CN103399394A - Novel reflex light pipe capable of accurately levelling - Google Patents
Novel reflex light pipe capable of accurately levelling Download PDFInfo
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- CN103399394A CN103399394A CN2013103726561A CN201310372656A CN103399394A CN 103399394 A CN103399394 A CN 103399394A CN 2013103726561 A CN2013103726561 A CN 2013103726561A CN 201310372656 A CN201310372656 A CN 201310372656A CN 103399394 A CN103399394 A CN 103399394A
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Abstract
The invention discloses a novel reflex light pipe capable of accurately levelling, which belongs to the technical field of auto-collimating photoelectric aiming and aims to solve the problems that existing reflex light pipes are low in leveling precision and big in installation error. The novel reflex light pipe capable of accurately levelling comprises an outer light pipe, a cubic prism, an inner light pipe, a grinding pad, a connecting sleeve and a reflecting mirror, wherein the upper end of the inner light pipe is connected with the outer light pipe; the reflecting mirror is arranged below the inner light pipe; the cubic prism is fixed above the inner light pipe through the grinding pad; the outer light pipe is fixedly connected with a base through the connecting sleeve; an upper light transmitting hole, a lower light transmitting hole, a first levelling light transmitting hole and a second levelling light transmitting hole are arranged on the outer light pipe and respectively provided with protective glass; a thermal insulation material is filled between the inner light pipe and the outer light pipe; a levelling screw is arranged on the connecting sleeve; and the connecting sleeve and the base are fixed through bolts. The reflex light pipe is suitable for manufacturing reflex light pipes of various sizes, capable of accurately levelling, simple and convenient for operation and has higher use value.
Description
Technical field
The present invention relates to a kind of novel reflex light-tube of accurately leveling, have a second level leveling precision, reduced the orientation transmission error, belong to autocollimation photoelectronic collimating technical field.
Background technology
In the photoelectronic collimating field, reflex light-tube is used for realizing guarantor's precision transmission of orientation angles information.Usually, reflex light-tube is completed the horizontal or vertical of collimated ray by two plane mirrors and is turned back.Two catoptrons spatially are parallel to each other, and with the light pipe axis angle be 45 °.Like this, collimated ray enters through an end light hole,, through reflection, by another light hole, is penetrated, and light is just turned back on elevation, and azimuth direction does not change.Strict parallel and during with light pipe axis angle at 45 ° when two catoptron normals, even being installed, deviation can not produce the orientation transmission error yet; When there is parallelism error in two catoptrons, alignment error will be coupled with the catoptron parallelism error, produce the orientation transmission error.Therefore, need leveling when using reflex light-tube, make the light pipe axis be parallel to vertical.
In prior art, to the leveling of reflex light-tube, be with level or electrolevel as for the light pipe upper end, carry out leveling by the levelling bolt of regulating on the light pipe adapter sleeve, the method leveling precision is limited and have a limitation.Because there is error in machining, the light pipe end face is not strict vertical with axis, and the leveling of end face can not show that the light pipe axis reaches the vertical state, and there is deformation in light pipe physical construction when leveling is installed.
Summary of the invention
The present invention is low for the leveling precision that solves reflex light-tube in prior art, and the problem that alignment error is large proposes a kind of novel reflex light-tube of accurately leveling.
Technical scheme of the present invention is:
the accurate novel reflex light-tube of leveling, comprise outer light pipe, block prism, interior light pipe, the reconditioning pad, adapter sleeve and catoptron, interior light pipe is connected with outer light pipe in upper end, catoptron is installed in interior light pipe below, top is by the fixing block prism of reconditioning pad, outer light pipe is fixedly connected with base by adapter sleeve, has upper light hole on outer light pipe, lower light hole, the first leveling light hole and the second leveling light hole, upper light hole is corresponding with the inclined-plane of block prism, lower light hole is corresponding with the reflecting surface of catoptron, the first leveling light hole and the second leveling light hole are corresponding with two sides of block prism respectively.
The upper light hole of outer light pipe, lower light hole, the first leveling light hole, the second leveling light hole are all installed cover glass.
Block prism need to be to 45 ° of inclined-plane E, side F, side G plating total reflection film, and transmission plane C, D plate anti-reflection film.
Filling with insulation material between interior light pipe and outer light pipe.
Have levelling bolt on adapter sleeve, and adapter sleeve and base are bolted.
The invention has the beneficial effects as follows: at first, deformation in order to prevent from installing causes the two reflecting surface depth of parallelisms to change, reflex light-tube structurally adopts the mode of inside and outside light pipe combination, catoptron and block prism are fixed in interior light pipe, and interior light pipe is connected with outer light pipe in upper end, and lower end naturally droops, outer light pipe is connected with base by adapter sleeve, such structure, though outer light pipe because external force produces deformation, it is stable that interior light pipe also can keep; Secondly, use the mode of two plane mirrors with respect to common reflex light-tube, the present invention uses plane mirror at lower light hole, and complete the function of the light of turning back with block prism at upper light hole, 45 ° of reflectings surface of this block prism are used for light turns back, and its rear and side vertically surface are used for the leveling of internal light pipe.When leveling, use two high precision autocollimation theodolites, the angle of pitch is transferred to 0 ° of position, autocollimatic is carried out on two vertical surfaces that are coated with reflectance coating, observe the position deviation of autocollimatic picture and visual graticule center of reticule, regulate simultaneously three levelling bolts of adapter sleeve, make light path reach the vertical state, when autocollimation theodolite return to image position in visual graticule center of reticule the time, leveling is completed, this leveling precision can reach second level; This reflex light-tube is applicable to make the reflex light-tube of various sizes, accurately leveling.All applicable to the reflex light-tube vertical, that level is used, can effectively reduce machining, debug the error impact that transmission brings on orientation, easy and simple to handle, have higher use value.
Description of drawings
Fig. 1: reflex light-tube structural representation of the present invention.
Fig. 2: block prism schematic diagram of the present invention.
Fig. 3: reflex light-tube of the present invention uses the state schematic side view.
Fig. 4: reflex light-tube leveling state schematic top plan view of the present invention.
Embodiment
As shown in Figure 1, reflex light-tube involved in the present invention mainly is comprised of outer light pipe 1, block prism 2, interior light pipe 4, adapter sleeve 6, catoptron 9 five parts.Outer light pipe 1 is fixed by screw with the upper end of interior light pipe 4, and interior light pipe 4 lower ends naturally droop, and make the outer light pipe 1 internal light pipe 4 in lower end there is no acting force, have good mechanical characteristic.Fill with heat-barrier material 12 between interior light pipe 4 and outer light pipe 1, make interior light pipe 4 have thermal stability preferably.Outer light pipe 1 is inboard for being threaded with adapter sleeve 6, and reflex light-tube connects firmly with base 8 by this adapter sleeve 6, by regulating three levelling bolts 11 on adapter sleeve 6, carries out the leveling of whole light pipe.
As shown in Figure 2, the main optical element of reflex light-tube is plane mirror 9 and block prism 2.In the processing of block prism 2, need to be to 45 ° of inclined-plane E, side F, side G plating total reflection film, and transmission plane C, the D of collimated light plating anti-reflection film, coating film treatment is not done on all the other A, B surfaces that do not participate in aiming at leveling, by optical technology, guarantees that cube each right angle, 45 ° of angles and flatness error are all 1 " in scope.When this two optical elements are installed, catoptron 9 is fixed on surface, 45 ° of 4 lower ends of interior light pipe.Reconditioning pad 5 by internal light pipe 4 upper ends grinds, and makes block prism 2 reflecting surface E and catoptron 9 depth of parallelisms reach a second class precision, and " autocollimator carries out Parallel testing need to use 0.2 while debuging.In addition, for the dustproof and main optical element of protection, the upper light hole 3 of reflex light-tube, lower light hole 10, the first leveling light hole 13 and the second leveling light hole 14 have all been installed the cover glass that is coated with anti-reflection film.
As shown in Figure 3, when aiming operation, reflex light-tube uses autocollimator M by upper light hole 3 and lower light hole 10 run-home prism R, completes the transmission of orientation angles.If this moment, reflex light-tube was in heeling condition, will exert an influence to the orientation transmitting accuracy, therefore need in advance reflex light-tube to be carried out leveling, guarantee that reflex light-tube is in vertical, stable state when aiming operation.
As shown in Figure 4, in the leveling operation, at first reflex light-tube is positioned on base 8, uses level to be positioned over outer light pipe 1 upper surface, by regulating three screws on adapter sleeve 6, complete coarse balance.Then, setting up two angle measurement accuracys is 0.5 " the LeciaTDM5100A transit, the angle of pitch is adjusted to 0 °.Wherein the L1 transit carries out autocollimatic over against the G surface of 13 pairs of block prisms of the first leveling light hole, and the L2 transit carries out autocollimatic over against the F surface of 14 pairs of block prisms of the second leveling light hole.When whole light pipe was not in the vertical state, two transit autocollimatic pictures did not overlap with visual graticule crosshair, and three levelling bolts 11 that need to regulate on adapter sleeve 6 change the reflex light-tube inclined degree gradually, make the light pipe axis reach the vertical state.Need to observe the position of autocollimatic picture in visual graticule when regulating, until the autocollimatic picture overlaps with visual graticule center of reticule.After leveling is completed, should successively evenly tighten the erection bolt 7 on adapter sleeve 6, and whether observation theodolite autocollimatic image position change, so repeatedly regulate.As stated above, can reach a second level leveling precision.
Claims (5)
1. the accurate novel reflex light-tube of leveling, comprise outer light pipe (1), block prism (2), interior light pipe (4), reconditioning pad (5), adapter sleeve (6), base (8) and catoptron (9), it is characterized in that, interior light pipe (4) is connected with outer light pipe (1) in upper end, catoptron (9), top are installed by the fixing block prism (2) of reconditioning pad (5) in interior light pipe (4) below, and outer light pipe (1) is fixedly connected with base (8) by adapter sleeve (6); Have upper light hole (3), lower light hole (10), the first leveling light hole (13) and the second leveling light hole (14) on outer light pipe (1), upper light hole (3) is corresponding with the inclined-plane of block prism (2), lower light hole (10) is corresponding with the reflecting surface of catoptron (9), and the first leveling light hole (13) and the second leveling light hole (14) are corresponding with two sides of block prism (2) respectively.
2. the novel reflex light-tube of accurately leveling according to claim 1, the upper light hole (3) of outer light pipe (1), lower light hole (10), the first leveling light hole (13), the second leveling light hole (14) are all installed cover glass.
3. the novel reflex light-tube of accurately leveling according to claim 1, block prism (2) need to be to 45 ° of inclined-plane E, side F, side G plating total reflection film, and transmission plane C, D plate anti-reflection film.
4. the novel reflex light-tube of accurately leveling according to claim 1, filling with insulation material (12) between interior light pipe (4) and outer light pipe (1).
5. the novel reflex light-tube of accurately leveling according to claim 1, have levelling bolt (11) on adapter sleeve (6), and adapter sleeve (6) is fixing by bolt (7) with base (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310372656.1A CN103399394B (en) | 2013-08-23 | 2013-08-23 | Can the novel reflex light-tube of accurate leveling |
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| CN201310372656.1A CN103399394B (en) | 2013-08-23 | 2013-08-23 | Can the novel reflex light-tube of accurate leveling |
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| CN103399394A true CN103399394A (en) | 2013-11-20 |
| CN103399394B CN103399394B (en) | 2016-01-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748426A (en) * | 2017-10-26 | 2018-03-02 | 中国科学院光电研究院 | A kind of prism angle debugging device and Method of Adjustment |
| CN108332740A (en) * | 2018-01-30 | 2018-07-27 | 北京空间机电研究所 | A kind of no thermalization high-precision optical is turned back prism system and design method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726845A (en) * | 2009-12-25 | 2010-06-09 | 武汉大学 | Multi-mode observing periscope |
| CN202092631U (en) * | 2011-05-31 | 2011-12-28 | 北京航天发射技术研究所 | Aiming system |
| CN103197400A (en) * | 2013-02-06 | 2013-07-10 | 中国科学院西安光学精密机械研究所 | Right-angle reflecting prism ridge high-precision leveling device and leveling method thereof |
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2013
- 2013-08-23 CN CN201310372656.1A patent/CN103399394B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726845A (en) * | 2009-12-25 | 2010-06-09 | 武汉大学 | Multi-mode observing periscope |
| CN202092631U (en) * | 2011-05-31 | 2011-12-28 | 北京航天发射技术研究所 | Aiming system |
| CN103197400A (en) * | 2013-02-06 | 2013-07-10 | 中国科学院西安光学精密机械研究所 | Right-angle reflecting prism ridge high-precision leveling device and leveling method thereof |
Non-Patent Citations (3)
| Title |
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| ZHANG YAOYU等: "A new test method of optical-axis parallelism for three-meter reflex light-tube", 《激光与光电子学进展》, vol. 49, 10 June 2012 (2012-06-10) * |
| 李永刚: "折转光管误差检测方法的研究", 《宇航计测技术》, vol. 32, no. 4, 31 August 2012 (2012-08-31) * |
| 王旻等: "折转光管在光电瞄准系统中的应用", 《中国光学》, vol. 5, no. 6, 31 December 2012 (2012-12-31) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748426A (en) * | 2017-10-26 | 2018-03-02 | 中国科学院光电研究院 | A kind of prism angle debugging device and Method of Adjustment |
| CN108332740A (en) * | 2018-01-30 | 2018-07-27 | 北京空间机电研究所 | A kind of no thermalization high-precision optical is turned back prism system and design method |
| CN108332740B (en) * | 2018-01-30 | 2020-08-14 | 北京空间机电研究所 | Athermal high-precision optical turning prism system and design method |
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| CN103399394B (en) | 2016-01-20 |
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