CN107685880A - A kind of large space development agency for opening up assembled unit and its composition - Google Patents
A kind of large space development agency for opening up assembled unit and its composition Download PDFInfo
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- CN107685880A CN107685880A CN201710619536.5A CN201710619536A CN107685880A CN 107685880 A CN107685880 A CN 107685880A CN 201710619536 A CN201710619536 A CN 201710619536A CN 107685880 A CN107685880 A CN 107685880A
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- floral disc
- poppyhead
- disk
- bottom floral
- web member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
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- Aviation & Aerospace Engineering (AREA)
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- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The present invention relates to a kind of large space development agency for opening up assembled unit and its composition, and can open up assembled unit includes center bottom floral disc (1), periphery bottom floral disc (2), poppyhead disk (3), the first web member (5), the second web member (6) and synchronous folding bar (4)；Each periphery bottom floral disc (2) is connected with center bottom floral disc (1) by synchronous folding bar (4), is connected by the first web member (5) with poppyhead disk (3), connected between adjacent 2 peripheries bottom floral disc (2) by synchronous folding bar (4), poppyhead disk (3) is connected by synchronous folding bar (4) between any two, is connected between poppyhead disk (3) and center bottom floral disc (1) by the second web member (6)；The present invention have the advantages that it is big fold than, can obtain by mechanism displacement preferable unexpanded configuration, to deploy motion credibility high, and unit has expansibility.
Description
Technical field
Assembled unit can be opened up the present invention relates to one kind and large space curved surface can open up machine as derived from this can open up assembled unit
Structure.
Background technology
With the fast development of aerospace industry, the telecommunication satellite platform implemented in aerospace engineering, celestial body detecting plan
Increasingly improved with requirement of the great Space Science and Technology engineering such as electronic reconnaissance to spacecraft, heavy caliber, lightweight, high-precision space
Deployable mechanism becomes the important development trend of space industry.In order to perform different space missions, it is necessary to space mechanism
Size is increasing, but because the space by space launch vehicles is limited, requires that aerospace mechanism must in launching phase
Palpus Complete Synchronization gets up and collapsed in radome fairing, is discharged again by the power source of its own after spacecraft injection positioning,
Realize that mechanism is fully deployed to working condition.Therefore, various types of space deployable mechanisms are widely applied and quickly
Development.
The research of deployable structure has turned into current international study hotspot.The U.S., Japan, Germany, Russia etc.
The research institution of state successively proposes the development agency form of a variety of heavy caliber satellite antenna reflectors.Such as, the TRW in the U.S.
Sunflower deployable antennas, Russian EGS antennas etc..Domestic research institute of space technology, Harbin Institute of Technology, Tianjin
The research institutions such as university are also put into the research of development agency.Due to the nonlinearity and coupling of space mechanism, setting
Timing therefore mostly selects plane mechanism unit it is difficult to ensure that the free degree and motion state of the combined mechanism when deploying to collapse
(such as scissors unit or quadrilateral units) are combined into the large-scale development agency in space, and seldom direct utilization space mechanism unit
(such as tetrahedron element, rectangular pyramid unit, hexahedral element, six prism elements) are combined.Scissors unit is most common
Substantially unit can be opened up, there is two kinds of plane formula and non-planar, has been successfully applied to deployable/synchronous magic bouquet, can be synchronous
Become born of the same parents' lunar rover.Quadrilateral units are mainly used in annular truss formula antenna due to its diagonal telescopic feature.
At present, the research for development agency is concentrated mainly on kinematics, dynamics and geometric configuration, and pair can open up machine
The design studies of the design especially space deployable mechanism unit of structure elementary cell in itself are less.In order to adapt to complex space science
Task increasing need, designing a kind of new space development agency has important researching value.It is big in the prior art
Type curved surface deployable space antenna mechanism does not have posture adjustment campaign in gathering final states, relies primarily between Material Bar Member and hinge
Gap reaches preferable rounding state.
The content of the invention
The technical problems to be solved by the invention are：Overcome the deficiencies in the prior art, the invention discloses one kind can open up group
The large space development agency of unit and its composition is closed, there is big fold to compare, can obtain preferably by mechanism displacement
The advantages that unexpanded configuration, high expansion motion credibility, and unit has expansibility；Multiple units can form curved surface by combination
Developable space antenna mechanism, solving existing curved surface Deployable antenna mechanism must rely on Material Bar Member and hinge gap to reach
The problem of expansion motion credibility for collapsing final states to ideal and thus bringing is not high, provides for large-scale framework formula Deployable antenna
A kind of support mechanism, and can expand to other deployable structure fields.
The technical solution adopted in the present invention is：One kind can open up assembled unit, including bottom floral disc, poppyhead disk, the first web member,
Second web member and synchronous folding bar；Bottom floral disc includes center bottom floral disc, periphery bottom floral disc；Each periphery bottom floral disc passes through synchronization respectively
Folding rod is connected with center bottom floral disc, is connected respectively by the first web member with poppyhead disk, is led between the floral disc of two neighboring periphery bottom
Cross synchronous folding bar to be connected, be connected between adjacent two poppyhead disks by synchronous folding bar, poppyhead disk and center bottom floral disc it
Between pass through the second web member connect；Each synchronous folding bar can fold at middle part, with periphery bottom floral disc, center bottom floral disc, poppyhead disk
For rotation connection；Each first web member is rotation connection with periphery bottom floral disc, poppyhead disk；Each second web member and center bottom floral disc, top
Floral disc is rotation connection.
Every synchronous folding bar includes two isometric connecting rods, and two isometric connecting rods are connected by revolute pair, each synchronization
Folding rod both ends are connected by Hooke's hinge with center bottom floral disc, periphery bottom floral disc or poppyhead disk.
The second web member both ends are Hooke's hinge.
One end that first web member is connected with periphery bottom floral disc is Hooke's hinge, and the one end being connected with poppyhead disk is rotation
It is secondary.
First web member and the second web member are isometric.
The quantity of the center bottom floral disc is individual, and the quantity of periphery bottom floral disc is individual, and the quantity of poppyhead disk is individual, the first abdomen
Bar has root, and the second web member has root, and synchronous folding bar has root.
The center bottom floral disc or periphery bottom floral disc are hexagonal-shaped frame structure, oriented in hexagon frame each edge
The paired parallel auricle overhang is used to be connected with synchronous folding bar；Hexagon frame is nested with triangle frame, hexagon side
The side being parallel to each other between frame and triangle frame cooperatively forms rotation by the Hooke's hinge of rotating shaft and the second web member or the first web member
Connection.
The poppyhead disk is hexagonal-shaped frame structure, there is outwardly directed paired put down in hexagon frame each edge
Row auricle is used to be connected with synchronous folding bar；Hexagon frame is nested with triangle joint block, the mounting groove on triangle joint block with
First web member is coordinated by revolute pair or cooperatively forms rotation connection by Hooke's hinge with the second web member.
The expanded angle scope of the synchronous folding bar is 0 °~180 °.
A kind of large space curved surface development agency, including it is N number of open up assembled unit, wherein, N is just whole more than or equal to 2
Number；Wherein, adjacent two can open up the shared periphery bottom floral disc of assembled unit as new center bottom floral disc；Adjacent two
Can open up increases a poppyhead disk between assembled unit, passes through the second web member between increased poppyhead disk and new center bottom floral disc and connects
Connect；Increased poppyhead disk with the bottom floral disc centered on new center bottom floral disc, adjacent with new center bottom floral disc not with top
The bottom floral disc of floral disc connection is connected；Connected between each poppyhead disk by synchronous folding bar, during expansion, each poppyhead disk and adjacent top
Floral disc forms the equilateral triangle using poppyhead disk as summit；Connected between each bottom floral disc by synchronous folding bar, during expansion, each bottom
Floral disc forms the equilateral triangle using bottom floral disc as summit with adjacent bottom floral disc, and each bottom floral disc positioned at expansion wire side edge is
Periphery bottom floral disc, remaining bottom floral disc are center bottom floral disc, are connected between periphery bottom floral disc and poppyhead disk by the first web member, in
Connected between heart bottom floral disc and poppyhead disk by the second web member.
The present invention has advantages below compared with prior art：
(1) present invention and component form complexity, kinematic pair species contained by the same type deployable structure having pointed out both at home and abroad
Various to compare, the large-scale curved development agency proposed by the present invention opened up assembled unit and be made from it only is spent containing connecting rod and connection
Two kinds of components of disk, in (the revolute pair generation that Hooke's hinge can be intersected by two axis, is connected by revolute pair between floral disc and connecting rod
For), therefore component is single, simple in construction with kinematic pair form, is easy to fabricate.
(2) unit proposed by the present invention, also with scalability, passes through unit in itself in addition to gathering/expansion function
Combination can form more bigbore large-scale development agency, and the mechanism formed equally has gathering/expansion function, and can root
Machine can be opened up according to needing to can obtain the large space of different shapes such as parabola, sphere by adjusting floral disc angle, rod length
Structure.
(3) the large space development agency proposed by the present invention for opening up assembled unit and its composition by floral disc and connecting rod it
Between special Hooke's hinge, revolute pair connection design so that mechanism can fully rely on the synchronous receipts that mechanism displacement realizes floral disc
Hold together motion and mechanism collapses the posture adjustment campaign of final states floral disc, mechanism deploying/gathering performance more optimizes, and avoids prior art
Middle mechanism relies primarily on hinge gap and connecting rod elastic deformation reaches preferable the problem of folding ratio and unexpanded configuration.
(4) the complete gathering and exhibition of the invention that mechanism can not be realized by mechanism kinematic with existing same type development agency
Open and compare, it is proposed by the present invention to open up assembled unit and its large space curved surface development agency of composition be in preferable hinge about
The gathering and expansion of mechanism are realized under beam, motion credibility is high, avoids traditional same type structure and relies primarily on rod member elasticity change
The problem of shape and hinge gap complete gathering/expansion.
(5) present invention, which solves existing curved surface Deployable antenna mechanism, to rely on Material Bar Member and hinge gap to reach
The problem of expansion motion credibility for collapsing final states to ideal and thus bringing is not high, provides for large-scale framework formula Deployable antenna
A kind of support mechanism, and can expand to other deployable structure fields.
Brief description of the drawings
Fig. 1 is the structure schematic diagram that the present invention can open up assembled unit；
Fig. 2 (a) is that the connected mode of bottom floral disc and synchronous folding bar, the second web member that the present invention can open up assembled unit is illustrated
Figure；
Fig. 2 (b) is the structure chart of bottom floral disc of the present invention；
Fig. 3 (a) is poppyhead disk and synchronous folding bar, the first web member, the company of the second web member that the present invention can open up assembled unit
Connect schematic diagram；
Fig. 3 (b) is the structure chart of poppyhead disk of the present invention；
Fig. 4 (a) is that the present invention can open up the joint design that the first web member of assembled unit or the second web member are connected with bottom floral disc
Figure；
Fig. 4 (b) is that the present invention can open up the joint structure that the first web member of assembled unit is connected with poppyhead disk；
Fig. 4 (c) is that the present invention can open up the joint structure that the second web member of assembled unit is connected with poppyhead disk；
Fig. 5 is that the present invention can open up the joint structure that the synchronous folding bar of assembled unit is connected with bottom floral disc, poppyhead disk；
Fig. 6 is the joint structure of the two connecting rods connection for the synchronous folding bar that the present invention can open up assembled unit；
Fig. 7 is the combination schematic diagram that the present invention can open up assembled unit；
Fig. 8 is that the present invention can open up the structural representation that assembled unit collapses final states；
Fig. 9 (a) and Fig. 9 (b) is large space curved surface development agency sketch of the present invention, and Fig. 9 (c) is large space of the present invention
Curved surface development agency collapses the side view of final states.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is further described embodiment.
As shown in figure 1, one kind in the present embodiment can open up assembled unit, including 1 center bottom floral disc, 1,6 periphery bottom flower
2,3, disk, 5,3 second web members 6 of the first web member of 3,6, poppyhead disk and 15 synchronous folding bars 4.6 peripheries bottom floral disc 2 is logical
Synchronous folding bar 4 is crossed to be connected, be connected with poppyhead disk 3 by the first web member 5, adjacent 2 peripheries bottom floral disc 2 with center bottom floral disc 1
Between be connected by synchronous folding bar 4, poppyhead disk 3 is connected by synchronous folding bar 4 between any two, and poppyhead disk 3 and center bottom are spent
Connected between disk 1 by the second web member 6；Every folding rod 4 is formed by connecting by two isometric connecting rods by revolute pair, folding rod
4 both ends are connected by Hooke's hinge with center bottom floral disc 1, periphery bottom floral disc 2 or poppyhead disk 3, connection center bottom floral disc 1 and poppyhead disk
3 both ends of the second web member 6 are Hooke's hinge, connect the first web member 5 of periphery bottom floral disc 2 and poppyhead disk 3 close to periphery bottom floral disc 2
One end be Hooke's hinge, close to one end of poppyhead disk 3 be revolute pair.6 first web members 5 and 3 second web member, 6 isometric and its length
Degree, which determines, can open up the height after assembled unit collapses.
As shown in Fig. 1~Fig. 5, the axle of revolute pair axis among synchronous folding bar 4 perpendicular to its two connecting rod connected
Line, connection synchronous folding bar 4 and center bottom floral disc 1, periphery bottom floral disc 2, the Hooke's hinge of poppyhead disk 3 are close to synchronous folding bar 4
Revolute pair axis of the rotating shaft along the connecting rod axis direction of synchronous folding bar 4, the rotating shaft close to floral disc and the centre of respective synchronization folding rod 4
It is parallel, connect the rotating shaft of the Hooke's hinge of web member and the periphery bottom floral disc 2 of center bottom floral disc 1 close to web member along web member axis direction, lean on
The rotating shaft of nearly bottom floral disc connects the revolute pair axis of the first web member 5 and poppyhead disk 3 parallel to this perpendicular to the axis of corresponding web member
Rotating shaft of the web member other end with the Hooke's hinge that periphery bottom floral disc 2 is connected close to bottom floral disc, the second web member 6 of connection and poppyhead disk 3
The Hooke's hinge that Hooke's hinge is connected in the web member other end with center bottom floral disc 1 close to the shaft parallel of poppyhead disk 3 is close to center bottom
Two rotating shafts of the Hooke's hinge that the rotating shaft of floral disc 1, the rotating shaft close to web member are connected with the web member other end with center bottom floral disc 1 are equal
Vertically.
As shown in Fig. 2 (a), Fig. 2 (b), Fig. 4 (a), Fig. 4 (b), Fig. 5, bottom floral disc includes center bottom floral disc 1, periphery bottom is spent
Disk 2, center bottom floral disc 1, the structure of periphery bottom floral disc 2 are identical, and center bottom floral disc 1, periphery bottom floral disc 2 are hexagonal-shaped frame knot
Structure, there is in hexagon frame each edge outwardly directed paired parallel auricle to be used to be connected with synchronous folding bar 4；Hexagon
Frame is nested with triangle frame, the side being parallel to each other between hexagon frame and triangle frame by rotating shaft and the second web member 6 or
The Hooke's hinge of first web member 5 cooperatively forms rotation connection.
It is the structure chart for the joint that the first web member 5 or the second web member 6 are connected with bottom floral disc as shown in Fig. 4 (a), figure axis
A, B is respectively the Hooke's hinge rotating shaft for the end that the first web member 5 or the second web member 6 are connected with bottom floral disc；
It is the joint structure that the first web member 5 is connected with poppyhead disk 3 as shown in Fig. 4 (b), figure axis C is the first web member 5
The rotating shaft of end revolute pair；
As shown in Fig. 3 (a), Fig. 3 (b), Fig. 4 (c), Fig. 5, poppyhead disk 2 is hexagonal-shaped frame structure, and hexagon frame is every
There is outwardly directed paired parallel auricle to be used to be connected with synchronous folding bar 4 on bar side；Hexagon frame is nested with triangle
Contiguous block, the spherical linkage of mounting groove and the first web member 5 on triangle joint block cooperatively form rotation connection.
It is the joint structure that the second web member 6 is connected with poppyhead disk 3 as shown in Fig. 4 (c), figure axis D, E are the second web member
The rotating shaft of 6 end Hooke's hinges；
As shown in figure 5, it is the joint structure that synchronous folding bar 4 is connected with bottom floral disc, poppyhead disk 3, figure axis F, G are same
Walk the rotating shaft of the both ends Hooke's hinge of folding rod 4；
As shown in fig. 6, for ensure can open up assembled unit collapse during synchronous folding bar 4 two connecting rods in junction not
Interference, the revolute pair of the centre of synchronous folding bar 4 is designed as two revolute pairs connected by synchronous movement device, and the two are rotated
Vice division chief is used as driving source provided with flexible member 8；To ensure that the stability after assembled unit is fully deployed can be opened up, in synchronous folding bar
Rotation vice division chief among 4 is provided with angle after positive stop 9 makes two synchronous folding bar expansion and is kept for 180 °.
As shown in figures 7 and 9, of the invention assembled unit of opening up can derive as large space curved surface development agency, adjacent
Two can open up 1 bottom floral disc is shared between assembled unit, during assembled unit composition large space development agency can be opened up
Multiple triangle closed loop chains can be produced, need to add on that triangle bottom floral disc among continuous three triangles closed loop chain
The first web member 5 or the second web member 6 and poppyhead disk 3 is added to form 1 triangular pyramid unit, the poppyhead disk 3 passes through synchronous folding bar 4 and phase
The adjacent poppyhead disk 3 for opening up assembled unit is connected, and addition principle should meet：The shared bottom floral disc of assembled unit can be opened up by taking two
As center bottom floral disc 1, centered on the center bottom floral disc 1, it can set up and new open up assembled unit；Large space development agency
Periphery bottom floral disc 2 and poppyhead disk 3 between connected by the first web member 5, pass through the second abdomen between remaining bottom floral disc and poppyhead disk 3
Bar 6 connects.
Large space curved surface development agency, including it is N number of open up assembled unit, wherein, N is positive integer more than or equal to 2；Its
In, adjacent two can open up assembled unit and share periphery bottom floral disc 2 as new center bottom floral disc 1；Adjacent two can
Increase a poppyhead disk 3 between exhibition assembled unit, pass through the second web member 6 between increased poppyhead disk 3 and new center bottom floral disc 1
Connection；Increased poppyhead disk 3 with the bottom floral disc centered on new center bottom floral disc 1, adjacent with new center bottom floral disc 1 not
The bottom floral disc being connected with poppyhead disk 3 is connected；Connected between each poppyhead disk 3 by synchronous folding bar 4, during expansion, each poppyhead disk 3 with
Adjacent poppyhead disk 3 forms the equilateral triangle for summit with poppyhead disk 3；Connected between each bottom floral disc by synchronous folding bar 4,
During expansion, each bottom floral disc forms the equilateral triangle using bottom floral disc as summit with adjacent bottom floral disc, positioned at expansion wire side edge
Each bottom floral disc be periphery bottom floral disc 2, remaining bottom floral disc is center bottom floral disc 1, between periphery bottom floral disc 2 and poppyhead disk 3 lead to
Cross the first web member 5 to connect, connected between center bottom floral disc 1 and poppyhead disk 3 by the second web member 6.
As shown in Fig. 8 and Fig. 9 (a), Fig. 9 (b), Fig. 9 (c), the large space curved surface development agency of the present embodiment it is complete
Deployed condition, all bottom floral discs are centrally located on curved surface；In complete rounding state, all web member diameter parallels, all bottom floral discs
Same plane is centrally located at, all poppyhead disks 3 are centrally located at same plane, and two plane is parallel to each other and perpendicular to web member axle
Line, and all floral disc postures are consistent.
Synchronous folding bar 4 is URU structures (U and R represent Hooke's hinge and revolute pair respectively), and the first web member 5 is RU structures, the
Two web members 6 are UU structures；This can open up the large space curved surface development agency that assembled unit is derivatized to, and it can realize all floral discs
The synchronous motion and can that collapses realize the posture adjustment campaign for collapsing final states floral disc.
Unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.
Claims (10)
1. one kind can open up assembled unit, it is characterised in that including bottom floral disc, poppyhead disk (3), the first web member (5), the second web member
And synchronous folding bar (4) (6)；Bottom floral disc includes center bottom floral disc (1), periphery bottom floral disc (2)；Each periphery bottom floral disc (2) is respectively
It is connected with center bottom floral disc (1) by synchronous folding bar (4), is connected respectively by the first web member (5) with poppyhead disk (3), it is adjacent
It is connected between two peripheries bottom floral disc (2) by synchronous folding bar (4), passes through synchronous folding between two adjacent poppyhead disks (3)
Folded bar (4) is connected, and is connected between poppyhead disk (3) and center bottom floral disc (1) by the second web member (6)；Each synchronous folding bar (4) exists
Middle part can fold, and be rotation connection with periphery bottom floral disc (2), center bottom floral disc (1), poppyhead disk (3)；Each first web member (5)
It is rotation connection with periphery bottom floral disc (2), poppyhead disk (3)；Each second web member (6) is with center bottom floral disc (1), poppyhead disk (3)
Rotation connection.
2. one kind according to claim 1 can open up assembled unit, it is characterised in that：Every synchronous folding bar (4) includes two
The isometric connecting rod of root, two isometric connecting rods are connected by revolute pair, and each synchronous folding bar (4) both ends pass through Hooke's hinge and center
Bottom floral disc (1), periphery bottom floral disc (2) or poppyhead disk (3) connection.
3. one kind according to claim 2 can open up assembled unit, it is characterised in that：Second web member (6) both ends are
Hooke's hinge.
4. one kind according to claim 3 can open up assembled unit, it is characterised in that：First web member (5) and periphery bottom
One end of floral disc (2) connection is Hooke's hinge, and the one end being connected with poppyhead disk (3) is revolute pair.
5. one kind according to claim 1 can open up assembled unit, it is characterised in that：First web member (5) and the second abdomen
Bar (6) is isometric.
6. one kind according to claim 1 can open up assembled unit, it is characterised in that：The quantity of the center bottom floral disc (1)
For 1, the quantity of periphery bottom floral disc (2) is 6, and the quantity of poppyhead disk (3) is 3, and the first web member (5) has 6, the second web member
(6) there are 3, synchronous folding bar (4) there are 15.
7. one kind according to claim 4 can open up assembled unit, it is characterised in that：The center bottom floral disc (1) or periphery
Bottom floral disc (2) is hexagonal-shaped frame structure, has outwardly directed paired parallel auricle to use in hexagon frame each edge
It is connected in synchronous folding bar (4)；Hexagon frame is nested with triangle frame, mutually flat between hexagon frame and triangle frame
Capable side cooperatively forms rotation connection by the Hooke's hinge of rotating shaft and the second web member (6) or the first web member (5).
8. one kind according to claim 7 can open up assembled unit, it is characterised in that：The poppyhead disk (2) is hexagon
Frame structure, there is in hexagon frame each edge outwardly directed paired parallel auricle to be used for and synchronous folding bar (4) phase
Even；Hexagon frame is nested with triangle joint block, and the mounting groove on triangle joint block is coordinated with the first web member (5) by revolute pair
Or rotation connection is cooperatively formed by Hooke's hinge with the second web member (6).
9. one kind according to claim 2 can open up assembled unit, it is characterised in that：The expansion of the synchronous folding bar (4)
Angular range is 0 °~180 °.
10. a kind of large space curved surface for opening up assembled unit composition described in any one in claim 1~9 can
Open up mechanism, it is characterised in that assembled unit is opened up including N number of, wherein, N is the positive integer more than or equal to 2；Wherein, adjacent two
Individual assembled unit of opening up shares periphery bottom floral disc (2) as new center bottom floral disc (1)；It is single that adjacent two can open up combination
Increase a poppyhead disk (3) between member, pass through the second web member (6) between increased poppyhead disk (3) and new center bottom floral disc (1)
Connection；Increased poppyhead disk (3) with centered on new center bottom floral disc (1), the bottom adjacent with new center bottom floral disc (1) spend
The bottom floral disc not being connected in disk with poppyhead disk (3) is connected；Connected between each poppyhead disk (3) by synchronous folding bar (4), expansion
When, each poppyhead disk (3) forms the equilateral triangle with poppyhead disk (3) for summit with adjacent poppyhead disk (3)；Between each bottom floral disc
Connected by synchronous folding bar (4), during expansion, each bottom floral disc forms equilateral three using bottom floral disc as summit with adjacent bottom floral disc
Angular, each bottom floral disc positioned at expansion wire side edge is periphery bottom floral disc (2), and remaining bottom floral disc is center bottom floral disc (1), week
Connected by the first web member (5) between side bottom floral disc (2) and poppyhead disk (3), led between center bottom floral disc (1) and poppyhead disk (3)
Cross the second web member (6) connection.
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| CN201710619536.5A CN107685880B (en) | 2017-07-26 | 2017-07-26 | Expandable combined unit and large-scale space expandable mechanism composed of same |
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| CN201710619536.5A CN107685880B (en) | 2017-07-26 | 2017-07-26 | Expandable combined unit and large-scale space expandable mechanism composed of same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843964A (en) * | 2018-07-11 | 2018-11-20 | 燕山大学 | One kind can open up composite structure substantially |
| CN109592167A (en) * | 2018-10-18 | 2019-04-09 | 天津大学 | A kind of telescopic box-shaped structure of single-degree-of-freedom rotational symmetry |
| CN109860972A (en) * | 2018-12-19 | 2019-06-07 | 燕山大学 | A kind of modularization Deployable antenna mechanism based on symmetrical structure tetrahedron assembled unit |
| CN110589035A (en) * | 2019-10-25 | 2019-12-20 | 北京航空航天大学 | Single-degree-of-freedom tetrahedral deployable cell element mechanism |
| CN113427836A (en) * | 2021-06-17 | 2021-09-24 | 中国科学院力学研究所 | Three-dimensional developable curved surface self-adaptive lattice structure and preparation method thereof |
| CN113540744A (en) * | 2021-07-05 | 2021-10-22 | 西安电子科技大学 | Framework type expandable antenna module connecting device |
| CN114824727A (en) * | 2022-04-21 | 2022-07-29 | 燕山大学 | Hexagonal frustum table type folding and unfolding unit and folding and unfolding mechanism formed by same |
| CN115411487A (en) * | 2022-09-20 | 2022-11-29 | 江苏科技大学 | Adaptive telescopic deployable antenna mechanism and expansion mechanism based on rhombus bottom pentahedron |
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