CN106707461B - Flexible supporting device for light reflector - Google Patents
Flexible supporting device for light reflector Download PDFInfo
- Publication number
- CN106707461B CN106707461B CN201611016555.0A CN201611016555A CN106707461B CN 106707461 B CN106707461 B CN 106707461B CN 201611016555 A CN201611016555 A CN 201611016555A CN 106707461 B CN106707461 B CN 106707461B
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- CN
- China
- Prior art keywords
- reflector
- supporting seat
- flexible annular
- connecting frame
- annular supporting
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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
- 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
-
- 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
- G02B7/192—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors with means for minimising internal mirror stresses not in use
Abstract
The invention provides a flexible supporting device for a light reflector. The device mainly solves the technical problems that the existing device is easy to deform, distort and break, and is difficult to adjust in a mechanical vibration environment and a thermal change environment. The supporting device comprises a reflector, a flexible annular supporting seat, a connecting frame, a mandril and an installation platform, wherein the front side of the reflector is an optical working surface, the back side of the reflector is provided with a circular supporting hole, and a plurality of reinforcing ribs are arranged around the supporting hole; the flexible annular supporting seat is positioned in a supporting hole of the reflector, stress relief slits are arranged at the edge of the flexible annular supporting seat in the circumferential direction, and a plurality of bonding filler blocks connected with the reflector are arranged on the outer wall of the flexible annular supporting seat; the connecting frame is positioned between the flexible annular supporting seat and the mounting platform, and the end face of the connecting frame is provided with a spherical groove which is matched with the ejector rod to form a kinematic pair; the ejector rod comprises a screw rod and a ball head arranged at the top end, and the ejector rod is installed on the installation platform through threaded connection. The device can be used for supporting the reflector and accurately adjusting the posture in the space optical instrument.
Description
Technical Field
The invention relates to the field of optical part structure support, in particular to a flexible support device for a light reflector.
Background
With the further development of the space optical science and technology, the use requirement of the space optical instrument is higher and higher. In a space optical instrument, a plane mirror is one of essential key components, and with the increasing requirement of space science and technology on precision, the plane mirror has to be in a severe working state, so that the precision of the optical performance of the plane mirror can be ensured, and the self weight of the plane mirror is required to be reduced to the maximum extent. In addition, the space optical instrument belongs to precision equipment and needs to bear environmental tests in various aspects such as heat, mechanics and the like. The reflector is used as an important part and is subjected to harsh mechanical vibration environment and thermal change environment in the spatial emission and working stages, which cause the reduction of the optical performance precision of the reflector and the damage of the strength of a supporting structure, thereby causing the performance reduction and even the failure of an optical instrument. The existing reflector supporting device has the problems that the reflector surface is easy to deform under severe thermal environment load and is easy to distort and even break under vibration mechanical environment load, and simultaneously has the technical problems that the posture of the supporting device in an instrument is difficult to adjust, the weight of the supporting device is large, and the occupied space is large.
Disclosure of Invention
The invention aims to solve the technical problems that the existing reflector supporting device is easy to deform, distort and crack, difficult to adjust, heavy in weight, large in occupied space and size and the like in a mechanical vibration environment and a thermal change environment.
The technical scheme for solving the problems is as follows: a light reflector flexible supporting device comprises a reflector, a flexible annular supporting seat, a connecting frame, a top rod and an installation platform, wherein the front side of the reflector is an optical working surface, the back side of the reflector is a spoke type weight reduction structure, the back side of the reflector is provided with a circular supporting hole, and a plurality of reinforcing ribs are arranged around the supporting hole; the flexible annular supporting seat is positioned in a supporting hole of the reflector; the edge of the flexible annular supporting seat in the circumferential direction is provided with a stress relief slit, the outer wall of the flexible annular supporting seat is provided with a plurality of bonding pad blocks connected with the reflector, the surface of each bonding pad block is provided with a glue groove, glue can conveniently flow, so that the bonding firmness of the flexible annular supporting seat and the reflector is ensured, and the connecting frame is positioned between the flexible annular supporting seat and the mounting platform; the connecting frame is fixedly connected with the flexible annular supporting seat by a fastener; the connecting frame is connected with the mounting platform by a fastener, and the end face of the connecting frame is provided with a spherical groove which is matched with the ejector rod to form a kinematic pair; the ejector rod comprises a screw rod and a ball head arranged at the top end, the ejector rod is installed on the installation platform through threaded connection, the protruding height of the top end of the ejector rod can be controlled through rotating the ejector rod, and therefore the distance between the connecting frame and the reflector in the direction perpendicular to the mirror surface is controlled, and the function of accurately adjusting the posture of the reflector is achieved.
The number of the reinforcing ribs is preferably 6, namely, the weight of the reflector is reduced under the condition that the requirements of the integral strength and the surface type of the reflector are met. The roughness of the inner wall surface of the supporting hole is 12.5-25 mu m, the surface roughness is large, adhesion is convenient, and the bonding force between the adhesive layer and the structure is increased.
The end face of the flexible annular supporting seat is provided with three arc-shaped weight reduction grooves, so that the weight of the device can be reduced.
The whole connecting frame is of a triangular structure, and a circular lightening hole is formed in the center of the connecting frame, so that the weight of the device can be lightened.
Compared with the prior art, the light reflector flexible supporting device provided by the invention has the advantages of light weight, small occupied space, feasible process, high strength, difficulty in deformation and distortion, low processing difficulty, simplicity in assembly and debugging, capability of bearing harsh mechanical and thermal environments and no complex mechanical interface. The posture of the reflector component is more convenient to adjust in the instrument.
Drawings
FIG. 1 is a schematic view of an overall installation structure of one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an overall mounting structure of one embodiment of the present invention;
FIG. 3 is a schematic view of a partial structure of a top bar installation according to an embodiment of the present invention;
FIG. 4 is a schematic view of a reflector structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of a flexible annular support base according to an embodiment of the present invention;
FIG. 6 is a schematic view of a connecting frame according to an embodiment of the present invention;
FIG. 7 is a schematic view of a lift pin structure according to an embodiment of the present invention
Reference numerals: 1-reflector, 2-flexible annular supporting seat, 21-arc weight reduction groove, 22-threaded hole, 23-stress relief slit, 24-flexible blade, 25-rubber groove, 26-flexible filler block, 3-connecting frame, 31-circular weight reduction hole, 32-counter bore, 33-spherical groove, 34-threaded hole, 4-ejector rod, 41-ball head, 5-mounting platform and 6-screw
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
the light reflector flexible supporting device shown in fig. 1 to 7 comprises a reflector 1, a flexible annular supporting seat 2, a connecting frame 3, a mandril 4 and a mounting platform 5. The front surface of the reflector 1 is an optical working surface, the back part of the reflector 1 is a spoke type weight reduction structure, the center of the back surface of the reflector 1 is provided with a circular supporting hole, the roughness of the inner wall surface of the supporting hole is 12.5-25 mu m, the circular supporting hole is used for facilitating adhesion, the bonding force between a glue layer and the structure is increased, six reinforcing ribs are uniformly distributed around the circular supporting hole, and the weight of the reflector is reduced under the condition that the integral strength and the surface type requirements of the reflector are ensured.
The flexible annular supporting seat 2 is arranged in a supporting hole of the reflector 1, the flexible annular supporting seat 2 is integrally in a circular ring shape, three arc-shaped lightening grooves 21 and threaded holes 22 are uniformly distributed in the flexible annular supporting seat, stress relieving slits 23 are formed in the edge of the flexible annular supporting seat in the circumferential direction, a plurality of bonding pad blocks 26 which are bonded with glue for the reflector are arranged on the outer wall of the flexible annular supporting seat, the bonding pad blocks 26 are connected with the supporting seat main body through flexible blades 24, glue grooves 25 are formed in the surface of the bonding pad blocks 26, and therefore the flowing of the glue is facilitated, and the bonding firmness of the flexible annular supporting seat 2 and the reflector 1 is guaranteed.
The connecting frame 3 is positioned between the flexible annular supporting seat 2 and the mounting platform 5, the connecting frame 3 is integrally of a triangular structure, a circular lightening hole 31 is formed in the center of the connecting frame 3, three counter bores 32 are uniformly distributed on the periphery of the circular lightening hole 31, and the three counter bores 32 in the connecting frame 3 are fixedly connected with the threaded hole 22 of the flexible annular supporting seat 2 through screws; three corners of the connecting frame 3 are provided with a spherical groove 33 and three threaded holes 34, the connecting frame 3 can be fixedly connected with the mounting platform through the three threaded holes 34 at each corner, and the spherical groove 33 at each corner is matched with the ejector rod 4 to form a kinematic pair.
The ejector rod 4 comprises a screw rod and a ball head arranged on the top end, threads are arranged on the circumference of the ejector rod 4, a smooth ball head 41 is arranged on the top end of the ejector rod 4, the ejector rod 4 is installed on the installation platform 5 through the threads, and the protruding height of the top end of the three ejector rod 4 can be controlled by rotating the three ejector rod 4, so that the distance between the connecting frame 3 and the reflector 1 in the direction perpendicular to the mirror surface is controlled, and the function of accurately adjusting the posture of the reflector 1 is further completed.
Claims (4)
1. The utility model provides a flexible strutting arrangement of light speculum which characterized in that: the reflecting mirror comprises a reflecting mirror, a flexible annular supporting seat, a connecting frame, an ejector rod and a mounting platform, wherein the front surface of the reflecting mirror is an optical working surface, the back surface of the reflecting mirror is provided with a circular supporting hole, and reinforcing ribs are arranged around the supporting hole; the flexible annular supporting seat is positioned in a supporting hole of the reflector, stress relief slits are formed in the edge of the flexible annular supporting seat in the circumferential direction, a plurality of bonding pad blocks connected with the reflector are arranged on the outer wall of the flexible annular supporting seat, and glue grooves are formed in the surface of each bonding pad block; the connecting frame is positioned between the flexible annular supporting seat and the mounting platform and fixedly connected with the flexible annular supporting seat by a fastener; the connecting frame is connected with the mounting platform by a fastener, and a spherical groove matched with the ejector rod to form a kinematic pair is formed in the end face of the connecting frame; the ejector rod comprises a screw and a ball head arranged at the top end, and the ejector rod is installed on the installation platform through threaded connection; the roughness of the inner wall surface of the supporting hole is 12.5-25 μm.
2. The lightweight, flexible support structure for mirrors of claim 1, further comprising: the number of the reinforcing ribs is six.
3. A lightweight mirror flexible support arrangement according to claim 1 or 2, wherein: the end face of the flexible annular supporting seat is provided with three arc-shaped weight reduction grooves.
4. The lightweight mirror flexible support device of claim 3, wherein: the whole connecting frame is of a triangular structure, and a circular lightening hole is formed in the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611016555.0A CN106707461B (en) | 2016-11-18 | 2016-11-18 | Flexible supporting device for light reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611016555.0A CN106707461B (en) | 2016-11-18 | 2016-11-18 | Flexible supporting device for light reflector |
Publications (2)
| Publication Number | Publication Date |
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| CN106707461A CN106707461A (en) | 2017-05-24 |
| CN106707461B true CN106707461B (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611016555.0A Active CN106707461B (en) | 2016-11-18 | 2016-11-18 | Flexible supporting device for light reflector |
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| CN (1) | CN106707461B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946813A (en) * | 2019-03-29 | 2019-06-28 | 中国科学院长春光学精密机械与物理研究所 | A kind of support device of small mirrors |
| CN110275271B (en) * | 2019-07-15 | 2021-09-14 | 北京遥感设备研究所 | Connecting structure of reflector and rotating shaft |
| CN110716274B (en) * | 2019-10-09 | 2021-09-10 | 中国航空工业集团公司洛阳电光设备研究所 | Low-stress conductive sealing assembly and adjustment device and method for aviation optical window |
| CN111123470B (en) * | 2020-01-16 | 2020-09-29 | 中国科学院西安光学精密机械研究所 | Large-caliber variable-azimuth reflector assembly adaptive to radial thermodynamic flexibility |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4533100A (en) * | 1981-04-03 | 1985-08-06 | R.E.O.S.C. (Recherches Et Etudes D'optique Et De Sciences Connexes) | Mounting device for supporting a component, especially a mirror or an antenna reflector in a spacecraft |
| CN102200623A (en) * | 2011-06-20 | 2011-09-28 | 北京空间机电研究所 | Micro-stress assembly flexible supporting method of small-calibre micro-crystal glass material reflector |
| CN103698873A (en) * | 2013-12-16 | 2014-04-02 | 中国科学院长春光学精密机械与物理研究所 | Rough and fine combined reflecting mirror attitude quantitative adjusting method and device |
| CN105093477A (en) * | 2015-09-17 | 2015-11-25 | 天津港东科技发展股份有限公司 | Reflecting mirror multidimensional adjusting device |
| CN105242373A (en) * | 2015-11-13 | 2016-01-13 | 长光卫星技术有限公司 | Space camera reflecting mirror center support device |
| CN105353495A (en) * | 2015-11-13 | 2016-02-24 | 中国科学院西安光学精密机械研究所 | Oval reflector supporting device and reflector assembly |
| CN205193334U (en) * | 2015-11-13 | 2016-04-27 | 中国科学院西安光学精密机械研究所 | Oval speculum strutting arrangement and reflector component |
| CN206193322U (en) * | 2016-11-18 | 2017-05-24 | 中国科学院西安光学精密机械研究所 | Flexible strutting arrangement of light speculum |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9958638B2 (en) * | 2013-09-13 | 2018-05-01 | Raytheon Company | Optimal kinematic mount for large mirrors |
-
2016
- 2016-11-18 CN CN201611016555.0A patent/CN106707461B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4533100A (en) * | 1981-04-03 | 1985-08-06 | R.E.O.S.C. (Recherches Et Etudes D'optique Et De Sciences Connexes) | Mounting device for supporting a component, especially a mirror or an antenna reflector in a spacecraft |
| CN102200623A (en) * | 2011-06-20 | 2011-09-28 | 北京空间机电研究所 | Micro-stress assembly flexible supporting method of small-calibre micro-crystal glass material reflector |
| CN103698873A (en) * | 2013-12-16 | 2014-04-02 | 中国科学院长春光学精密机械与物理研究所 | Rough and fine combined reflecting mirror attitude quantitative adjusting method and device |
| CN105093477A (en) * | 2015-09-17 | 2015-11-25 | 天津港东科技发展股份有限公司 | Reflecting mirror multidimensional adjusting device |
| CN105242373A (en) * | 2015-11-13 | 2016-01-13 | 长光卫星技术有限公司 | Space camera reflecting mirror center support device |
| CN105353495A (en) * | 2015-11-13 | 2016-02-24 | 中国科学院西安光学精密机械研究所 | Oval reflector supporting device and reflector assembly |
| CN205193334U (en) * | 2015-11-13 | 2016-04-27 | 中国科学院西安光学精密机械研究所 | Oval speculum strutting arrangement and reflector component |
| CN206193322U (en) * | 2016-11-18 | 2017-05-24 | 中国科学院西安光学精密机械研究所 | Flexible strutting arrangement of light speculum |
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| CN106707461A (en) | 2017-05-24 |
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