CN103354303B - Expandable mesh parabolic cylinder antenna - Google Patents
Expandable mesh parabolic cylinder antenna Download PDFInfo
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- CN103354303B CN103354303B CN201310234093.XA CN201310234093A CN103354303B CN 103354303 B CN103354303 B CN 103354303B CN 201310234093 A CN201310234093 A CN 201310234093A CN 103354303 B CN103354303 B CN 103354303B
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Abstract
The invention discloses an expandable mesh parabolic cylinder antenna, and mainly solves problems of large storage volume and low surface precision in the prior art. The expandable mesh parabolic cylinder antenna is composed of an expansion mechanism (1), a mesh surface supporting mechanism (2), flexible cables (3) and a wire mesh (4). The mesh surface supporting mechanism (2) is symmetrically installed on both sides of the expansion mechanism (1). The flexible cables (3) are interlaced on the mesh surface supporting mechanism. The wire mesh (4) is disposed on the flexible cables (3). During folding up, the expansion mechanism is retracted along a straight line; the mesh surface supporting mechanism is folded up and retracted on both sides of the expansion mechanism; and the flexible cables and the wire mesh are retracted in remaining space of the mesh surface supporting mechanism. During expansion, the expansion mechanism is expanded along a straight line; the mesh surface supporting mechanism is stretched towards both sides of the expansion mechanism (1); and the flexible cables tighten and support the wire mesh (4) so as to form a parabolic cylindrical surface. The expandable mesh parabolic cylinder antenna has the advantages of small storage volume and high surface precision, and can be used for searching targets in the air and measuring target azimuths.
Description
Technical field
The invention belongs to satellite antenna technical field, particularly a kind of expandable mesh parabolic cylinder antenna, can be applicable to Airborne Search target and measure azimuth of target.
Background technology
In the satellite communication in future, wireless broadcast system, earth observation, land remote sensing, the field such as survey of deep space and deep space communication, satellite antenna is absolutely necessary one of key equipment.In order to meet the needs such as multi-functional, multiband, Large Copacity, high-power, long-life, satellite antenna is inevitably tending towards heavy caliber, but in order to compress transport space, reduce sending cost, satellite antenna need be made foldable.
Traditional parabolic-cylinder antenna is made up of metal or metallized paraboloidal reflecting surface, is supported by support member, and structural entity size and quality are comparatively large, directly should not apply to satellite antenna.The parabolic-cylinder antenna of expansion form is adopted mostly to be gas-filled unfolded or extensible solid surface formula.Wherein, paraballon adopts the form of inflation structure to be launched to put in place, extensible solid surface formula adopts shape memory polymer material to drive as expansion, although these two kinds of structures reduce storage volume, but there is identical shortcoming, namely profile precision is general not as good as netted deployable reflecting surface antenna, and meanwhile, the stability of paraballon is also not as good as netted deployable reflecting surface antenna.
Netted deployable reflecting surface antenna structure mainly contains following two kinds of forms:
One is similar to umbrella-shaped structure, and this structure is applicable to the structure of reflecting surface rotational forming more, as parabolic antenna, is not suitable for the structure of reflecting surface drawing and forming, as cylinder antenna.
Another kind is expandable truss structure, and this structure utilizes a large amount of expandable truss unit, forms support frame, then lay wire netting by chain connection on support frame.Expandable truss structure can one-dimensional development, or circularizes and launch.This structure can only provide the one degree of freedom of parabolic-cylinder antenna, namely overall one-dimensional development.The form of this single degree of freedom cannot form parabolic cylinder.
Summary of the invention
The object of the invention is to the deficiency overcoming above-mentioned prior art, propose a kind of expandable mesh parabolic cylinder antenna, to improve the profile precision of antenna, reduce antenna and draw volume in.
Realizing the object of the invention technical conceive is: combined with expandable truss cellular construction by the umbrella-shaped structure in netted deployable antenna structure, namely the expansion adopting the hinged rib deployed configuration in umbrella-shaped structure to realize wire side is shaping, adopts expandable truss structure to realize the expansion of antenna.Whole antenna comprises:
Development mechanism, wire side supporting mechanism, flexible cable, woven wire, this woven wire is fixed in flexible cable, it is characterized in that:
Described development mechanism, adopts one dimension expanded truss, realizes gathering and the expansion of antenna;
Described wire side supporting mechanism, comprises m hinged rib expanding unit, and these hinged rib expanding unit symmetries are arranged on the both sides of development mechanism, form the skeleton of support metal silk screen, m >=4;
Described flexible cable, staggered is arranged on wire side supporting mechanism, the cylindrical parabolic shape needed for assistant metal wire mesh shape becomes.
Above-mentioned expandable mesh parabolic cylinder antenna, is characterized in that: described one dimension expanded truss, comprises m the long rib of unit, the short rib of a m unit, 2m-4 longitudinal connecting rod and 2m individual five to joint;
Each longitudinal connecting rod comprises a front longitudinal rod, longitudinal rod and a synchronous connector after one, and front longitudinal rod is connected by synchronous connector with rear longitudinal rod, and front longitudinal rod and rear longitudinal rod rotate around synchronous connector; Each five to joint, has the tie point in five directions, i.e. downside contact, right side connection, front side contact, rear side contact, left side connection, these tie points are connected respectively a long rib of unit, short rib of unit, longitudinal rod, a front longitudinal rod and a connection rib after one; Every four five form a planar rectangular element to joint by two long ribs of unit and two short ribs of unit, all planar rectangular elements are connected by longitudinal connecting rod, and front longitudinal rod rotates to contact on rear side of joint around five, rear longitudinal rod rotates around front side contact, forms the folded truss that can carry out drawing in Yu launching.
Above-mentioned expandable mesh parabolic cylinder antenna, it is characterized in that: each synchronous connector, be made up of roller gear joint, roller gear joint and clamping plate, and Boards wall is in the both sides of roller gear joint and roller gear joint, can realize the synchronous axial system of front longitudinal rod and rear longitudinal rod.
Above-mentioned expandable mesh parabolic cylinder antenna, it is characterized in that: each five to the front side contact of joint, rear side contact place has truss to drive torsion spring and truss guide vane end stop, and this truss drives torsion spring to launch to provide actuating force for folded truss, and this truss guide vane end stop is in order to limit the spread of folded truss.
Above-mentioned expandable mesh parabolic cylinder antenna, is characterized in that: described five adopt integrative-structure to joint, and downside contact and the long rib of unit, right side connection all adopts axis hole to be connected with the short rib of unit; Front side contact and rear longitudinal rod, rear side contact and front longitudinal rod, left side connection and connection rib all adopt pin to be connected.
Above-mentioned expandable mesh parabolic cylinder antenna, is characterized in that: each hinged rib expanding unit, comprises a connection rib, an articulated joint and a bifurcation word rib; Connection rib is connected by articulated joint with bifurcation word rib, rotates around articulated joint; Connection rib is connected with deployed configuration to the contact of joint by five simultaneously, and connection rib rotates to the contact of joint around five;
Described articulated joint and connection rib junction are provided with hinged rib and drive torsion spring and hinged rib guide vane end stop, and this hinged rib drives torsion spring to provide actuating force for the expansion of hinged rib expanding unit, and this hinged rib guide vane end stop is in order to limit slewing area;
Described connection rib and five is provided with connection rib to the contact junction of joint and drives torsion spring and connection rib guide vane end stop, and this connection rib drives torsion spring to provide actuating force for the expansion of wire side supporting mechanism, and this hinged rib guide vane end stop is in order to limit wire side supporting mechanism slewing area;
Described bifurcation word rib and connection rib all have some apertures, in order to bundle flexible cable.
Above-mentioned expandable mesh parabolic cylinder antenna, is characterized in that: described flexible cable, and comprise m root supporting cables, n root adjustment rope and n-2n/m+m-2 root and indulge supporting cables, n is the integral multiple of m, and is not 0; Every root supporting cables, successively through two of bifurcation word rib end, is tied to articulated joint place from five to joint everywhere; Every root adjustment rope is connected between supporting cables and hinged rib expanding unit, forms some flexible cable tie points in the junction of adjustment rope and supporting cables; Every root is indulged supporting cables and is connected between flexible cable tie point corresponding in adjacent hinge rib expanding unit.
The present invention compared with prior art tool has the following advantages:
1. the present invention is owing to adopting the form of hinged rib expanding unit and one dimension expanded truss, and the two all can draw expansion in, only occupies less space when drawing in, and compared to the solid face parabolic-cylinder antenna of comparable size, storage volume significantly reduces, and sends cost and is reduced.
2. the present invention is owing to adopting the form of wire side supporting construction and flexible cable structure, applying adjustment power by adjustment rope to supporting cables can make supporting cables arrive ideal position, thus enable the reflecting surface of the woven wire formation be fixed in flexible cable reach higher precision, compared to paraballon and the extensible solid surface antenna of same size, profile precision gets a promotion.
Accompanying drawing explanation
Fig. 1 is overall deployed configuration schematic diagram of the present invention;
Fig. 2 is the one dimension expanded truss structural representation in the present invention;
Fig. 3 is the longitudinal connecting rod structural representation in the present invention;
Fig. 4 is that five in the present invention is to joint annexation schematic diagram;
Fig. 5 is the wire side supporting construction schematic diagram in the present invention;
Fig. 6 is the articulated joint annexation schematic diagram in the present invention;
Fig. 7 is that entirety of the present invention draws schematic diagram in.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
With reference to Fig. 1, the present invention includes development mechanism 1, wire side supporting mechanism 2, flexible cable 3, woven wire 4.Wherein: wire side supporting mechanism 2, comprise m hinged rib expanding unit 21, m >=4, and m is even number, this example gets m=8, and these hinged rib expanding unit 21 symmetries are arranged on the both sides of development mechanism 1; What flexible cable 3 was staggered is arranged on wire side supporting mechanism 2, and woven wire 4 is fixed in flexible cable 3; Development mechanism 1, adopts one dimension expanded truss, as shown in Figure 2.
With reference to Fig. 2, one dimension expanded truss of the present invention comprises m the long rib of unit 11, the short rib of a m unit 12,2m-4 longitudinal connecting rod 13 and 2m individual five to joint 14.Wherein: the structure of each longitudinal connecting rod 13 as shown in Figure 3, each five to joint 14 structure as shown in Figure 4.
As shown in Figure 3, longitudinal connecting rod 13 comprises longitudinal rod 132 and a synchronous connector 133 after a front longitudinal rod 131.Synchronous connector 133 is made up of about a pair roller gear joint and clamping plate 133c, and clamping plate 133c is fixed on the both sides of left roller gear joint 133a and right roller gear joint 133b, is used for connecting and fixing synchromesh gear; Longitudinal rod 131 before roller gear joint 133a adopts axis hole to connect, longitudinal rod 132 after roller gear joint 133b adopts axis hole to connect, there is the angle of 150 ~ 180 degree at roller gear joint 133a and 133b place, to ensure that front longitudinal rod 131 and rear longitudinal rod 132 do synchronous plane around fixing axis and rotate.
As shown in Figure 4, five to be processed as one structure to joint 14, there is downside contact 141, right side connection 142, front side contact 143, rear side contact 144, the tie point in these five directions of left side connection 145, five do not design syndeton on the upside of joint, can empty to alleviate joint quality, these tie points are connected respectively a long rib 11 of unit, a short rib 12 of unit, longitudinal rod 132 after one, a front longitudinal rod 131 and a connection rib 211, the wherein connection of the long rib 11 of unit and downside contact 141, the short rib 12 of unit all adopts axis hole to connect with the connection of right side connection 142, connect the rear long rib 11 of unit to downside contact 141 without relative movement or rotation, the short rib of unit 12 pairs of right side connection 142 are without relative movement or rotation, the connection of rear longitudinal rod 132 and front side contact 143, front longitudinal rod 131 all adopts pin to connect with the connection of rear side contact 144, and rear longitudinal rod 132 can rotate around pin axis with front longitudinal rod 131, pin is equipped with truss and drives torsion spring 15, for the expansion of one dimension expanded truss 1 provides actuating force, front side contact 143 and rear side contact 144 place are provided with truss guide vane end stop 146, with limit rear longitudinal rod 132 with front longitudinal rod 131 relative to five to the anglec of rotation of joint 14, make it rotate in the scope of 0 ~ 90 degree, connection rib 211 adopts pin to be connected with left side connection 145 place, connection rib 211 can rotate around pin axis, pin is equipped with connection rib and drives torsion spring 215, for the expansion of wire side supporting mechanism 2 provides actuating force, left side connection 145 place is with connection rib guide vane end stop 217, with limit connection rib 211 relative to five the expanded angle to joint 14, make it rotate in the scope of 0 ~ 90 degree.
Four five connections to joint 14 and two long ribs of unit 11 and two short ribs 12 of unit can form a planar rectangular element, and five are positioned at the corner point of rectangle to joint 14, and the long rib of unit 11 and the short rib of unit 12 lay respectively at long limit and the minor face place of rectangle; Linearly be parallel to each other each planar rectangular element placement, and every two adjacent planar rectangular elements are connected by four longitudinal connecting rods 13, each longitudinal connecting rod 13 adopts pin to connect five of correspondence on two planar rectangular elements to joint, composition one dimension expanded truss.This example has four planar rectangular elements, and the longitudinal connecting rod of these four common mistakes of planar rectangular element 12 connects, and forms a truss mechanism linearly launched.
With reference to Fig. 5, wire side development mechanism 2 of the present invention comprises 8 hinged rib expanding unit 21, each hinged rib expanding unit 21 comprises 211, the articulated joint 212 of a connection rib and a bifurcation word rib 213, bifurcation word rib 213 and connection rib 211 all have some apertures, in order to the binding of flexible cable 3, these 8 hinged rib expanding unit 21 are divided into two groups, what 4 often in group hinged rib expanding unit 21 adopted pin to be parallel to each other is connected to five on joint 14, is distributed in the outside of the long rib 11 of unit in development mechanism.Flexible cable 3 of the present invention comprises m root supporting cables 31, n root adjustment rope 32 and n-2n/m+m-2 root and indulges supporting cables 33, n is the integral multiple of m, and is not 0, and the number adjusting rope in theory obtains more, more be conducive to the surface accuracy improving woven wire, this example gets n=48.Woven wire 4 of the present invention is sewn on supporting cables 31 and vertical supporting cables 33, shaping gradually along with the expansion of hinged rib expanding unit 21.
Every root supporting cables 31 is connected in a hinged rib expanding unit 21, and from five to joint 14, successively through two of bifurcation word rib 213 end, be tied to articulated joint 212 place, supporting cables 31 is for support metal silk screen 4.Each hinged rib expanding unit 21 there is the six roots of sensation adjust rope 32, tie up between supporting cables 31 and hinged rib expanding unit 21, the connection of six roots of sensation adjustment rope 32 one end and supporting cables 31, form six flexible cable tie points, the other end is tied to connection rib 211 with on bifurcation word rib 213, adjustment rope 32, for stretch support rope 31, makes it approach desirable parabolic shape; Every six roots of sensation is indulged between every two adjacent hinge rib expanding unit 21 that supporting cables 33 is in above-mentioned two groups of hinged rib expanding unit, ties up on the flexible cable tie point of these two hinged rib expanding unit 21 correspondences, for support metal silk screen 4.
As shown in Figure 6, one end of each articulated joint adopts pin to be connected with bifurcation word rib 213, the other end adopts pin to be connected with connection rib 211, bifurcation word rib 211 and connection rib 213 all can rotate around pin axis, hinged rib torsion spring 214 pin is equipped with, for the expansion of hinged rib expanding unit 21 provides actuating force, the hinged rib guide vane end stop 216 of articulated joint lower belt can limit the expanded angle between bifurcation word rib 211 and connection rib 213, makes in its scope being in 0 ~ 150 degree.
With reference to Fig. 7, operation principle of the present invention is as follows:
During gathering, longitudinal connecting rod 13 between adjacent rectangle unit is along planar rectangular element diagonal place plane to truss folded inside, angle between front longitudinal rod 131 and rear side contact 144 reduces gradually, angle between rear longitudinal rod 132 and front side contact 143 reduces gradually, distance between adjacent plane rectangular element reduces gradually, until adjacent plane rectangular element is close to overlapping, complete the gathering of development mechanism 1 with this; Now, carry out the gathering of wire side supporting construction 2, angle between bifurcation word rib 213 and connection rib 211 reduces gradually, angle between connection rib 211 and left side connection 145 reduces gradually, bifurcation word rib 213 both sides of drawing in expanded truss folding with connection rib 211, supporting cables 31, adjustment rope 32, vertical supporting cables 33 and woven wire 4 all draw at truss, and the clearance spaces between rib, completes the gathering of wire side supporting construction 2 with this.
During expansion, the longitudinal connecting rod 13 between adjacent rectangle unit, along planar rectangular element diagonal place plane to truss external opening, until truss guide vane end stop 146 plays position-limiting action to front longitudinal rod 131 with rear longitudinal rod 132, completes the expansion of development mechanism 1 with this; Bifurcation word rib 213 and connection rib 211 are deployed in the both sides of expanded truss, until connection rib guide vane end stop 217 pairs of connection ribs 211 play position-limiting action, bifurcation word rib 213 and connection rib 211 arrive maximum expanded angle, the expansion of wire side supporting construction 2 is completed with this, now, flexible cable 3 is tightened, and wire side forms required parabolic cylinder.
Claims (9)
1. an expandable mesh parabolic cylinder antenna, comprise development mechanism (1), wire side supporting mechanism (2), flexible cable (3), woven wire (4), this woven wire (4) is fixed in flexible cable (3), it is characterized in that:
Described development mechanism (1), adopts one dimension expanded truss, realizes gathering and the expansion of antenna,
Described wire side supporting mechanism (2), comprise m hinged rib expanding unit (21), these hinged rib expanding unit symmetries are arranged on the both sides of development mechanism (1), form the skeleton of support metal silk screen (4), m >=4, and m is even number;
Described flexible cable (3), staggered is arranged on wire side supporting mechanism (2), the cylindrical parabolic shape needed for assistant metal net (4) is formed;
Described one dimension expanded truss, comprises m the long rib of unit (11), the short rib of a m unit (12), 2m-4 longitudinal connecting rod (13) and 2m individual five to joint (14);
Each longitudinal connecting rod (13) comprises a front longitudinal rod (131), longitudinal rod (132) and a synchronous connector (133) after one, front longitudinal rod (131) is connected by synchronous connector (133) with rear longitudinal rod (132), and front longitudinal rod (131) and rear longitudinal rod (132) rotate around synchronous connector (133);
Each five to joint (14), there is the tie point in five directions, i.e. downside contact (141), right side connection (142), front side contact (143), rear side contact (144), left side connection (145), these tie points are connected respectively a long rib of unit (11), short rib of unit (12), longitudinal rod (132), a front longitudinal rod (131) and a connection rib (211) after one;
Every four five form a planar rectangular element to joint (14) by two long ribs of unit (11) and two short ribs of unit (12), all planar rectangular elements are connected by longitudinal connecting rod (13), and front longitudinal rod (131) rotates to contact (144) on rear side of joint around five, rear longitudinal rod (132) rotates around front side contact (143), forms the folded truss that can carry out drawing in Yu launching.
2. expandable mesh parabolic cylinder antenna according to claim 1, is characterized in that:
Each synchronous connector (133), be made up of the first roller gear joint (133a), the second roller gear joint (133b) and clamping plate (133c), and clamping plate (133c) are fixed on the both sides of the first roller gear joint (133a) and the second roller gear joint (133b), the synchronous axial system of front longitudinal rod (131) and rear longitudinal rod (132) can be realized.
3. expandable mesh parabolic cylinder antenna according to claim 1, is characterized in that:
Each five to the front side contact (143) of joint (14), rear side contact (144) place has truss to drive torsion spring (15) and truss guide vane end stop (146), and this truss drives torsion spring (15) to provide actuating force for folded truss expansion.This truss guide vane end stop (146) is in order to limit the spread of folded truss.
4. expandable mesh parabolic cylinder antenna according to claim 1, is characterized in that:
Described five adopt integrative-structure to joint (14), and downside contact (141) and the long rib of unit (11), right side connection (142) and the short rib of unit (12) all adopt axis hole to be connected; Front side contact (143) and rear longitudinal rod (132), rear side contact (144) and front longitudinal rod (131), left side connection (145) all adopts to sell with connection rib (21) and is connected.
5. expandable mesh parabolic cylinder antenna according to claim 1, is characterized in that:
Each hinged rib expanding unit (21), comprises a connection rib (211), an articulated joint (212) and a bifurcation word rib (213);
Connection rib (211) is connected by articulated joint (212) with bifurcation word rib (213), rotates around articulated joint (212);
Connection rib (211) is connected with deployed configuration (1) to the contact (145) of joint by five simultaneously, and connection rib (211) rotates to the contact (145) of joint around five.
6. expandable mesh parabolic cylinder antenna according to claim 5, is characterized in that:
Articulated joint (212) and connection rib (211) junction are provided with hinged rib and drive torsion spring (214) and hinged rib guide vane end stop (216), this hinged rib drives torsion spring (214) to provide actuating force for the expansion of hinged rib expanding unit, and this hinged rib guide vane end stop (216) is in order to limit slewing area.
7. expandable mesh parabolic cylinder antenna according to claim 5, is characterized in that:
Connection rib (211) and five is provided with connection rib to contact (145) junction of joint and drives torsion spring (215) and connection rib guide vane end stop (217), this connection rib drives torsion spring (215) to provide actuating force for the expansion of wire side supporting mechanism (2), and this hinged rib guide vane end stop (217) is in order to limit wire side supporting mechanism (2) slewing area.
8. cylinder antenna according to claim 5, is characterized in that: bifurcation word rib (213) and connection rib (211) all have some apertures, in order to bundle flexible cable (3).
9. expandable mesh parabolic cylinder antenna according to claim 1, is characterized in that:
Described flexible cable (3), comprise m root supporting cables (31), n root adjustment rope (32) and n-2n/m+m-2 root and indulge supporting cables (33), n is the integral multiple of m, and is not 0;
Every root supporting cables (31), from five to joint (15), successively through two of bifurcation word rib (213) end, is tied to articulated joint (212) place;
Every root adjustment rope (32) is connected between supporting cables (31) and hinged rib expanding unit (21), forms some flexible cable tie points in the junction of adjustment rope and supporting cables;
Every root is indulged supporting cables (33) and is connected between the upper corresponding flexible cable tie point of adjacent hinge rib expanding unit (21).
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| CN201310234093.XA CN103354303B (en) | 2013-06-13 | 2013-06-13 | Expandable mesh parabolic cylinder antenna |
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| CN201310234093.XA CN103354303B (en) | 2013-06-13 | 2013-06-13 | Expandable mesh parabolic cylinder antenna |
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| CN103354303B true CN103354303B (en) | 2015-04-08 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104009278B (en) * | 2014-06-09 | 2016-08-24 | 哈尔滨工业大学 | A kind of modular space parabolic cylinder folding exhibition antenna mechanism |
| CN104201481B (en) * | 2014-09-12 | 2016-08-24 | 哈尔滨工业大学 | A kind of scissor coordinated type Zhe Zhan parabolic-cylinder antenna mechanism |
| CN104648694B (en) * | 2015-02-04 | 2017-01-11 | 浙江大学 | Torsion spring driven moonlet borne expandable plane structure and mounting method thereof |
| CN105390793B (en) * | 2015-11-19 | 2018-08-07 | 西安空间无线电技术研究所 | A kind of band self-locking function folding exhibition truss |
| CN107230818B (en) * | 2017-04-28 | 2019-08-02 | 湖南航天环宇通信科技股份有限公司 | Deployable solid face reflecting antenna |
| CN107482322B (en) * | 2017-07-26 | 2020-03-17 | 西安电子科技大学 | Expandable parabolic cylinder antenna based on tension structure |
| CN107436978B (en) * | 2017-07-26 | 2020-10-02 | 西安电子科技大学 | Design method of parabolic cylinder net-shaped deployable antenna based on modular splicing idea |
| CN107959102B (en) * | 2017-12-20 | 2024-03-26 | 星展测控科技股份有限公司 | Support frame, vice subassembly, torsional spring, offset feed antenna exhibition receipts mechanism |
| CN108767490B (en) * | 2018-04-10 | 2020-11-20 | 西安电子科技大学 | Expandable antenna device with truss-supported flexible rib parabolic cylinder |
| CN109167178B (en) * | 2018-08-30 | 2020-08-14 | 西安空间无线电技术研究所 | Unfolding mechanism of parabolic cylinder antenna reflector with high storage ratio |
| CN110120575B (en) * | 2019-05-11 | 2020-10-16 | 西安电子科技大学 | Expandable parabolic cylinder antenna based on hinged rib structure |
| CN112531319B (en) * | 2020-11-30 | 2021-09-21 | 西北工业大学 | Construction method of multisection expansion arm of satellite-borne mesh antenna |
| CN112713379B (en) * | 2020-12-08 | 2021-11-12 | 西安电子科技大学 | Deployable antenna adopting Y-shaped rib cable net parabolic cylinder, control method and application |
| CN113488759B (en) * | 2021-07-20 | 2022-07-15 | 西安电子科技大学 | Linear truss type deployable parabolic cylinder antenna mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2165535Y (en) * | 1993-08-12 | 1994-05-18 | 四川省电子工业发展总公司 | Household self-stress spoke net paraboloid antenna |
| CN201233963Y (en) * | 2008-07-30 | 2009-05-06 | 中国航天科技集团公司第五研究院第五○四研究所 | Locking and releasing device for architecture type expandable antenna reflector |
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