CN108011174B - Sliding type unfolding method and system suitable for large-size space fixed-surface antenna - Google Patents
Sliding type unfolding method and system suitable for large-size space fixed-surface antenna Download PDFInfo
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- CN108011174B CN108011174B CN201711209619.3A CN201711209619A CN108011174B CN 108011174 B CN108011174 B CN 108011174B CN 201711209619 A CN201711209619 A CN 201711209619A CN 108011174 B CN108011174 B CN 108011174B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
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Abstract
The invention discloses a sliding type unfolding system suitable for a large-scale space fixed surface antenna, which comprises a fixed surface antenna, a driving sliding system, an unlocking device and a locking mechanism, wherein the fixed surface antenna is a plane or cylindrical paraboloid after being unfolded and is formed by laminating a plurality of equally divided panels; the unlocking device comprises an interlayer unlocking device, a transition block and an inter-plate unlocking device; the locking mechanism is an inter-plate locking mechanism, all panels are connected through the inter-plate locking mechanism after being unfolded, the rope winding drum is installed at one end of the panel at the lowest layer, the motor drives the rope winding drum to rotate, and the rope winding drum, the steel wire rope and the fixed pulley form a series connection driving system. The invention adopts the serial connection type sequential unfolding, breaks through the traditional hinge type unfolding mode, reduces the folding space to adapt to the carrying envelope, and has the characteristics of small overall envelope, less driving sources, weak locking impact and high locking rigidity.
Description
Technical Field
The invention relates to the technical field of space large-scale solid-surface antenna unfolding methods, in particular to a sliding type unfolding method and system suitable for a space large-scale solid-surface antenna.
Background
In the existing space antenna, the flexible film antenna has high storage ratio but low profile precision; the surface of the fixed-surface antenna has high surface precision but is difficult to store and unfold. For the requirement of high-resolution microwave detection, a large-scale solid antenna is the only choice, if the original hinge unfolding mode is adopted, the folded envelope exceeds the carrying envelope limit, and particularly for a cylindrical parabolic antenna, the problems of storage and unfolding are urgently needed to be solved.
Disclosure of Invention
Aiming at the technical problem, the invention provides a sliding type unfolding method and a sliding type unfolding system suitable for a large-size space fixed-surface antenna.
The invention is realized by the following technical scheme:
a sliding type unfolding system suitable for a large-size space fixed-surface antenna comprises the fixed-surface antenna, a driving sliding system, an unlocking device and a locking mechanism, wherein the fixed-surface antenna is a plane or cylindrical paraboloid after being unfolded and is formed by laminating a plurality of equally divided panels, and the driving sliding system comprises a motor, a steel wire rope, a rope winding drum, a fixed pulley, a roller and a transition block; the unlocking device comprises an interlayer unlocking device, a transition block and an inter-plate unlocking device; the locking mechanism adopts an inter-plate locking mechanism, the panels are connected with each other through an inter-plate unlocking device and the inter-plate locking mechanism, the inter-plate unlocking device and the inter-plate locking mechanism are respectively connected with the panels through transition blocks, the rope winding drum is installed at one end of the panel at the lowest layer, the motor drives the rope winding drum to rotate, the winding and unwinding of the steel wire rope are realized, and the rope winding drum, the steel wire rope and the fixed pulley form a series connection driving system.
Preferably, the inter-plate locking mechanism adopts a high-rigidity locking device to ensure the fundamental frequency and the surface precision after the inter-plate locking mechanism is locked.
The invention also provides a sliding type unfolding method suitable for the large-scale space fixed-surface antenna, based on the unfolding system, the initial state is that the lowest layer panel is fixedly connected with the star body, the second layer panel drives the upper panel to move forward under the driving of the steel wire rope, when the second layer panel is locked with the first layer panel, the third layer panel drives the upper panel to move forward again, and so on.
The invention has the following beneficial effects:
the cylindrical parabolic antenna is driven by a motor and a steel wire rope, and sequentially unfolded in series, so that the traditional hinge type unfolding mode is broken, the folding mode can be changed particularly for the cylindrical parabolic antenna, and the folding space is reduced to adapt to carrying envelope; and a high-rigidity locking device is adopted to improve the locked fundamental frequency and ensure the surface precision. The method has the characteristics of small overall envelope, few driving sources, weak locking impact and high locking rigidity.
Drawings
Fig. 1 is an initial schematic diagram of a sliding deployment method suitable for a large-scale space solid-surface antenna according to the present invention.
Fig. 2 is a state diagram of the stages of the slipping deployment method of the present invention.
Fig. 3 is a flow chart of the slipping deployment method of the present invention.
Detailed Description
To explain the technical content, structural features, achieved objects and effects of the present invention in detail, the following description will take three-layer plate as an example with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention provides a sliding type deployment system suitable for a large spatial fixed-surface antenna, including a fixed-surface antenna, a driving sliding system, an unlocking device and a locking mechanism, where the fixed-surface antenna is a flat or cylindrical paraboloid after being deployed and is formed by stacking a plurality of equally-divided panels, and the driving sliding system includes a motor, a steel wire rope, a rope-winding drum, a fixed pulley, a roller and a transition block; the unlocking device comprises an interlayer unlocking device, a transition block and an inter-plate unlocking device; the locking mechanism adopts an inter-plate locking mechanism, the panels are connected with each other through an inter-plate unlocking device and the inter-plate locking mechanism, the inter-plate unlocking device and the inter-plate locking mechanism are respectively connected with the panels through transition blocks, the rope winding drum is installed at one end of the panel at the lowest layer, the motor drives the rope winding drum to rotate, the winding and unwinding of the steel wire rope are realized, and the rope winding drum, the steel wire rope and the fixed pulley form a series connection driving system. The inter-plate locking mechanism adopts a high-rigidity locking device to ensure the fundamental frequency and the surface precision after the locking.
As shown in fig. 2-3, the embodiment of the present invention further provides a sliding deployment method suitable for a large-scale space solid-surface antenna, based on the deployment system,
initially, the first layer plate 91 is fixedly connected with the transition block 51 through the unlocking device 81, the second layer plate 92 is fixedly connected with the transition block 52 through the unlocking device 82, the third layer plate 93 is fixedly connected with the transition block 53 through the locking mechanism unlocking device 83, and meanwhile, the layer plates are fixed through the inter-plate unlocking devices 71 and 72.
After receiving the unfolding instruction, the unlocking device 71 unlocks, the motor 1 drives the steel wire rope winding drum 2 to rotate, the steel wire rope 3 is wound, and a series connection driving system is formed by the steel wire rope winding drum and the pulley 4. The second layer 92 carries the third layer 93 along by means of the rollers 6 in the guide of the first layer 91.
When the second layer plate 92 moves to the falling position, the unlocking device 81 is triggered to unlock, the transition block 51 carries the second layer plate 92 and the third layer plate 93 to move downwards together under the driving of the steel wire rope, and after the second layer plate 92 and the third layer plate 93 reach the designated position, the locking mechanism 101 is triggered to lock the first layer plate 91 and the second layer plate 92 together.
Meanwhile, the unlocking device 72 unlocks, and the third layer plate 93 moves forwards under the drive of the steel wire rope 3, and the process is repeated. After the third plate 93 is locked in place, the motor 1 stops rotating. The entire deployment process is complete.
In conclusion, by the novel sliding type unfolding method, hinge type folding and unfolding of the fixed surface antenna are avoided, the compression ratio of the fixed surface antenna is effectively improved, and a new idea is provided for accommodating and unfolding the large fixed surface antenna and meeting high-precision detection.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (3)
1. A sliding type unfolding system suitable for a large-size spatial fixed surface antenna is characterized by comprising the fixed surface antenna, a driving sliding system, an unlocking device and a locking mechanism, wherein the fixed surface antenna is a plane or cylindrical paraboloid after being unfolded and is formed by laminating a plurality of equally divided panels, and the driving sliding system comprises a motor, a steel wire rope, a rope winding drum, a fixed pulley, a roller and a transition block; the unlocking device comprises an interlayer unlocking device, a transition block and an inter-plate unlocking device; the locking mechanism is an inter-plate locking mechanism, the panels are connected with each other through inter-plate unlocking devices and the inter-plate locking mechanism, the inter-plate unlocking devices and the inter-plate locking mechanism are connected with the panels through transition blocks respectively, the rope winding drum is installed at one end of the panel at the lowest layer, the motor drives the rope winding drum to rotate, the winding and unwinding of the steel wire rope are achieved, and the rope winding drum, the steel wire rope and the fixed pulley form a series connection driving system.
2. The sliding deployment system for the spatially large-sized fixed-surface antenna according to claim 1, wherein the inter-plate locking mechanism employs a high-rigidity locking device to ensure the fundamental frequency and the surface accuracy after locking.
3. A sliding type unfolding method suitable for a large-scale space fixed-surface antenna,
the initial state is that the lowest layer of panel is fixedly connected with the star body, the second layer of panel drives the upper plate to move forward under the drive of the steel wire rope, after the second layer of panel is locked with the first layer of panel, the third layer of panel drives the upper plate to move forward again, and so on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711209619.3A CN108011174B (en) | 2017-11-27 | 2017-11-27 | Sliding type unfolding method and system suitable for large-size space fixed-surface antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711209619.3A CN108011174B (en) | 2017-11-27 | 2017-11-27 | Sliding type unfolding method and system suitable for large-size space fixed-surface antenna |
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| Publication Number | Publication Date |
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| CN108011174A CN108011174A (en) | 2018-05-08 |
| CN108011174B true CN108011174B (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711209619.3A Active CN108011174B (en) | 2017-11-27 | 2017-11-27 | Sliding type unfolding method and system suitable for large-size space fixed-surface antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102552094B1 (en) * | 2018-12-05 | 2023-07-06 | 현대자동차주식회사 | Advanced Four Point Fixation Type Seat Belt and Vehicle Thereby |
| CN115411486A (en) * | 2022-08-05 | 2022-11-29 | 南京航空航天大学 | Two-dimensional unfolding mechanism and method based on solid-surface antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000059122A (en) * | 1998-08-06 | 2000-02-25 | Nippon Telegr & Teleph Corp <Ntt> | Expansion type planar structure device |
| JP2012090253A (en) * | 2010-09-24 | 2012-05-10 | Nihon Univ | Deployable phased-array antenna |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2455311B (en) * | 2007-12-04 | 2012-08-01 | Europ Agence Spatiale | Deployable panel structure |
| CN106628256A (en) * | 2017-01-20 | 2017-05-10 | 银河航天（北京）科技有限公司 | Solar wing device |
| CN107013641B (en) * | 2017-05-04 | 2019-05-31 | 北京航空航天大学 | A kind of socket joint type Zhan Shou mechanism rope drives tensioning apparatus and its control method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000059122A (en) * | 1998-08-06 | 2000-02-25 | Nippon Telegr & Teleph Corp <Ntt> | Expansion type planar structure device |
| JP2012090253A (en) * | 2010-09-24 | 2012-05-10 | Nihon Univ | Deployable phased-array antenna |
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| CN108011174A (en) | 2018-05-08 |
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