CN1067504A - Comprehensive checker for precise levelling instrument - Google Patents
Comprehensive checker for precise levelling instrument Download PDFInfo
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- CN1067504A CN1067504A CN 92102435 CN92102435A CN1067504A CN 1067504 A CN1067504 A CN 1067504A CN 92102435 CN92102435 CN 92102435 CN 92102435 A CN92102435 A CN 92102435A CN 1067504 A CN1067504 A CN 1067504A
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Abstract
Comprehensive checker for precise levelling instrument of the present invention is a kind of measurement standard of indoor calibrating measurement instrument.It requires main frame self-balancing alignment instrument, can provide an accurate horizontal line of high precision and a multiobject directrix, self is again a long-focus micrometer parallel light tube.The present invention has designed long-focus collimation directional light and has been subjected to optical system and can be from the automatic compensator and the straight line horizontal guide rail system of its horizontal accuracy of normal moveout correction, thereby constitute the self-balancing alignment instrument,, match with lifting table, little platform that inclines, in the indoor calibration operation of finishing the nearly all project of precision level.
Description
Comprehensive checker for precise levelling instrument of the present invention, affiliated technical field are a kind of measurement standard of indoor calibrating measurement instrument.
Since the promulgation in 1985 of national measurement Law, the leveling instrument that is used for fields such as geodetic surveying, precise engineering survey is included into the track of legal management, promptly will implement to force measurement verification to it, to guarantee value accurately and reliably.For a long time, the indoor measurement standard of calibrating spirit-leveling instrument is imperfection very, in addition because China still can not produce high-precision precision level (DS05, DSZ05 level) at present, so do not develop the indoor calibrating measurement standard that is used to examine and determine this class precision level so far as yet, promptly this measurement standard is still blank in China.For requirements of one's work, many units transform some indoor measurement standard often voluntarily and do the individual event calibrating, or replace with open-air calibrating way.Therefore, carrying out and implementing of China's measurement Law and carrying out of gage work have directly been influenced.
The shaping standard that does not also have the calibrating precision level at present abroad.The data that provides according to Leika group of surveying instrument production company the biggest in the world, German Zeiss factory and Japanese survey machine house etc. shows, also still not having a kind of improving and this desirable class standard abroad, all is to adopt homemade individual event instrumentation or field method comprehensively to examine and determine the precision of assessing precision level.
The present invention aims to provide a kind of measurement standard of indoor calibrating precision level, satisfies the blank that domestic measurement verification need of work is filled up this technical field of China.
The present invention requires to solve following technical matters:
(1) can provide an accurate horizontal line of high precision, the horizontal line uncertainty answers<0.2 ";
(2) can provide a multiobject directrix, the uncertainty of directrix in vertical guide answered<0.05mm;
(3) main frame self-balancing alignment instrument, self is again a long-focus micrometer parallel light tube, can be used for detecting the every compensating error of automatic compensated level.
(4) there is one can make by the system of test examination instrument free lifting and inclination.
The object of the present invention is achieved like this, promptly solves above four technical matterss.
(1) in order to provide an accurate horizontal line of high precision, the present invention has designed a long-focus collimation parallel light tube optical system 6, its f '=1000mm, also having designed a cover simultaneously can be from the automatic compensator 7 of its horizontal line precision of normal moveout correction, and the standard-self-balancing alignment instrument, that utilizes above two unit constructions to form can provide a high-precision accurate horizontal line.
(2) in order to provide a multiobject directrix, the present invention utilize automatic plane compensating glass 12 in light path beyond focusing principle obtain the directrix pipe of optical axis almost constant numerous target in vertical guide in the focusing process, i.e. self leveling directrix pipe.
(3) the present invention has utilized the long-focus collimation parallel light tube optical system of f '=1000mm, and in optical system, settled 50-100 to show the little frame of reference of micrometering and resolution can have been brought up to 0.1 "; estimate and read 0.02 ", be again a long-focus micrometer parallel light tube thereby make self-balancing alignment instrument, self.
(4) lifting table and little platform that inclines have been designed.
Illustrate below in conjunction with specific embodiment:
Fig. 1 is a structure principle chart of the present invention, and 1 is main frame-self-balancing alignment instrument,, and 2 is lifting table, and 3 are little platform that inclines, and 4 is pedestal, and 5 is granite platform.
The function of self-balancing alignment instrument, is to provide an accurate horizontal line of high precision and a multiobject directrix and self is again a long-focus micrometer parallel light tube.The self-balancing alignment instrument, is seated on the pedestal with three feets of bottom, fixes its position with self regulating latch mechanism.Lifting table and little platform that inclines vertically are connected each other and in aggregatesly also are seated on the pedestal, lifting table is made up of objective table, elevating mechanism, leaning device etc., little platform design of inclining has little mechanism that inclines, and regulates according to detecting needs, can make be seated on the objective table by test examination instrument free lifting and inclination.Three leveling pin screws are arranged under the pedestal, be seated on the granite platform.
As shown in Figure 1, in the self-balancing alignment instrument,, 6 is that optical system, 7 is that automatic compensator, 8 is guide track system.
1, self-balancing alignment instrument, optical system
This optical system is a long-focus parallel light tube, f '=1000mm.Fig. 2 is a self-balancing alignment instrument, optical system diagram, 9 (are wedge for the wedge shape compensating glass, be used to finely tune radiation direction), 10 is that (its f '=1000mm), 11 is graticule to the long-focal length lens group, 12 is automatic plane compensating glass (the automatic vertical surface level in plane), 13 is illuminator, and 14 is image rotation prism, and 15 is the image rotation object lens, 16 is the reading microcobjective, and 17 is the micrometer eyepiece group.
(1) illuminator 13 work, light direction of transfer successively is: → image rotation prism 14a → image rotation object lens 15a → graticule 11 → automatic plane compensating glass 12 → (returning) → graticule 11 → long-focal length lens group 10 → wedge compensating glass 9, what at this moment the self-balancing alignment instrument, promptly provided is an accurate horizontal line.
(2) in above-mentioned light path,, utilize exactly at light path China and foreign countries focusing principle and obtain a multiobject directrix when making automatic compensating glass when optical axis direction moves forward and backward.
(3) in above-mentioned light path, when increasing the reading microcobjective, the micrometer eyepiece group, when illuminator is not worked, the light of detected instrument direction of transfer successively is: → wedge compensating glass 9 → long-focal length lens group 10 → graticule 11 → automatic plane compensating glass 12 → (returning) graticule 11 → image rotation object lens 15a → image rotation prism 14a → illuminator 13 → image rotation prism 14b → image rotation prism 14c → image rotation object lens 15b → image rotation prism 14d → microcobjective 16 → image rotation prism 14e → micrometer eyepiece groups 17, so just making self-balancing alignment instrument, self is again a long-focus micrometer parallel light tube.
2, self-balancing alignment instrument, automatic compensator
This automatic compensator is that the self-balancing alignment instrument, is most crucial, the parts of most critical, and its effect is to guarantee that the automatic plane compensating glass is all the time with very high degree of precision vertical surface level.Fig. 3 is the automatic compensator structure principle chart, and 18 is picture frame, and 19 is the automatic plane compensating glass, and 20 is hang spring, and 21 is rotating hanger, and 22 is pendulum, and 23 is ball bearing, and 24 is supporting disk.The automatic plane compensating glass is a plane mirror and is contained in the picture frame that it is an integral body that picture frame is connected with pendulum, is suspended on the rotating hanger by hang spring, and hang spring is soft flexible strip, and two on every limit is the X type and installs in the plane vertical with paper.Because picture frame, automatic plane compensating glass, pendulum and hang spring are formed X type pendulum, institute is so that the automatic plane compensating glass is in the vertical state all the time.For self-correcting, rotating hanger is by ball bearing Rotate 180 ° in the surface level of supporting disk, to the deviation degree of light, calculate the compensation performance of school inspection compensator voluntarily by formula according to automatic plane compensating glass before and after the rotation again, thereby improve the reliability of instrument.In order to eliminate earth magnetism and other magnetic field to the pendulous compensator Effect on Performance, material is selected nonmagnetic substance as far as possible for use.In addition, the processing of whole each parts of automatic compensator and debuging requires high.
3, self-balancing alignment instrument, guide track system
Automatic compensator focusing is in service must not to be offset 1 in surface level in order to make " precision, designed accurate straight line horizontal guide rail system.As shown in Figure 4,25 is the glass guide-rail of 410mm, and usefulness optics job operation is very straight with its processing, and supporting disk 24 moves on guide rail.26 is driving-belt, and 27 is right wheel, and 28 is revolver, and 29 is transition wheel, and 30 is index dial.Driving-belt traction supporting disk, driving-belt is supported by revolver, right wheel, and the revolver rotation makes bracing frame, automatic compensator move along guide rail by driving-belt, and the revolver rotation drives index dial by transition wheel and rotates the indicating graduation value.
Fig. 5 is a pictorial diagram of the present invention.
The present invention can be in the indoor calibrating of finishing the nearly all project of precision level:
(1) owing to can provide ± 0.1 " the accurate horizontal line of high precision, so but calibration precision level i angle error, transposition error, focusing operating error, stadia multiplication constant, stadia hairs symmetry, telephotolens resolution etc.
(2) utilize the micrometer light pipe to mix pedestal and lifting table, little platform that inclines, can survey self-balancing instrument setting accuracy, compensating error, long bubble angle value error, meet precision and other multinomial error.
(3) can examine and determine transit focusing operating error, 2c and index error I etc.
(4) prop up the calibration work that parallel light pipe can carry out the transit all items if mix multiteeth indexing table with 1-2.
Claims (4)
1, a kind of comprehensive checker for precise levelling instrument.It is characterized in that check meter is made up of self-balancing alignment instrument, 1, lifting table 2, little platform 3 that inclines, pedestal 4, self-balancing alignment instrument, critical piece is optical system 6, automatic compensator 7, guide track system 8, the self-balancing alignment instrument, is seated on the pedestal with three feets under it, adjust the fixed position with its leveling latch mechanism, lifting table vertically is connected in aggregates with little platform that inclines each other, also be seated on the pedestal, the lifting table design has lifting and leaning device, and little platform that inclines has also designed little mechanism that inclines.
2, by the described check meter of claim 1, it is characterized in that optical system is made up of following parts, the light path order of connection is: mould shape compensating glass 9, long-focal length lens group 10, graticule 11, automatic plane compensating glass 12, image rotation object lens 15a, image rotation prism 14a, illuminator 13, image rotation prism 14b, image rotation prism 14c, image rotation object lens 15b, image rotation prism 14d, reading microcobjective 16, image rotation prism 14e, micrometer eyepiece group 17.
3, by the described check meter of claim 1, it is characterized in that automatic compensator is made up of picture frame 18, automatic plane compensating glass 19, hang spring 20, rotating hanger 21, pendulum 22, ball bearing 23, supporting disk 24, the automatic plane compensating glass is contained in the picture frame, it is an integral body that picture frame is connected with pendulum, be suspended on the suspension bracket by hang spring, hang spring is soft flexible strip, two on every limit, be X and install in the plane vertical with paper, rotating hanger is seated on the supporting disk by ball bearing.
4, by the described check meter of claim 1, it is characterized in that guide track system mainly is made up of glass guide-rail 25, driving-belt 26, right wheel 27, revolver 28, glass guide-rail is very straight, and supporting disk 24 is on guide rail, and by the driving-belt traction, driving-belt is supported by the right wheel of revolver.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92102435 CN1025972C (en) | 1992-04-03 | 1992-04-03 | Comprehensive checker for precise levelling instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 92102435 CN1025972C (en) | 1992-04-03 | 1992-04-03 | Comprehensive checker for precise levelling instrument |
Publications (2)
Publication Number | Publication Date |
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CN1067504A true CN1067504A (en) | 1992-12-30 |
CN1025972C CN1025972C (en) | 1994-09-21 |
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CN 92102435 Expired - Fee Related CN1025972C (en) | 1992-04-03 | 1992-04-03 | Comprehensive checker for precise levelling instrument |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100378436C (en) * | 2004-12-03 | 2008-04-02 | 中国地震局第二监测中心 | Digital level gauge and optical level gauge indoor detection device |
CN103398679A (en) * | 2013-08-08 | 2013-11-20 | 江西绿阳光学仪器制造有限公司 | Lens-fixing alignment instrument and using method thereof |
CN103994773A (en) * | 2013-02-19 | 2014-08-20 | 樊小鹏 | Horizontal alignment-line accompanied detector and horizontal alignment-line calibration apparatus |
CN104020788A (en) * | 2014-04-25 | 2014-09-03 | 中北大学 | Method for pinpointing target through multi-degree of freedom adjusting supporting device |
CN106643575A (en) * | 2016-11-08 | 2017-05-10 | 中国科学院近代物理研究所 | Reticule target device used for collimation and monitoring in vacuum and low-temperature environment |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100464162C (en) * | 2007-11-12 | 2009-02-25 | 中国科学院长春光学精密机械与物理研究所 | Leveling compensating mechanism in photoelectric measurement instrument |
-
1992
- 1992-04-03 CN CN 92102435 patent/CN1025972C/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100378436C (en) * | 2004-12-03 | 2008-04-02 | 中国地震局第二监测中心 | Digital level gauge and optical level gauge indoor detection device |
CN103994773A (en) * | 2013-02-19 | 2014-08-20 | 樊小鹏 | Horizontal alignment-line accompanied detector and horizontal alignment-line calibration apparatus |
CN103994773B (en) * | 2013-02-19 | 2017-10-13 | 闳诚科技有限公司 | A kind of horizontal guideline accompanies inspection device and horizontal guideline calibrating installation |
CN103398679A (en) * | 2013-08-08 | 2013-11-20 | 江西绿阳光学仪器制造有限公司 | Lens-fixing alignment instrument and using method thereof |
CN103398679B (en) * | 2013-08-08 | 2016-06-08 | 江西绿阳光学仪器制造有限公司 | A kind of horizontal glass alignment instrument, and using method thereof |
CN104020788A (en) * | 2014-04-25 | 2014-09-03 | 中北大学 | Method for pinpointing target through multi-degree of freedom adjusting supporting device |
CN104020788B (en) * | 2014-04-25 | 2017-02-08 | 中北大学 | Method for pinpointing target through multi-degree of freedom adjusting supporting device |
CN106643575A (en) * | 2016-11-08 | 2017-05-10 | 中国科学院近代物理研究所 | Reticule target device used for collimation and monitoring in vacuum and low-temperature environment |
CN106643575B (en) * | 2016-11-08 | 2018-07-06 | 中国科学院近代物理研究所 | Monitoring crosshair destination apparatus is collimated under a kind of vacuum and low temperature |
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CN1025972C (en) | 1994-09-21 |
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