CN106992353A - A kind of New Ring-like Type expandable truss structure - Google Patents
A kind of New Ring-like Type expandable truss structure Download PDFInfo
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- CN106992353A CN106992353A CN201710354907.1A CN201710354907A CN106992353A CN 106992353 A CN106992353 A CN 106992353A CN 201710354907 A CN201710354907 A CN 201710354907A CN 106992353 A CN106992353 A CN 106992353A
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- 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
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Abstract
The invention discloses a kind of New Ring-like Type expandable truss structure, the structure forms the loop configuration of a closing by 3 hinges and 5 hinge connections by multiple class parallelogram element structure compositions, adjacent class parallelogram sturcutre.Each class parallelogram element structure is made up of two montants, two cross bars, two braces, two 5 hinges and two 3 hinges.Two adjacent class parallelogram element structures share a montant, 5 hinges and 3 hinges.The present invention is by the way that cross tube, brace, sheer pole design are dispensed along in three of the horizontal direction planes being parallel to each other, and the motion of each rod member is mutually independent of each other.When truss is drawn in completely, each rod member is vertically distributed, and efficiently reduces the collapsed diameter of truss；Montant is connected with 3 hinges using sliding pair, when truss is drawn in, and 3 hinges can be slided along montant direction, substantially reduces the gathering height of truss.
Description
Technical field
The invention belongs to spaceborne deployable antenna field, specifically a kind of New Ring-like Type expandable truss structure.
Background technology
With the continuous progress of deep space probing technology, to the technical requirements of large-scale satellite antenna also more and more higher.Annular can
Deployable antenna is current more satisfactory large-scale spaceborne because have the advantages that heavy caliber, lightweight, high accuracy, high storage rate
The structure type of antenna.
The annular deployable antennas of the AM-1 of Northrop Grumman companies of the U.S. are defended by many successes applied to space
In star, state-of-the-art spaceborne annular deployable antenna in the world at present.The annular deployable structure of AM-1 antennas is general by 30
Parallelogram element is constituted, and each parallelogram element has the telescopic sleeve diagonally an arranged knot
Structure.By changing the catercorner length of parallelogram element structure, the gathering and expansion of loop aerial are realized.As shown in figure 1,
The cross bar and brace of parallelogram element structure are located in approximately the same plane, so truss is drawn in when arriving certain angle, cross bar
It can be collided with brace, cause structure can not continue gathering, collapsed diameter is bigger than normal.Secondly, 5 hinges of AM-1 antennas and
3 hinges are connected with montant using fixed joint, cause antenna to be drawn in when drawing in highly bigger than normal.
The space of carrier rocket is limited, therefore the gathering volume of antenna is the smaller the better, you can the collapsed diameter of deployable antenna and
Draw in highly the smaller the better.Annular truss is as the supporting construction of whole satellite antenna, and the collapsed diameter of the structure and gathering are high
Degree determines the gathering volume of whole antenna, so it is to design that a kind of collapsed diameter is small, draw highly small annular truss in very much
It is significant.
The content of the invention
The purpose of the present invention is to overcome above-mentioned problems of the prior art, it is proposed that a kind of new circular periphery can
Expanded truss structure, can reduce the gathering height of annular truss by reducing the collapsed diameter of annular truss, thus effectively compared with
The gathering volume of miniature antenna.
Technical scheme：A kind of New Ring-like Type expandable truss structure, including multiple class parallelogram sturcutres
Unit, adjacent class parallelogram sturcutre unit forms the ring junction of a closing by 3 hinges and 5 hinge connections
Structure；One of class parallelogram sturcutre unit includes two montants of the first montant and the second montant, the first cross bar and second
Two cross bars of cross bar, two braces of the first brace and the second brace, 5 points of hinges of the one or five hinge and the two or five hinge two
3 hinges of chain and the one or three hinge and the two or three hinge two；The upper end of first montant connects the one or five point of hinge
Chain, the lower end of the second montant connects the two or five hinge, and the first montant is also slidably connected the one or three hinge, second along its bar length
Montant is also slidably connected the two or three hinge along its bar length, wherein, wherein the one or five hinge and the two or three hinge are located at the
The same side of one montant and the second montant；One or three hinge and the two or five hinge are located at the another of the first montant and the second montant
Side；The left end of first cross bar and the one or five hinge connection, right-hand member and the two or three hinge connection；Second cross bar
Left end and the one or three hinge connection, right-hand member and the two or five hinge connection；The axis of first brace and the second brace
It is identical, connected using sliding pair, the two constitutes Telescopic rod structure, the first brace is located at the top of the second brace, and described first is oblique
The upper end of bar connects the one or five hinge, and the lower end of the second brace connects the two or five hinge；The New Ring-like Type expandable truss
Two neighboring piece montant of class parallelogram sturcutre units shared, 5 hinges and 3 hinges of structure；Institute
State the first cross bar, two braces and the second cross bar to be distributed in respectively in three fore-and-aft planes being parallel to each other, the first cross bar position
In internal layer fore-and-aft plane, the first brace and the second brace are located at middle fore-and-aft plane, and the second cross bar is located at outer layer fore-and-aft plane.
Pass through sliding pair between above-mentioned first montant and the one or three hinge, between the second montant and the two or three hinge
Connection.
Pass through revolute pair between above-mentioned first cross bar and the two or three hinge, between the second cross bar and the one or three hinge
Connection.
Pass through fixed joint between above-mentioned first montant and the one or five hinge, between the second montant and the two or five hinge
Connection.
Above-mentioned first brace and the second brace are connected using sliding pair.
The New Ring-like Type expandable truss structure also includes two driving ropes, and first driving rope is from the first montant
The one or five hinge interface start, through the first cross bar, enter next class further around the pulley that the second montant upper end sets is crossed
First cross bar of parallelogram sturcutre unit, the one or the five hinge interface terminated on the first montant；Article 2 driving rope
Rope, through the second cross bar, enters since the two or five hinge interface on the second cross bar further around the pulley for crossing the first montant lower end
Enter the second cross bar of next class parallelogram sturcutre unit, the two or the five hinge interface terminated on the second montant；The
One main the first cross bar along annular expandable truss structure of driving rope is distributed, and Article 2 driving rope is main can along annular
The second cross bar distribution of expanded truss structure；The set that two braces composition of each class parallelogram sturcutre unit is slidably connected
A driving spring is provided with barrel structure, tube-in-tube structure；The contraction of driving rope and driving spring elongation is driven to realize by motor whole
The expansion of individual annular expandable truss structure.
Beneficial effects of the present invention：The present invention is by the adjacent class parallelogram element structure of annular expandable truss structure
It is connected by 5 hinges being fixed on montant with 3 hinges slided along montant direction.Cross tube, brace and lower horizontal stroke
Bar design is dispensed along in three planes of horizontal direction, and cross tube is located at interior layer plane, and brace is located at mid-plane, sheer pole
Positioned at outer layer plane.Annular truss is when drawing in, and cross tube, brace and sheer pole are just respectively in three planes being parallel to each other
It will not be collided between motion, rod member.When truss is drawn in completely, each rod member is vertically distributed, can be effectively
Reduce the collapsed diameter of truss.Secondly, 3 hinges are connected with montant using sliding pair, and when truss is drawn in, 3 hinges can edge
Montant direction is slided, and can greatly reduce the gathering height of truss.
The present invention is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the adjacent cells schematic diagram of existing circular periphery truss；
Fig. 2 is class parallelogram sturcutre cell schematics of the invention；
Fig. 3 a are the first vertical bar structure schematic diagram in Fig. 2；
Fig. 3 b are the second vertical bar structure schematic diagram in Fig. 2；
Fig. 4 a are 5 hinge schematic diagrames one of the adjacent cells of the present invention；
Fig. 4 b are 5 hinge schematic diagrames two of the adjacent cells of the present invention；
Fig. 4 c are 3 hinge schematic diagrames one of the adjacent cells of the present invention；
Fig. 4 d are 3 hinge schematic diagrames two of the adjacent cells of the present invention；
Fig. 5 draws state schematic diagram in completely for the annular truss of the present invention；
Fig. 6 is the partially unfolded state schematic diagram of annular truss of the invention；
Fig. 7 is fully deployed state schematic diagram for the annular truss of the present invention.
Embodiment
Embodiment 1：
Present embodiments provide a kind of New Ring-like Type expandable truss structure, including multiple class parallelogram sturcutre lists
Member, adjacent class parallelogram sturcutre unit forms the ring junction of a closing by 3 hinges and 5 hinge connections
Structure；As shown in Fig. 2 one of class parallelogram sturcutre unit is identical including 2 liang of root architectures of the first montant 1 and the second montant
Montant, 4 liang of root architecture identical cross bars of the first cross bar 3 and the second cross bar, 6 two braces of the first brace 5 and the second brace,
First Five-Year Plan point hinge 7 and the two or five 8 two, the hinge hinge of structure identical 5 and the one or three hinge 9 and the two or three point of hinge
10 two, the chain hinge of structure identical 3；The upper end of first montant 1 is connected under the one or five hinge 7, the second montant 2
The two or five hinge 8 of end connection, the first montant 1 is also slidably connected the one or three hinge 9 along its bar length, and the second montant 2 is along its bar
Long the two or three hinge 10 that be also slidably connected, wherein, wherein the one or five hinge 7 and the two or three hinge 10 are located at the first montant
1 and second montant 2 the same side；One or three hinge 9 and the two or five hinge 8 are located at the another of the first montant 1 and the second montant 2
Side；The left end of first cross bar 3 is connected with the one or five hinge 7, and right-hand member is connected with the two or three hinge 10；Described second
The left end of cross bar 4 is connected with the one or three hinge 9, and right-hand member is connected with the two or five hinge 8；First brace 5 and second is oblique
The axis of bar 6 is identical, is connected using sliding pair, and the two constitutes Telescopic rod structure, and the first brace 5 is located at the top of the second brace 6,
The upper end of first brace 5 connects the one or five hinge 7, and the lower end of the second brace 6 connects the two or five hinge 8；This is new
Two neighboring piece montant of class parallelogram sturcutre units shared, 5 hinges and one of annular expandable truss structure
Individual 3 hinges；It is illustrated in figure 3 the structural representation of adjacent montant, 5 hinges and 3 hinges.Described first is horizontal
Bar 3, two braces and the second cross bar 4 are distributed in three fore-and-aft planes being parallel to each other respectively, and the first cross bar 3 is located at internal layer
Fore-and-aft plane, the first brace 5 and the second brace 6 are located at middle fore-and-aft plane, and the second cross bar 4 is located at outer layer fore-and-aft plane.Fig. 4 institutes
5 hinges and 3 hinge arrangement schematic diagrames of adjacent class parallelogram sturcutre unit are shown as, can be drawn with reference to Fig. 2 and 3
In a class parallelogram sturcutre unit, the first cross bar 3, two braces, the second cross bar 4 is parallel to each other positioned at three respectively
Fore-and-aft plane in, the first cross bar 3 is located at interior layer plane, and two braces are located at mid-plane, and the second cross bar is located at outer layer plane.
So, the first cross bar 3, the first brace 5 and the second brace 6, the second cross bar 4 are respectively in three phases during annular truss is drawn in
Mutually parallel move in plane, does not interfere with each other.When truss is drawn in completely, each rod member is vertically distributed, can be effective
Ground reduces the collapsed diameter of truss.Secondly, 3 hinges are connected with montant using sliding pair, and when truss is drawn in, 3 hinges can
Slided along montant direction, the gathering height of truss can be greatly reduced.
Embodiment 2：
On the basis of embodiment 1, between first montant 1 and the one or three hinge 9, the second montant 2 and the 2nd 3
Connected between point hinge 10 by sliding pair.Between first cross bar 3 and the two or three hinge 10, the second cross bar 4 and
Connected between one or three hinges 9 by revolute pair.Between first montant 1 and the one or five hinge 7, the second montant 2 with
Connected between two or five hinge 8 by fixed joint.The brace 6 of first brace 5 and second is connected using sliding pair, the two
Form telescopic sleeve structure.
The New Ring-like Type expandable truss structure also includes two driving ropes, and it is driven using two driving ropes and spring
Dynamic to be deployed, first bar of driving rope is since the one or five interface of hinge 7 on the first montant 1, through the first cross bar 3,
Enter the first cross bar 3 of next class parallelogram sturcutre unit further around the pulley for crossing the setting of the upper end of the second montant 2, terminate at
The one or five interface of hinge 7 on first montant 1；Article 2 drives rope from the two or five interface of hinge 8 on the second cross bar 4
Start, through the second cross bar 4, enter next class parallelogram sturcutre unit further around the pulley for crossing the lower end of the first montant 1
Second cross bar 4, the two or five interface of hinge 8 terminated on the second montant 2；First driving rope is main deployable along annular
First cross bar 3 of truss structure is distributed, main 4 points of the second cross bar along annular expandable truss structure of Article 2 driving rope
Cloth；One is provided with the tube-in-tube structure that two braces composition of each class parallelogram sturcutre unit is slidably connected, tube-in-tube structure
Driving spring；Drive driving rope to shrink by motor and the exhibition for realizing whole annular expandable truss structure is extended with driving spring
Open.
The annular truss of the New Ring-like Type expandable truss structure of the present invention is driven using rope.Along parallelogram element
Brace, the first cross bar and the second cross bar arrangement three ropes.Rope lengths are changed by motor, the expansion of annular truss is realized
With gathering.In order to ensure the synchronism of each parallelogram element expansion, the brace of adjacent parallelogram unit is used synchronously
Gear is connected.
Fig. 5 draws state schematic diagram in completely for the annular truss of the present invention, and each rod member is vertically distributed.Fig. 6 is
The partially unfolded schematic diagram of annular truss.Fig. 7 is fully deployed state schematic diagram for annular truss.
, can with an annular being made up of 12 parallelogram elements using size rod member identical with Fig. 7 annular truss
Exemplified by expanded truss, it is 220mm that it, which draws external diameter in, and expansion external diameter is 2770mm.It is 1037mm to draw height in, and expansion height is
1012mm。
In summary, the New Ring-like Type expandable truss structure that the present invention is provided, the structure is by multiple class parallelogram
Cellular construction is constituted, and adjacent class parallelogram sturcutre forms the ring of a closing by 3 hinges and 5 hinge connections
Shape structure.Each class parallelogram element structure is by two montants, two cross bars, two braces, two 5 hinges and two
Individual 3 hinges composition.The shared montant of two adjacent class parallelogram element structures, 5 hinges and one
3 hinges.The present invention by by cross tube, brace, sheer pole design be dispensed along three of horizontal direction be parallel to each other it is flat
In face, the motion of each rod member is mutually independent of each other.When truss is drawn in completely, each rod member is vertically distributed, effectively
Reduce the collapsed diameter of truss；Montant is connected with 3 hinges using sliding pair, when truss is drawn in, and 3 hinges can be along perpendicular
Bar direction is slided, and substantially reduces the gathering height of truss.
There is no the part described in detail to belong to the known conventional means of the industry in present embodiment, do not chat one by one here
State.It is exemplified as above be only to the present invention for example, do not constitute the limitation to protection scope of the present invention, it is every with this
The same or analogous design of invention is belonged within protection scope of the present invention.
Claims (6)
1. a kind of New Ring-like Type expandable truss structure, it is characterised in that adjacent including multiple class parallelogram sturcutre units
Class parallelogram sturcutre unit pass through 3 hinges and 5 hinge connections form the loop configuration of a closing；Wherein one
Individual class parallelogram sturcutre unit includes (2) two montants of the first montant (1) and the second montant, the first cross bar (3) and second
(4) two cross bars of cross bar, (6) two braces of the first brace (5) and the second brace, the one or five hinge (7) and the two or five point of hinge
(8) two 5 hinges of chain and (10) two 3 hinges of the one or three hinge (9) and the two or three hinge；Described first erects
The upper end of bar (1) connects the one or five hinge (7), and the lower end of the second montant (2) connects the two or five hinge (8), the first montant
(1) also it is slidably connected the one or three hinge (9) along its bar length, the second montant (2) is slidably connected the two or three hinge along its bar length
(10), wherein, wherein the one or five hinge (7) and the two or three hinge (10) are located at the first montant (1) and the second montant (2)
The same side；One or three hinge (9) and the two or five hinge (8) are located at the opposite side of the first montant (1) and the second montant (2)；
The left end of first cross bar (3) is connected with the one or five hinge (7), and right-hand member is connected with the two or three hinge (10)；Described
The left end of two cross bars (4) is connected with the one or three hinge (9), and right-hand member is connected with the two or five hinge (8)；First brace
(5) it is identical with the axis of the second brace (6), and connected using sliding pair, the two constitutes Telescopic rod structure, the first brace (5)
Top positioned at the second brace (6), the upper end of first brace (5) connects the one or five hinge (7), the second brace (6)
Lower end connects the two or five hinge (8)；
Two neighboring piece montant of class parallelogram sturcutre units shared of the New Ring-like Type expandable truss structure, one five
Point hinge and 3 hinges；First cross bar (3), two braces and the second cross bar (4) are distributed in three phases respectively
Mutually in parallel fore-and-aft plane, the first cross bar (3) is located at internal layer fore-and-aft plane, during the first brace (5) and the second brace (6) are located at
Between fore-and-aft plane, the second cross bar (4) be located at outer layer fore-and-aft plane.
2. a kind of New Ring-like Type expandable truss structure as claimed in claim 1, it is characterised in that first montant (1)
It is connected between the one or three hinge (9), between the second montant (2) and the two or three hinge (10) by sliding pair.
3. a kind of New Ring-like Type expandable truss structure as claimed in claim 1, it is characterised in that first cross bar (3)
It is connected between the two or three hinge (10), between the second cross bar (4) and the one or three hinge (9) by revolute pair.
4. a kind of New Ring-like Type expandable truss structure as claimed in claim 1, it is characterised in that first montant (1)
It is connected between the one or five hinge (7), between the second montant (2) and the two or five hinge (8) by fixed joint.
5. a kind of New Ring-like Type expandable truss structure as claimed in claim 1, it is characterised in that first brace (5)
Connected with the second brace (6) using sliding pair.
6. a kind of New Ring-like Type expandable truss structure as claimed in claim 1, it is characterised in that the New Ring-like Type is deployable
Truss structure also includes two driving ropes, and first article drives rope from the one or five hinge (7) interface on the first montant (1)
Start, through the first cross bar (3), enter next class parallelogram knot further around the pulley for crossing the setting of the second montant (2) upper end
The first cross bar (3) of structure unit, the one or five hinge (7) interface terminated on the first montant (1)；Article 2 drive rope from
The two or five hinge (8) interface on second cross bar (4) starts, through the second cross bar (4), further around the first montant (1) lower end excessively
Pulley enter next class parallelogram sturcutre unit the second cross bar (4), the two or five terminated on the second montant (2)
Point hinge (8) interface；First main the first cross bar (3) along annular expandable truss structure of driving rope is distributed, Article 2
Main the second cross bar (4) along annular expandable truss structure of rope is driven to be distributed；Each class parallelogram sturcutre unit
A driving spring is provided with the tube-in-tube structure that two brace compositions are slidably connected, tube-in-tube structure；Driving rope is driven by motor
Shrink and driving spring extends the expansion for realizing whole annular expandable truss structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354907.1A CN106992353B (en) | 2017-05-19 | 2017-05-19 | A kind of New Ring-like Type expandable truss structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354907.1A CN106992353B (en) | 2017-05-19 | 2017-05-19 | A kind of New Ring-like Type expandable truss structure |
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| CN106992353A true CN106992353A (en) | 2017-07-28 |
| CN106992353B CN106992353B (en) | 2019-02-26 |
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| CN107882863A (en) * | 2017-09-29 | 2018-04-06 | 西安空间无线电技术研究所 | A kind of Novel sliding expansion hinge of super large caliber antenna |
| CN108417991A (en) * | 2018-01-25 | 2018-08-17 | 清华大学 | It is a kind of for annular truss formula reflector can synchronous expansion ring beam |
| CN108598662A (en) * | 2018-03-27 | 2018-09-28 | 西安电子科技大学 | A kind of dual-layer Parallel quadrangle annular expandable truss |
| CN109638404A (en) * | 2018-10-31 | 2019-04-16 | 西安电子科技大学 | A kind of novel three-layer network shape deployable antenna truss structure with wave beam forming |
| CN110085964A (en) * | 2019-04-30 | 2019-08-02 | 西安电子科技大学 | The netted annular deployable antenna of one kind and antenna truss |
| CN111082227A (en) * | 2019-12-31 | 2020-04-28 | 河南爱科瑞特电子科技有限公司 | Vehicle-mounted self-unfolding logarithmic period antenna and use method |
| CN111934079A (en) * | 2020-09-04 | 2020-11-13 | 西安电子科技大学 | Peripheral truss structure of annular deployable antenna |
| CN111934098A (en) * | 2020-09-05 | 2020-11-13 | 西安电子科技大学 | Annular deployable antenna truss based on bennett mechanism |
| CN113882656A (en) * | 2021-03-30 | 2022-01-04 | 枫泊模板科技（上海）有限公司 | Foldable large formwork top pouring platform bearing support |
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| CN107882863A (en) * | 2017-09-29 | 2018-04-06 | 西安空间无线电技术研究所 | A kind of Novel sliding expansion hinge of super large caliber antenna |
| CN108417991A (en) * | 2018-01-25 | 2018-08-17 | 清华大学 | It is a kind of for annular truss formula reflector can synchronous expansion ring beam |
| CN108417991B (en) * | 2018-01-25 | 2020-09-15 | 清华大学 | Synchronously-deployable ring beam for annular truss type reflector |
| CN108598662A (en) * | 2018-03-27 | 2018-09-28 | 西安电子科技大学 | A kind of dual-layer Parallel quadrangle annular expandable truss |
| CN108598662B (en) * | 2018-03-27 | 2020-03-13 | 西安电子科技大学 | Double-layer parallelogram annular expandable truss |
| CN109638404A (en) * | 2018-10-31 | 2019-04-16 | 西安电子科技大学 | A kind of novel three-layer network shape deployable antenna truss structure with wave beam forming |
| CN110085964A (en) * | 2019-04-30 | 2019-08-02 | 西安电子科技大学 | The netted annular deployable antenna of one kind and antenna truss |
| CN111082227A (en) * | 2019-12-31 | 2020-04-28 | 河南爱科瑞特电子科技有限公司 | Vehicle-mounted self-unfolding logarithmic period antenna and use method |
| CN111934079A (en) * | 2020-09-04 | 2020-11-13 | 西安电子科技大学 | Peripheral truss structure of annular deployable antenna |
| CN111934098A (en) * | 2020-09-05 | 2020-11-13 | 西安电子科技大学 | Annular deployable antenna truss based on bennett mechanism |
| CN113882656A (en) * | 2021-03-30 | 2022-01-04 | 枫泊模板科技（上海）有限公司 | Foldable large formwork top pouring platform bearing support |
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