CN113219261B - Modular deployable antenna ground deployment test system, control method and application - Google Patents
Modular deployable antenna ground deployment test system, control method and application Download PDFInfo
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- CN113219261B CN113219261B CN202110330129.9A CN202110330129A CN113219261B CN 113219261 B CN113219261 B CN 113219261B CN 202110330129 A CN202110330129 A CN 202110330129A CN 113219261 B CN113219261 B CN 113219261B
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Abstract
The invention belongs to the technical field of satellite antennas, and discloses a ground expansion test system, a control method and application of a modularized expandable antenna, wherein a central support is positioned at the end focuses of two sliding guide rails and at the top of a control device; a sliding support is fixed on the sliding guide rail, and a rotating support is installed at the upper end of the sliding support. The invention adopts the lead frame to limit the direction of the control cable, and limits the position of the cable on the reel through the spiral line groove on the reel to ensure the same cable length release amount, thereby ensuring the synchronism of the antenna unfolding, and solving the contradiction between the difference of the space distances of the cable section output end of the reel and the connection point of the next layer of module and the same length of the control cable released by different layers of the reel due to the layering of the reel; due to the fact that the rotation support is adopted to adjust the support angle of the antenna in a real-time self-adaptive mode, the feasibility of the modularized deployable antenna in the ground for a deployment experiment is effectively verified, the experiment is convenient to complete, and the difficulty of the ground experiment is reduced.
Description
Technical Field
The invention belongs to the technical field of satellite antennas, and particularly relates to a ground expansion test system of a modularized expandable antenna, a control method and application.
Background
At present, a satellite-borne deployable antenna is an important component of a satellite structure, and with the development of aerospace industries such as aerospace science and technology, satellite communication, deep space exploration and the like, more and more requirements are put on the satellite-borne deployable antenna, mainly including requirements on aspects such as large caliber, light weight, small volume, stable deployment process and the like. The modularized space deployable antenna serving as a 'module splicing' deployable antenna undoubtedly plays an important role in the development of future satellite antennas, and an important link for researching the deployable antenna is how to carry out reasonable and effective ground experimental research.
The modularized deployable antenna using the compressed spring as a driving force source is different from deployable antennas using flexible cables such as peripheral trusses and the like to provide driving force, the spring has the characteristics that the spring always keeps the stretching trend in a compressed state and converts stored elastic potential energy into kinetic energy of mechanism unfolding motion, and an antenna back frame is always positioned on a changed space curved surface in the unfolding process based on the characteristics, and the like. The ground unfolding control scheme mainly controls the stable unfolding of the antenna by adding the winding wheel mechanism on the antenna module, and the rotary supporting mechanism is added in the unfolding control device to ensure the adaptation to the constantly-changed back frame curved surface of the antenna in the unfolding process. Harbin Industrial university (field Council. modularized space expandable antenna support truss design and experimental research [ D ]. Harbin Industrial university, 2011) establishes an antenna suspension truss to actually carry out ground expansion tests. Because the control cable is released by the reel and is directly connected to the next layer of module, because the reel adopts the layering arrangement, the control cable of connecting each module is located different layers respectively, because the height that each layer corresponds on the reel is different, can't guarantee that the control cable release end is the same rather than the spatial distance of corresponding module, the condition that exists to large-scale module and module piece together simultaneously, the hanging device all is difficult to establish, is subject to the restriction of place space, the height of antenna is too big simultaneously, be difficult to many-sided problems such as installation.
Through the above analysis, the problems and defects of the prior art are as follows: because the reel adopts the layering to arrange among the prior art, the control cable of connecting each module is located different layers respectively, because the height that each layer corresponds on the reel is different, can't guarantee that control cable release end is the same rather than the spatial distance that corresponds the module, exists simultaneously to large-scale module and under the condition that the module piece together, and the hanging device all is difficult to establish, is subject to the restriction in place space, and the height of antenna is too big simultaneously, is difficult to many-sided problem such as installation.
The difficulty in solving the above problems and defects is: it is difficult to ensure the uniformity of the amount of release of the control wire and thus the smoothness of the unwinding process because it is difficult to ensure the angle and amount of release of each control wire if the control wire is simply wound on the winding device without guidance and without limitation on the winding position, resulting in uneven unwinding of the antenna and uneven force of the control wire. Meanwhile, in the unfolding process, the back frame of each module is positioned on a changed space curved surface, and effective support is difficult to be applied to the antenna to get rid of the unfolding experiment of the suspension truss, because the height of the supporting point is changed all the time.
The significance of solving the problems and the defects is as follows: the stability of the antenna unfolding is guaranteed, the key problem of the antenna unfolding structure is solved, meanwhile, the support which is integrated with rotation and sliding is designed, the support can adapt to the change of the curved surface of the antenna unfolding, and great convenience is brought to the ground unfolding experiment.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a modular deployable antenna ground deployment test system, a control method and application. The invention can improve the synchronism of the antenna in the unfolding process and improve the over-high requirements of ground tests on space fields and antenna installation.
The invention is realized in such a way that a modular deployable antenna ground deployment test system is provided with a central support;
the central support is positioned at the end focuses of the two sliding guide rails and is positioned at the top of the control device;
a sliding support is fixed on the sliding guide rail, and a rotating support is installed at the upper end of the sliding support.
Furthermore, a central support lower end platform is fixed at the upper end of the central support, two connecting discs are installed on the side surface end face of the central support lower end platform, and the central support is connected with the sliding guide rail through the connecting discs;
the platform at the lower end of the central support is a polygon, and the number of sides and the included angle between the sides of the polygon are determined according to the number of modules of the modularized expandable antenna, the directions of the modules and the included angles between the modules.
Furthermore, a supporting side wall is fixed at the upper end of the central support, a platform at the upper end of the central support is fixed at the upper end of the supporting side wall, a rotating support is fixed at the upper end of the platform at the upper end of the central support, and lead frames are fixed at two ends of the bottom surface of the platform at the upper end of the central support.
Furthermore, the whole lead frame is a cube, protruding bosses are arranged on two sides of the lead frame, and fifth through holes are processed on the bosses;
a second clamp spring groove is processed in the fifth through hole and used for fixing a second miniature bearing, supporting a long shaft of the lead and freely rotating;
processing rectangular through holes on the side surface of the lead frame, and processing a row of sixth through holes on the upper end surface and the lower end surface of the lead frame; a third clamp spring groove is processed in the sixth through hole and used for placing a third miniature bearing to realize the free rotation of the short shaft of the lead;
the control rope is connected to the lead short shaft of one side of the lead from the lead long shaft of the lead frame on one side and connected to the lead short shaft on the other side, and finally output from the lead long shaft on the side, and the change of the direction of the control rope is realized through the difference of the lead short shafts which are penetrated by the lead frames on the two sides; and the friction and the abrasion to the control cable are reduced through the rotation of the long lead shaft around the second micro bearing and the rotation of the short lead shaft around the third micro bearing.
Further, install the motor on the support lateral wall, install the reel on the motor output shaft, reel surface machining has the helix.
Furthermore, a spiral line groove is machined in the side wall of the reel, and a rope is embedded in the spiral line groove.
Furthermore, the rotary support is provided with a first rotary support antenna end and a second rotary support end, and the first rotary support antenna end is connected with the second rotary support end;
the upper end of the first rotating support antenna end is provided with an upper end face, and the upper end face is provided with a second through hole; the second rotation supports the support end and is provided with down the terminal surface, is provided with the fourth through-hole on the terminal surface down.
Further, the first rotating support antenna end is used for being connected with the antenna module through a second through hole in the upper end face of the first rotating support antenna end; the second rotary supporting end is connected with the central supporting upper end platform and the supporting upright post of the sliding support through a fourth through hole on the lower end surface of the second rotary supporting end.
Furthermore, a counter bore is processed on a first through hole of the first rotating support antenna end and used for placing a micro bearing; the second rotating support supporting end is provided with a double-lug structure, and a third through hole is formed in the double-lug structure; first clamp spring grooves are processed on two sides of the connecting shaft, the connecting shaft penetrates through third through holes on the two sides, the connecting shaft is mounted on the second rotating support supporting end, the connecting shaft penetrates through a first through hole of the first rotating support antenna end and a bearing hole of the miniature bearing, the first rotating support antenna end is supported and can rotate around the connecting shaft, and the self-adaptive adjustment of the posture of the antenna in the unfolding process is achieved.
Furthermore, the sliding support consists of a support column, a sliding support bottom plate and a sliding bearing, and the support column is connected with the sliding support bottom plate through a through hole at the bottom end of the support column by bolts and nuts;
the four corners of the sliding support bottom plate are provided with four groups of through holes and connected with the mounting holes of the sliding bearings through bolts.
Another object of the present invention is to provide a control method of the modular deployable antenna ground deployment test system, including: the control cable is arranged on the reel, is connected to the sliding support through the adjustment of the lead frame, and is guided to the corresponding direction of the antenna module by the original control cable directly connected to the winding drum; meanwhile, the rotation angle of the rotation support changes in real time so as to meet the requirement of inclination of different degrees at each moment caused by real-time change of the curved surface of the antenna back frame when the antenna is unfolded;
the sliding guide rail corresponds to the unfolding track direction of the antenna module connected with the sliding support connected with the sliding guide rail, and the two control cables are guided by the wire winding wheel through the wire guide frame and connected with the sliding support; the rotating support is connected with the sliding support 5 and the central support, so that the supporting mechanism is ensured to meet the change of a space curved surface of the antenna in the unfolding process.
Another object of the present invention is to provide a satellite-borne deployable antenna, which uses the modular deployable antenna ground deployment test system.
By combining all the technical schemes, the invention has the advantages and positive effects that: the invention limits the direction of the control cable by adopting the lead frame, and limits the position of the cable on the reel by the spiral line groove on the reel to ensure the same cable length release amount, thereby ensuring the synchronism of the antenna unfolding, and solving the contradiction between the difference of the spatial distance between the cable section output end of the reel and the connection point of the next layer of module and the same length of the control cable released by different layers of the reel due to the layering of the reel. The invention adopts the rotary support to adjust the support angle of the antenna in real time in a self-adaptive manner, thereby effectively verifying the feasibility of the modular deployable antenna for performing a deployment experiment on the ground, facilitating the completion of the experiment and reducing the difficulty of the ground experiment.
Drawings
Fig. 1 is a schematic structural diagram of a modular deployable antenna ground deployment test system according to an embodiment of the present invention.
Fig. 2 is a schematic view of a center support structure provided in an embodiment of the present invention.
Fig. 3 is a schematic view of a reel structure according to an embodiment of the present invention.
Fig. 4 is a schematic view of a rotation support structure provided in an embodiment of the present invention.
Fig. 5 is a schematic diagram of a second rotary support-antenna end provided by an embodiment of the invention.
Fig. 6 is a schematic view of a first rotary supporting-supporting end according to an embodiment of the present invention.
Fig. 7 is a diagram illustrating a leadframe structure according to an embodiment of the invention.
Fig. 8 is a schematic view of a sliding support structure provided in an embodiment of the present invention.
Fig. 9 is an exploded view of a sliding support according to an embodiment of the present invention.
Fig. 10 is a schematic view of a slide rail according to an embodiment of the present invention.
Fig. 11 is a schematic view of the connection relationship between the sliding guide rail and the center support according to the embodiment of the present invention.
In the figure: 1. a central support; 2. rotatably supporting; 21. a first rotationally supported antenna end; 22. a second rotary support end; 211. a first through hole; 212. an upper end surface; 221. a double-lug structure; 222. a lower end face; 2111. a counter bore; 2121. a second through hole; 2211. a third through hole; 2221. a fourth via hole; 23. a micro-bearing; 24. a connecting shaft; 241. a first clamp spring groove; 3. a reel; 31. a helical line groove; 4. a lead frame; 41. a boss; 411. a fifth through hole; 4111. a second clamp spring groove; 42. a second micro-bearing; 43. supporting a long shaft of the lead; 44. a rectangular through hole; 45. a sixth through hole; 451. a third clamp spring slot; 46. a third micro-bearing; 47. a wire stub shaft; 5. sliding support; 51. a support pillar; 52. a sliding support base plate; 53. a sliding bearing; 6. a sliding guide rail; 11. a motor; 12. a central support upper end platform; 13. a center support lower end platform; 14. a support sidewall; 15. and (7) connecting the disc.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to solve the problems in the prior art, the invention provides a system, a control method and an application for testing the ground expansion of a modular expandable antenna, and the invention is described in detail with reference to the accompanying drawings.
Those skilled in the art of the present invention can also implement the steps of the present invention, and the present invention of fig. 1 is only one embodiment of the present invention.
As shown in fig. 1, in the ground expansion test system for the modular deployable antenna according to the embodiment of the present invention, a central support 1 is located at the end focus of two sliding rails 6, and the central support 1 is located at the top of a control device, and is used for supporting the central module of the modular deployable antenna during a ground test and connecting a motor 11, a reel 3, a lead frame 4, a sliding support 5 and the sliding rails 6.
A sliding support 5 is fixed on the sliding guide rail 6, and a rotating support 2 is arranged at the upper end of the sliding support 5, so that the antenna can rotate freely; the linear bearing 51 is mounted on the bottom of the slide support 5 and can slide freely on the slide rail 6.
As shown in fig. 2, the central support 1 provided in the embodiment of the present invention is a combined structure, and is connected to a plurality of main components of a modular deployable antenna ground deployment test system, a central support lower end platform 13 is fixed at the upper end of the central support 1, two connection pads 15 are installed on the side end faces of the central support lower end platform 13, and the central support 1 is connected to the sliding guide 6 through the connection pads 15, so that the connection between the central support 1 and the sliding guide 6 is realized, and the sliding support 5 is ensured to slide freely thereon.
A supporting side wall 14 is fixed at the upper end of the central support 1, a central support upper end platform 12 is fixed at the upper end of the supporting side wall 14, a rotating support 2 is fixed at the upper end of the central support upper end platform 12, and lead frames 4 are fixed at two ends of the bottom surface of the central support upper end platform 12. The supporting side wall 14 is used for connecting the central supporting upper end platform 12 and the central supporting lower end platform 13; the central support lower end platform 13 is processed into a polygon, and the number of sides and the included angle between the sides of the polygon are determined according to the number of modules of the modularized expandable antenna, the directions of the modules and the included angles between the modules.
The supporting side wall 14 is provided with a motor 11, the output shaft of the motor 11 is provided with a reel 3, and the surface of the reel 3 is processed with a spiral line; wherein the reel 3 is driven by a motor.
As shown in fig. 3, the side wall of the reel 3 provided by the embodiment of the present invention is formed with the spiral groove 31, the spiral groove 31 has a certain pitch and lead, and the rope can be embedded in the spiral groove 31 of the reel 3, so that the precise control of the amount of the released rope is ensured, and the precise and smooth control of the deployment process of the modular deployable antenna is realized.
As shown in fig. 4, the rotation support 2 provided by the embodiment of the present invention is provided with a first rotation support antenna end 21 and a second rotation support end 22, and the first rotation support antenna end 21 is connected with the second rotation support end 22; the upper end of the first rotation supporting antenna end 21 is provided with an upper end surface 212, and the upper end surface 212 is provided with a second through hole 2121; the second rotary support end 22 has a lower end surface 222, and the lower end surface 222 has a fourth through hole 2221. The first rotatably supported antenna end 21 is adapted to be connected to the antenna module through the second through hole 2121 in the upper end surface 212 thereof; the second rotary support end 22 is connected to the central support upper platform 12 and the support column 51 of the sliding support 5 through the fourth through hole 2221 of the lower end surface 222. A counter bore 2111 is processed on the first through hole 211 of the first rotation support antenna end 21 for placing the micro bearing 23, a double-lug structure 221 is processed on the second rotation support antenna end 22, a third through hole 2211 is processed on the counter bore, first clamp spring grooves 241 are processed on two sides of the connecting shaft 24, the connecting shaft 24 penetrates through the third through holes 2211 on the two sides, the mounting of the connecting shaft 24 on the second rotation support antenna end 22 is realized, the connecting shaft 24 penetrates through the first through hole 211 of the first rotation support antenna end 21 and a bearing hole of the micro bearing 23, the first rotation support antenna end 21 is supported and can be rotated around the connecting shaft 24, and the self-adaptive adjustment of the posture of the antenna in the unfolding process is realized.
As shown in fig. 7, the lead frame 4 according to the embodiment of the present invention is a cube, and has protruding bosses 41 on two sides, a fifth through hole 411 is formed in the boss 41, and a second clamp spring groove 4111 is formed in the fifth through hole 411 for fixing a second micro bearing 42 and supporting a long lead shaft 43 to rotate freely; a rectangular through hole 44 is processed on the side surface of the lead frame 4, a row of sixth through holes 45 are processed on the upper end surface and the lower end surface of the lead frame, and a third clamp spring groove 451 is processed in the sixth through holes 45 and used for placing a third miniature bearing 46 to realize the free rotation of a lead short shaft 47; the control rope is connected to the lead minor axis 47 of one side of the lead frame 4 from the lead major axis 43 of the lead frame 4 and connected to the lead minor axis 47 of the other side of the lead frame 4, and finally is output from the lead major axis 43 of the side of the lead frame, the direction of the control rope can be changed by the difference of the lead minor axes 47 of the lead frames 4 passing through the two sides of the lead frame, and the friction and the abrasion of the control rope are reduced by the rotation of the lead major axis 43 around the second micro bearing 42 and the lead minor axis 47 around the third micro bearing 46.
As shown in fig. 8 and 9, the sliding support 5 provided by the embodiment of the present invention is composed of a supporting column 51, a sliding support base plate 52, and a sliding bearing 53, wherein the supporting column 51 is connected with the sliding support base plate 52 through a through hole 511 at the bottom end thereof by a bolt and a nut; the second rotary supporting end 22 is connected with the through hole 512 at the upper end thereof by bolts and nuts; four sets of through holes 512 are formed at four corners of the sliding support base plate 52 and are connected with the mounting holes of the sliding bearings 53 through bolts.
As shown in fig. 10-11, the sliding guide 6 provided by the embodiment of the present invention is connected with the central support 1 to ensure the antenna unfolding orientation; the connection to the sliding support 5 ensures free unfolding of the antenna in its unfolding direction.
The working principle of the invention is as follows: the control cable is arranged on the reel, is connected to the sliding support through the adjustment of the lead frame, and guides the original control cable directly connected to the winding drum to the corresponding direction of the antenna module, so that the spatial distances between the release end of the control cable and the connection module of the control cable are equal, and the unfolding synchronism of the antenna is further ensured. Meanwhile, the rotation angle of the rotation support changes in real time, so that the inclination of the antenna back frame at different degrees at each moment caused by the real-time change of the curved surface of the antenna back frame when the antenna is unfolded is met.
The sliding guide rails 6 correspond to the unfolding track direction of the antenna module connected with the sliding support 5 connected with the sliding guide rails, the two control cables are guided by the reel 3 through the lead frame 4 to be connected with the sliding support 5, the direction and the release amount of the control cables are ensured, the unfolding of the antenna is stably controlled, the rotating support 2 is connected with the sliding support 5 and the central support 1, and the support mechanism is ensured to meet the change of a space curved surface of the antenna in the unfolding process.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A modular deployable antenna ground deployment test system, characterized in that it is provided with:
a central support;
the central support is positioned at the end focuses of the two sliding guide rails and is positioned at the top of the control device;
a sliding support is fixed on the sliding guide rail, and a rotating support is installed at the upper end of the sliding support; a central support lower end platform is fixed at the upper end of the central support, two connecting discs are mounted on the end face of the side face of the central support lower end platform, and the central support is connected with the sliding guide rail through the connecting discs;
the platform at the lower end of the central support is a polygon, and the number of sides and the included angle between the sides of the polygon are determined according to the number of modules of the modularized expandable antenna, the directions of the modules and the included angles between the modules;
a support side wall is fixed at the upper end of the central support, a central support upper end platform is fixed at the upper end of the support side wall, a rotating support is fixed at the upper end of the central support upper end platform, and lead frames are fixed at two ends of the bottom surface of the central support upper end platform;
the whole lead frame is a cube, two sides of the lead frame are provided with extending bosses, and fifth through holes are processed on the bosses;
a second clamp spring groove is processed in the fifth through hole and used for fixing a second miniature bearing, supporting a long shaft of the lead and freely rotating;
processing rectangular through holes on the side surface of the lead frame, and processing a row of sixth through holes on the upper end surface and the lower end surface of the lead frame; a third clamp spring groove is processed in the sixth through hole and used for placing a third miniature bearing to realize the free rotation of the short shaft of the lead;
the control rope is connected to the lead short shaft of one side of the lead from the lead long shaft of the lead frame on one side, connected to the lead short shaft of the other side and finally output on the lead long shaft on the other side, and the change of the direction of the control rope is realized through the difference of the lead short shafts which are penetrated by the lead frames on the two sides; the friction and the abrasion to the control cable are reduced through the rotation of the long lead shaft around the second miniature bearing and the short lead shaft around the third miniature bearing;
a motor is mounted on the supporting side wall, a winding wheel is mounted on an output shaft of the motor, and a spiral line is processed on the surface of the winding wheel;
a spiral line groove is processed on the side wall of the reel, and a rope is embedded in the spiral line groove;
the rotary support is provided with a first rotary support antenna end and a second rotary support end, and the first rotary support antenna end is connected with the second rotary support end;
the upper end of the first rotating support antenna end is provided with an upper end face, and the upper end face is provided with a second through hole; the second rotation supports the support end and is provided with down the terminal surface, is provided with the fourth through-hole on the terminal surface down.
2. The modular deployable antenna floor deployment test system of claim 1, wherein the first rotatably supported antenna end is adapted to be coupled to the antenna module through a second through-hole in an upper end surface thereof; the second rotary support supporting end is connected with the central support upper end platform and the support upright post of the sliding support through a fourth through hole on the lower end surface of the second rotary support supporting end;
a counter bore is processed on a first through hole of the first rotating support antenna end and used for placing a miniature bearing; the second rotating support supporting end is provided with a double-lug structure, and a third through hole is formed in the double-lug structure; first clamp spring grooves are processed on two sides of the connecting shaft, the connecting shaft penetrates through third through holes on the two sides, the connecting shaft is mounted on the second rotating support end, the connecting shaft penetrates through a first through hole of the first rotating support antenna end and a bearing hole of the miniature bearing, the first rotating support antenna end is supported and can rotate around the connecting shaft, and the self-adaptive adjustment of the posture of the antenna in the unfolding process is realized;
the sliding support consists of a support column, a sliding support bottom plate and a sliding bearing, and the support column is connected with the sliding support bottom plate through a through hole at the bottom end of the support column by bolts and nuts;
the four corners of the sliding support bottom plate are provided with four groups of through holes and connected with the mounting holes of the sliding bearings through bolts.
3. A control method for a modular deployable antenna ground deployment test system as claimed in any one of claims 1 to 2, wherein the control method for the modular deployable antenna ground deployment test system comprises: the control cable is arranged on the reel, is connected to the sliding support through the adjustment of the lead frame, and is guided to the corresponding direction of the antenna module by the original control cable directly connected to the winding drum; meanwhile, the rotation angle of the rotation support changes in real time so as to meet the requirement of inclination of different degrees at each moment caused by real-time change of the curved surface of the antenna back frame when the antenna is unfolded;
the sliding guide rail corresponds to the unfolding track direction of the antenna module connected with the sliding support connected with the sliding guide rail, and the two control cables are guided by the wire winding wheel through the wire guide frame and connected with the sliding support; the rotating support is connected with the sliding support and the central support, so that the supporting mechanism is ensured to meet the change of a space curved surface of the antenna in the unfolding process.
4. A satellite-borne deployable antenna, wherein the satellite-borne deployable antenna uses the modular deployable antenna ground deployment test system of any one of claims 1-2.
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| US5787671A (en) * | 1994-09-28 | 1998-08-04 | Nippon Telegraph And Telephone Corp. | Modular deployable antenna |
| CN102050409B (en) * | 2010-12-06 | 2013-03-20 | 西安电子科技大学 | Hoisting system of large-sized extensible antenna |
| CN102904001A (en) * | 2012-10-26 | 2013-01-30 | 哈尔滨工业大学 | Foldable and expandable module and curved-surface truss antenna supporting mechanism using same |
| RU176230U1 (en) * | 2016-12-27 | 2018-01-12 | федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный технический университет имени Н.Э. Баумана (национальный исследовательский университет)" (МГТУ им. Н.Э. Баумана) | Knot of tension of the cables forming the reflecting surface of the network of a deployable space antenna reflector |
| CN109421945B (en) * | 2017-08-31 | 2021-07-20 | 天津大学 | Accurate synchronous gravity compensation system of annular antenna capable of being expanded in space |
| CN109540198B (en) * | 2018-10-17 | 2022-02-22 | 南京航空航天大学 | Parabolic cylinder antenna unfolding reflecting surface ground test equipment |
| CN109659701B (en) * | 2018-12-17 | 2021-07-30 | 西北工业大学 | Truss type synchronous deployable antenna |
| CN109659662B (en) * | 2019-01-28 | 2020-05-15 | 中国电子科技集团公司第三十八研究所 | Telescopic arm type antenna unfolding mechanism |
| CN110542801A (en) * | 2019-09-19 | 2019-12-06 | 利为技术(深圳)有限公司 | Shielding-free antenna test system |
| CN111952710B (en) * | 2020-09-25 | 2022-08-30 | 西安电子科技大学 | Framework type deployable antenna deployment control device |
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