CN104466341A - Spherical antenna supporting mechanism - Google Patents
Spherical antenna supporting mechanism Download PDFInfo
- Publication number
- CN104466341A CN104466341A CN201410538119.4A CN201410538119A CN104466341A CN 104466341 A CN104466341 A CN 104466341A CN 201410538119 A CN201410538119 A CN 201410538119A CN 104466341 A CN104466341 A CN 104466341A
- Authority
- CN
- China
- Prior art keywords
- scissor
- hinged
- variation
- common
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a spherical antenna supporting mechanism. An existing metal mesh surface type antenna supporting mechanism is low in rigidity, unit mechanisms are complex and multiple folding and unfolding can not be achieved. A center sliding block is in threaded connection with a sliding lead screw; ordinary scissors poles at one ends of five first altered scissors fork assemblies are hinged to a center fixing block, limiting scissors poles at the same ends are hinged to the center sliding block, and ordinary scissors poles and limiting scissors poles at the other ends are hinged with first-level folding and unfolding hinged columns; one ordinary scissors fork unit of each second-level folding and unfolding mechanism is hinged to a first-level folding and unfolding hinged column on one first altered scissors fork assembly, one second altered scissors fork unit of each second-level folding and unfolding mechanism is spherically hinged to the first-level folding and unfolding hinged column on another adjacent first altered scissors fork assembly, and the other second altered scissors fork unit of each second-level folding and unfolding mechanism is hinged to another ordinary scissors fork unit of the adjacent second-level folding and unfolding mechanisms through two second-level folding and unfolding hinged columns. The spherical antenna supporting mechanism can be folded and unfolded repeatedly, and is good in rigidity and high in unfolding precision.
Description
Technical field
The invention belongs to aerospace field, relate to a kind of metal wire side formula antenna supporting mechanism, be specifically related to a kind of spherical antenna supporting mechanism.
Background technology
Space Deployable antenna is the important component part of spacecraft structure, is the important physical platform directly performing satellite function, is all widely used in fields such as mobile communication, radio astronomy, earth observation and military surveillances.Wherein, no matter wire netting surface antenna all has better characteristic in storage rate, surface accuracy, expansion bore and operating frequency etc., has been widely used in each generic task of space flight.Antenna supporting mechanism is the backrest part of space deployable antenna, for support metal reflector net, holding structure precision and maintenance structural stability.At present, existing metal wire side formula antenna supporting mechanism exists that rigidity is lower, basic cell structure is complicated, processing, manufacture, assembling and precision regulating cycle long, and the operation on orbit stage cannot realize repeatedly folding and the defect such as expansion.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide a kind of spherical antenna supporting mechanism, this spherical antenna supporting mechanism can realize repeating folding exhibition, folding than large, integral rigidity good, it is high to repeat precision of expansion; And can globally extend Zhe Zhan mechanism according to actual needs.
The present invention includes driving mechanism, one-level Zhe Zhan mechanism, one-level folding exhibition articulated column, secondary Zhe Zhan mechanism and secondary folding exhibition articulated column.
Described driving mechanism comprises lead screw, harmonic speed reducer, motor and spacecraft celestial body connecting plate; Described motor is fixed on spacecraft celestial body connecting plate, and is connected with brake; The output shaft of motor and the input of harmonic speed reducer are fixed; Output and the lead screw of described harmonic speed reducer are fixed.
Described one-level Zhe Zhan mechanism comprises central slider, center fixed block and the first variation scissor assembly; Described central slider is threaded with lead screw, and center fixed block and lead screw are fixed; The first described variation scissor assembly comprises two the first variation scissor unit that end is hinged; What the first variation scissor unit comprised that middle part is hinged commonly cuts bar and spacingly cuts bar, and spacing bar of cutting is provided with guide vane end stop; Five first variation scissor assemblies are uniformly distributed along the circumference; The common Jian Ganyu center fixed block of each first variation scissor assembly one end is hinged, cuts bar and central slider is hinged with one end spacing; Each first variation scissor assembly other end common cuts bar and spacing bar of cutting all is hinged with one-level folding exhibition articulated column; Each be hinged on common cut one-level folding exhibition articulated column on bar by two skew cables respectively be hinged on the make a variation spacing one-level of cutting on bar of scissor assembly of adjacent both sides first and roll over and open up articulated column and be connected.
Described secondary Zhe Zhan mechanism comprises center articulated column, and be uniformly distributed along the circumference four secondary scissor assemblies and two second variation scissor assemblies; Described secondary scissor assembly comprises two common scissor unit that end is hinged; Common scissor unit comprises that be hinged two, middle part is common cuts bar; The second described variation scissor assembly comprises common scissor unit and the second variation scissor unit of the mutual ball-joint in end; Second variation scissor unit comprises two arranged in a crossed manner and scalablely cuts bar assembly; Described scalable bar assembly of cutting comprises sleeve, spring and sliding bar; Described sliding bar is connected by sliding pair with sleeve; Described spring is arranged in sleeve, and one end and sleeve are fixed, and the other end and sliding bar are fixed; Liang Ge center articulated column is setting up and down, and with the common scissor unit of four secondary scissor assembly one end and the common scissor unit of two the second scissor assemblies that make a variation all hinged.
Five secondary Zhe Zhan mechanisms are uniformly distributed along the circumference; The common scissor unit of the secondary scissor assembly other end that each secondary Zhe Zhan mechanism is arranged inwardly and one first one-level made a variation on scissor assembly roll over that to open up articulated column hinged; Second variation scissor unit of one the second variation scissor assembly that each secondary Zhe Zhan mechanism is arranged inwardly and another adjacent first one-level made a variation on scissor assembly are rolled over and are opened up articulated column ball-joint; Each secondary folding exhibition organization establishes rolls at the second variation scissor unit of another the second variation scissor assembly of side and two secondarys that to open up articulated column hinged; Two secondarys folding exhibition articulated columns in each secondary Zhe Zhan mechanism and adjacent secondary roll over that to open up organization establishes hinged at the common scissor unit of another secondary scissor assembly other end of side, and are rolled over adjacent two one-levels respectively by two skew cables be crisscross arranged and open up articulated column and be connected; The common scissor unit of all the other two secondary scissor assembly other ends that each secondary Zhe Zhan mechanism is arranged outwardly is rolled over respectively by two skew cables be crisscross arranged and adjacent two secondarys and is opened up articulated column and be connected; Two skew cables by being crisscross arranged between the common scissor unit of two secondary scissor assembly other ends that each secondary Zhe Zhan mechanism is arranged outwardly connect.
The common scissor unit of two secondary scissor assembly other ends that each secondary Zhe Zhan mechanism is arranged outwardly also can open setting, for connecting three Ji Zhezhan mechanisms.
Beneficial effect of the present invention:
1, the present invention is driven by single power source, and overall structure is spherically symmetrical, uses simple, can realize repeating folding exhibition, and globally can extend Zhe Zhan mechanism further according to actual needs.
2, to draw rear volume in little in the present invention, and quality is light, launch and after drawing in the folding ratio of volume large, be about 40 ~ 50.
3, brake of the present invention and spacingly cut the effect that bar plays limitation locking, and in conjunction with suspension cable, make integral rigidity better, repeat precision of expansion high.
4, the present invention utilizes scissor-type mechanism as elementary cell, and quality is light, structure is simple, and processing, manufacture, assembling and precision regulating cycle are short.
Accompanying drawing explanation
Fig. 1 is the overall structure stereogram of the present invention when launching;
Fig. 2 is the overall structure stereogram of the present invention when drawing in;
Fig. 3 is the partial enlarged drawing at A place in Fig. 1;
Fig. 4 is the stereogram of driving mechanism in the present invention;
Fig. 5 is the transmission principle figure of driving mechanism in the present invention;
Stereogram when Fig. 6 is one-level folding exhibition mechanism deploying in the present invention;
Fig. 7 is stereogram when one-level Zhe Zhan mechanism draws in the present invention;
Fig. 8 is the assembling stereogram of the first variation scissor assembly and central slider and center fixed block in the present invention;
Stereogram when Fig. 9 is secondary folding exhibition mechanism deploying in the present invention;
Figure 10 is stereogram when secondary Zhe Zhan mechanism draws in the present invention;
Figure 11 is the assembling stereogram of secondary scissor assembly and center articulated column in the present invention;
Figure 12 is the structural perspective of common scissor unit;
Figure 13 is scalable structural perspective of cutting bar assembly in the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1,2 and 3, a kind of spherical antenna supporting mechanism, comprises driving mechanism, one-level Zhe Zhan mechanism 1, one-level folding exhibition articulated column 7, secondary Zhe Zhan mechanism 10 and secondary folding exhibition articulated column 11.
As Fig. 1,2, shown in 4 and 5, driving mechanism comprises lead screw 2, harmonic speed reducer 3, motor 5 and spacecraft celestial body connecting plate 6; Motor 5 is fixed on spacecraft celestial body connecting plate 6, and is connected with brake 4; The output shaft of motor 5 and the input of harmonic speed reducer 3 are fixed; Output and the lead screw 2 of harmonic speed reducer 3 are fixed.
As Fig. 1,4,6, shown in 7 and 8, one-level Zhe Zhan mechanism 1 comprises central slider 1-1, center fixed block 1-2 and the first variation scissor assembly; Central slider 1-1 is threaded with lead screw 2, and center fixed block 1-2 and lead screw 2 are fixed; First variation scissor assembly comprises two the first variation scissor unit that end is hinged; What the first variation scissor unit comprised that middle part is hinged commonly cuts bar 1-3 and spacingly cuts bar 1-4, and the spacing bar 1-4 that cuts is provided with guide vane end stop; Five first variation scissor assemblies are uniformly distributed along the circumference; To cut Gan1-3Yu center fixed block 1-2 hinged for each first variation scissor assembly one end common, cuts bar 1-4 and central slider 1-1 hinged with one end spacing; Each first variation scissor assembly other end common cuts bar 1-3 and the spacing bar 1-4 that cuts all is hinged with one-level folding exhibition articulated column 7; Each be hinged on common cut one-level folding exhibition articulated column 7 on bar 1-3 by two skew cables 8 respectively be hinged on the make a variation spacing one-level of cutting on bar 1-4 of scissor assembly of adjacent both sides first and roll over and open up articulated column 7 and be connected.Central slider 1-1 slides relative to center fixed block 1-2, thus it is folding and launch to realize one-level Zhe Zhan mechanism 1, in folding and expansion process, carry out limitation locking by brake 4 and the spacing guide vane end stop cutting bar 1-4.
As Fig. 1,2,9,10,11, shown in 12 and 13, secondary Zhe Zhan mechanism 10 comprises center articulated column 9, and be uniformly distributed along the circumference four secondary scissor assemblies 13 and two second variation scissor assemblies; Secondary scissor assembly 13 comprises two common scissor unit 14 that end is hinged; Common scissor unit comprises that be hinged two, middle part is common cuts bar 1-3; Second variation scissor assembly comprises common scissor unit 14 and the second variation scissor unit of the mutual ball-joint in end; Second variation scissor unit comprises two arranged in a crossed manner and scalablely cuts bar assembly 12; Scalable bar assembly 12 of cutting comprises sleeve 12-1, spring 12-2 and sliding bar 12-3; Sliding bar 12-3 is connected by sliding pair with sleeve 12-1; Spring 12-2 is arranged in sleeve 12-1, and one end and sleeve 12-1 fix, and the other end and sliding bar 12-3 fix; Liang Ge center articulated column 9 is setting up and down, and with the common scissor unit of four secondary scissor assembly 13 one end and the common scissor unit of two the second scissor assemblies that make a variation all hinged.
As shown in Figure 1,2 and 3, five secondary Zhe Zhan mechanisms 10 are uniformly distributed along the circumference; The common scissor unit of secondary scissor assembly 13 other end that each secondary Zhe Zhan mechanism is arranged inwardly and one first one-level made a variation on scissor assembly roll over that to open up articulated column 7 hinged; Second variation scissor unit of one the second variation scissor assembly that each secondary Zhe Zhan mechanism is arranged inwardly and another adjacent first one-level made a variation on scissor assembly are rolled over and are opened up articulated column 7 ball-joint; Each secondary folding exhibition organization establishes rolls at the second variation scissor unit of another the second variation scissor assembly of side and two secondarys that to open up articulated column 11 hinged; Two secondarys folding exhibition articulated columns 11 in each secondary Zhe Zhan mechanism and adjacent secondary roll over that to open up organization establishes hinged at the common scissor unit of another secondary scissor assembly 13 other end of side, and are rolled over adjacent two one-levels respectively by two skew cables 8 be crisscross arranged and open up articulated column 7 and be connected; The common scissor unit of all the other two secondary scissor assembly 13 other ends that each secondary Zhe Zhan mechanism is arranged outwardly is rolled over respectively by two skew cables 8 be crisscross arranged and adjacent two secondarys and is opened up articulated column 11 and be connected; Connected by two skew cables 8 be crisscross arranged between the common scissor unit of two secondary scissor assembly 13 other ends that each secondary Zhe Zhan mechanism is arranged outwardly.The common scissor unit of two secondary scissor assembly 13 other ends that each secondary Zhe Zhan mechanism is arranged outwardly also can open setting, for connecting three Ji Zhezhan mechanisms.
The operation principle of this spherical antenna supporting mechanism:
In this spherical antenna supporting mechanism expansion process, motor 5 drives lead screw 2 to rotate forward, central slider 1-1 is close to center fixed block 1-2 and moves in lead screw 2, first variation scissor assembly outwards launches, make one-level roll over the outwards movement of exhibition articulated column 7, one-level folding exhibition articulated column 7 orders about five secondary Zhe Zhan mechanisms 10 and launches; Brake 4 and spacingly cut the effect that bar 1-4 plays limitation locking, when launching completely, the spacing guide vane end stop cutting bar 1-4 withstands the first the common of variation scissor unit and cuts bar 1-3, and all suspension cables 8 are in tensioning state, makes this spherical antenna supporting mechanism become a rigid structure.When this spherical antenna supporting mechanism folds, motor 5 drives lead screw 2 to reverse.
Claims (2)
1. a spherical antenna supporting mechanism, comprises driving mechanism, one-level Zhe Zhan mechanism, one-level folding exhibition articulated column, secondary Zhe Zhan mechanism and secondary folding exhibition articulated column, it is characterized in that:
Described driving mechanism comprises lead screw, harmonic speed reducer, motor and spacecraft celestial body connecting plate; Described motor is fixed on spacecraft celestial body connecting plate, and is connected with brake; The output shaft of motor and the input of harmonic speed reducer are fixed; Output and the lead screw of described harmonic speed reducer are fixed;
Described one-level Zhe Zhan mechanism comprises central slider, center fixed block and the first variation scissor assembly; Described central slider is threaded with lead screw, and center fixed block and lead screw are fixed; The first described variation scissor assembly comprises two the first variation scissor unit that end is hinged; What the first variation scissor unit comprised that middle part is hinged commonly cuts bar and spacingly cuts bar, and spacing bar of cutting is provided with guide vane end stop; Five first variation scissor assemblies are uniformly distributed along the circumference; The common Jian Ganyu center fixed block of each first variation scissor assembly one end is hinged, cuts bar and central slider is hinged with one end spacing; Each first variation scissor assembly other end common cuts bar and spacing bar of cutting all is hinged with one-level folding exhibition articulated column; Each be hinged on common cut one-level folding exhibition articulated column on bar by two skew cables respectively be hinged on the make a variation spacing one-level of cutting on bar of scissor assembly of adjacent both sides first and roll over and open up articulated column and be connected;
Described secondary Zhe Zhan mechanism comprises center articulated column, and be uniformly distributed along the circumference four secondary scissor assemblies and two second variation scissor assemblies; Described secondary scissor assembly comprises two common scissor unit that end is hinged; Common scissor unit comprises that be hinged two, middle part is common cuts bar; The second described variation scissor assembly comprises common scissor unit and the second variation scissor unit of the mutual ball-joint in end; Second variation scissor unit comprises two arranged in a crossed manner and scalablely cuts bar assembly; Described scalable bar assembly of cutting comprises sleeve, spring and sliding bar; Described sliding bar is connected by sliding pair with sleeve; Described spring is arranged in sleeve, and one end and sleeve are fixed, and the other end and sliding bar are fixed; Liang Ge center articulated column is setting up and down, and with the common scissor unit of four secondary scissor assembly one end and the common scissor unit of two the second scissor assemblies that make a variation all hinged;
Five secondary Zhe Zhan mechanisms are uniformly distributed along the circumference; The common scissor unit of the secondary scissor assembly other end that each secondary Zhe Zhan mechanism is arranged inwardly and one first one-level made a variation on scissor assembly roll over that to open up articulated column hinged; Second variation scissor unit of one the second variation scissor assembly that each secondary Zhe Zhan mechanism is arranged inwardly and another adjacent first one-level made a variation on scissor assembly are rolled over and are opened up articulated column ball-joint; Each secondary folding exhibition organization establishes rolls at the second variation scissor unit of another the second variation scissor assembly of side and two secondarys that to open up articulated column hinged; Two secondarys folding exhibition articulated columns in each secondary Zhe Zhan mechanism and adjacent secondary roll over that to open up organization establishes hinged at the common scissor unit of another secondary scissor assembly other end of side, and are rolled over adjacent two one-levels respectively by two skew cables be crisscross arranged and open up articulated column and be connected; The common scissor unit of all the other two secondary scissor assembly other ends that each secondary Zhe Zhan mechanism is arranged outwardly is rolled over respectively by two skew cables be crisscross arranged and adjacent two secondarys and is opened up articulated column and be connected; Two skew cables by being crisscross arranged between the common scissor unit of two secondary scissor assembly other ends that each secondary Zhe Zhan mechanism is arranged outwardly connect.
2. a kind of spherical antenna supporting mechanism according to claim 1, is characterized in that: the common scissor unit of two secondary scissor assembly other ends that each secondary Zhe Zhan mechanism is arranged outwardly also can open setting, for connecting three Ji Zhezhan mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538119.4A CN104466341B (en) | 2014-10-13 | 2014-10-13 | Spherical antenna supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538119.4A CN104466341B (en) | 2014-10-13 | 2014-10-13 | Spherical antenna supporting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104466341A true CN104466341A (en) | 2015-03-25 |
| CN104466341B CN104466341B (en) | 2017-01-25 |
Family
ID=52912001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410538119.4A Expired - Fee Related CN104466341B (en) | 2014-10-13 | 2014-10-13 | Spherical antenna supporting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104466341B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526246A (en) * | 2016-01-22 | 2016-04-27 | 佛山市禾才科技服务有限公司 | Contractible shear mode set half-round surface and arc surface |
| CN107237548A (en) * | 2016-03-28 | 2017-10-10 | 佛山市禾才科技服务有限公司 | A kind of variable-sized triangle safety barrier |
| CN107237549A (en) * | 2016-03-28 | 2017-10-10 | 佛山市禾才科技服务有限公司 | A kind of variable-sized quadrangle safety barrier |
| CN108649313A (en) * | 2017-12-27 | 2018-10-12 | 哈尔滨工业大学深圳研究生院 | A kind of expandable curved face truss mechanism based on hard and soft mixed scissors mechanism |
| CN109108575A (en) * | 2018-08-06 | 2019-01-01 | 滁州市经纬装备科技有限公司 | A kind of spherical antenna bracket production technology |
| CN110504522A (en) * | 2019-08-30 | 2019-11-26 | 燕山大学 | A kind of plate folding exhibition unit and plate folding exhibition antenna mechanism |
| CN114914657A (en) * | 2022-04-21 | 2022-08-16 | 燕山大学 | Single-degree-of-freedom scissor linkage type telescopic rib type folding and unfolding antenna mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000027303A (en) * | 1998-07-10 | 2000-01-25 | Nippon Telegr & Teleph Corp <Ntt> | Support structure |
| CN101924266A (en) * | 2010-06-12 | 2010-12-22 | 上海大学 | Spherical three-degree-of-freedom parallel mechanism antenna structure system |
| CN204216200U (en) * | 2014-10-13 | 2015-03-18 | 浙江理工大学 | spherical antenna supporting mechanism |
-
2014
- 2014-10-13 CN CN201410538119.4A patent/CN104466341B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000027303A (en) * | 1998-07-10 | 2000-01-25 | Nippon Telegr & Teleph Corp <Ntt> | Support structure |
| CN101924266A (en) * | 2010-06-12 | 2010-12-22 | 上海大学 | Spherical three-degree-of-freedom parallel mechanism antenna structure system |
| CN204216200U (en) * | 2014-10-13 | 2015-03-18 | 浙江理工大学 | spherical antenna supporting mechanism |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526246A (en) * | 2016-01-22 | 2016-04-27 | 佛山市禾才科技服务有限公司 | Contractible shear mode set half-round surface and arc surface |
| CN107237548A (en) * | 2016-03-28 | 2017-10-10 | 佛山市禾才科技服务有限公司 | A kind of variable-sized triangle safety barrier |
| CN107237549A (en) * | 2016-03-28 | 2017-10-10 | 佛山市禾才科技服务有限公司 | A kind of variable-sized quadrangle safety barrier |
| CN108649313A (en) * | 2017-12-27 | 2018-10-12 | 哈尔滨工业大学深圳研究生院 | A kind of expandable curved face truss mechanism based on hard and soft mixed scissors mechanism |
| CN108649313B (en) * | 2017-12-27 | 2020-01-31 | 哈尔滨工业大学（深圳） | deployable curved surface truss mechanism based on rigid-flexible mixed shear fork mechanism |
| CN109108575A (en) * | 2018-08-06 | 2019-01-01 | 滁州市经纬装备科技有限公司 | A kind of spherical antenna bracket production technology |
| CN110504522A (en) * | 2019-08-30 | 2019-11-26 | 燕山大学 | A kind of plate folding exhibition unit and plate folding exhibition antenna mechanism |
| CN110504522B (en) * | 2019-08-30 | 2020-06-26 | 燕山大学 | Flat plate folding and unfolding unit and flat plate folding and unfolding antenna mechanism |
| CN114914657A (en) * | 2022-04-21 | 2022-08-16 | 燕山大学 | Single-degree-of-freedom scissor linkage type telescopic rib type folding and unfolding antenna mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104466341B (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104466341A (en) | Spherical antenna supporting mechanism | |
| CN107331939B (en) | Scissor-type hexagonal prisms can open up the space development agency of unit and its composition | |
| CN105799950B (en) | Single-degree-of-freedom Planar Mechanisms scissors can open up the space development agency of unit and its composition | |
| CN107579332B (en) | Synchronous expansion and contraction cylindrical surface antenna based on Bennett mechanism | |
| CN105244629B (en) | 3R 3RSR single-degree-of-freedoms tetrahedrons can open up unit | |
| CN108649318B (en) | Spatial triangular table deployable mechanism based on rigid scissor fork mechanism | |
| CN103144099B (en) | A kind of collapsible scalable multifunctional operating platform | |
| CN103786906A (en) | Space deployable mechanism | |
| CN204216200U (en) | spherical antenna supporting mechanism | |
| CN109119739B (en) | One kind being based on three structure state transformation space development agency of scissor unit | |
| CN103794842A (en) | Annular truss-type large space foldable mechanism | |
| CN106025483B (en) | Scissor coordinated type Planar Mechanisms can open up the space development agency of unit and its composition | |
| CN103192367B (en) | Vertex-extensible polyhedron folding mechanism | |
| CN108649314B (en) | Double-layer shear type parabolic cylinder expandable truss antenna device | |
| CN107054693B (en) | Single-degree-of-freedom asymmetric shear hinge type expandable mechanism unit | |
| CN106314826B (en) | Torsional spring drives scissor-type extending arm | |
| CN206050100U (en) | Torsion spring drives scissor-type extending arm | |
| CN106450649B (en) | A kind of H configuration satellite antenna development agency | |
| CN203601584U (en) | Shear-fork type space stretch arm | |
| CN209667394U (en) | A kind of large space development agency | |
| CN109616737B (en) | Single-degree-of-freedom shearing-hinging linkage type double-ring truss expandable antenna mechanism | |
| CN106450647A (en) | Shears-fork type hexagonal-prism extensible unit and space extensible mechanism formed by the same | |
| CN109110156B (en) | Rigid hinge connection space expandable mechanism based on transformation of triangular prism expandable unit | |
| CN206059620U (en) | Torsion spring drives scissor-type annular truss deployable antenna mechanism | |
| CN207550546U (en) | A kind of deployable space support structure of gapless of elastic hinge driving |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20171013 |