CN206059620U - Torsion spring drives scissor-type annular truss deployable antenna mechanism - Google Patents
Torsion spring drives scissor-type annular truss deployable antenna mechanism Download PDFInfo
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- CN206059620U CN206059620U CN201621022288.3U CN201621022288U CN206059620U CN 206059620 U CN206059620 U CN 206059620U CN 201621022288 U CN201621022288 U CN 201621022288U CN 206059620 U CN206059620 U CN 206059620U
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- torsion spring
- folding exhibition
- exhibition unit
- floral disc
- connecting rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 230000001815 facial effect Effects 0.000 claims abstract description 5
- 230000001413 cellular effect Effects 0.000 claims abstract description 3
- 238000010276 construction Methods 0.000 claims abstract description 3
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 2
- 239000000523 sample Substances 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
A kind of torsion spring drives scissor-type annular truss deployable antenna mechanism, including N number of folding exhibition unit, and each folding exhibition cellular construction is identical, and adjacent folding exhibition unit constitutes how facial annular truss by the two floral disc connections up and down for sharing.Each folding exhibition unit includes two scissors rods, two groups of torsion spring drive components, four connecting rods and four floral discs.In same folding exhibition unit, scissors rod is parallel with all of turns auxiliary shaft line on connecting rod.This utility model has that rigidity is higher, motion flexibly, fold than it is big the characteristics of, driven using torsion spring, integrated model launches that process is very fast, and response is rapid, can be applicable on communications satellite, space station and space probe.
Description
Technical field
The present invention relates to a kind of deployable antenna mechanism.
Background technology
Development agency originates from the sixties in 20th century, and which is integrated by prefabricated unit, can be in initial tight configuration and work
Make to change between the expansion configuration of state, which typically there are two kinds of steady statues：Rounding state and its fully unfolded position (work completely
State).With developing rapidly for the causes such as manned space flight, earth observation, survey of deep space and space communication, all kinds of aerospace engineering
The size of the space mechanism of middle needs is increasing, to meet the demand of different space missions, but is subject to spaceflight delivering tool
The useful space holds the restriction in storehouse, needs design with the big space development agency for folding ratio, in transmitting and haulage stage in folding
Overlapping state is simultaneously drawn in trouserss, reinflated to working condition after spacecraft injection.
Launched according to development agency and tucked way, development agency can be divided into hinged truss formula development agency, deformation material
Material development agency and gas-filled unfolded development agency, hinged truss formula development agency are mainly made up of connecting rod and kinematic pair, this
Class mechanism have the advantages that to draw in fold than larger, high precision, it is repeatable draw that extensibility is good and life-span length in, it is wide at present
It is general to be applied to the fields such as space station basic skeleton, space mast and heavy caliber folding exhibition antenna.
Large Deployable satellite antenna is the key technology in satellite development work, and electronic reconnaissance, data are relayed, led over the ground
The tasks such as boat propose high-gain requirement to satellite antenna, and directly increase reflector bore is that raising antenna gain is most effective
Approach, hinged truss formula development agency is adopted existing spaceborne Deployable antenna more, annular truss mechanism is using relatively broad
One kind, but existing annular truss class of establishment is less, and has that rigidity is relatively low, drive complicated, expansion process slow
With the problem of motor heavier mass.Therefore, need badly and propose that anufacturability is good, rigidity is high, expansion process is rapid, actuator
The annular truss deployable antenna mechanism of the more low function admirable of quality, to meet the demand of different space missions.
The content of the invention
It is an object of the invention to provide a kind of anufacturability is good, rigidity is high, rapid, actuator quality of launching process compared with
Low torsion spring drives scissor-type annular truss deployable antenna mechanism.
Torsion spring of the present invention drives scissor-type annular truss deployable antenna mechanism, including N number of folding exhibition unit, each folding exhibition unit
Structure is identical, and adjacent folding exhibition unit constitutes how facial annular truss by the two floral disc connections up and down for sharing.The folding
Exhibition unit, mainly includes two scissors rods, two groups of torsion spring drive components, four connecting rods and four floral discs.Described two scissors rods
Structure is identical, by rotating secondary connection in the middle of two scissors rods；The torsion spring drive component, which mainly includes a torsion spring
Bearing, two torsion springs and two bearing pins, the relative two boards of torsion spring bearing are provided with the through hole of two pairs of coaxial lines, in each pair through hole
A bearing pin is respectively set, a torsion spring on every bearing pin, is cased with, one end of torsion spring is supported on torsion spring base-plate, and torsion spring is another
End is supported on the fork pawl of connecting rod, and the end that connecting rod is connected with torsion spring bearing is provided with the fork pawl being placed in torsion spring bearing, on fork pawl
Two through hole be enclosed within the bearing pin of torsion spring block end；Four bar linkage structures of each folding exhibition unit are identical, and which sets fork pawl
One end passes through bearing pin and torsion spring bearing and torsion spring connection, and the other end is connected by rotating secondary and floral disc；Four floral discs knot
Structure is identical, and which is the crank throw in plane up and down, and crank throw both sides respectively set an open slot, and the opening of open slot is located at crank throw
Two free ends, crank throw both sides with cross bending part plane be symmetrical, the angle between floral disc both-side opening groove center face is
(180-360/N) °, it is respectively equipped with two relative cell walls of each open slot in inside and outside two pairs of through holes, each pair through hole and respectively sets
A piece bearing pin, its axis are parallel with floral disc top and bottom, and floral disc outer through holes are connected by rotating pair with the connecting rod of insertion, four
In connecting rod, two scissors rods for rotating pair, floral disc interior bone and insertion are connected with every connecting rod and are connected by rotating pair, four
Individual floral disc is symmetrically distributed on four summits of folding exhibition unit；It is all of on scissors rod and connecting rod in same folding exhibition unit to rotate secondary
Axis is parallel.
The present invention has advantages below compared with prior art：
1st, rigidity of the invention is higher, can fully meet the use rigidity requirement of space large caliber deployable antenna；
2nd, the present invention has the advantages that motion is flexible, folds than larger.
3rd, present configuration is simple, it is easy to accomplish engineering is manufactured.
4th, the present invention is driven using torsion spring, and integrated model launches process comparatively fast, and response is rapid.
5th, embodiment of the present invention is simple, and reliability is high, can be applicable on communications satellite, space station and space probe.
Description of the drawings
Fig. 1 is that the present invention is fully deployed three-dimensional simplified schematic diagram；
Fig. 2 is that the present invention half launches three-dimensional simplified schematic diagram；
Fig. 3 is that the present invention draws three-dimensional simplified schematic diagram completely in；
Fig. 4 is that the folding exhibition unit of the present invention is fully deployed three-dimensional simplified schematic diagram；
Fig. 5 is that the folding exhibition unit half of the present invention launches three-dimensional simplified schematic diagram；
Fig. 6 is that the folding exhibition unit of the present invention draws three-dimensional simplified schematic diagram completely in；
Fig. 7 is that the folding of the present invention opens up torsion spring drive component solid simplified schematic diagram in unit；
Fig. 8 is the floral disc solid simplified schematic diagram of the present invention.
In figure：A：Folding exhibition unit, B：Torsion spring drive component；C1：Rotate secondary, C2：Rotate secondary, C3：Rotate secondary；1：Floral disc,
2：Scissors rod, 3：Connecting rod, 4：Connecting rod fork pawl, 5：Torsion spring bearing, 6：Bearing pin, 7：Torsion spring.
Specific embodiment
The three-dimensional of scissor-type annular truss deployable antenna mechanism is driven to illustrate letter in the torsion spring shown in Fig. 1, Fig. 2 and Fig. 3
In figure, including 12 folding exhibition unit A, each exhibition cellular construction of rolling over is identical, and adjacent folding exhibition unit is by shared two up and down
Floral disc connects, and constitutes how facial annular truss.Whole torsion spring drives scissor-type annular truss deployable antenna mechanism deploying and receipts
How facial hoop truss structure is after holding together.
The folding exhibition unit of scissor-type annular truss deployable antenna mechanism is driven to stand in the torsion spring shown in Fig. 4, Fig. 5 and Fig. 6
In body simplified schematic diagram, the folding exhibition unit A mainly includes four connecting rods 3 of scissors rod 2, four of floral disc 1, two and two groups of torsion springs
Drive component B.Four disc chuck structures are identical, as shown in figure 8, which is the crank throw in plane up and down, crank throw both sides are each
If an open slot, the opening of open slot is located at two free ends of crank throw, floral disc both sides with the plane for crossing bending top be it is symmetrical,
Angle between floral disc both-side opening groove center face is 150 °, and (angle is (180-360/N) °, and the value of N is for 12) herein.At each
Be respectively equipped with inside and outside two pairs of through holes on two relative cell walls of open slot, in each pair through hole, respectively set a bearing pin, its axis with
Floral disc top and bottom are parallel.Four floral disc interior bones are connected by rotating secondary C1 with two scissors rod one end of insertion respectively, should
Two scissors rod structures are identical, and by rotating secondary C2 connections, then four floral discs are symmetrically distributed in folding exhibition at their middle part
On four summits of unit.Four floral disc outer through holes are connected by rotating secondary C3 with four connecting rod one end of insertion respectively, should
The other end of four connecting rods sets connecting rod fork pawl 4, wherein in the torsion spring bearing 5 that is placed on of two connecting rod fork pawls above, below
In the underlaid torsion spring bearing of fork pawl of two connecting rods, its attachment structure and type of attachment all same.As shown in fig. 7, torsion spring
The relative two boards of bearing are provided with the through hole of two pairs of coaxial lines, each pair through hole and respectively set a bearing pin 6, cover on every bearing pin
The one end for having a torsion spring 7, the torsion spring is supported on torsion spring base-plate, and the torsion spring other end is supported on the fork pawl of connecting rod, fork
Two through hole on pawl is enclosed within the bearing pin of torsion spring block end.It is all of on scissors rod and connecting rod in same folding exhibition unit to rotate secondary
Axis is parallel.The open slot of four floral disc opposite sides of the folding exhibition unit is connected with two adjacent folding exhibition units respectively, and
And connect when floral disc tip outwardly.
Claims (2)
1. a kind of torsion spring drives scissor-type annular truss deployable antenna mechanism, it is characterised in that：Unit is opened up including N number of folding, respectively
Folding exhibition cellular construction is identical, and adjacent folding exhibition unit constitutes how facial annular purlin by the two floral disc connections up and down for sharing
Frame.
2. torsion spring according to claim 1 drives scissor-type annular truss deployable antenna mechanism, it is characterised in that：It is described
Folding exhibition unit, including two scissors rods, two groups of torsion spring drive components, four connecting rods and four floral discs, described two scissors rod knots
Structure is identical, by rotating secondary connection in the middle of two scissors rods；The torsion spring drive component, which is mainly including a torsion spring
Seat, two torsion springs and two bearing pins, the relative two boards of torsion spring bearing are provided with the through hole of two pairs of coaxial lines, each in each pair through hole
If a bearing pin, a torsion spring on every bearing pin, is cased with, one end of torsion spring is supported on torsion spring base-plate, the torsion spring other end
It is supported on the fork pawl of connecting rod, the end that connecting rod is connected with torsion spring bearing is provided with the fork pawl being placed in torsion spring bearing, on fork pawl
Two through hole is enclosed within the bearing pin of torsion spring block end；Four bar linkage structures of each folding exhibition unit are identical, and which sets fork pawl one
End is connected by rotating secondary and floral disc by bearing pin and torsion spring bearing and torsion spring connection, the other end；Four disc chuck structures
Identical, which is the crank throw in plane up and down, and crank throw both sides respectively set an open slot, and the opening of open slot is located at crank throw
Two free ends, crank throw both sides are symmetrical with the plane for crossing bending part, and the angle between floral disc both-side opening groove center face is 180-
360/N °, it is respectively equipped with two relative cell walls of each open slot in inside and outside two pairs of through holes, each pair through hole and respectively sets a pin
Axle, its axis are parallel with floral disc top and bottom, and the connecting rod of floral disc outer through holes and insertion is by rotating secondary connection, four connecting rods
In, two being connected with every connecting rod and rotates secondary, the scissors rod of floral disc interior bone and insertion is by rotating secondary connection, four flowers
Disk is symmetrically distributed on four summits of folding exhibition unit；All of turns auxiliary shaft line on scissors rod and connecting rod in same folding exhibition unit
It is parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621022288.3U CN206059620U (en) | 2016-08-31 | 2016-08-31 | Torsion spring drives scissor-type annular truss deployable antenna mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621022288.3U CN206059620U (en) | 2016-08-31 | 2016-08-31 | Torsion spring drives scissor-type annular truss deployable antenna mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN206059620U true CN206059620U (en) | 2017-03-29 |
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| CN201621022288.3U Expired - Fee Related CN206059620U (en) | 2016-08-31 | 2016-08-31 | Torsion spring drives scissor-type annular truss deployable antenna mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229603A (en) * | 2016-08-31 | 2016-12-14 | 燕山大学 | Torsion spring drives scissor-type annular truss deployable antenna mechanism |
| CN107284693A (en) * | 2017-06-08 | 2017-10-24 | 天津大学 | A kind of drag-line drives anti-singular point hinge |
| CN107425295A (en) * | 2017-07-07 | 2017-12-01 | 燕山大学 | It is a kind of to be layered the umbrella deployable antenna taken down the exhibits |
| CN107658570A (en) * | 2017-08-29 | 2018-02-02 | 西北工业大学 | A kind of solid face reflector antenna of deployable high accuracy |
-
2016
- 2016-08-31 CN CN201621022288.3U patent/CN206059620U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229603A (en) * | 2016-08-31 | 2016-12-14 | 燕山大学 | Torsion spring drives scissor-type annular truss deployable antenna mechanism |
| CN107284693A (en) * | 2017-06-08 | 2017-10-24 | 天津大学 | A kind of drag-line drives anti-singular point hinge |
| CN107284693B (en) * | 2017-06-08 | 2019-08-06 | 天津大学 | A kind of anti-singular point hinge of drag-line driving |
| CN107425295A (en) * | 2017-07-07 | 2017-12-01 | 燕山大学 | It is a kind of to be layered the umbrella deployable antenna taken down the exhibits |
| CN107425295B (en) * | 2017-07-07 | 2023-06-16 | 燕山大学 | Layered foldable umbrella-shaped expandable antenna |
| CN107658570A (en) * | 2017-08-29 | 2018-02-02 | 西北工业大学 | A kind of solid face reflector antenna of deployable high accuracy |
| CN107658570B (en) * | 2017-08-29 | 2020-10-27 | 西北工业大学 | Deployable high-precision solid-surface reflecting surface antenna |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 |