CN209311765U - A kind of microstress support construction of heavy caliber parallel light tube reflecting mirror - Google Patents
A kind of microstress support construction of heavy caliber parallel light tube reflecting mirror Download PDFInfo
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- CN209311765U CN209311765U CN201822104938.4U CN201822104938U CN209311765U CN 209311765 U CN209311765 U CN 209311765U CN 201822104938 U CN201822104938 U CN 201822104938U CN 209311765 U CN209311765 U CN 209311765U
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Abstract
In order to solve existing parallel light tube reflecting mirror support structure, the technical issues of reflecting mirror surface precision can not be effectively ensured, the utility model proposes a kind of microstress support constructions of heavy caliber parallel light tube reflecting mirror, the support scheme combined using 3N point flexible support (every three flexible support axis constitute 3 flexible supports), the support of astrosphere axis and side Auxiliary support, unload reflecting mirror gravity, realize the support of heavy caliber parallel light tube reflecting mirror microstress, and it can guarantee reflecting mirror surface precision, and adjustment is convenient.
Description
Technical field
The utility model belongs to optical engineering field, is related to a kind of microstress support knot of heavy caliber parallel light tube reflecting mirror
Structure.The heavy caliber parallel light tube reflecting mirror of the utility model refers to that bore is more than or equal to the parallel light tube reflecting mirror of 500mm or more.
Background technique
At present in optical engineering field, especially in the development of heavy caliber parallel light tube, the support of large caliber reflecting mirror is ground
Studying carefully becomes research focus, and large caliber reflecting mirror self gravity can make mirror surface generate the variation of biggish face type, except this it
Outside, thermal change, the vibration etc. that ambient environmental factors generate have a direct impact the face type of reflecting mirror, and the face type quality of reflecting mirror
It is then directly related to the index performance of parallel light tube, if there are problems for mirror support form, parallel light tube is will result in and refers to
Mark failure.
Existing parallel light tube reflecting mirror mostly uses greatly rigid support structure, and face type regulating measures are single, and causing can not
Surface precision is effectively ensured, and the adjustment period is longer；In addition, the face type due to mirror glass is sensitive to temperature change, and adopt
With rigid support structure mirror glass face shape is influenced vulnerable to support construction thermal stress, causes parallel light tube in certain tests
Place can not apply.
Utility model content
In order to solve existing parallel light tube reflecting mirror support structure, the technology of reflecting mirror surface precision can not be effectively ensured
Problem, the utility model proposes a kind of microstress support constructions of heavy caliber parallel light tube reflecting mirror, are guaranteeing assembly technology
Simply, under the premise of easy-operating, the microstress support of reflecting mirror is realized, ensure that reflecting mirror surface precision, and then ensure that
The stability of parallel light tube index.
The technical solution of the utility model are as follows:
A kind of microstress support construction of heavy caliber parallel light tube reflecting mirror, including microscope base；The inside of the microscope base is used for
The reflecting mirror being supported is installed；It is characterized in that further include connection frame, flexible support axis and multiple lateral supports；
The connection frame includes mounting ring, braced wing and the support of astrosphere axis；Connection frame passes through mounting ring and the microscope base
Connection；Braced wing has 3N and the setting that is uniformly distributed along the circumference, one end of 3N braced wing are connected with mounting ring, 3N braced wing
The other end with astrosphere axis support is connected, astrosphere axis support end be it is corresponding with the interior hole site of the reflecting mirror,
The compatible chondritic of shape；It is provided on the lateral wall of astrosphere axis support and stays glue groove；N is natural number；
The flexible support axis has 3N, is separately positioned on the 3N braced wing, three flexible support axis are as one
Group is arranged along same circumference uniform distribution；Flexible support axis is generally cylindric, and flexible link is machined in the middle part of flexible support axis,
One end of flexible support axis for Nian Jie with the centre bore of the reflecting mirror, the other end of flexible support axis by fine-pitch screw and
The braced wing is fastenedly connected；
The multiple lateral support is arranged between the microscope base and reflecting mirror, and is arranged along microscope base inner wall circumference uniform distribution；
Each lateral support includes liner and trimming bolt；Liner by the trimming bolt be fixed on the microscope base and reflecting mirror it
Between；
The supporting surface that the supporting surface and lateral support that the 3N flexible support axis is formed are formed passes through the reflecting mirror
Center of gravity.
Preferably, the N=1.
Preferably, each flexible support axis is connected by three fine-pitch screws being evenly arranged on annulus and braced wing fastening
It connects.
Preferably, the end of the astrosphere support is and the reflection corresponding with the interior hole site of the reflecting mirror
The tangent chondritic of the internal via shape of mirror.
It is preferably, described that stay glue groove to have multiple.
Preferably, after the assembly is completed, the center of circle of circumference is overlapped with the center of gravity of the reflecting mirror where all flexible support axis.
Preferably, flexible support axis is separate type, cylinder square crossing or the oblique fork structure of cylinder inside and outside cylinder.
The utility model has the beneficial effects that
1. the utility model using 3N point flexible support (every three flexible support axis constitute 3 flexible supports), in
The support scheme that the support of bulbus cordis axis and side Auxiliary support combine, unloads reflecting mirror gravity, realizes heavy caliber parallel light tube
The support of reflecting mirror microstress, and can guarantee reflecting mirror surface precision.
2. flexible support axis can be effectively isolated influence of the support construction thermal strain to mirror surface type, so that reflecting mirror pair
Operating temperature requirements reduce.
3. each flexible support axis of the utility model is adjusted by three uniformly distributed fine-pitch screws of annulus, on the one hand,
Three fine-pitch screws form a triangle, and structural stability is higher；On the other hand, it is flat to form a space for three fine-pitch screws
Face, by adjusting the collapsing length of each fine-pitch screw, three fine-pitch screw supporting points can determine the space plane of any one,
To realize that braced wing and the accurate of mirror support space of planes included angle adjust.
4. the end of the utility model astrosphere support is and the reflection corresponding with the interior hole site of the reflecting mirror
The tangent chondritic of the internal via shape of mirror, contact stress is small, influences on reflecting mirror surface precision small.
5. three flexible support axis are arranged the utility model along same even circumferential, so that the gravity of reflecting mirror is at three
It is uniformly unloaded on flexible support axis, avoids braced wing stress raisers and reduce braced wing mechanical structure performance.
6. the processing of each components and assembly technology simply easily realize that economic cost is low in the utility model.
Detailed description of the invention
Fig. 1 is the matching relationship schematic diagram of the utility model microstress support construction embodiment and reflecting mirror.
Fig. 2 a is the main view after the cooperation of the utility model microstress support construction embodiment and reflecting mirror.
Fig. 2 b is A-A cross-sectional view in Fig. 2 a.
Fig. 3 is the structural schematic diagram of connection frame in the utility model microstress support construction embodiment.
Fig. 4 be the utility model microstress support construction embodiment in connection frame astrosphere axis support be supported it is anti-
Penetrate the matching relationship schematic diagram of mirror.
Fig. 5 is the structural schematic diagram of flexible support axis in the utility model microstress support construction embodiment, wherein (a)
(b) it is cylinder square crossing for separate type inside and outside cylinder, (c) is the oblique V shape of cylinder.
Fig. 6 is the matching relationship of flexible support axis and connection frame signal in the utility model microstress support construction embodiment
Figure.
Fig. 7 is that lateral support is illustrated with the cooperation for being supported reflecting mirror in the utility model microstress support construction embodiment
Figure.
Fig. 8 is the mechanical analysis schematic diagram after the utility model embodiment and reflecting mirror assembly, wherein (a) is side branch
Reflecting mirror gravity unloading figure is supportted, (b) is 3 flexible support reflecting mirror gravity unloading schematic diagrames of back type.
Wherein 1- reflecting mirror, 2- microscope base, 3- connection frame, 31- braced wing, 32- mounting ring, 321- mounting hole, 33- astrosphere
Axis support, 331- stay glue groove, 4- flexible support axis, 5- fine-pitch screw, 6- lateral support, 61- liner, 62- trimming bolt, and 8- is tight
Gu screw.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Shown in a, Fig. 2 b as shown in Figure 1, Figure 2, heavy caliber parallel light tube reflecting mirror is micro- provided by the utility model embodiment
Stress support structure, including microscope base 2, connection frame 3, flexible support axis 4 and lateral support 6；
For installing the reflecting mirror 1 being supported inside microscope base 2；Connection frame 3 is mounted on microscope base 2, and is located at reflecting mirror 1
Back.
As shown in Figure 3, Figure 4, connection frame 3 includes mounting ring 32, braced wing 31 and astrosphere axis support 33；32 end of mounting ring
Mounting hole 321 is provided on face, mounting ring 32 is connect by the mounting hole 321 and fastening screw 8 with microscope base 2；Braced wing 31 has
Three and the setting that is uniformly distributed along the circumference, braced wing 31 are uniformly arranged, and can uniformly be undertaken mirror assembly, be can be avoided support construction
Stress raisers, damage, and appearance the case where cause support construction mechanical properties decrease.One end of three braced wings 31 is equal
It is connected with mounting ring 32, the other end of three braced wings 31 is connected with astrosphere axis support 33, the end of astrosphere axis support 33
Portion is the spherical knot that (preferably tangent, contact stress is small at this time) is adapted with the inner hole location and shape for the reflecting mirror 1 being supported
Structure；Be provided on the lateral wall of astrosphere axis support 33 and stay glue groove 331, after adjustment, to stay put in glue groove 331 silicon rubber into
Row fastening.As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 6, there are three flexible support axis 4, and connection frame 3 is arranged in along same circumference uniform distribution
On braced wing；Flexible support axis 4 is generally cylindric, and the intermediate position of flexible support axis 4 is machined with flexible link, flexible support
For Nian Jie with the centre bore for the reflecting mirror 1 being supported, the other end of flexible support axis 4 passes through three closely-pitched spiral shells for one end of axis 4
Nail 5 and the braced wing of connection frame 3 are fastenedly connected；By adjusting the flexible of 4 corresponding three fine-pitch screws 5 of each sinking support axis
Length can realize that reflecting mirror 1 is opposite with the angle between each sinking support axis 4 of fine adjustment and the braced wing 31 of connection frame 3
In the precision adjustment of 3 tilt angle of connection frame.
Three flexible support axis can independently be adjusted by its corresponding fine-pitch screw, three flexible support axis and reflecting mirror
Contact point can determine a bikini flexible support face, after fastening, staying on flexible support axis will put silicon rubber in glue groove
It is fastened, also to put silicon rubber at corresponding three fine-pitch screws of each flexible support axis and be fastened, so that finally
Holding state no longer change；After the assembly is completed, the center of gravity weight in the center of circle of three 4 place circumference of flexible support axis and reflecting mirror 1
It closes.
As shown in Fig. 2, Fig. 7, multiple sides along the setting of 2 inner wall circumference uniform distribution of microscope base are additionally provided on the inner wall of microscope base 2
Side support 6, each lateral support 6 include liner 61 and trimming bolt 62 (bolt of serration)；After reflecting mirror 1 is packed into microscope base 2, lining
Pad 61 is fixed between reflecting mirror 1 and microscope base 2 by trimming bolt 62, by adjusting trimming bolt 62, can to reflecting mirror 1 into
Row Auxiliary support, thus to the gravity partial relief of reflecting mirror 1, so that mirror surface type reaches best.
If Fig. 8 shows, the combination of 33, three flexible support axis 4 and lateral support 6 is supported by astrosphere axis, three soft
Property the supporting surface that is formed of support shaft 4 and the supporting surface that is formed of lateral support 6 pass through the center of gravity of reflecting mirror 1, it will be able to unload quilt
The gravity of the reflecting mirror 1 of support.
Claims (7)
1. a kind of microstress support construction of heavy caliber parallel light tube reflecting mirror, including microscope base；The inside of the microscope base is for pacifying
Fill the reflecting mirror being supported；It is characterized by also including connection frame, flexible support axis and multiple lateral supports；
The connection frame includes mounting ring, braced wing and the support of astrosphere axis；Connection frame is connect by mounting ring with the microscope base；
Braced wing has 3N and the setting that is uniformly distributed along the circumference, one end of 3N braced wing are connected with mounting ring, 3N braced wing it is another
End is connected with the support of astrosphere axis, and the end of astrosphere axis support is, shape corresponding with the interior hole site of the reflecting mirror
Compatible chondritic；It is provided on the lateral wall of astrosphere axis support and stays glue groove；N is natural number；
The flexible support axis has 3N, is separately positioned on the 3N braced wing, and three flexible support axis are as one group, edge
Same circumference uniform distribution setting；Flexible support axis is generally cylindric, and flexible link, flexibility branch are machined in the middle part of flexible support axis
One end of axis is supportted for Nian Jie with the centre bore of the reflecting mirror, the other end of flexible support axis passes through fine-pitch screw and the branch
The support wing is fastenedly connected；
The multiple lateral support is arranged between the microscope base and reflecting mirror, and is arranged along microscope base inner wall circumference uniform distribution；Each
Lateral support includes liner and trimming bolt；Liner is fixed between the microscope base and reflecting mirror by the trimming bolt；
The supporting surface that the supporting surface and lateral support that the 3N flexible support axis is formed are formed passes through the weight of the reflecting mirror
The heart.
2. the microstress support construction of heavy caliber parallel light tube reflecting mirror according to claim 1, it is characterised in that: described
N=1.
3. the microstress support construction of heavy caliber parallel light tube reflecting mirror according to claim 1 or 2, it is characterised in that:
Each flexible support axis is fastenedly connected by three fine-pitch screws being evenly arranged on annulus with the braced wing.
4. the microstress support construction of heavy caliber parallel light tube reflecting mirror according to claim 1 or 2, it is characterised in that:
The end of the astrosphere support is corresponding with the interior hole site of the reflecting mirror, tangent with the internal via shape of the reflecting mirror
Chondritic.
5. the microstress support construction of heavy caliber parallel light tube reflecting mirror according to claim 3, it is characterised in that: described
Glue groove is stayed to have multiple.
6. the microstress support construction of heavy caliber parallel light tube reflecting mirror according to claim 5, it is characterised in that: assembly
After the completion, the center of circle of circumference is overlapped with the center of gravity of the reflecting mirror where all flexible support axis.
7. the microstress support construction of heavy caliber parallel light tube reflecting mirror according to claim 6, it is characterised in that: flexible
Support shaft is separate type, cylinder square crossing or the oblique fork structure of cylinder inside and outside cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822104938.4U CN209311765U (en) | 2018-12-14 | 2018-12-14 | A kind of microstress support construction of heavy caliber parallel light tube reflecting mirror |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822104938.4U CN209311765U (en) | 2018-12-14 | 2018-12-14 | A kind of microstress support construction of heavy caliber parallel light tube reflecting mirror |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521546A (en) * | 2018-12-14 | 2019-03-26 | 中国科学院西安光学精密机械研究所 | A kind of microstress support construction of heavy caliber parallel light tube reflecting mirror |
| CN112596198A (en) * | 2020-12-28 | 2021-04-02 | 中国科学院长春光学精密机械与物理研究所 | Curvature error adjusting device and method for large-diameter spliced reflector |
-
2018
- 2018-12-14 CN CN201822104938.4U patent/CN209311765U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521546A (en) * | 2018-12-14 | 2019-03-26 | 中国科学院西安光学精密机械研究所 | A kind of microstress support construction of heavy caliber parallel light tube reflecting mirror |
| CN109521546B (en) * | 2018-12-14 | 2024-01-05 | 中国科学院西安光学精密机械研究所 | Microstress supporting structure of large-caliber collimator reflector |
| CN112596198A (en) * | 2020-12-28 | 2021-04-02 | 中国科学院长春光学精密机械与物理研究所 | Curvature error adjusting device and method for large-diameter spliced reflector |
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