CN112485954A - Heat dissipation flexible supporting leg for installation and adjustment of large space camera - Google Patents
Heat dissipation flexible supporting leg for installation and adjustment of large space camera Download PDFInfo
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- CN112485954A CN112485954A CN202011427108.0A CN202011427108A CN112485954A CN 112485954 A CN112485954 A CN 112485954A CN 202011427108 A CN202011427108 A CN 202011427108A CN 112485954 A CN112485954 A CN 112485954A
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- China
- Prior art keywords
- large space
- space camera
- mounting panel
- heat
- installation
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/561—Support related camera accessories
Abstract
A heat dissipation flexible supporting leg for installation and adjustment of a large space camera belongs to the technical field of ground integration of space cameras. The invention solves the defects of complex structure, poor assembly repeatability and the like of multiple parts of the existing heat dissipation structure, and can not effectively solve the problem that the thermal deformation of a tool in the assembly and adjustment process of a large-scale camera affects the imaging quality of a system. Correspond between first mounting panel and two second mounting panels through two sets of bracing piece structure rigid couplings, bracing piece structure includes braced frame and two connecting plates, braced frame is the rectangle structure and arranges, and corresponds between two end plates of braced frame and first mounting panel and the second mounting panel through the connecting plate rigid coupling. Rigidity weakening is respectively carried out on two groups of supporting rod structures of the supporting legs, limited release is carried out on the spatial degree of freedom, and the flexible heat dissipation effect is realized.
Description
Technical Field
The invention relates to a heat-dissipation flexible supporting leg for installation and adjustment of a large space camera, and belongs to the technical field of ground integration of space cameras.
Background
When the ground of the long-focus large-caliber off-axis three-phase inverter is installed and adjusted, the camera installation and adjustment tool is deformed due to the influence of environmental temperature change, thermal stress generated by thermal deformation is directly transferred to the camera, the surface shape quality and the relative position precision of an optical element of the camera are influenced, and the imaging quality of the camera is reduced.
A main supporting structure for a large-scale space remote sensor in the prior art adopts a Hexapod supporting form and comprises 6 rods and 12 connecting points, wherein 6 points are supported by spherical hinges, 6 points are supported by Hooke hinges, and the influence of thermal deformation on the space remote sensor is eliminated by the rotation of the spherical hinges at two ends of each supporting rod. Or the flexible structure combining the double supporting rods and the unloading groove is adopted to unload the thermal deformation of the satellite, so that the thermal deformation isolation of the satellite between the remote sensors is realized, and the remote sensors are effectively protected. However, the heat dissipation forms have the defects of complex structure, poor assembly repeatability and the like of parts. The influence of thermal deformation of the tool on the imaging quality of the system in the process of assembling and adjusting the large-scale camera cannot be effectively overcome.
Disclosure of Invention
The invention aims to solve the defects of complex part structures, poor assembly repeatability and the like of the conventional heat dissipation structure and cannot effectively overcome the problem that the imaging quality of a system is influenced by the thermal deformation of a tool in the assembly and adjustment process of a large-scale camera, and further provides a heat dissipation flexible supporting leg for the assembly and adjustment of a large-scale space camera.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a large-scale space camera is installed and transferred and is used flexible landing leg that disappears, it includes that the first mounting panel of horizontal arrangement, level are arranged in first mounting panel below and about two second mounting panels of first mounting panel central point position symmetrical arrangement and are two sets of bracing piece structure of splayed symmetrical arrangement, wherein correspond between first mounting panel and two second mounting panels through two sets of bracing piece structure rigid couplings, bracing piece structure includes braced frame and two connecting plates, braced frame is the rectangle structural arrangement, and corresponds between two end plates of braced frame and first mounting panel and the second mounting panel through the connecting plate rigid coupling.
Furthermore, two end plates of the supporting frame and the connecting plates fixedly connected with the end plates are arranged perpendicularly to each other.
Furthermore, each supporting frame comprises two first supporting plates and two second supporting plates which are symmetrically arranged in pairs, the two connecting plates are correspondingly and vertically fixedly connected with the two second supporting plates, and each connecting plate and the two first supporting plates are vertically arranged.
Further, two connecting plates in each group of supporting rod structures are coaxially arranged.
Furthermore, a plurality of mounting holes are processed on the first mounting plate and the second mounting plate.
Furthermore, a weight reduction groove is machined in the middle of the top end of the first mounting plate.
Furthermore, the heat-dissipation flexible supporting leg is made of titanium alloy.
Further, the included angle formed between the two sets of support bar structures is 60 °.
Compared with the prior art, the invention has the following effects:
this application carries out the weakening of rigidity respectively on two sets of bracing piece structures of landing leg, carries out limited release on the space degree of freedom, realizes flexible heat dissipation effect.
The method is suitable for the ground installation and adjustment process of the large space camera and the ground installation and adjustment process of the large off-axis non-axisymmetric space camera, and the ground installation and adjustment temperature environment adaptability of the large ground camera is high.
This application effectively blocks the conduction that environment thermal change caused frock thermal stress to the camera at camera installation and debugging in-process, improves large-scale off-axis camera installation and debugging precision greatly. The flexible supporting leg adopts a conventional machining method and has good manufacturability.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a main cross-sectional schematic view of the present application;
FIG. 3 is a schematic diagram of the present application as applied to a large off-axis three-inverter assembly.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 3, and a heat dissipation flexible leg for installation and adjustment of a large space camera includes a first mounting plate 1 horizontally arranged, two second mounting plates 2 horizontally arranged below the first mounting plate 1 and symmetrically arranged about the center of the first mounting plate 1, and two sets of support rod structures symmetrically arranged in a splayed shape, wherein the first mounting plate 1 and the two second mounting plates 2 are fixedly connected by two sets of support rod structures, each support rod structure includes a support frame 3 and two connecting plates 4, the support frame 3 is arranged in a rectangular structure, and two end plates of the support frame 3 are fixedly connected with the first mounting plate 1 and the second mounting plate 2 by the connecting plates 4. When being applied to the installation and adjustment of the large-scale off-axis three-phase inverter, the heat dissipation flexible supporting legs are selected to be annularly and uniformly distributed on the camera installation ground, the second installation plate 2 of each heat dissipation flexible supporting leg is connected with the camera installation and adjustment tool 101 through screws, and the first installation plate 1 is connected with the camera 100.
Six degrees of freedom of the camera are restrained by the three heat dissipation flexible supporting legs, and the heat dissipation flexible supporting legs adapt to thermal stress caused by environmental temperature change in the assembling and adjusting process through deformation of the heat dissipation flexible supporting legs, so that the surface quality and the position accuracy of the optical element are effectively guaranteed. This application carries out the weakening of rigidity respectively according to hinge heat dissipation mechanism's rationale, carries out limited release on the space degree of freedom at the structural two sets of bracing pieces of landing leg, realizes flexible heat dissipation effect. The supporting leg structure is made of titanium alloy materials, simple machining and aging processes can be adopted, and complex assembling processes of complex hinge mechanisms are avoided. In the machining process, firstly, the shape of the heat-dissipating flexible support leg is machined, secondly, the heat treatment process is carried out, and finally, the flatness of the mounting surface is processed according to the procedures strictly, so that all geometric tolerances and form and position tolerances are guaranteed to meet the design requirements.
The flexible landing leg that disappears of this application includes two-layer flexible link, and the flexible link of first layer includes two connecting plates 4 in every group bracing piece structure, and the flexible link of second floor includes braced frame 3 in every group bracing piece structure. The two layers of flexible links form a cross-shaped flexible device which is perpendicular to each other, and the middle part of each supporting frame 3 forms a cavity structure. The support legs rotate around the Y axis and linearly displace along the X axis and the Z axis through the first layer of flexible links; and the support legs rotate around the X axis and linearly displace along the Y axis and the Z axis through the second layer of flexible links. When the camera assembly and adjustment tool generates thermal deformation due to the change of the environmental temperature in the camera assembly and adjustment process, the flexible supporting legs can unload thermal stress, the assembly and adjustment precision of the large off-axis three-phase inverter is improved, and the imaging quality of the camera is ensured.
The end surface about this application mainly processes appearance structure and numerical control lathe processing through the wire cut. And through strict heat treatment process, the thermal stability of the support legs is ensured, and the three support legs also need to be subjected to installation coplanarity trimming, so that the influence caused by installation unevenness is reduced.
The method is suitable for the ground installation and adjustment process of the large space camera and the ground installation and adjustment process of the large off-axis non-axisymmetric space camera, and the ground installation and adjustment temperature environment adaptability of the large ground camera is high.
This application effectively blocks the conduction that environment thermal change caused frock thermal stress to the camera at camera installation and debugging in-process, improves large-scale off-axis camera installation and debugging precision greatly. The flexible supporting leg adopts a conventional machining method and has good manufacturability.
Two end plates of the supporting frame 3 and the connecting plate 4 which is correspondingly and fixedly connected with the two end plates are arranged vertically.
Every braced frame 3 all includes two first backup pads 31 and two second backup pads 32 that two liang of symmetric arrangements, and two connecting plates 4 correspond and two second backup pads 32 perpendicular rigid couplings, and all perpendicular mutual dispositions between every connecting plate 4 and two first backup pads 31.
Two connecting plates 4 in each group of supporting rod structures are coaxially arranged.
A plurality of mounting holes 11 are processed on the first mounting plate 1 and the second mounting plate 2.
The top middle part of the first mounting plate 1 is provided with a lightening groove 12. The contact area of the first mounting plate 1 and the connection is reduced, and the heat conduction between the camera and the assembling and adjusting tool is effectively isolated. The lightening grooves 12 are machined by a numerical control lathe.
The heat-dissipation flexible supporting leg is made of titanium alloy. The titanium alloy material has smaller heat conductivity, and further isolates heat conduction between the camera and the assembling and adjusting tool.
The included angle formed between the two sets of support bar structures is 60 degrees.
Claims (8)
1. The utility model provides a large-scale space camera installation and debugging are with flexible landing leg that disappears which characterized in that: it includes that first mounting panel (1), the level of horizontal arrangement arrange in first mounting panel (1) below and about two second mounting panels (2) of first mounting panel (1) central point symmetrical arrangement and be two sets of bracing piece structure of splayed symmetrical arrangement, wherein correspond between first mounting panel (1) and two second mounting panels (2) through two sets of bracing piece structure rigid couplings, bracing piece structure includes braced frame (3) and two connecting plates (4), braced frame (3) are the rectangle structure and arrange, and correspond between two end plates of braced frame (3) and first mounting panel (1) and second mounting panel (2) through connecting plate (4) rigid coupling.
2. The heat-dissipating flexible leg for large space camera installation and retrieval of claim 1, wherein: two end plates of the supporting frame (3) and the connecting plates (4) which are correspondingly and fixedly connected with the two end plates are mutually and vertically arranged.
3. A heat dissipating flexible leg for installation and adjustment of a large space camera according to claim 1 or 2, characterized in that: every braced frame (3) all includes two first backup pads (31) and two second backup pads (32) that two liang of symmetrical arranged, and two connecting plates (4) correspond and two perpendicular rigid couplings of second backup pad (32), and all mutually perpendicular arrange between every connecting plate (4) and two first backup pads (31).
4. The heat-dissipating flexible leg for large space camera installation and retrieval of claim 1, wherein: two connecting plates (4) in each group of supporting rod structures are coaxially arranged.
5. A heat dissipating flexible leg for large space camera installation and retrieval as claimed in claim 1, 2 or 4 wherein: a plurality of mounting holes (11) are processed on the first mounting plate (1) and the second mounting plate (2).
6. A heat dissipating flexible leg for large space camera installation and retrieval as claimed in claim 1, 2 or 4 wherein: a weight-reducing groove (12) is machined in the middle of the top end of the first mounting plate (1).
7. The heat-dissipating flexible leg for large space camera installation and retrieval of claim 1, wherein: the heat-dissipation flexible supporting leg is made of titanium alloy.
8. The heat-dissipating flexible leg for large space camera installation and retrieval of claim 1, wherein: the included angle formed between the two sets of support bar structures is 60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427108.0A CN112485954A (en) | 2020-12-09 | 2020-12-09 | Heat dissipation flexible supporting leg for installation and adjustment of large space camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427108.0A CN112485954A (en) | 2020-12-09 | 2020-12-09 | Heat dissipation flexible supporting leg for installation and adjustment of large space camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112485954A true CN112485954A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011427108.0A Pending CN112485954A (en) | 2020-12-09 | 2020-12-09 | Heat dissipation flexible supporting leg for installation and adjustment of large space camera |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115145095A (en) * | 2022-06-30 | 2022-10-04 | 中国科学院长春光学精密机械与物理研究所 | One-way labyrinth type composite flexible structure |
Citations (4)
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| JP2011075643A (en) * | 2009-09-29 | 2011-04-14 | Alps Electric Co Ltd | Camera module and method for assembling the same |
| CN102506826A (en) * | 2011-10-31 | 2012-06-20 | 中国科学院长春光学精密机械与物理研究所 | Connection device and method for large-size off-axis TMA (three-mirror-anastigmat) space camera and satellite platform |
| CN204009191U (en) * | 2014-06-06 | 2014-12-10 | 苏州华徕光电仪器有限公司 | A kind of heavy caliber principal reflection mirror flexible support structure |
| CN105650196A (en) * | 2016-03-28 | 2016-06-08 | 长光卫星技术有限公司 | Bipod flexible vibration reduction supporting structure for space optical camera |
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2020
- 2020-12-09 CN CN202011427108.0A patent/CN112485954A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011075643A (en) * | 2009-09-29 | 2011-04-14 | Alps Electric Co Ltd | Camera module and method for assembling the same |
| CN102506826A (en) * | 2011-10-31 | 2012-06-20 | 中国科学院长春光学精密机械与物理研究所 | Connection device and method for large-size off-axis TMA (three-mirror-anastigmat) space camera and satellite platform |
| CN204009191U (en) * | 2014-06-06 | 2014-12-10 | 苏州华徕光电仪器有限公司 | A kind of heavy caliber principal reflection mirror flexible support structure |
| CN105650196A (en) * | 2016-03-28 | 2016-06-08 | 长光卫星技术有限公司 | Bipod flexible vibration reduction supporting structure for space optical camera |
Non-Patent Citations (2)
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| 王辰忠等: "空间引力波望远镜主反射镜系统的结构设计优化", 《红外与激光工程》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115145095A (en) * | 2022-06-30 | 2022-10-04 | 中国科学院长春光学精密机械与物理研究所 | One-way labyrinth type composite flexible structure |
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Application publication date: 20210312 |