CN109298505A - Split type metal reflecting mirror and angle adaptive regulation method with flexible installing structure - Google Patents
Split type metal reflecting mirror and angle adaptive regulation method with flexible installing structure Download PDFInfo
- Publication number
- CN109298505A CN109298505A CN201811175600.6A CN201811175600A CN109298505A CN 109298505 A CN109298505 A CN 109298505A CN 201811175600 A CN201811175600 A CN 201811175600A CN 109298505 A CN109298505 A CN 109298505A
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- mirror
- flexible installing
- installing structure
- flexible
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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
-
- 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
- G02B7/1822—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors comprising means for aligning the optical axis
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The present invention relates to a kind of Split type metal reflecting mirror of flexible installing structure and angle adaptive regulation methods, belong to high-accuracy optical element flexible support grade adjustment mechanism technical field, the present invention includes metallic mirror mirror body, for flexible installing structure two parts of angle adjustment, and metallic mirror uses 3 rigidly connected modes in side with flexible installing structure.Metallic mirror mirror body is designed at connection structure using flexible compensating groove, angle adjustment and mounting surface injustice bring mount stress problem is isolated；Three identical flexible installing structures divide column rectangle mirror body short axle two sides, to realize to the adjustment of mirror body short-axis direction angle and the automatic adjusument of long axis direction angle, and reduce influence of the angle adjustment to mirror surface type.Reflecting mirror installation structure of the invention can be applied to middle LONG WAVE INFRARED optical-mechanical system metal refluxing reflection mirror and other to reflecting mirror surface shape and the higher occasion of angle adjustment requirement.
Description
Technical field
The invention belongs to high-accuracy optical element flexible support technology fields, have flexible installing knot more particularly to one kind
The Split type metal reflecting mirror and angle adaptive regulation method of structure, mainly for in metal refluxing reflection mirror, it is long
Wave infrared-ray machine system, it is possible to provide more convenient and fast angle adjustment mode.
Background technique
In infrared optical system, metallic mirror applies relatively broad, face form quality amount because of its higher weight reduction rate
It is affected to the image quality of electro-optical system, and common metal refluxing reflection mirror is frequently with the mounting structure of integrated form, instead
Mirror is penetrated to need to adjust in angle while guaranteeing that face form quality amount, difficulty are larger.Therefore, reasonable mounting structure design is carried out, full
While sufficient infrared optical system environmental suitability, simplify angle adjustment link as far as possible, and effectively reduce mount stress opposite shape
Influence, to improve assembly efficiency, reduce cost and be of great significance.
Currently, metal refluxing reflection mirror is mostly frequently with integrated form mounting structure, by improving the precision of mounting surface, and in mirror
The mode that flexible link is designed at face and mounting structure reduces mount stress, but there are following disadvantages for which:
1. it needs to guarantee simultaneously and the adjustment of different directions upper angle easily interacts when carrying out mirror angle adjustment,
It is difficult to guarantee simultaneously, needs to be repeated；
2. the mounting structure of integrated form is often parallel with mirror surface, because using flexible installing structure, the processing week of reflecting mirror
Phase is longer, and mounting structure is repaired and needs Additional Protection reflecting mirror when grinding, and process is cumbersome.
Summary of the invention
Technical problems to be solved
In order to solve existing integrated form metallic mirror support construction be difficult to guarantee simultaneously the adjustment of metal mirror angle and
The problem of surface figure accuracy under mount stress requires reduces the processing cost of reflecting mirror and the difficulty of angle adjustment.Simplify anti-
The angle adjustment link for penetrating mirror, reduces processing and the adjustment period of reflecting mirror, and guarantees the surface precision requirement of reflecting mirror, ad hoc
A kind of Split type metal reflecting mirror and angle adaptive regulation method with flexible installing structure is counted.
Technical solution
A kind of Split type metal reflecting mirror with flexible installing structure, the metallic mirror are rectangle like knot
Structure, back use triangle reinforcing rib；It is characterized in that connecting a flexible peace at the side center of the short axle of metallic mirror
Assembling structure is separately connected a flexible installing structure, distribution in equilateral triangle, flexible installing at the both ends of the other side of short axle
The mounting surface of structure is higher than mirror surface 1mm；The flexible installing structure is S-type, and flexible installing structure passes through four bolts and gold
Belong to reflecting mirror connection, be between the two clearance fit, gap 0.3mm is equipped with location hole between two rows of bolts；Metallic reflection
The planarity requirements of the metallic mirror mounting surface of mirror two sides are uniformly greater than 0.003mm, and ipsilateral metallic mirror mounting surface is total
Face degree is no more than 0.003mm；The supporting surface of flexible installing structure and the verticality of the mounting surface of flexible installing structure are no more than
0.006mm；Under closely bolt mounting holes position, compensating groove is equipped on metallic mirror.
The flexible installing structure (2) uses titanium alloy material, and the groove width and thickness of S type are 2.5mm.
The width of the compensating groove (7) is 3mm.
A kind of angle adaptive regulation method, it is characterised in that steps are as follows:
Step 1: grinding 3 supporting surfaces (3) of flexible installing structure (2) by repairing and keep its coplanar；
Step 2: by the mounting surfaces (4) of three installed position metallic mirrors (1), with flexible installing structure (2)
The angle adjustment on rectangle mirror body long axis direction is realized in translation between mounting surface (5), and detailed process is as follows: first by three
The supporting surface (3) of flexible installing structure (2) is fixed on the mounting structure inside its optical-mechanical system；It is carried on the back in metallic mirror (1)
Minister's axis both ends respectively connect a straight-line displacement mechanism and fixation；Using interior focusing light pipe measurement metallic mirror (1) along long axis
Angular deviation on direction；Bolt between metallic mirror (1) and flexible installing structure (2) is unscrewed；Finally utilize straight line position
The reciprocating motion of telephone-moving structure realizes that the angle of metallic mirror (1) is adjusted until meeting the requirements；
Step 3: after angle is adjusted in place, metallic mirror (1) and flexible installing knot being realized by bolt and shop bolt
Structure is stably connected with.
Beneficial effect
Metallic mirror mirror body is designed at connection structure using flexible compensating groove, angle adjustment and mounting surface is isolated
Uneven bring mount stress problem；Three identical flexible installing structures divide column rectangle mirror body short axle two sides, to realize
To the adjustment of mirror body short-axis direction angle and the automatic adjusument of long axis direction angle, and angle adjustment is reduced to mirror surface type
It influences.Reflecting mirror installation structure of the invention can be applied to the metal refluxing reflection mirror of middle LONG WAVE INFRARED optical-mechanical system, Yi Jiqi
He is to reflecting mirror surface shape and the higher occasion of angle adjustment requirement.
The flexible installing structure of angle automatic adjusument of the invention, can be effectively simple while guaranteeing mirror surface type
Change the angle adjustment link of reflecting mirror, and has many advantages, such as coupling stiffness height, good environmental adaptability, assembly easy to process.
Detailed description of the invention
Fig. 1 is the schematic diagram of reflecting mirror flexible installing structure in the present invention；
Fig. 2 is the main view of reflecting mirror flexible installing structure in the present invention；
Fig. 3 is the schematic diagram of metallic mirror in the present invention；
Fig. 4 is the side view of Fig. 2；
Appended drawing reference in figure indicates are as follows:
1- metallic mirror；2- flexible installing structure；3- flexible installing structural support face；4- metallic mirror mounting surface；
5- flexible installing structure mounting surface；6- triangle reinforcing rib；7- compensating groove；8-S type flexible structure.
Specific embodiment
Now in conjunction with embodiment, attached drawing, the invention will be further described:
The present invention provides a kind of metallic mirror flexible installing structure of angle automatic adjusument, including metallic mirror and
Flexible installing structure, flexible installing structure have angular adjustment and flexible structure feature, realize angle adjustment and mount stress
Compensation function.When carrying out the angle adjustment on reflecting mirror long axis direction, the angle for not needing to carry out related mounting surface, which is repaired, is ground, only
It is realized by the relative rotation of metallic mirror and flexible installing structure mounting surface, additional mount stress will not be brought to ask
Topic, and process is easy.
Metallic mirror separates mounting structure with mirror body, using back triangle reinforcing rib, in addition, answering to reduce installation
Influence of the power to reflecting mirror surface shape, designs compensating groove between mounting structure and mirror surface.Three flexible installing knots constitute equilateral three
It is angular, the metallic mirror two sides of triangle reinforcing rib are distributed and use, there is corresponding design in each flexible installing structure
Flexible structure is to reduce influence of the mounting surface stress to mirror surface type.
In the above-mentioned technical solutions, because each mounting surface of connection structure all has good processability, essence should be improved as far as possible
Degree improves the consistency and assembly efficiency when high-volume is assembled to reduce influence of the mount stress to mirror surface type.
In the above-mentioned technical solutions, it can be required according to different environmental conditions, be selected in different flexible structure material and soft
Property structure type, realize optimal destressing effect by adjusting the flexibility of flexible structure, principle is to meet environmental condition
Under the premise of, flexibility is improved as far as possible, reduces reflecting mirror and flexible structure processing, resetting difficulty.
In the above-mentioned technical solutions, metallic mirror and flexible installing structure connecting hole reserve certain interval, can be by suitable
The angle adjustment of different range is realized when the maximal clearance and spacing that adjust mounting hole.
In the above-mentioned technical solutions, corresponding pin bottom is reserved in metallic mirror and the structurally corresponding position of flexible installing
Hole after mirror to be reflected is adjusted in place, is connected by fastener and pin.
As shown in Figs 1-4, the flexible installing structure of angle automatic adjusument of the invention, including metallic mirror 1 and point
Fixation is bolted in flexible installing structure 2, metallic mirror 1 and flexible installing structure 2；Wherein, metallic mirror 1 includes
Metallic mirror mounting surface 4, triangle reinforcing rib 6 and compensating groove 7, flexible installing structure include flexible installing structural support face 3,
Flexible installing structure mounting surface 5, S type flexible structure 8.Compensating groove 7 reduces influence of the mount stress to surface precision；Using independence
Flexible installing structure, change metallic mirror 1 installation direction, and by S type flexible installing structure 8 reduce angle adjustment when
Influence of the mounting surface unevenness to mirror surface type.
Metallic mirror mirror thickness rate be 8.7, use spacing for 31mm through simulation calculation, with a thickness of 3mm reinforcing rib when, mirror
Body integral rigidity and weight reduction rate are higher, and the deformation of mirror body under the effect of gravity is also smaller.In addition, being compensating groove easy to process
Design width is 3mm, and through simulating, verifying compensating groove, effect is optimal when close to installation site.
Design has S type flexible structure in each flexible installing structure.Wherein, the connection of flexible installing structure and reflecting mirror
Face is located at the immediate vicinity of reflecting mirror, by the bolt of 4 M2.5 connection；The material and Mirror blank materials one of flexible installing structure
It causes, is titanium alloy, in addition to be easy to process, the groove width and thickness of S type flexible structure are 2.5mm, are met through simulating, verifying
In, the requirement of the surface precision of LONG WAVE INFRARED optical system.It is whole convenient for adjustment after flexible installing structure is connect with metallic mirror
3 mounting surfaces of body structure are higher than mirror surface 1mm.
As shown in figure 3, the planarity requirements of reflecting mirror two sides mounting surface are uniformly greater than 0.003mm, wherein ipsilateral reflection
The mounting surface coplane degree of mirror is no more than 0.003mm；The supporting surface 3 that flexible installing structure is connect with reflecting mirror with connect after integrally tie
Structure mounting surface 5, for respective flatness uniformly more than 0.003mm, the latter is no more than 0.006mm, warp with respect to the former verticality
Influence of the verification mounting surface unevenness to reflecting mirror surface precision is emulated within tolerance band.
Metallic mirror and flexible installing structure connection interporal lacuna be 0.3mm, maximum pitch of holes be 138mm, it can be achieved that
The angle adjustment amount of reflecting mirror long axis direction about 7.47 ', the angle for meeting ± 3 ' adjust demand.
The pin bottom outlet of 2 Φ 2, mirror adjustment to be reflected are reserved in metallic mirror and the structurally corresponding position of flexible installing
After in place, it is connected by the pin of 2 Φ 2.5.
Claims (4)
1. a kind of Split type metal reflecting mirror with flexible installing structure, the metallic mirror is rectangle like structure,
Back uses triangle reinforcing rib (6)；It is characterized in that connecting a flexible peace at the side center of the short axle of metallic mirror
Assembling structure (2) is separately connected a flexible installing structure (2) at the both ends of the other side of short axle, and distribution in equilateral triangle is soft
Property mounting structure (2) mounting surface be higher than mirror surface 1mm；The flexible installing structure (2) is S-type, and flexible installing structure (2) is logical
It crosses four bolts to connect with metallic mirror, is between the two clearance fit, gap 0.3mm is equipped between two rows of bolts
Location hole；The planarity requirements of the metallic mirror mounting surface (4) of metallic mirror two sides are uniformly greater than 0.003mm, ipsilateral
Metallic mirror mounting surface (4) coplane degree is no more than 0.003mm；The supporting surface (3) and flexible installing knot of flexible installing structure (2)
The verticality of the mounting surface (5) of structure (2) is no more than 0.006mm；It is equipped under closely bolt mounting holes position, on metallic mirror
Compensating groove (7).
2. a kind of Split type metal reflecting mirror with flexible installing structure according to claim 1, it is characterised in that institute
The flexible installing structure (2) stated uses titanium alloy material, and the groove width and thickness of S type are 2.5mm.
3. a kind of Split type metal reflecting mirror with flexible installing structure according to claim 1, it is characterised in that institute
The width for the compensating groove (7) stated is 3mm.
4. a kind of angle that the Split type metal reflecting mirror described in claim 1 with flexible installing structure is realized adaptively is adjusted
Section method, it is characterised in that steps are as follows:
Step 1: grinding 3 supporting surfaces (3) of flexible installing structure (2) by repairing and keep its coplanar；
Step 2: passing through the installation of the mounting surface (4) of three installed position metallic mirrors (1) and flexible installing structure (2)
The angle adjustment on rectangle mirror body long axis direction is realized in translation between face (5), and detailed process is as follows: first by three flexibilities
The supporting surface (3) of mounting structure (2) is fixed on the mounting structure inside its optical-mechanical system；It is long at metallic mirror (1) back
Axis both ends respectively connect a straight-line displacement mechanism and fixation；Using interior focusing light pipe measurement metallic mirror (1) along long axis direction
On angular deviation；Bolt between metallic mirror (1) and flexible installing structure (2) is unscrewed；Finally utilize straight-line displacement machine
The reciprocating motion of structure realizes that the angle of metallic mirror (1) is adjusted until meeting the requirements；
Step 3: after angle is adjusted in place, metallic mirror (1) and flexible installing structure being realized by bolt and shop bolt
It is stably connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811175600.6A CN109298505A (en) | 2018-10-10 | 2018-10-10 | Split type metal reflecting mirror and angle adaptive regulation method with flexible installing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811175600.6A CN109298505A (en) | 2018-10-10 | 2018-10-10 | Split type metal reflecting mirror and angle adaptive regulation method with flexible installing structure |
Publications (1)
| Publication Number | Publication Date |
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| CN109298505A true CN109298505A (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811175600.6A Pending CN109298505A (en) | 2018-10-10 | 2018-10-10 | Split type metal reflecting mirror and angle adaptive regulation method with flexible installing structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110941926A (en) * | 2019-12-03 | 2020-03-31 | 中国科学院西安光学精密机械研究所 | Free-form surface metal reflector and design method thereof |
| CN110967804A (en) * | 2019-12-16 | 2020-04-07 | 长春长光智欧科技有限公司 | Off-axis metal reflector capable of being positioned quickly and machining method thereof |
| CN111077633A (en) * | 2020-01-06 | 2020-04-28 | 北京卫星环境工程研究所 | Flexible hoisting mechanism for metal reflector and surface shape retaining mechanism |
| CN111318897A (en) * | 2019-12-30 | 2020-06-23 | 中国科学院长春光学精密机械与物理研究所 | Aluminum alloy reflector attached type parallel supporting structure for SPDT processing |
| CN111660227A (en) * | 2020-06-16 | 2020-09-15 | 南京航空航天大学 | Passive side supporting mechanism of optical mirror surface based on elastic element |
| CN113848620A (en) * | 2021-09-26 | 2021-12-28 | 中国科学院国家天文台南京天文光学技术研究所 | High accuracy and high stability mirror body mounting structure |
| CN114200634A (en) * | 2021-11-29 | 2022-03-18 | 北京空间机电研究所 | Space camera directional reflector assembly |
| CN110941926B (en) * | 2019-12-03 | 2024-05-31 | 中国科学院西安光学精密机械研究所 | Free-form surface metal reflector and design method thereof |
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| CN107748427A (en) * | 2017-11-16 | 2018-03-02 | 中国科学院长春光学精密机械与物理研究所 | A kind of dismountable flexible support members |
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| CN106291867A (en) * | 2016-09-29 | 2017-01-04 | 中国科学院西安光学精密机械研究所 | A kind of support integration reflecting mirror |
| CN106610517A (en) * | 2016-12-28 | 2017-05-03 | 中国科学院长春光学精密机械与物理研究所 | Rectangular off-axis metal mirror integrated flexible support structure |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110941926A (en) * | 2019-12-03 | 2020-03-31 | 中国科学院西安光学精密机械研究所 | Free-form surface metal reflector and design method thereof |
| CN110941926B (en) * | 2019-12-03 | 2024-05-31 | 中国科学院西安光学精密机械研究所 | Free-form surface metal reflector and design method thereof |
| CN110967804A (en) * | 2019-12-16 | 2020-04-07 | 长春长光智欧科技有限公司 | Off-axis metal reflector capable of being positioned quickly and machining method thereof |
| CN111318897A (en) * | 2019-12-30 | 2020-06-23 | 中国科学院长春光学精密机械与物理研究所 | Aluminum alloy reflector attached type parallel supporting structure for SPDT processing |
| CN111077633A (en) * | 2020-01-06 | 2020-04-28 | 北京卫星环境工程研究所 | Flexible hoisting mechanism for metal reflector and surface shape retaining mechanism |
| CN111077633B (en) * | 2020-01-06 | 2021-10-01 | 北京卫星环境工程研究所 | Flexible hoisting mechanism for metal reflector and surface shape retaining mechanism |
| CN111660227A (en) * | 2020-06-16 | 2020-09-15 | 南京航空航天大学 | Passive side supporting mechanism of optical mirror surface based on elastic element |
| CN113848620A (en) * | 2021-09-26 | 2021-12-28 | 中国科学院国家天文台南京天文光学技术研究所 | High accuracy and high stability mirror body mounting structure |
| 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 |
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Application publication date: 20190201 |
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