CN104536115A - Quick installation method and structure for tracking mirror of laser tracker - Google Patents
Quick installation method and structure for tracking mirror of laser tracker Download PDFInfo
- Publication number
- CN104536115A CN104536115A CN201410809817.3A CN201410809817A CN104536115A CN 104536115 A CN104536115 A CN 104536115A CN 201410809817 A CN201410809817 A CN 201410809817A CN 104536115 A CN104536115 A CN 104536115A
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- transverse axis
- mirror
- tracking mirror
- axis
- catoptron
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
Abstract
The invention discloses a quick installation method and structure for a tracking mirror of a laser tracker. The quick installation method and structure are suitable for quick and accurate installation of the tracking mirror of the laser tracker. According to the installation method and device for the tracking mirror of the laser tracker, shaft system rotation axis measurement and tracking mirror normal measurement are included; the axis of a horizontal shaft is expressed by a plane mirror mounted at the shaft end of the horizontal shaft, an axis mirror normal is parallel to the axis through a mirror adjustment mechanism, a tracking mirror normal is parallel to the axis after light is refracted by a pentaprism, and the vertical relation between the horizontal axis and the tracking mirror normal can be monitored in real time through a photoelectric auto-collimator. According to the method, one-time quick installation is achieved by combining position error measurement and installation of the mirrors, the production assembly efficiency is effectively improved, instrument design is simplified, the instrument stability is improved, and significant engineering application value is obtained.
Description
Technical field
The invention belongs to optical instrument and manufacture field, be specifically related to a kind of method for rapidly mounting with high precision geometric relationship optical mirror.
Background technology
Laser tracker is large scale high precision Measuring instrument for geometrical quantity, tracker Angle Information is obtained by two shaft-position encoders of dimensional turntable, ranging information is obtained by laser ranging unit, by angle measurement and the three-dimensional coordinate measurement of ranging information in conjunction with implementation space target.The ultimate measurement accuracy of the angle measurement accuracy relation instrument of dimensional turntable, for this reason, needs strictly to control turntable Z-axis, the geometric relationship of transverse axis and laser beam axis in tracking table development process, ensures that three axles are mutually vertical, and meets at a bit.
For catoptron tracking table, require mirror normal with Horizontal-shaft vertical and reflecting surface overlaps with horizontal axis, in traditional catoptron turntable development process, design reflectivity mirror is repaiied and is cut pad, first measure assembling geometric relationship error in assembling process after, cut pad and repair to repairing and cut again, so repeat to install, measure, repair and cut link, finally reach installation requirement.The method design is complicated, and stabilization of equipment performance is poor, and production efficiency is low, is unfavorable for batch production and processing.For this reason, need to invent a kind of tracking mirror installation method, optimize Instrument Design, reduce requirement on machining accuracy, improve stability of instrument, simplify apparatus installation flow process, improve the efficiency of assembling of instrument, become an urgent demand of instrument industrialization.
Summary of the invention
For solving the technical matters of the existence in background technology, the invention provides a kind of tracking mirror installation method.
Technical solution of the present invention is as follows:
A method for rapidly mounting for the tracking mirror of laser tracker, its special character is: comprise the following steps:
1] axle system rotation measurement of angle
Install transverse axis, install catoptron in one end of transverse axis, measured the angle of transverse axis and catoptron by photoelectric auto-collimator, regulate and make transverse axis vertical with catoptron, the normal direction of catoptron represents the axis direction of transverse axis;
2] elevation carrection of transverse axis and tracking mirror
Tracking mirror reflecting surface is placed on down on the tracking mirror supporting seat of built-in pentaprism, measures the height of the reflecting surface of tracking mirror,
Transverse axis is contained in above tracking mirror, regulates and make the axis centre height of transverse axis consistent with the reflecting surface centre-height of tracking mirror;
3] tracking mirror normal angle regulates
Photoelectric auto-collimator is adopted to aim at tracking mirror normal by pentaprism, tracking mirror normal is by realizing after pentaprism refractive power vertically turning back and transverse axis axis being parallel, by the vertical relation of photoelectric auto-collimator real time monitoring horizontal axis and tracking mirror normal, regulate and make horizontal axis vertical with tracking mirror normal;
4] bond
After the height of transverse axis and tracking mirror and angle meet the demands, bonding way is utilized to realize catoptron and transverse axis rapid link is installed.
Above-mentioned steps 1] catoptron be installed on one end of transverse axis by reflective mirror regulating mechanism, realize catoptron normal by accommodation reflex mirror adjustment mechanism and regulate.
Above-mentioned reflective mirror regulating mechanism comprises parallel the first regulating ring, the second regulating ring that arrange, and the first regulating ring is fixedly connected with transverse axis by the first screw, and the second regulating ring is fixedly connected with catoptron and is connected with the first regulating ring by the second screw,
Also comprise rubber blanket, described rubber blanket is between the first regulating ring, the second regulating ring and be enclosed within the second screw, by regulating the second screw to regulate the thickness of rubber blanket, thus realizes catoptron normal and regulates.
Above-mentioned steps 1] be specially:
Be arranged on by transverse axis on transverse axis bearing, transverse axis can rotate freely around axis, and axis catoptron is arranged on transverse axis axle head together with reflective mirror regulating mechanism; Photoelectric auto-collimator is placed in catoptron normal direction, regulates photoelectric auto-collimator direction to obtain autocollimatic picture;
Rotate transverse axis, monitor the motion of photoelectric auto-collimator autocollimatic picture, accommodation reflex mirror adjustment mechanism makes transverse axis rotate about the axis in process, and photoelectric auto-collimator autocollimatic picture is fixed or reached in alignment error allowed band, thinks that catoptron normal represents axis.
Above-mentioned steps 2] be specially:
Adopt the height of the altitude measuring amount tracking mirror support seat left and right sides, mirror surface centre-height is represented after being averaged, by transverse axis, and transverse axis bearing is installed, side on the mirror, regulate transverse axis bearing, the height of left and right back-up block makes the height of the horizontal axis left and right strong point all consistent with mirror surface centre-height.
Above-mentioned steps 3] be specially:
Adopt photoelectric auto-collimator to aim at tracking mirror normal by pentaprism, rotate the autocollimatic picture that horizontal shaft stool obtains axis catoptron simultaneously, the discrepancy in elevation of two autocollimatic pictures is the non-perpendicularity of catoptron normal and horizontal axis; Monitor the autocollimatic picture of photoelectric auto-collimator, the height of the fine setting transverse axis bearing left and right strong point, make two autocollimatic pictures overlap or be less than error of perpendicularity requirement, and horizontal axis centre-height be consistent with mirror center height or be less than distance error requirement, think that catoptron regulates and put in place.
A kind of quick attach structure of tracking mirror of laser tracker, its special character is: comprise the glue filling opening 11 leading to tracking mirror arranged along transverse axis radial direction, be arranged on the axis catoptron 8 of transverse axis 1 axle head, be arranged on the photoelectric auto-collimator 9 of axis catoptron 8 normal direction, be supported on the bearing height adjustable horizontal shaft stool 6 below transverse axis, be supported on the tracking mirror seat 4 below tracking mirror, to be arranged in tracking mirror seat and to be positioned at the pentagonal prism 5 of 90 ° that light is turned back in autocollimator light path, the reflecting surface of described tracking mirror seat 4 is towards pentagonal prism, the relevant position of described tracking mirror seat 4 and transverse axis bearing 6 offers the light hole 12 passed through for light beam.
Above-mentioned mounting structure also comprises reflective mirror regulating mechanism 7, and described catoptron is installed on transverse axis axle head by reflective mirror regulating mechanism.
Above-mentioned reflective mirror regulating mechanism comprises parallel the first regulating ring 71, second regulating ring 72 arranged, first regulating ring 71 is fixedly connected with transverse axis 1 by the first screw 73, second regulating ring 72 is fixedly connected with catoptron and is connected with the first regulating ring 71 by the second screw 74
Also comprise rubber blanket 75, described rubber blanket 75 is between the first regulating ring 71 and the second regulating ring 72 and be enclosed within the second screw 74, by regulating the second screw 74 to regulate the thickness of rubber blanket, thus realizes catoptron normal and regulates.
The quantity of above-mentioned second screw and rubber blanket is 3 and along the first regulating ring circumference uniform distribution.
Advantage of the present invention:
The present invention can the distance error of detection of reflected mirror and axis and angular error in real time in whole installation adjustment process, and the adjustment for auxiliary conditioning unit provides real-time Error Feedback amount, avoids installation repeatedly and error measure, effectively improves installation effectiveness; After servicing unit regulates and puts in place, adopt adhering method to realize disposable installation, save catoptron and repair cutting mechanism, effectively prevent repeatedly the repeatable accuracy problem of mounting strap, reduce the machining precision of part, improve the reliability and stability of equipment work.
Accompanying drawing explanation
Accompanying drawing is that catoptron rapid link provided by the present invention is installed and proving installation schematic diagram.
Wherein: 1-transverse axis; 2-tracking mirror; 3-bonding agent; 4-tracking mirror bearing; 5-pentaprism; 6-transverse axis bearing; 7-reflective mirror regulating mechanism; 71-first regulating ring; 72-second regulating ring; 73-first screw; 74-second screw; 75-rubber blanket; 8-axis catoptron; 9-photoelectric auto-collimator; 10-altitude gauge; 11-glue filling opening; 12-light hole.
Embodiment
The invention provides a kind of laser tracker tracking mirror rapid link installation method and device, in installation process, measure installation in real time, regulate after putting in place and adopt technique for sticking to realize disposable Fast Installation.
Laser tracker tracking mirror installation method and device comprise axle system rotation and measure and tracking mirror normal measure; Transverse axis axis is represented by the plane mirror being arranged on transverse axis axle head, reflective mirror regulating mechanism realizes axis catoptron normal and axis being parallel, tracking mirror normal by after pentaprism refractive power with axis being parallel, can the vertical relation of real time monitoring horizontal axis and tracking mirror normal by photoelectric auto-collimator; Make horizontal axis vertical with tracking mirror normal by the height of the left and right bearing regulating transverse axis; The height of axis is measured by altitude gauge, measures the height of transverse axis left and right supporting surface respectively, respectively deducts the height that the radius supporting circumference is the left and right strong point, is averaged rear acquisition axis centre height; The height of catoptron, by measuring the height at two ends, mirror support seat left and right, is averaged rear acquisition mirror surface centre-height, regulates the height of transverse axis left and right supporting surface to make axis centre height consistent with mirror center height in installation process.
When the distance error of catoptron and axis and angular error all being met the demands by regulating the height of transverse axis left and right supporting surface, bonding agent is injected into catoptron rear surface by the hole for injecting glue of transverse axis, the installation to catoptron is completed after solidification, and can the final alignment error of detection of reflected mirror.
See accompanying drawing, this invention provides a kind of laser tracker tracking mirror method for rapidly mounting and corresponding erecting device, this device mainly comprises the mirror support seat installing pentaprism, there is the axis catoptron 8 pointing to governor motion 7, there is the transverse axis bearing 6 of left and right strong point height regulating function, by the angular relationship of photoelectric auto-collimator 9 Real-Time Monitoring tracking mirror 2 with transverse axis 1, the distance relation of tracking mirror 2 and transverse axis 1 is measured by altimeter 10, after the angle of tracking mirror 2 and transverse axis 1 and distance relation all meet the demands, bonding agent 3 is injected in the hole of transverse axis 1 and realizes the bonding installation of tracking mirror 2 on transverse axis 1.
Reflective mirror regulating mechanism comprises parallel the first regulating ring 71, second regulating ring 72 arranged, first regulating ring 71 is fixedly connected with transverse axis 1 by the first screw 73, and the second regulating ring 72 is fixedly connected with catoptron and is connected with the first regulating ring 71 by the second screw 74; Reflective mirror regulating mechanism also comprises rubber blanket 75, rubber blanket 75 is between the first regulating ring 71 and the second regulating ring 72 and be enclosed within the second screw 74, the quantity of the second screw and rubber blanket is 3 and along the first regulating ring circumference uniform distribution, by regulating the second screw 74 to regulate the thickness of rubber blanket, thus realize the adjustment of catoptron normal.
Concrete adjustment installation steps are as follows:
Tracking mirror quick adjustment installation steps are as follows:
1] by transverse axis) be arranged on transverse axis bearing, and can rotate freely around axis, axis catoptron 8 is arranged on transverse axis 1 axle head together with axis reflective mirror regulating mechanism 7; Photoelectric auto-collimator 9 is placed in axis catoptron 8 normal direction, regulates photoelectric auto-collimator 9 direction to obtain autocollimatic picture;
2] transverse axis 1 is rotated, monitor the motion of photoelectric auto-collimator 9 autocollimatic picture, set screw on adjustment axis reflective mirror regulating mechanism 7, transverse axis 1 is made to rotate about the axis in process, photoelectric auto-collimator 9 autocollimatic picture is fixed or reaches in alignment error allowed band, thinks that catoptron normal represents axis;
3] tracking mirror 2 reflecting surface is placed on down on the tracking mirror supporting seat 4 of built-in pentaprism 5, tracking mirror seat 4 is fixed on mounting platform, adopt altitude gauge 10 to measure the height of mirror unit 4 left and right sides, after being averaged, represent mirror surface centre-height;
4] by transverse axis 1 and transverse axis bearing installation 6 side on the mirror thereof, the height of transverse axis bearing about 6 back-up block is regulated to make the height of the horizontal axis left and right strong point all consistent with mirror surface centre-height;
5] adopt photoelectric auto-collimator 9 to aim at tracking mirror 2 normal by pentaprism 5, rotate the autocollimatic picture that horizontal shaft stool 6 obtains axis catoptron 8 simultaneously, the discrepancy in elevation of two autocollimatic pictures is the non-perpendicularity of catoptron normal and horizontal axis; Monitor the autocollimatic picture of photoelectric auto-collimator 10, the height of fine setting transverse axis bearing about 6 back-up block, make two autocollimatic pictures overlap or be less than error of perpendicularity requirement, and horizontal axis centre-height be consistent with mirror center height or be less than distance error requirement, think that catoptron regulates and put in place.
Long-time supervision autocollimatic picture and horizontal axis centre-height, inject bonding agent 3 from transverse axis 1 hole for injecting glue after stable, the final geometry site measuring tracking mirror 2 and horizontal axis after solidification, and carry out the follow-up assemble flow of laser tracker.
Claims (10)
1. a method for rapidly mounting for the tracking mirror of laser tracker, is characterized in that: comprise the following steps:
1] axle system rotation measurement of angle
Install transverse axis, install catoptron in one end of transverse axis, measured the angle of transverse axis and catoptron by photoelectric auto-collimator, regulate and make transverse axis vertical with catoptron, the normal direction of catoptron represents the axis direction of transverse axis;
2] elevation carrection of transverse axis and tracking mirror
Tracking mirror reflecting surface is placed on down on the tracking mirror supporting seat of built-in pentaprism, measures the height of the reflecting surface of tracking mirror,
Transverse axis is contained in above tracking mirror, regulates and make the axis centre height of transverse axis consistent with the reflecting surface centre-height of tracking mirror;
3] tracking mirror normal angle regulates
Photoelectric auto-collimator is adopted to aim at tracking mirror normal by pentaprism, tracking mirror normal is by realizing after pentaprism refractive power vertically turning back and transverse axis axis being parallel, by the vertical relation of photoelectric auto-collimator real time monitoring horizontal axis and tracking mirror normal, regulate and make horizontal axis vertical with tracking mirror normal;
4] bond
After the height of transverse axis and tracking mirror and angle meet the demands, bonding way is utilized to realize catoptron and transverse axis rapid link is installed.
2. the laser tracker tracking mirror method for rapidly mounting according to claims 1, is characterized in that:
Step 1] catoptron be installed on one end of transverse axis by reflective mirror regulating mechanism, realize catoptron normal by accommodation reflex mirror adjustment mechanism and regulate.
3. the laser tracker tracking mirror method for rapidly mounting according to claims 2, is characterized in that:
Described reflective mirror regulating mechanism comprises parallel the first regulating ring, the second regulating ring that arrange, and the first regulating ring is fixedly connected with transverse axis by the first screw, and the second regulating ring is fixedly connected with catoptron and is connected with the first regulating ring by the second screw,
Also comprise rubber blanket, described rubber blanket is between the first regulating ring, the second regulating ring and be enclosed within the second screw, by regulating the second screw to regulate the thickness of rubber blanket, thus realizes catoptron normal and regulates.
4. the laser tracker tracking mirror method for rapidly mounting according to claims 2, is characterized in that:
Described step 1] be specially:
Be arranged on by transverse axis on transverse axis bearing, transverse axis can rotate freely around axis, and axis catoptron is arranged on transverse axis axle head together with reflective mirror regulating mechanism; Photoelectric auto-collimator is placed in catoptron normal direction, regulates photoelectric auto-collimator direction to obtain autocollimatic picture;
Rotate transverse axis, monitor the motion of photoelectric auto-collimator autocollimatic picture, accommodation reflex mirror adjustment mechanism makes transverse axis rotate about the axis in process, and photoelectric auto-collimator autocollimatic picture is fixed or reached in alignment error allowed band, thinks that catoptron normal represents axis.
5. the laser tracker tracking mirror method for rapidly mounting according to claims 1, is characterized in that:
Described step 2] be specially:
Adopt the height of the altitude measuring amount tracking mirror support seat left and right sides, mirror surface centre-height is represented after being averaged, by transverse axis, and transverse axis bearing is installed, side on the mirror, regulate transverse axis bearing, the height of left and right back-up block makes the height of the horizontal axis left and right strong point all consistent with mirror surface centre-height.
6. the laser tracker tracking mirror method for rapidly mounting according to claims 1, its feature exists:
Described step 3] be specially:
Adopt photoelectric auto-collimator to aim at tracking mirror normal by pentaprism, rotate the autocollimatic picture that horizontal shaft stool obtains axis catoptron simultaneously, the discrepancy in elevation of two autocollimatic pictures is the non-perpendicularity of catoptron normal and horizontal axis; Monitor the autocollimatic picture of photoelectric auto-collimator, the height of the fine setting transverse axis bearing left and right strong point, make two autocollimatic pictures overlap or be less than error of perpendicularity requirement, and horizontal axis centre-height be consistent with mirror center height or be less than distance error requirement, think that catoptron regulates and put in place.
7. the quick attach structure of the tracking mirror of a laser tracker, it is characterized in that: comprise the glue filling opening (11) leading to tracking mirror arranged along transverse axis radial direction, be arranged on the axis catoptron (8) of transverse axis (1) axle head, be arranged on the photoelectric auto-collimator (9) of axis catoptron (8) normal direction, be supported on the bearing height adjustable horizontal shaft stool (6) below transverse axis, be supported on the tracking mirror seat (4) below tracking mirror, to be arranged in tracking mirror seat and to be positioned at the pentagonal prism (5) of 90 ° that light is turned back in autocollimator light path, the reflecting surface of described tracking mirror seat (4) is towards pentagonal prism, the relevant position of described tracking mirror seat (4) and transverse axis bearing (6) offers the light hole (12) passed through for light beam.
8. the quick attach structure of the laser tracker tracking mirror according to claims 7, is characterized in that:
Also comprise reflective mirror regulating mechanism (7), described catoptron is installed on transverse axis axle head by reflective mirror regulating mechanism.
9. the quick attach structure of the laser tracker tracking mirror according to claims 8, is characterized in that:
Described reflective mirror regulating mechanism comprises parallel the first regulating ring (71), the second regulating ring (72) that arrange, first regulating ring (71) is fixedly connected with transverse axis (1) by the first screw (73), second regulating ring (72) is fixedly connected with catoptron and is connected with the first regulating ring (71) by the second screw (74)
Also comprise rubber blanket (75), described rubber blanket (75) to be positioned between the first regulating ring (71) and the second regulating ring (72) and to be enclosed within the second screw (74), by regulating the second screw (74) to regulate the thickness of rubber blanket, thus realize the adjustment of catoptron normal.
10. the quick attach structure of the laser tracker tracking mirror according to claims 9, is characterized in that:
The quantity of described second screw and rubber blanket is 3 and along the first regulating ring circumference uniform distribution.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410809817.3A CN104536115B (en) | 2014-12-20 | 2014-12-20 | Quick installation method and structure for tracking mirror of laser tracker |
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| CN201410809817.3A CN104536115B (en) | 2014-12-20 | 2014-12-20 | Quick installation method and structure for tracking mirror of laser tracker |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107462227A (en) * | 2017-07-17 | 2017-12-12 | 北京航天控制仪器研究所 | A kind of leveling and horizontal error test equipment |
| CN110319820A (en) * | 2019-06-19 | 2019-10-11 | 中国科学院西安光学精密机械研究所 | A kind of level reference apparatus and its leveling method using low-melting alloy |
| CN110716274A (en) * | 2019-10-09 | 2020-01-21 | 中国航空工业集团公司洛阳电光设备研究所 | Low-stress conductive sealing assembly and adjustment device and method for aviation optical window |
| CN111896965A (en) * | 2020-06-09 | 2020-11-06 | 深圳职业技术学院 | Laser ranging calibration method and laser range finder capable of automatically calibrating |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462227A (en) * | 2017-07-17 | 2017-12-12 | 北京航天控制仪器研究所 | A kind of leveling and horizontal error test equipment |
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| CN110319820A (en) * | 2019-06-19 | 2019-10-11 | 中国科学院西安光学精密机械研究所 | A kind of level reference apparatus and its leveling method using low-melting alloy |
| CN110716274A (en) * | 2019-10-09 | 2020-01-21 | 中国航空工业集团公司洛阳电光设备研究所 | Low-stress conductive sealing assembly and adjustment device and method for aviation optical window |
| CN111896965A (en) * | 2020-06-09 | 2020-11-06 | 深圳职业技术学院 | Laser ranging calibration method and laser range finder capable of automatically calibrating |
| CN111896965B (en) * | 2020-06-09 | 2023-05-09 | 深圳职业技术学院 | Laser ranging calibration method and laser range finder capable of being calibrated automatically |
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| CN104536115B (en) | 2017-02-22 |
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