CN109149052B - One kind driving double-deck deployable antenna mechanism based on scissor mechanism torsional spring - Google Patents
One kind driving double-deck deployable antenna mechanism based on scissor mechanism torsional spring Download PDFInfo
- Publication number
- CN109149052B CN109149052B CN201810806678.7A CN201810806678A CN109149052B CN 109149052 B CN109149052 B CN 109149052B CN 201810806678 A CN201810806678 A CN 201810806678A CN 109149052 B CN109149052 B CN 109149052B
- Authority
- CN
- China
- Prior art keywords
- base
- scissors
- hinge
- connecting rod
- pin shaft
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
One kind driving double-deck deployable antenna mechanism based on scissor mechanism torsional spring, including torsion spring member and scissor mechanism, the torsion spring member includes torsional spring support, torsional spring, pin shaft and rigid hinge, two concentric through-holes are respectively arranged in two pieces of opposite support plates on the torsional spring support, each pair of through-hole respectively installs a pin shaft, each nested torsional spring and a rigid hinge on pin shaft, the connecting rod that the rigid hinge other end can be opened up with scissors on unit is fixedly connected, the scissor mechanism includes that scissors can open up unit and support frame, the expansion or folding movement for driving scissor mechanism are driven by torsional spring, behavior is unfolded and folded to realize entire mechanism.The present invention is driving source with torsional spring, it realizes and is unfolded without motor driven, make mechanism deploying response rapid, while reducing the overall weight of the mechanism, the present invention has the characteristics that driving is simple, architecture quality is light, space folding ratio is big, unit has expansion, and practicability is higher.
Description
Technical field
It is especially a kind of based on the double-deck deployable day of scissor mechanism torsional spring driving the present invention relates to space folding and unfolding mechanism field
Line mechanism.
Background technique
With flourishing for aerospace industry, the exploration of the outer space is also gradually goed deep into, needs to deliver different spacecrafts
Support frame executes corresponding task to the outer space, but since rocket transport space is limited, this requires mechanism will to fold or
The state of gathering is fixed in load transported storehouse, reinflated at mechanism after entering desired trajectory, thus mechanism it is deployable at
For a notable feature of many spacecrafts or large aperture antenna, current many space folding and unfolding mechanisms can open up unit by folding
Combination array or topology formation.
Chinese patent 201710876469.5 discloses a kind of deployable solid surface antenna unfolding mechanism of petal type, the mechanism
Curved panel is connect with support rod using spherical pair, is unfolded by single motor driven implementation mechanism, but the folding of mechanism ratio
It is smaller, collapse volume it is larger；Chinese patent 201210397908.1 discloses a kind of regular tetrahedral symmetrical deployable mechanism unit,
Although the mechanism structure is simple, unfolds and folds conveniently, laser intensity and rigidity are lower, and folding exhibition unit does not have expansion；
Chinese patent 201510253962.2 discloses a kind of regular hexagon planar development mechanism, which is planar development and folding exhibition machine
Structure is folded than small.
There are no at present it is a kind of have driving is simple, architecture quality is light, space folding than big, expansion response rapidly, unit
Has the characteristics that a kind of innovation design that double-deck deployable antenna mechanism is driven based on scissor mechanism torsional spring of expansion.
Summary of the invention
In order to avoid the deficiencies in the prior art, overcomes its flat-folded and do not have the shortcomings that expansion than small, unit, the present invention
One kind is provided, double-deck deployable antenna mechanism is driven based on scissor mechanism torsional spring, simple, architecture quality is light, space with driving for it
Folding has the characteristics that expansion than big, expansion responds rapid, unit, is realized using torsional spring as driving source and is unfolded without motor driven,
Practicability is higher.
The technical scheme is that a kind of drive double-deck deployable antenna mechanism based on scissor mechanism torsional spring, including turn round
Spring component and scissor mechanism, it is characterised in that: the torsion spring member includes torsional spring support, torsional spring, pin shaft and rigid hinge, described
Two concentric through-holes are respectively arranged in two pieces of opposite support plates on torsional spring support, and each pair of through-hole respectively installs a pin shaft, pin shaft
Upper each nested torsional spring and a rigid hinge, the rigid hinge other end and scissors can open up the fixed company of the connecting rod on unit
It connects；The scissor mechanism includes the first scissor mechanism and the second scissor mechanism, and the first scissor mechanism includes that first layer scissors can open up
Unit, second layer scissors can open up unit and support frame, and the first layer scissors can open up unit and include the first base and can open up module
Composition, the first base are connect by pin shaft with that can open up module, and the module of opening up includes first connecting rod, the second connecting rod, the
One hinge, second hinge, third hinge, the 4th hinge, first connecting rod, second connecting rod, the first scissors bar and the second scissors bar, institute
It states first connecting rod one end to connect with first axle, while being connect by pin shaft with the first base at axis pin base, the other end is logical
It crosses revolute pair to connect with second hinge, second connecting rod one end is connect with third hinge, while passing through pin at axis pin base
Axis is connect with the first base, and the other end is connect by revolute pair with the 4th hinge, and is fixed and connected with the rigid hinge of torsion spring member
It connects in rigid hinge hole, described first connecting rod one end is connect by pin shaft with the second hinge on first connecting rod, and first connects
The bar other end is connect by pin shaft with first the first axis pin base of scissors bar, and described second connecting rod one end passes through pin shaft and the 4th hinge
Connection, the second connecting rod other end are connect by pin shaft with the second scissors bar third axis pin base, the second pin shaft of the first scissors bar
Seat is connect by pin shaft with second the second axis pin base of scissors bar, and the first scissors bar third axis pin base is connected by pin shaft and third hinge
It connects, the first axis pin base of the second scissors bar is connect by pin shaft with first axle, and the second layer scissors can open up the knot of unit
It is identical that structure and connection relationship with first layer scissors can open up unit；Support frame as described above includes the first strut, the second strut, third
Strut and the 4th strut, first strut one end are connect by pin shaft with the first connecting rod that first layer scissors can open up unit, and first
The strut other end is connect by pin shaft with second strut one end, and the second strut other end is connect by pin shaft with the first base, the
Three strut one end are connect by pin shaft with second strut one end, and the third strut other end is connect by pin shaft with the second base, the
Four strut one end are connect by pin shaft with second strut one end, and the 4th strut other end can Zhan Dan by pin shaft and second layer scissors
The first connecting rod connection of member, the base include the first base and the second base；The structure of second scissor mechanism and company
It is identical with the first scissor mechanism to connect relationship.
The first layer scissors can open up unit and second layer scissors can open up in each connecting rod of unit it is nested there are two
Hinge, wherein first connecting rod nesting first axle and second hinge, the second connecting rod nesting third hinge and the 4th hinge,
Its connecting rod and nested hinge sequence and so on；The hinge being nested in connecting rod far from base direction simultaneously can be along connection
Bar relative movement.
It includes that the identical connecting rod of five structure sizes is identical with ten structures that the first layer scissors, which can open up unit,
Hinge.
The base is the double-deck pentagon base, including the first base and the second base, the every of base are equipped with one on one side
A axis pin base is connect by pin shaft with connecting rod at axis pin base.
The structure of the first scissors bar and the second scissors bar is identical, is all provided with there are three axis pin base, including first cuts
The first axis pin base of formula bar, first the second axis pin base of scissors bar, the first scissors bar third axis pin base and second the first pin shaft of scissors bar
Seat, second the second axis pin base of scissors bar, the second scissors bar third axis pin base.
Of the invention has the prominent advantages that:
1. the mechanism uses torsional spring as driving source, avoid because installation motor bring is unstable and the increased shadow of weight
It rings, reduces the overall structure quality of mechanism.
2. the mechanism realizes no motor driven, it is not required to additionally increase power supply, makes mechanism driving simple, expansion response is fast
Speed.
3. delivery, than big, gathering is small in size, is convenient in space folding in the mechanism.
4. the unit of the mechanism has expansibility, multiple to open up unit and be assembled into different rulers by different annular arrays
The space development agency of degree and configuration, meets different mission requirements.
Detailed description of the invention
Fig. 1 is a kind of structural representation that double-deck deployable antenna mechanism is driven based on scissor mechanism torsional spring of the present invention
Figure.
Fig. 2 is a kind of support frame knot that double-deck deployable antenna mechanism is driven based on scissor mechanism torsional spring of the present invention
Structure schematic diagram.
Fig. 3 is a kind of semi-folded knot that double-deck deployable antenna mechanism is driven based on scissor mechanism torsional spring of the present invention
Structure schematic diagram.
Fig. 4 is a kind of complete folding that double-deck deployable antenna mechanism is driven based on scissor mechanism torsional spring of the present invention
Structural schematic diagram.
Fig. 5 is a kind of the first scissors that double-deck deployable antenna mechanism is driven based on scissor mechanism torsional spring of the present invention
Structural scheme of mechanism.
Fig. 6 is that a kind of first layer based on scissor mechanism torsional spring driving double-deck deployable antenna mechanism of the present invention is cut
Formula can open up unit fully unfolded position schematic diagram.
Fig. 7 is that a kind of first layer based on scissor mechanism torsional spring driving double-deck deployable antenna mechanism of the present invention is cut
Formula can open up unit completely folded state schematic diagram.
Fig. 8 is a kind of torsion spring member that double-deck deployable antenna mechanism is driven based on scissor mechanism torsional spring of the present invention
Structural schematic diagram.
Fig. 9 is a kind of hinge arrangement that double-deck deployable antenna mechanism is driven based on scissor mechanism torsional spring of the present invention
Schematic diagram.
Figure 10 is a kind of base knot that double-deck deployable antenna mechanism is driven based on scissor mechanism torsional spring of the present invention
Structure schematic diagram.
Figure 11 is that a kind of first based on scissor mechanism torsional spring driving double-deck deployable antenna mechanism of the present invention is cut
Formula rod structure schematic diagram.
Figure 12 is that a kind of second based on scissor mechanism torsional spring driving double-deck deployable antenna mechanism of the present invention is cut
Formula rod structure schematic diagram.
Figure 13 is a kind of connecting rod that double-deck deployable antenna mechanism is driven based on scissor mechanism torsional spring of the present invention
Structural schematic diagram.
In the figure, it is marked as 1. first layer scissors can the first base of Zhan Danyuan, 1-1., 1-2. first axle, the company of 1-3. first
Extension bar, 1-4. second hinge, 1-5. first connecting rod, the first scissors of 1-6. bar, the first axis pin base of 1-6-1. the first scissors bar, 1-6-
2. first the second axis pin base of scissors bar, 1-6-3. the first scissors bar third axis pin base, the second scissors of 1-7. bar, 1-7-1. second are cut
The first axis pin base of formula bar, the second axis pin base of 1-7-2. the second scissors bar, 1-7-3. the second scissors bar third axis pin base, 1-8. second
Connecting rod, 1-9. second connecting rod, the second strut of 1-10., the first strut of 1-11., 1-12. third strut, the 4th strut of 1-13.,
The second base of 1-14., 1-15. third hinge, the 4th hinge of 1-16., 2. torsion spring members, 2-1. torsional spring support, 2-2. torsional spring, 2-
3. pin shaft, 2-4. rigid hinge, 3. second layer scissors can the first scissor mechanisms of Zhan Danyuan, A., the second scissor mechanism of B..
Specific embodiment
Technical solution of the present invention is described further with reference to the accompanying drawings and embodiments.
As shown in figure 1 to figure 13, of the present invention that double-deck deployable antenna mechanism, packet are driven based on scissor mechanism torsional spring
Include torsion spring member 2 and scissor mechanism, it is characterised in that: the torsion spring member 2 includes torsional spring support 2-1, torsional spring 2-2, pin shaft 2-3
With rigid hinge 2-4, two concentric through-holes, Mei Duitong is respectively arranged in two pieces of opposite support plates on the torsional spring support 2-1
A pin shaft 2-3 is respectively installed in hole, and each nested torsional spring 2-2 and a rigid hinge 2-4, rigid hinge 2-4 are another on pin shaft 2-3
The connecting rod that one end can be opened up with scissors on unit is fixedly connected；The scissor mechanism includes the first scissor mechanism A and the second scissors
Mechanism B, the first scissor mechanism A include that first layer scissors can open up unit 1, second layer scissors can open up unit 3 and support frame, and described
One layer of scissors can open up unit 1 and include the first base 1-1 and can open up module composition, and the first base 1-1 is by pin shaft and can open up module
Connection, the module of opening up includes first connecting rod 1-3, the second connecting rod 1-8, first axle 1-2, second hinge 1-4, third
Hinge 1-15, the 4th hinge 1-16, first connecting rod 1-5, second connecting rod 1-9, the first scissors bar 1-6 and the second scissors bar 1-7, institute
It states the one end first connecting rod 1-3 to connect with first axle 1-2, while being connect by pin shaft with the first base 1-1 at axis pin base,
The other end is connect by revolute pair with second hinge 1-4, and described one end second connecting rod 1-8 is connect with third hinge 1-15, together
When connect with the first base 1-1 at axis pin base by pin shaft, the other end passes through revolute pair and connect with the 4th hinge 1-16, and with
The rigid hinge 2-4 of torsion spring member 2 is fixedly connected in the hole rigid hinge 2-4, the one end the first connecting rod 1-5 by pin shaft with
Second hinge 1-4 connection on first connecting rod 1-3, the first connecting rod 1-5 other end are sold by pin shaft and the first scissors bar first
Axle bed 1-6-1 connection, the one end the second connecting rod 1-9 are connect by pin shaft with the 4th hinge 1-16, the second connecting rod 1-9 other end
It is connect by pin shaft with the second scissors bar third axis pin base 1-7-3, the second axis pin base of the first scissors bar 1-6-2 passes through pin shaft
It is connect with second the second axis pin base of scissors bar 1-7-2, the first scissors bar third axis pin base 1-6-3 passes through pin shaft and third hinge 1-
15 connections, the second scissors bar the first axis pin base 1-7-1 are connect by pin shaft with first axle 1-2, the second layer scissors
It is identical that the structure and connection relationship that unit 3 can be opened up with first layer scissors can open up unit 1；Support frame as described above includes the first strut
1-11, the second strut 1-10, third strut 1-12 and the 4th strut 1-13, first one end strut 1-11 pass through pin shaft and first layer
Scissors can open up the first connecting rod 1-3 connection of unit 1, and the first strut 1-11 other end passes through pin shaft and second one end strut 1-10
Connection, the second strut 1-10 other end are connect by pin shaft with the first base 1-1, and third one end strut 1-12 passes through pin shaft and the
The connection of two one end strut 1-10, the third strut 1-12 other end are connect by pin shaft with the second base 1-14, the 4th strut 1-13
One end is connect by pin shaft with second one end strut 1-10, and the 4th strut 1-13 other end can be opened up by pin shaft with second layer scissors
The first connecting rod 1-3 connection of unit 3, the base include the first base 1-1 and the second base 1-14；The second scissors machine
The structure and connection relationship of structure B are identical with the first scissor mechanism A.
The first layer scissors can open up unit 1 and second layer scissors can open up and be nested with two in each connecting rod of unit 3
A hinge, wherein first connecting rod 1-3 nesting first axle 1-2 and second hinge 1-4, the second connecting rod 1-8 nesting third are cut with scissors
Chain 1-15 and the 4th hinge 1-16, other connecting rods and nested hinge sequence and so on；It is nested in connecting rod simultaneously remote
A hinge in the direction 1-1 of disembarking can be relatively moved along connecting rod.
It includes that the identical connecting rod of five structure sizes is identical with ten structures that the first layer scissors, which can open up unit 1,
Hinge.
The base is equal for the double-deck pentagon base, including the first base 1-1 and the second base 1-14, every one side of base
Equipped with an axis pin base, it is connect by pin shaft with connecting rod at axis pin base.
The structure of the first scissors bar 1-6 and the second scissors bar 1-7 are identical, are all provided with there are three axis pin base, including
First the first axis pin base of scissors bar 1-6-1, first the second axis pin base of scissors bar 1-6-2, the first scissors bar third axis pin base 1-6-3
With second the first axis pin base of scissors bar 1-7-1, second the second axis pin base of scissors bar 1-7-2, the second scissors bar third axis pin base 1-
7-3。
Operation principle and process:
As shown in Figures 1 to 4, mechanism is by fully unfolded position to semi-collapsed condition again to completely folded state, torsional spring group
Part 2 connects two scissor mechanisms, and the first scissor mechanism A and the second scissor mechanism B are mechanism with single degree of freedom, and scissor mechanism passes through
Support frame support two scissors can Zhan Danyuan, the first base 1-1 that the first scissors can open up unit 1 connected by pin shaft and connecting rod
It connects, first axle 1-2 and second hinge 1-4 is nested in connecting rod, first axle 1-2 passes through pin shaft and the first scissors rod 1-6
Connection, second hinge 1-4 are connect by pin shaft with first connecting rod 1-5；The hinge 2-4 of torsion spring member 2 is driven to turn by torsional spring 2-2
It is dynamic, make to collapse movement to drive two layers of scissors that can open up unit, realizes the folding behavior of entire mechanism, as shown in Figure 4；Work as quilt
Driving mechanism makees expansion movement when the torsional spring 2-2 of compression discharges elastic potential energy, until fully unfolded position is deployed into, such as Fig. 1 institute
Show.
Claims (5)
1. one kind drives double-deck deployable antenna mechanism, including torsion spring member and scissor mechanism based on scissor mechanism torsional spring, special
Sign is: the torsion spring member includes torsional spring support, torsional spring, pin shaft and rigid hinge, opposite two pieces on the torsional spring support
Two concentric through-holes are respectively arranged in support plate, and each pair of through-hole respectively installs a pin shaft, each nested torsional spring and one on pin shaft
A rigid hinge, the connecting rod that the rigid hinge other end can be opened up with scissors on unit are fixedly connected；The scissor mechanism includes the
One scissor mechanism and the second scissor mechanism, the first scissor mechanism include first layer scissors can Zhan Danyuan, second layer scissors can Zhan Dan
Member and support frame, the first layer scissors can open up unit and include the first base and can open up module composition, and the first base passes through pin shaft
It is connect with module can be opened up, the module of opening up includes first connecting rod, the second connecting rod, first axle, second hinge, third hinge
Chain, the 4th hinge, first connecting rod, second connecting rod, the first scissors bar and the second scissors bar, one end of the first connecting rod and the
The connection of one hinge, while being connect by pin shaft with the first base at axis pin base, the other end is connected by revolute pair and second hinge
It connects, second connecting rod one end is connect with third hinge, while being connect by pin shaft with the first base at axis pin base, another
End is connect by revolute pair with the 4th hinge, and is fixedly connected in rigid hinge hole with the rigid hinge of torsion spring member, described
First connecting rod one end is connect by pin shaft with the second hinge on first connecting rod, and the first connecting rod other end passes through pin shaft and first
The connection of the first axis pin base of scissors bar, described second connecting rod one end are connect by pin shaft with the 4th hinge, and the second connecting rod other end is logical
It crosses pin shaft to connect with the second scissors bar third axis pin base, the second axis pin base of the first scissors bar passes through pin shaft and the second scissors bar
The connection of second axis pin base, the first scissors bar third axis pin base are connect by pin shaft with third hinge, the second scissors bar first
Axis pin base is connect by pin shaft with first axle, and the second layer scissors can open up the structure of unit and connection relationship is cut with first layer
It is identical that formula can open up unit；Support frame as described above include the first strut, the second strut, third strut and the 4th strut, first
Bar one end is connect by pin shaft with the first connecting rod that first layer scissors can open up unit, and the first strut other end passes through pin shaft and the
The connection of two strut one end, the second strut other end are connect by pin shaft with the first base, and third strut one end passes through pin shaft and the
The connection of two strut one end, the third strut other end are connect by pin shaft with the second base, and the 4th strut one end passes through pin shaft and the
The connection of two strut one end, the 4th strut other end are connect by pin shaft with the first connecting rod that second layer scissors can open up unit, institute
Stating base includes the first base and the second base；The structure and connection relationship of second scissor mechanism and the first scissor mechanism are complete
It is exactly the same, the expansion or folding movement for driving scissor mechanism are driven by torsional spring, to realize unfolding and folding for entire mechanism
Behavior.
2. according to claim 1 drive double-deck deployable antenna mechanism based on scissor mechanism torsional spring, it is characterised in that: institute
State first layer scissors can open up unit and second layer scissors can open up in each connecting rod of unit it is nested there are two hinge, wherein the
One connecting rod nesting first axle and second hinge, the second connecting rod nesting third hinge and the 4th hinge, other connecting rods and
Nested hinge sequence and so on；Being nested in the hinge in connecting rod far from base direction simultaneously can move along drive rod direction
It is dynamic.
3. according to claim 1 drive double-deck deployable antenna mechanism based on scissor mechanism torsional spring, it is characterised in that: institute
Stating first layer scissors and can opening up unit includes the identical connecting rod of five structure sizes and ten completely identical in structure hinges.
4. according to claim 1 drive double-deck deployable antenna mechanism based on scissor mechanism torsional spring, it is characterised in that: institute
It states base and is equipped with an axis pin base on one side for the double-deck pentagon base, including the first base and the second base, the every of base,
It is connect by pin shaft with connecting rod at axis pin base.
5. according to claim 1 drive double-deck deployable antenna mechanism based on scissor mechanism torsional spring, it is characterised in that: institute
The structure for stating the first scissors bar and the second scissors bar is identical, is all provided with there are three axis pin base, including the first scissors bar first is sold
Axle bed, first the second axis pin base of scissors bar, the first scissors bar third axis pin base and second the first axis pin base of scissors bar, the second scissors
The second axis pin base of bar, the second scissors bar third axis pin base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810806678.7A CN109149052B (en) | 2018-07-20 | 2018-07-20 | One kind driving double-deck deployable antenna mechanism based on scissor mechanism torsional spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810806678.7A CN109149052B (en) | 2018-07-20 | 2018-07-20 | One kind driving double-deck deployable antenna mechanism based on scissor mechanism torsional spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109149052A CN109149052A (en) | 2019-01-04 |
| CN109149052B true CN109149052B (en) | 2019-09-10 |
Family
ID=64801544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810806678.7A Active CN109149052B (en) | 2018-07-20 | 2018-07-20 | One kind driving double-deck deployable antenna mechanism based on scissor mechanism torsional spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109149052B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112407335B (en) * | 2020-12-10 | 2022-06-03 | 长春工业大学 | Extensible mechanism based on integral tensioning structure |
| CN114802815B (en) * | 2022-05-13 | 2024-05-24 | 南京航空航天大学 | Shear hinge type universal module based on water chestnut lock butt joint and oriented to on-orbit assembly |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6766623B1 (en) * | 2003-03-18 | 2004-07-27 | Peter A. Kalnay | Foldable, expandable framework for a variety of structural purposes |
| US20120095512A1 (en) * | 2010-10-18 | 2012-04-19 | Raj Nihalani | Cross connectors |
| CN102173312B (en) * | 2011-03-10 | 2013-03-13 | 西安空间无线电技术研究所 | Large spatial assembly type antenna reflector modular unit and assembly method thereof |
| CN102820516B (en) * | 2012-08-28 | 2014-09-03 | 西北工业大学 | Planar array expanding mechanism based on square units |
| CN103786906B (en) * | 2014-02-18 | 2017-02-08 | 哈尔滨工业大学深圳研究生院 | Space deployable mechanism |
| US9660334B2 (en) * | 2014-04-02 | 2017-05-23 | R.A. Miller Industries, Inc. | Collapsible ground plane for satcom antenna |
| CN105244629B (en) * | 2015-10-16 | 2017-10-20 | 燕山大学 | 3R 3RSR single-degree-of-freedoms tetrahedrons can open up unit |
| CN206947493U (en) * | 2017-06-21 | 2018-01-30 | 广东侨华科技有限公司 | A kind of antenna structure |
| CN107963571B (en) * | 2017-10-24 | 2019-05-03 | 中南大学 | A kind of scissor lifting device of electromagnetism-screw rod coordinated drive |
| CN108095412B (en) * | 2017-12-01 | 2023-08-15 | 鹭谱达（厦门）户外用品有限公司 | Self-locking folding bed frame |
-
2018
- 2018-07-20 CN CN201810806678.7A patent/CN109149052B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109149052A (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108847518B (en) | One kind imitating cobweb space development agency based on scissors unit | |
| CN109119739B (en) | One kind being based on three structure state transformation space development agency of scissor unit | |
| CN109149052B (en) | One kind driving double-deck deployable antenna mechanism based on scissor mechanism torsional spring | |
| CN107331939B (en) | Scissor-type hexagonal prisms can open up the space development agency of unit and its composition | |
| CN209667394U (en) | A kind of large space development agency | |
| CN110828964B (en) | Torsion spring driven single-layer regular hexagon conical deployable truss antenna structure | |
| CN106314826B (en) | Torsional spring drives scissor-type extending arm | |
| CN106450647A (en) | Shears-fork type hexagonal-prism extensible unit and space extensible mechanism formed by the same | |
| CN109103560B (en) | One kind can open up unit scissor connected double-layer deployable antenna mechanism based on diamond shape | |
| CN109050979A (en) | One kind connecting large space development agency based on scissors folding exhibition unit rigid hinge | |
| CN109110156B (en) | Rigid hinge connection space expandable mechanism based on transformation of triangular prism expandable unit | |
| CN108183308B (en) | Centrosymmetric multi-wing space folding and unfolding mechanism | |
| CN208368710U (en) | One kind being based on three structure state transformation space development agency of scissor unit | |
| CN106025488B (en) | A kind of two-dimensional flat plate antenna expanding unit | |
| CN206059620U (en) | Torsion spring drives scissor-type annular truss deployable antenna mechanism | |
| CN107972888A (en) | The centrosymmetric secondary folding and unfolding mechanism in space | |
| CN208336472U (en) | One kind imitating cobweb space development agency based on scissors unit | |
| CN202611063U (en) | Flat-plate type retraceable roof structure | |
| CN111641020B (en) | Deployable mechanism of triangular prism unit modular planar antenna | |
| CN107902108B (en) | Space folding and unfolding mechanism with crank sliding blocks connected by rigid hinges of folding and unfolding units | |
| CN109080853A (en) | One kind imitating cobweb space development agency based on diamond-shaped element | |
| CN108437718A (en) | A kind of hovercar of vertical lift | |
| CN109110155A (en) | A kind of imitative cobweb large space development agency | |
| CN108858196B (en) | Large-space four-configuration-transformation extensible mechanism | |
| CN107946725B (en) | Folding and unfolding mechanism of double-slider spring combination constraint telescopic rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |