CN105549175A - Space planar mirror optical directing assembly - Google Patents
Space planar mirror optical directing assembly Download PDFInfo
- Publication number
- CN105549175A CN105549175A CN201610019757.4A CN201610019757A CN105549175A CN 105549175 A CN105549175 A CN 105549175A CN 201610019757 A CN201610019757 A CN 201610019757A CN 105549175 A CN105549175 A CN 105549175A
- Authority
- CN
- China
- Prior art keywords
- plane
- screw
- mirror
- plane mirror
- bent axle
- 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.)
- Pending
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Classifications
-
- 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
- G02B7/198—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors with means for adjusting the mirror relative to its support
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
- Lasers (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention discloses a space planar mirror optical directing assembly, comprising a planar mirror, a crankshaft and a linkage member between the planar mirror and the crankshaft. The linkage member comprises a linkage column and a butterfly-shaped switch board. The structure is characterized by adopting the crankshaft to centrally support the planar mirror so that the mirror integrity is guaranteed and the stiffness of the mirror body and especially the central part of the mirror body is increased. Meanwhile, through the design that the rotation axial line of the crankshaft passing through the mass center of the directing mirror assembly, the static balancing around the rotation axial line is realized and there is no need to add an unnecessary counterweight structure. Through the accurate control of the linkage member, the linkage stress and heat adaptability of the mirror body are effectively improved, and clamping with high surface shape accuracy is realized.
Description
Technical field:
The plane mirror that the present invention relates to spacer remote sensing and laser communication instrument points to assembly, specifically refers to the sensing assembly be made up of plane mirror, rotating shaft and the coupling member that connects plane mirror and rotating shaft.
Background technology:
Normal employing plane mirror directing mechanism in spacer remote sensing and laser communication instrument: illuminating apparatus structure is pointed in order to expand imaging viewing field for remote sensing instrument, laser communication directing mechanism is then used for carrying out scan tracing and aims at the mark, set up channel.The unstressed support of high precision of directing mechanism midplane catoptron is a technical barrier always.Current method for supporting mainly contains two kinds, one respectively installs a rotating shaft in plane mirror two sides, supported on both sides is carried out to level crossing, this way makes mirror body become a section of revolving shaft, the right alignment of mirror body both sides rotating shaft is difficult to ensure on the one hand, cause axle system to have larger additional erection stress, instrument in orbit time shorten the moving component life-span; Erection stress will feed back on mirror body on the other hand, affect mirror shape precision, finally affect the image quality of instrument.A kind of employing leads to spindle center mounting means, namely the side of mirror body is provided with a through hole, concentric shafts runs through mirror body, and contiguous block is set in concentric shafts center connects with mirror body, this mode can overcome the problem of revolution concentricity, but at mirror body side surface, through hole is set, destroy the integrality of mirror body itself, certain influence is had to the rigidity of mirror body, and through hole is generally all arranged on the axis of symmetry, be supported on the center of mirror body, considerable influence certainly will be had to Jing Ti center minute surface surface figure accuracy, for the laser beam of energy Gaussian distribution, the surface figure accuracy of loss core can cause larger performance loss.Simultaneously because plane mirror generally adopts back to alleviate, barycenter is very near minute surface, and in order to keep certain minute surface thickness, logical axle axis of rotation can not pass through the mirror physique heart, this makes mirror body need to carry out counterweight to reach static equilibrium at back, and this is very disadvantageous concerning weight and all very limited spaceflight apparatus of volume.
Summary of the invention:
Based on Problems existing in above-mentioned existing plane mirror structure, the present invention proposes the draw bail that a kind of crankshaft center supports, this structure ensure that the integrality of mirror body, improves the rigidity in mirror body especially centre; Passing through to point to mirror assembly barycenter by the axis of rotation of design bent axle simultaneously, realizing the static equilibrium of wraparound shaft axis, without the need to increasing unnecessary counter weight construction.By the precision controlling of coupling member, effectively can improve connection stress and the hot adaptability of mirror body, realize the clamping of high surface figure accuracy.
Plane mirror of the present invention points to assembly and comprises: plane mirror, bent axle and the coupling member between plane mirror and bent axle.
Described plane mirror 1 is elliptic plane mirror, and mirror body back arranges and alleviates groove.Plane mirror 1 back is provided with reference field 101, as the benchmark installing connecting column 2; Plane mirror 1 back is provided with four symmetrical blind holes 102, and size and four connecting columns 2 match, and four blind holes 102 arrange and concentrate on Jing Ti center;
Described connecting column 2 face of cylinder there is storage glue lattice 203, ensure bondline thickness in order to the bonding force increased when glueing joint simultaneously.Connecting column 2 there is the lug 202 of three circumference uniform distributions, use as location when connecting column 2 loads plane mirror 1 back blind hole 102.Connecting column top plan 201 is connected by screw 4 with butterfly card extender 3, and top plan 201 planarity requirements is not more than 0.002mm, top plan 201 has screw 204 in order to connect butterfly card extender 3;
On described butterfly card extender 3, plane 301 is connected by screw 6 with bent axle 5, plane 301 is provided with the screw 302 connected with bent axle 5, and lower plane 304 connects with 4 connecting columns 2, and plane 304 center is provided with through hole 303 in each of the lower, passes for screw 4;
There is mounting plane 502 described bent axle 5 center, and installed surface back is provided with through hole 503, passes for screw 6, bent axle 5 has two mounting flanges 501, connects with the apparatus for rotating of peripheral hardware.The center pit axis of mounting flange 501 passes through the barycenter of whole assembly.
Connecting column 2 face of cylinder storage glue lattice 203 applies epoxy glue, and fill in plane mirror 1 back blind hole 102, filling in rear lug 202 should develop with reference field 101, shows that connecting column 2 is in place.Until epoxy glue solidification after, the top plan 201 of four connecting columns 2 is repaiied grind coplanar.Then on end face 201, install butterfly card extender 3, screw 4 is fixed on screw 204 through through hole 303, to be completed by butterfly card extender 3 connect by being spirally connected with plane mirror 1.Screw 6 is fastened on butterfly card extender 3 screw 302 through through hole 503 on bent axle 5, and bent axle 5 central plane 502 and butterfly card extender 3 plane 301 are fitted.The center pit axis of crankshaft installed flange 501 passes through the barycenter of whole assembly.
The invention has the advantages that:
1, by the central supported of bent axle, avoided problem mirror body being opened through hole, ensure that the integrality of mirror body, improve the rigidity in mirror body especially centre, the clamping making mirror body comprise the unified high surface figure accuracy in centre is achieved.
2, the axis of rotation by designing bent axle makes it pass through to point to mirror assembly barycenter, realizing the static equilibrium of wraparound shaft axis, without the need to increasing unnecessary counter weight construction, having saved volume and the quality resource of assembly, significant for space product;
3, in the centre of bent axle, mirror body is supported, farthest can reduce the transmission of erection stress to mirror body, by the precision controlling of coupling member, effectively can improve connection stress and the hot adaptability of mirror body, realize the clamping of high surface figure accuracy.
Accompanying drawing illustrates:
Fig. 1. plane mirror points to assembly explosive view;
Fig. 2. plane mirror points to modular construction schematic diagram, and (a) is partial top view, and (b) is local echelon sectional view;
Fig. 3. plane mirror structural representation;
Fig. 4. the schematic diagram of connecting column;
Fig. 5. the schematic diagram of butterfly card extender, (a) is bottom axonometric drawing, and (b) is front axonometric drawing;
Fig. 6. the schematic diagram of bent axle, (a) is bottom axonometric drawing, and (b) is front axonometric drawing.
Concrete embodiment:
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further detailed:
1, see Fig. 3,4,5,6, before assembling, each installed surface 201,301,304,502 flatness is ground, ensure that its flatness reaches 0.002mm.
See Fig. 1,2, connecting column 2 face of cylinder storage glue lattice 203 applies epoxy glue, and fill in plane mirror 1 back blind hole 102, filling in rear lug 202 should develop with reference field 101, shows that connecting column 2 is in place.Until epoxy glue solidification after, the top plan 201 of four connecting columns 2 is repaiied grind coplanar.Then on end face 201, install butterfly card extender 3, screw 4 is fixed on screw 204 through through hole 303, to be completed by butterfly card extender 3 connect by being spirally connected with plane mirror 1.Screw 6 is fastened on butterfly card extender 3 screw 302 through through hole 503 on bent axle 5, and bent axle 5 central plane 502 and butterfly card extender 3 plane 301 are fitted.The center pit axis of crankshaft installed flange 501 passes through the barycenter of whole assembly.In connection process, control the lashing force of each screw with torque spanner, simultaneously with the change of laser interferometer monitoring plane mirror surface figure accuracy, prevent mount stress excessive, after stable, adopt locking glue sealing screw.
Claims (1)
1. space plane mirror points to an assembly, and it comprises plane mirror (1), bent axle (5) and the coupling member between plane mirror and bent axle; Coupling member comprises: connecting column (2), butterfly card extender (3) is characterized in that:
Described plane mirror (1) is elliptic plane mirror, and mirror body back arranges and alleviates groove, and plane mirror (1) back is provided with reference field (101) as the benchmark installing connecting column (2); Plane mirror (1) back is provided with four symmetrical blind holes (102), and size and four connecting columns (2) match, and four blind hole (102) settings concentrate on Jing Ti center;
Described connecting column (2) face of cylinder there is storage glue lattice (203), ensure bondline thickness in order to the bonding force increased when glueing joint simultaneously, connecting column (2) there is the lug (202) of three circumference uniform distributions, use as location when connecting column (2) loads plane mirror (1) back blind hole (102), connecting column top plan (201) is connected by screw (4) with butterfly card extender (3), top plan (201) planarity requirements is not more than 0.002mm, top plan (201) there is screw (204) in order to connect butterfly card extender (3),
The upper plane (301) of described butterfly card extender (3) is connected by screw (6) with bent axle (5), plane (301) is provided with the screw (302) connected with bent axle (5), lower plane (304) connects with 4 connecting columns (2), and plane (304) center is provided with through hole (303) in each of the lower, pass for screw (4);
There is mounting plane (502) described bent axle (5) center, installed surface back is provided with through hole (503), pass for screw (6), bent axle (5) there are two mounting flanges (501), connect with the apparatus for rotating of peripheral hardware, the center pit axis of mounting flange (501) passes through the barycenter of whole assembly;
It is as follows that plane mirror points to each component connecting method of assembly: connecting column (2) face of cylinder storage glue lattice (203) applies epoxy glue, fill in plane mirror (1) back blind hole (102), fill in rear lug (202) to develop with reference field (101), show that connecting column (2) is in place, after epoxy glue solidification, the top plan (201) of four connecting columns (2) is repaiied grind coplanar, then at end face (201) upper installation butterfly card extender (3), screw (4) is fixed on screw (204) through through hole (303), by being spirally connected butterfly card extender (3) completed with plane mirror (1) and connect, screw (6) is fastened on butterfly card extender (3) screw (302) through the upper through hole (503) of bent axle (5), bent axle (5) central plane (502) and butterfly card extender (3) plane (301) are fitted, and the center pit axis of crankshaft installed flange (501) passes through the barycenter of whole assembly.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019757.4A CN105549175A (en) | 2016-01-13 | 2016-01-13 | Space planar mirror optical directing assembly |
| CN201610406815.9A CN105911670B (en) | 2016-01-13 | 2016-06-12 | Component is pointed to plane mirror optics in a kind of space |
| CN201620557095.1U CN205809391U (en) | 2016-01-13 | 2016-06-12 | Space plane mirror optics points to assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019757.4A CN105549175A (en) | 2016-01-13 | 2016-01-13 | Space planar mirror optical directing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105549175A true CN105549175A (en) | 2016-05-04 |
Family
ID=55828470
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610019757.4A Pending CN105549175A (en) | 2016-01-13 | 2016-01-13 | Space planar mirror optical directing assembly |
| CN201610406815.9A Active CN105911670B (en) | 2016-01-13 | 2016-06-12 | Component is pointed to plane mirror optics in a kind of space |
| CN201620557095.1U Withdrawn - After Issue CN205809391U (en) | 2016-01-13 | 2016-06-12 | Space plane mirror optics points to assembly |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610406815.9A Active CN105911670B (en) | 2016-01-13 | 2016-06-12 | Component is pointed to plane mirror optics in a kind of space |
| CN201620557095.1U Withdrawn - After Issue CN205809391U (en) | 2016-01-13 | 2016-06-12 | Space plane mirror optics points to assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN105549175A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200634A (en) * | 2021-11-29 | 2022-03-18 | 北京空间机电研究所 | Space camera directional reflector assembly |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549175A (en) * | 2016-01-13 | 2016-05-04 | 中国科学院上海技术物理研究所 | Space planar mirror optical directing assembly |
| CN106646818B (en) * | 2017-02-28 | 2019-02-05 | 南京航空航天大学 | The bearing of semi-active type mirror surface and positioning system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1284023C (en) * | 2004-06-22 | 2006-11-08 | 中国科学院上海技术物理研究所 | Double-faced mirror optical scanning head for space |
| KR101068843B1 (en) * | 2011-07-04 | 2011-09-29 | 한국 천문 연구원 | Belt support type mirror mounting assembly |
| CN102928947B (en) * | 2012-11-07 | 2014-11-19 | 中国科学院长春光学精密机械与物理研究所 | Bracing structure free of central blocking and made of composite materials for large-caliber optical double sided mirror |
| JP6109578B2 (en) * | 2013-01-08 | 2017-04-05 | 中国電力株式会社 | Radio wave propagation path inspection device |
| CN104678533A (en) * | 2015-02-13 | 2015-06-03 | 中国科学院长春光学精密机械与物理研究所 | Ground gravity unloading support method for large spatial reflector |
| CN105549175A (en) * | 2016-01-13 | 2016-05-04 | 中国科学院上海技术物理研究所 | Space planar mirror optical directing assembly |
-
2016
- 2016-01-13 CN CN201610019757.4A patent/CN105549175A/en active Pending
- 2016-06-12 CN CN201610406815.9A patent/CN105911670B/en active Active
- 2016-06-12 CN CN201620557095.1U patent/CN205809391U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200634A (en) * | 2021-11-29 | 2022-03-18 | 北京空间机电研究所 | Space camera directional reflector assembly |
| CN114200634B (en) * | 2021-11-29 | 2024-03-15 | 北京空间机电研究所 | Directional reflector assembly of space camera |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105911670B (en) | 2018-02-16 |
| CN105911670A (en) | 2016-08-31 |
| CN205809391U (en) | 2016-12-14 |
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| Date | Code | Title | Description |
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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: 20160504 |