CN102360110A - Total reflection prism device - Google Patents
Total reflection prism device Download PDFInfo
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- CN102360110A CN102360110A CN2011103010016A CN201110301001A CN102360110A CN 102360110 A CN102360110 A CN 102360110A CN 2011103010016 A CN2011103010016 A CN 2011103010016A CN 201110301001 A CN201110301001 A CN 201110301001A CN 102360110 A CN102360110 A CN 102360110A
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- Prior art keywords
- total reflection
- sleeve
- face fixed
- prism
- reflection prism
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Abstract
The invention relates to an optical reflector, and further relates to a total reflection prism device. The total reflection prism device comprises a bracket (1), a cylindrical sleeve (2) arranged on the support, a total reflection prism (3) positioned in the sleeve, and further comprises an end face fixed ring (4), a back face fixed cover (5), and an elastic cushion block (6), wherein the end face fixed ring (4) and the back face fixed cover (5) are respectively positioned at the two ends of the sleeve (2), and are connected with the threads on the inner wall of the sleeve through external threads; and the elastic cushion block (6) is positioned at the central part of the back face fixed cover; and the two sides of the elastic cushion block (6) are respectively connected with the prism and the back face fixed cover. By utilizing the total reflection prism device provided by the invention, the moving of the prism in the axis direction of the sleeve is realized through rotating the end face fixed ring and the back face fixed cover; and the differences between small prisms are ensured to be smaller than 0.1mm through calibration, and meanwhile, the cost is lowered to a large extent than that of the original process.
Description
Technical field
The present invention relates to a kind of optical reflector, further relate to a kind of total reflection prism device.
Background technology
According to the regulation of electro-optical distance instrument vertification regulation, the reflecting prism of stadimeter (containing total powerstation) institute adapted must regularly carry out the conforming calibrating of mutual deviation, and its consistance should be less than 1/4th of the stadimeter fixed error of correspondence.
Early stage electro-optical distance instrument (containing total powerstation), mostly its fixed error is 3～5mm, therefore the mutual deviation to reflecting prism requires to be about 0.5～1mm.Along with the progress of science and technology, modern project significantly promotes the requirement of precision.The accuracy requirement of the design and construction of engineering is very high, therefore measures control and must adapt to its requirement.In recent years; The high precision total station of multiple model releases one after another, and the reflecting prism of adapted, because its consistance of restriction of its structure and material does not improve; Its mutual deviation is generally all above more than the 0.5mm, and what screening control 0.3mm was following can only reach about 30 percent.And long-term open-air use of this part reflecting prism warp, its mutual deviation alters a great deal, and many meetings exceed the mutual deviation requirement of 0.3mm.Have only unconventional raising technological level, and then reduce the error of reflecting prism, but the technology cost is doubled and redoubled.Therefore, be badly in need of a kind of adjustable prism apparatus, can demarcate, also can demarcate again in use for some time, reduce the cost rising that the time processing technological requirement is brought according to the environment serviceability temperature.
Summary of the invention
The present invention be directed to non-adjustable in the horizontal direction this design defect of prism apparatus of the prior art, propose the adjustable total reflection prism device of a kind of horizontal direction.
A kind of total reflection prism device; Comprise: support 1, be positioned at the cylindrical sleeve 2 on the support, be positioned at the total reflection prism 3 of sleeve 2; Also comprise: lay respectively at the end face retainer plate 4 and back side fixed cap 5 at sleeve two ends, the two is threaded with sleeve lining through external thread; Elastic cushion block 6 is positioned at the center of back side fixed cap, and both sides connect prism and back side fixed cap respectively.
Preferred " U " shape support of support.
The present invention is with respect to the advantage of prior art: the present invention can pass through rotary end surface retainer plate and back side fixed cap; And then realize prism the moving of sleeve axis direction, through demarcating, the mutual deviation that guarantees little prism is all less than 0.1mm; Simultaneously, cost declines to a great extent than original technology.
Description of drawings:
Fig. 1 is the synoptic diagram of built-in total reflection prism, and among the figure, 31 represent the prism end face, and 32 represent the prism back side;
Fig. 2 is the diagrammatic cross-sections of apparatus of the present invention along center line, and among the figure, 2 represent cylindrical sleeve, and 3 represent total reflection prism, and 4 represent the end face retainer plate, 5 representative back side fixed caps, and 6 represent elastic cushion block;
Fig. 3 is " U " shape support synoptic diagram, and 1 representative " U " shape support is whole.
Embodiment
Embodiment 1:
Map 1-3 explains embodiment of the present invention.
A kind of total reflection prism device; Comprise: " U " shape support 1, be positioned at the cylindrical sleeve 2 on " U " shape support, be positioned at the total reflection prism 3 of sleeve 2; Also comprise: lay respectively at the end face retainer plate 4 and back side fixed cap 5 at sleeve two ends, the two is threaded with sleeve lining through external thread; Elastic cushion block 6 is positioned at the center of back side fixed cap, and both sides connect prism and back side fixed cap respectively.
The course of work is following:
High precision total station is placed in primary test board, and carries out the setting and the correction of parameters.Prism apparatus of the present invention is placed in secondary test board; High precision total station is measured two test board spacings, gets mean value 5～10 times, and is made as the primary standard value; Prism of the present invention is measured two test board spacings, gets mean value 5～10 times; Compare the difference between prism apparatus of the present invention and master prism.By the difference that primary test board is quoted, corresponding rotation face retainer plate 4 is adjusted with back side fixed cap 5.
Adjusted prism apparatus is tested by top step again, so repeatedly adjusted repeatedly up to prism apparatus and master prism measured value mutual deviation in ± 0.1mm.Change the standard reflection mirror, check primary standard value (this test is for eliminating the caused error of self time drift of total powerstation) once more, consistent like data, represent that above-mentioned adjustment result is effective.
Claims (2)
1. total reflection prism device; Comprise: support (1); Be positioned at the cylindrical sleeve (2) on the support, be positioned at the total reflection prism (3) of sleeve, it is characterized in that; Also comprise: lay respectively at the end face retainer plate (4) and the back side fixed cap (5) at sleeve (2) two ends, the two is threaded with sleeve lining through external thread; Elastic cushion block (6) is positioned at the center of back side fixed cap, and both sides connect prism and back side fixed cap respectively.
2. according to the said a kind of total reflection prism device of claim 1, it is characterized in that said support (1) is " U " shape support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103010016A CN102360110A (en) | 2011-10-09 | 2011-10-09 | Total reflection prism device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103010016A CN102360110A (en) | 2011-10-09 | 2011-10-09 | Total reflection prism device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102360110A true CN102360110A (en) | 2012-02-22 |
Family
ID=45585468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103010016A Pending CN102360110A (en) | 2011-10-09 | 2011-10-09 | Total reflection prism device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102360110A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676080A (en) * | 2013-12-18 | 2014-03-26 | 桂林理工大学 | Adjustable precision prism |
| CN111077632A (en) * | 2019-12-30 | 2020-04-28 | 中国人民解放军战略支援部队航天工程大学 | Optical transceiver, prism structure and prism fixing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133960Y (en) * | 2007-09-10 | 2008-10-15 | 唐发志 | Levelling range finder prism |
| CN101354237A (en) * | 2008-09-23 | 2009-01-28 | 成都普罗米新科技有限责任公司 | Ball type measuring prism |
| CN202256837U (en) * | 2011-10-09 | 2012-05-30 | 天津铁三院实业有限公司 | Fully reflecting prism device |
| CN202337931U (en) * | 2011-10-08 | 2012-07-18 | 江阴香江光电仪器有限公司 | High-precision tapered prism combination |
-
2011
- 2011-10-09 CN CN2011103010016A patent/CN102360110A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133960Y (en) * | 2007-09-10 | 2008-10-15 | 唐发志 | Levelling range finder prism |
| CN101354237A (en) * | 2008-09-23 | 2009-01-28 | 成都普罗米新科技有限责任公司 | Ball type measuring prism |
| CN202337931U (en) * | 2011-10-08 | 2012-07-18 | 江阴香江光电仪器有限公司 | High-precision tapered prism combination |
| CN202256837U (en) * | 2011-10-09 | 2012-05-30 | 天津铁三院实业有限公司 | Fully reflecting prism device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676080A (en) * | 2013-12-18 | 2014-03-26 | 桂林理工大学 | Adjustable precision prism |
| CN103676080B (en) * | 2013-12-18 | 2017-01-04 | 桂林理工大学 | A kind of adjustable precision prism |
| CN111077632A (en) * | 2019-12-30 | 2020-04-28 | 中国人民解放军战略支援部队航天工程大学 | Optical transceiver, prism structure and prism fixing method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120222 |