simple, debug process is easy, safe and reliable, efficiency is high, can realize the adjustment method that benhain prism optical axis is coaxial with machinery rotation axle.
Adjustment method provided by the invention comprises the following steps:
The first step, catoptron is fixed on the incidence end of accurate benhain prism assembly, again accurate benhain prism assembly, contrast graticule, observation eyepiece are arranged on the adjustable platform of leveling successively, the incidence end of internal focusing telescope positive alignment benhain prism assembly is placed, particular location should can be seen catoptron clearly and be as the criterion when internal focusing telescope focuses on, require that observation eyepiece can see contrast graticule clearly when 0 diopter, the optical axis of internal focusing telescope, the axis of accurate benhain prism assembly, the contrast center of graticule and the optical axis of observation eyepiece should be located along the same line;
Benhain prism assembly contains two pressures spiral shell, benhain prism, microscope base, gear, bearing, some steel balls, lens barrel, end cap, 12 screws, microscope base is the right cylinder with rectangular through-hole, its sidewall is arranged with two tapped through holes, axis hole one end of gear is provided with internal thread; Bearing is the cylindrical drum of middle part with the outer shaft shoulder, and the both sides port of cylindrical drum is all processed with a circle chamfering; Lens barrel is cylindric, and its light input end is with one section of external thread, and light output end, with outer nosing, the output end face of lens barrel is also provided with four screws of circumference uniform distribution.The consistent waist hole of end cap is uniform in a circumferential direction four direction, four through holes and four screws, four screws and through hole are positioned at same circumference and neighbour;
Bearing empty set is on lens barrel, and its one end is positioned on the inner side end of the outer nosing of lens barrel, and the other end is positioned on the inner side end of gear; Gear is threaded with lens barrel; Steel ball is covered with in the annular groove formed at bearing two chamfer and lens barrel and gear, thus form accurate benhain prism assembly;
The small end of benhain prism is near the ring flange of microscope base, and benhain prism two sides parallel with optical axis are one by one just to two tapped through holes of microscope base, and pressure spiral shell is arranged on described tapped through hole and is compressed by benhain prism; Four through holes of end cap are connected by the output end face of corresponding four screws and microscope base, the threaded end of screw be arranged in end cap four screws contacts with the output end face of microscope base, the waist length direction in described waist hole spatially keeps vertical with the axis of two tapped through holes on microscope base, and waist hole is connected by corresponding four screws to the output end face of lens barrel, thus constitutes complete benhain prism assembly;
Second step, regulate internal focusing telescope to infinite distance, rotate accurate benhain prism assembly, on the graticule of internal focusing telescope by occur internal focusing telescope division line through catoptron reflection after and the autocollimatic picture circled, the motion center of circle observing this autocollimatic picture by the eyepiece of internal focusing telescope whether with the center superposition of internal focusing telescope graticule, if do not overlap, then regulate orientation and the luffing angle handwheel of internal focusing telescope, until the overlapping of the centre of motion of autocollimatic picture and graticule, now, internal focusing telescope optical axis is parallel with the machinery rotation axle of accurate benhain prism assembly,
3rd step, regulate the focusing handwheel of internal focusing telescope until the cross-graduation of catoptron is imaged on the graticule of internal focusing telescope clearly, rotate accurate benhain prism assembly, the cross-graduation picture of catoptron will circle, now, the motion center of circle observing this picture by the eyepiece of internal focusing telescope whether with the center superposition of internal focusing telescope graticule, if do not overlap, then regulate height and the left and right translation handwheel of internal focusing telescope, until the overlapping of the centre of motion of catoptron cross-graduation picture and graticule, now internal focusing telescope optical axis is coaxial with the machinery rotation axle of accurate benhain prism assembly,
4th step, takes off catoptron from accurate benhain prism assembly, and accurate benhain prism assembled is become complete benhain prism assembly; Regulate internal focusing telescope to infinite distance, rotate benhain prism assembly, the graticule of internal focusing telescope will occur that internal focusing telescope division line branches of the regular meridians Chinese prism incidence face is reflected afterwards and the autocollimatic picture circled, whether the diameter being observed the movement locus of this autocollimatic picture by the eyepiece of internal focusing telescope exceeds tolerance, if exceed tolerance, regulate the screw being connected with microscope base or contacting, until the movement locus diameter of this autocollimatic picture meets tolerance requirements, namely the optical axis of benhain prism and the machinery rotation axle of benhain prism assembly parallel;
5th step, regulate the focusing handwheel of internal focusing telescope, be imaged on contrast graticule after making the division line branches of the regular meridians Chinese prism transmission of internal focusing telescope, rotate benhain prism assembly, by observation eyepiece observe the movement locus center of circle of graduation picture that internal focusing telescope circles whether with the center superposition of contrast graticule, if do not overlap, then radiai adjustment contrast graticule, until overlap, then judge that whether the diameter of the circular motion track of the graduation picture of internal focusing telescope is in tolerance by the graduation value of contrast graticule, if exceed tolerance, length direction then along waist hole set by end cap regulates end cap until meet tolerance, namely the optical axis of benhain prism and the machinery rotation axle of benhain prism assembly coaxial.
Beneficial effect of the present invention is embodied in the following aspects:
(1) the present invention utilizes internal focusing telescope can simulate the characteristic of infinite distance and limited target far away, only need rotate the focusing first run and can change image planes, and carry out optical axis adjustment by the angular adjustment first run and the translational adjustment first run, compared with prior art, easy and simple to handle.
(2) the present invention utilizes adjustment screw to carry out the adjustment of benhain prism optical axis, and compared with prior art, eliminate conditioning ring, without the need to repeated disassembled and assembled benhain prism, adjustment process is easy, and work efficiency is high.
(3) the present invention utilizes adjustment screw to carry out the fixing of benhain prism, need not process, cause pollution and the damage of benhain prism, and operability is stronger when avoiding machining to metal working part.
(4) the concentric circles delineation form of known scale value is arranged in the graduation of contrast graticule by the present invention, compared with prior art Crosshatch, is easy to reading, and can the jerk value of real-time judge benhain prism optical axis, effectively improves work efficiency.
Accompanying drawing explanation
Fig. 1 be adjustment method of the present invention used adjusting instrument composition schematic diagram.
Fig. 2 is the structural representation of the assembly of benhain prism shown in Fig. 1.
Fig. 3 is the structural representation of end cap shown in Fig. 2.
Fig. 4 is the connection diagram of microscope base shown in Fig. 2 and end cap.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the present invention is described in further detail.
The adjustment method of benhain prism optical axis provided by the invention comprises the steps.
The first step, sets up instrument according to shown in Fig. 1.First combined diagram level being positioned on adjustable platform 2, making the bubble of combined diagram level placed in the middle by regulating the knob on adjustable base 8; Catoptron 4 is fixed on the incidence end of accurate benhain prism assembly, again accurate benhain prism assembly, contrast graticule 6, observation eyepiece 7 are arranged on successively on the fixed base plate 3 be connected with adjustable platform 2, the incidence end of internal focusing telescope 1 positive alignment benhain prism assembly is placed, particular location should can be seen catoptron 4 clearly and be as the criterion when it focuses on, require that observation eyepiece 7 can see contrast graticule 6 clearly when 0 diopter (SD), the optical axis of internal focusing telescope 1, the axis of accurate benhain prism assembly, the contrast center of graticule 6 and the optical axis of observation eyepiece 7 should be located along the same line.
PTW-1A type selected by internal focusing telescope 1, produced by Huadong Optical Instrument Factory.Adjustable platform 2 is two-dimentional adjustable platform, can carry out the angular adjustment of axial and radial both direction.The plane mirror of cross-graduation is carved with centered by catoptron 4.Graduation groove form on contrast graticule 6 is concentric circles, and wherein minimum diameter of a circle scale is 20 ", adjacent circular diameter difference 20 ", and the radial translation of height left and right can be carried out.The enlargement ratio of observation eyepiece 7 is 6 times, and diopter adjustment scope is-6SD ~+5SD.
Benhain prism assembly 5 presses spiral shell 5-1, benhain prism 5-2, microscope base 5-3, gear 5-4, bearing 5-5, some steel ball 5-6, lens barrel 5-7, end cap 5-8,12 screw 5-9(see Fig. 2 containing two).Microscope base 5-3 is the right cylinder with rectangular through-hole, its sidewall is arranged with the tapped through hole of two M10, and its light output end is provided with ring flange and with uniform four screws on ring flange.Axis hole one end of gear 5-4 is provided with internal thread; Bearing 5-5 is the cylindrical drum of middle part with the outer shaft shoulder, and the both sides port of cylindrical drum is all processed with the chamfering of 2 × 45 °; Lens barrel 5-7 is cylindric, and its external diameter differs 2mm with the internal diameter of bearing 5-5, and its light input end is with one section of external thread, and light output end, with outer nosing, the output end face of lens barrel 5-7 is also provided with four screws of circumference uniform distribution.Consistent waist hole 5-8-1, four through hole 5-8-2 and four the screw 5-8-3(of end cap 5-8 is uniform in a circumferential direction four direction are see Fig. 3), Yao Kong center is corresponding with the circumference at the screw place of lens barrel 5-7 diametrically, four through hole centers are corresponding with the circumference at four screw places of microscope base 5-3 diametrically, and four screws and through hole are positioned at same circumference and neighbour.
Bearing 5-5 empty set is on lens barrel 5-7, and its one end is positioned on the inner side end of the outer nosing of lens barrel 5-7, and the other end is positioned on the inner side end of gear; Gear 5-4 is threaded with lens barrel 5-7; Steel ball 5-6 is covered with in the annular groove formed at bearing 5-5 two chamfer and lens barrel 5-7 and gear 5-4, thus form accurate benhain prism assembly.Lens barrel 5-7, bearing 5-5, gear 5-4 and steel ball 5-6 then constitute the rotary axis system of benhain prism assembly 5.
The small end of benhain prism 5-2 is near the ring flange of microscope base 5-3, and benhain prism 5-2 two sides parallel with optical axis are one by one just to two M10 tapped through holes of microscope base 5-3, and pressure spiral shell 5-1 to be arranged on microscope base 5-3 and to be compressed by benhain prism 5-2.After being connected with accurate benhain prism assembly by end cap 5-8 by the microscope base 5-3 that benhain prism 5-2 is housed, just constitute complete benhain prism assembly 5.That is the waist length direction of waist hole 5-8-1 spatially keeps vertical with the axis of upper two tapped through holes of microscope base 5-3 on end cap 5-8, and waist hole 5-8-1 is connected by corresponding four screws with one end of outer nosing to lens barrel 5-7; Four equal mounting screws of screw 5-8-3 of end cap 5-8 and the end contact of the threaded end of each screw and microscope base 5-3; Four through hole 5-8-2 places of end cap 5-8 are connected by the screw on corresponding screw 5-9 and microscope base 5-3 ring flange.
Second step, regulate internal focusing telescope 1 to infinite distance, rotate accurate benhain prism assembly, the graticule of internal focusing telescope 1 will occur that internal focusing telescope division line is after catoptron 4 reflects and the autocollimatic picture circled, the motion center of circle observing this autocollimatic picture by the eyepiece of internal focusing telescope 1 whether with the center superposition of internal focusing telescope graticule, if do not overlap, then regulate orientation and the luffing angle handwheel of internal focusing telescope 1, until the overlapping of the centre of motion of autocollimatic picture and graticule, now, internal focusing telescope 1 optical axis is parallel with the machinery rotation axle of accurate benhain prism assembly.
The optical axis of internal focusing telescope 1 overlaps with the machinery rotation axle of accurate benhain prism assembly and catoptron 4 is vertical with the optical axis of internal focusing telescope ideally, internal focusing telescope division line through catoptron 4 autocollimatic picture should with the graduation center superposition of internal focusing telescope, but due to the impact of mismachining tolerance and alignment error, it is not vertical with the machinery rotation axle of accurate benhain prism assembly when catoptron 4 is fixed on the incidence end of accurate benhain prism assembly, therefore, rotation along with catoptron 4 moves in a circle through the autocollimatic picture of catoptron 4 by internal focusing telescope division line, if the center of circle of this circular motion not with the graduation center superposition of internal focusing telescope, illustrate that the machinery rotation axle of the optical axis of internal focusing telescope 1 and accurate benhain prism assembly is not parallel.
3rd step, regulate the focusing handwheel of internal focusing telescope 1 until the cross-graduation of catoptron 4 is imaged on the graticule of internal focusing telescope clearly, rotate accurate benhain prism assembly, the cross-graduation picture of catoptron 4 will circle, now, the motion center of circle observing this picture by the eyepiece of internal focusing telescope 1 whether with the center superposition of internal focusing telescope graticule, if do not overlap, then regulate height and the left and right translation handwheel of internal focusing telescope 1, until the overlapping of the centre of motion of catoptron 4 cross-graduation picture and graticule, now internal focusing telescope 1 optical axis is coaxial with the machinery rotation axle of accurate benhain prism assembly.
4th step, takes off catoptron 4 from accurate benhain prism assembly, and accurate benhain prism assembled is become complete benhain prism assembly 5, regulate internal focusing telescope 1 to infinite distance, rotate benhain prism assembly 5, on the graticule of internal focusing telescope 1 by occur internal focusing telescope division line through the benhain prism 5-2 plane of incidence reflection after and the autocollimatic picture circled, whether the diameter being observed the movement locus of this autocollimatic picture by the eyepiece of internal focusing telescope 1 exceeds tolerance, if exceed tolerance, regulate the two groups of screw 5-9 being connected with microscope base 5-3 or contacting, until the movement locus diameter of this autocollimatic picture meets tolerance requirements, namely the optical axis of benhain prism 5-2 and the machinery rotation axle of benhain prism assembly 5 parallel.
Be connected with microscope base 5-3 and uniform four screw 5-9 and to contact with microscope base 5-3 and uniform four screw 5-9 are that one_to_one corresponding is adjacent, adjacent pair of screws role holds out against and strain microscope base 5-3.The adjustment two pairs of screws be positioned in microscope base 5-3 vertical direction can make microscope base 5-3 drive benhain prism 5-2 offset in the pitch direction and make the optical axis of benhain prism 5-2 parallel with the machinery rotation axle of benhain prism assembly 5 in pitch orientation; The adjustment two pairs of screws be positioned in microscope base 5-3 horizontal direction can make microscope base 5-3 drive benhain prism 5-2 offset in the horizontal direction and make the optical axis of benhain prism 5-2 parallel with the machinery rotation axle of benhain prism assembly 5 in the horizontal direction, finally make the optical axis of benhain prism 5-2 parallel with the machinery rotation axle of benhain prism assembly 5.
5th step, regulate the focusing handwheel of internal focusing telescope 1, the division line of internal focusing telescope 1 is made to be imaged on contrast graticule 6 after benhain prism 5-2 transmission, rotate benhain prism assembly 5, the movement locus center of circle observing the graduation picture that internal focusing telescope 1 circles by observation eyepiece 7 whether with the center superposition of contrast graticule 6, if do not overlap, then radiai adjustment contrast graticule 6, until overlap, then judge that whether the diameter of the circular motion track of the graduation picture of internal focusing telescope 1 is in tolerance by the graduation value of contrast graticule 6, if exceed tolerance, length direction then along waist hole set by end cap 5-8 regulates end cap until meet tolerance, namely the optical axis of benhain prism 5-2 and the machinery rotation axle of benhain prism assembly 5 coaxial.
Claims (1)
1. an adjustment method for benhain prism optical axis, is characterized in that, the method comprises the following steps:
The first step, catoptron (4) is fixed on the incidence end of accurate benhain prism assembly, again by accurate benhain prism assembly, contrast graticule (6), observation eyepiece (7) is arranged on the adjustable platform (2) of leveling successively, the incidence end of internal focusing telescope (1) positive alignment benhain prism assembly is placed, particular location should can be seen catoptron (4) clearly when internal focusing telescope (1) focuses on and be as the criterion, require that observation eyepiece (7) can see contrast graticule (6) clearly when 0 diopter, the optical axis of internal focusing telescope (1), the axis of accurate benhain prism assembly, the center of contrast graticule (6) and the optical axis of observation eyepiece (7) should be located along the same line,
Benhain prism assembly (5) is containing two pressures spiral shell (5-1), benhain prism (5-2), microscope base (5-3), gear (5-4), bearing (5-5), some steel balls (5-6), lens barrel (5-7), end cap (5-8), 12 screws (5-9), microscope base (5-3) is the right cylinder with rectangular through-hole, its sidewall is arranged with two tapped through holes, axis hole one end of gear (5-4) is provided with internal thread; Bearing (5-5) is for middle part is with the cylindrical drum of the outer shaft shoulder, and the both sides port of cylindrical drum is all processed with a circle chamfering; Lens barrel (5-7) is cylindric, and its light input end is with one section of external thread, and light output end, with outer nosing, the output end face of lens barrel (5-7) is also provided with four screws of circumference uniform distribution; The consistent waist hole (5-8-1) of end cap (5-8) is uniform in a circumferential direction four direction, four through holes (5-8-2) and four screws (5-8-3), four screws and through hole are positioned at same circumference and neighbour;
Bearing (5-5) empty set is on lens barrel (5-7), and its one end is positioned on the inner side end of lens barrel (5-7) outer nosing, and the other end is positioned on the inner side end of gear; Gear (5-4) is threaded with lens barrel (5-7); Steel ball (5-6) is covered with in the annular groove formed at bearing (5-5) two chamfer and lens barrel (5-7) and gear (5-4), thus form accurate benhain prism assembly;
The small end of benhain prism (5-2) is near the ring flange of microscope base (5-3), benhain prism (5-2) two sides parallel with optical axis are one by one just to two tapped through holes of microscope base (5-3), and pressure spiral shell (5-1) is arranged on described tapped through hole and is compressed by benhain prism (5-2), four through holes (5-8-2) of end cap (5-8) are connected by the output end face of corresponding four screws and microscope base (5-3), the threaded end being arranged on the screw in end cap (5-8) four screws (5-8-3) contacts with the output end face of microscope base (5-3), the waist length direction of described waist hole (5-8-1) spatially keeps vertical with the axis of upper two tapped through holes of microscope base (5-3), and waist hole (5-8-1) is connected by corresponding four screws with the output end face of lens barrel (5-7), thus constitute complete benhain prism assembly (5),
Second step, regulate internal focusing telescope (1) to infinite distance, rotate accurate benhain prism assembly, the graticule of internal focusing telescope (1) will occur internal focusing telescope division line through catoptron (4) reflection after and the autocollimatic picture circled, the motion center of circle observing this autocollimatic picture by the eyepiece of internal focusing telescope (1) whether with the center superposition of internal focusing telescope graticule, if do not overlap, then regulate orientation and the luffing angle handwheel of internal focusing telescope (1), until the overlapping of the centre of motion of autocollimatic picture and graticule, now, internal focusing telescope (1) optical axis is parallel with the machinery rotation axle of accurate benhain prism assembly,
3rd step, regulate the focusing handwheel of internal focusing telescope (1) until the cross-graduation of catoptron (4) is imaged on the graticule of internal focusing telescope clearly, rotate accurate benhain prism assembly, the cross-graduation picture of catoptron (4) will circle, now, the motion center of circle observing this picture by the eyepiece of internal focusing telescope (1) whether with the center superposition of internal focusing telescope graticule, if do not overlap, then regulate height and the left and right translation handwheel of internal focusing telescope (1), until the overlapping of the centre of motion of catoptron (4) cross-graduation picture and graticule, now internal focusing telescope (1) optical axis is coaxial with the machinery rotation axle of accurate benhain prism assembly,
4th step, takes off catoptron (4) from accurate benhain prism assembly, and accurate benhain prism assembled is become complete benhain prism assembly (5), regulate internal focusing telescope (1) to infinite distance, rotate benhain prism assembly (5), the graticule of internal focusing telescope (1) will occur internal focusing telescope division line through benhain prism (5-2) plane of incidence reflection after and the autocollimatic picture circled, whether the diameter being observed the movement locus of this autocollimatic picture by the eyepiece of internal focusing telescope (1) exceeds tolerance, if exceed tolerance, regulate the screw being connected with microscope base (5-3) or contacting, until the movement locus diameter of this autocollimatic picture meets tolerance requirements, namely the optical axis of benhain prism (5-2) is parallel with the machinery rotation axle of benhain prism assembly (5),
5th step, regulate the focusing handwheel of internal focusing telescope (1), the division line of internal focusing telescope (1) is made to be imaged in contrast graticule (6) after benhain prism (5-2) transmission, rotate benhain prism assembly (5), by observation eyepiece (7) observe the movement locus center of circle of graduation picture that internal focusing telescope (1) circles whether with the center superposition of contrast graticule (6), if do not overlap, then radiai adjustment contrast graticule (6), until overlap, then judge that whether the diameter of the circular motion track of the graduation picture of internal focusing telescope (1) is in tolerance by the graduation value of contrast graticule (6), if exceed tolerance, length direction then along the set waist hole of end cap (5-8) regulates end cap until meet tolerance, namely the optical axis of benhain prism (5-2) is coaxial with the machinery rotation axle of benhain prism assembly (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310110957.7A CN103226234B (en) | 2013-04-01 | 2013-04-01 | Method for adjusting optical axis of Pechan prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310110957.7A CN103226234B (en) | 2013-04-01 | 2013-04-01 | Method for adjusting optical axis of Pechan prism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103226234A CN103226234A (en) | 2013-07-31 |
| CN103226234B true CN103226234B (en) | 2015-06-03 |
Family
ID=48836736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310110957.7A Active CN103226234B (en) | 2013-04-01 | 2013-04-01 | Method for adjusting optical axis of Pechan prism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103226234B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807390B (en) * | 2016-04-27 | 2018-04-03 | 西安应用光学研究所 | A kind of servicing unit for being used to proofread big spacing lens barrel optical axis |
| CN106768373B (en) * | 2016-11-28 | 2019-01-22 | 中国科学院长春光学精密机械与物理研究所 | A kind of Zero positioning device of infrared follow-up device |
| CN109298500B (en) * | 2018-11-13 | 2020-09-11 | 中国航空工业集团公司洛阳电光设备研究所 | Assembling and adjusting method of axial zooming mechanism |
| CN109283652B (en) * | 2018-11-19 | 2020-11-24 | 中国航空工业集团公司洛阳电光设备研究所 | Method for adjusting optical axis of despun prism despun component |
| CN109633853B (en) * | 2018-12-25 | 2020-11-27 | 同济大学 | Self-cleaning rotary prism device |
| CN110703451B (en) * | 2019-10-17 | 2022-02-11 | 云南北方驰宏光电有限公司 | System and method for installing and adjusting beam splitter prism |
| CN112198625B (en) * | 2020-09-22 | 2022-08-09 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Method for assembling and adjusting Bihan prism assembly applied to convergence light path |
| CN113008133B (en) * | 2021-03-04 | 2023-02-17 | 苏州慧利仪器有限责任公司 | Cylindrical lens for detection |
| CN113624451B (en) * | 2021-07-08 | 2023-10-24 | 中国电子科技集团公司第十一研究所 | Buchner prism optical axis consistency detection assembly and method |
| CN113655585B (en) * | 2021-07-28 | 2022-08-05 | 中国科学院西安光学精密机械研究所 | Method for adjusting and detecting zoom imaging lens |
| CN114035299B (en) * | 2021-11-23 | 2024-01-23 | 中国航空工业集团公司洛阳电光设备研究所 | Shaft penetrating adjustment method for Buchner prism |
| CN114236867A (en) * | 2021-12-03 | 2022-03-25 | 西安应用光学研究所 | Method for accurately adjusting concentricity of telephoto folding axis lens group |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879896A (en) * | 2012-11-05 | 2013-01-16 | 北方光电集团有限公司 | Laser distance measuring and aiming coaxial optical system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2501178A1 (en) * | 1975-01-14 | 1976-07-15 | Leitz Ernst Gmbh | Mounting for two-part Schmidt - Pechan prism system - with two prism elements relatively adjustable |
| US6717752B2 (en) * | 2000-11-14 | 2004-04-06 | Pentax Corporation | Image search device |
-
2013
- 2013-04-01 CN CN201310110957.7A patent/CN103226234B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879896A (en) * | 2012-11-05 | 2013-01-16 | 北方光电集团有限公司 | Laser distance measuring and aiming coaxial optical system |
Non-Patent Citations (1)
| Title |
|---|
| 别汉棱镜的旋像精度分析和装校方法;蒋世磊;《光电工程》;19911231;第18卷(第6期);期刊第50-56页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103226234A (en) | 2013-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103226234B (en) | Method for adjusting optical axis of Pechan prism | |
| CN106873122B (en) | A kind of device and method for large-diameter non-spherical reflecting mirror centering adjustment | |
| US8870452B2 (en) | Optical system and focusing structure for infrared thermometer | |
| CN102608727B (en) | Centering tool and method for determining reference of non-spherical reflector by using same | |
| CN105698713A (en) | An apparatus for calibrating a revolving axis of a precision shaft system and a calibrating method | |
| CN206930878U (en) | A kind of automatic focusing mechanism and camera | |
| CN104296694B (en) | The detection means and method of a kind of laser tracker optical axis and mechanical rotating shaft angle | |
| CN112433337B (en) | Precise optical machine assembling method of trapezoidal prism optical system | |
| CN101872059B (en) | Automatic focusing system and method thereof of OTF (Optical Transfer Function) tester | |
| CN108955569B (en) | Large-caliber long-focus Fizeau type spherical interference testing device | |
| CN102879880B (en) | Rotating type optical system aligning device and adjusting method thereof | |
| CN203053678U (en) | Detection calibration apparatus for multi-optical axis dynamic consistency | |
| CN102539123B (en) | Method for determining optical axis of large-caliber non-spherical reflecting mirror based on centering processing | |
| CN102486941B (en) | Simulating target positioning device | |
| CN110763163B (en) | Photoelectric image measuring instrument and measuring method for detecting verticality of large-size workpiece | |
| CN103345072B (en) | Mesopore optics of lens light Shaft fixed position module | |
| CN103424243A (en) | Target system for distortion test | |
| CN204479848U (en) | The assembling & adjusting system that many visual field sensors optical system is coaxial | |
| CN101013051A (en) | Laser coaxial regulating assistant and method thereof | |
| Hu et al. | New type of optical fiber positioning unit device for LAMOST | |
| CN202472092U (en) | Centering tooling | |
| CN203365812U (en) | Single lens optical axis positioning device | |
| CN104570376A (en) | Multiple visual field sensor optical system coaxial alignment system and alignment method | |
| CN203365774U (en) | Optical axis positioning system for middle hole lens | |
| CN201904093U (en) | Simulation target positioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |