CN109149052A - 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
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- CN109149052A CN109149052A CN201810806678.7A CN201810806678A CN109149052A CN 109149052 A CN109149052 A CN 109149052A CN 201810806678 A CN201810806678 A CN 201810806678A CN 109149052 A CN109149052 A CN 109149052A
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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
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, specific structure and connection relationship are as follows:
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 that first layer scissors can open up unit, second layer scissors can open up list
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, described first connecting rod one end and first
Hinge connection, while being connect by pin shaft with the first base at axis pin base, the other end is connect by revolute pair with second hinge,
The structure and connection relationship of second connecting rod are identical with first connecting rod, described first connecting rod one end by pin shaft with
Second hinge connection on first connecting rod, the first connecting rod other end are connect by pin shaft with first the first axis pin base of scissors bar,
Described second connecting rod one end is connect by pin shaft with the 4th hinge, and the second connecting rod other end passes through pin shaft and the second scissors bar third
Axis pin base connection, the second axis pin base of the first scissors bar are connect by pin shaft with second the second axis pin base of scissors bar, and first cuts
Formula bar third axis pin base is connect by pin shaft with third hinge, and the first axis pin base of the second scissors bar passes through pin shaft and the first hinge
Chain link, the second layer scissors can open up the structure of unit and connection relationship with first layer scissors can to open up unit identical；Institute
Stating support frame includes the first strut, the second strut, third strut and the 4th strut, and first strut one end passes through pin shaft and first layer
Scissors can open up the first connecting rod connection of unit, and the first strut other end is connect by pin shaft with second strut one end, and second
The bar other end is connect by pin shaft with the first base, and third strut one end is connect by pin shaft with second strut one end, third branch
The bar other end is connect by pin shaft with the second base, and the 4th strut one end is connect by pin shaft with second strut one end, and the 4th
The bar other end is connect by pin shaft with the first connecting rod that second layer scissors can open up unit, and the base includes the first base and the
Two bases；The structure and connection relationship of second scissor mechanism are identical with the first scissor mechanism.
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.
Connect in the figure, it is marked as 1. first layer scissors can open up unit, the first base of 1-1., 1-2. first axle, 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 open up unit, the first scissor mechanism of 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, specific structure and connection relationship are as follows:
The torsion spring member 2 includes torsional spring support 2-1, torsional spring 2-2, pin shaft 2-3 and rigid hinge 2-4, the torsional spring branch
Two concentric through-holes are respectively arranged in two pieces of opposite support plates on seat 2-1, and each pair of through-hole respectively installs a pin shaft 2-3, pin shaft
A upper each nested torsional spring 2-2 and rigid hinge 2-4 of 2-3, the rigid hinge 2-4 other end and scissors can open up the company on unit
Extension bar is fixedly connected；The scissor mechanism includes the first scissor mechanism A and the second scissor mechanism B, and the first scissor mechanism A includes the
One layer of scissors can open up unit 1, second layer scissors can open up unit 3 and support frame, and it includes first that the first layer scissors, which can open up unit 1,
Base 1-1 is connect by pin shaft with that can open up module with that can open up module composition, the first base 1-1, and 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,
One connecting rod 1-5, second connecting rod 1-9, the first scissors bar 1-6 and the second scissors bar 1-7, one end the first connecting rod 1-3 and the
One hinge 1-2 connection, while being connect by pin shaft with the first base 1-1 at axis pin base, the other end passes through revolute pair and second
Hinge 1-4 connection, the structure and connection relationship of the second connecting rod 1-8 is identical with first connecting rod 1-3, and described first
The one end connecting rod 1-5 is connect by pin shaft with the second hinge 1-4 on first connecting rod 1-3, and the first connecting rod 1-5 other end passes through pin
Axis is connect with first the first axis pin base of scissors bar 1-6-1, and the one end the second connecting rod 1-9 is connected by pin shaft and the 4th hinge 1-16
It connects, the second connecting rod 1-9 other end is connect by pin shaft with the second scissors bar third axis pin base 1-7-3, the first scissors bar the
Two axis pin base 1-6-2 are connect by pin shaft with second the second axis pin base of scissors bar 1-7-2, the first scissors bar third axis pin base 1-6-
3 are connect by pin shaft with third hinge 1-15, and the second scissors bar the first axis pin base 1-7-1 passes through pin shaft and first axle 1-
2 connections, the second layer scissors can open up the structure of unit 3 and connection relationship with first layer scissors can to open up unit 1 identical；Institute
Stating support frame includes the first strut 1-11, the second strut 1-10, third strut 1-12 and the 4th strut 1-13, the first strut 1-11
One end is connect by pin shaft with the first connecting rod 1-3 that first layer scissors can open up unit 1, and the first strut 1-11 other end passes through pin
Axis is connect with second one end strut 1-10, and the second strut 1-10 other end is connect by pin shaft with the first base 1-1, third strut
The one end 1-12 is connect by pin shaft with second one end strut 1-10, and the third strut 1-12 other end passes through pin shaft and the second base 1-
14 connections, the 4th one end strut 1-13 are connect by pin shaft with second one end strut 1-10, and the 4th strut 1-13 other end passes through
Pin shaft is connect with the first connecting rod 1-3 that second layer scissors can open up unit 3, and the base includes the first base 1-1 and the second machine
Seat 1-14；The structure and connection relationship of the second scissor mechanism B is 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 the double-deck pentagon base, including the first base 1-11 and the second base 1-14, every one side of base
It is equipped with an axis pin base, 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 supports two scissors that can open up unit, and the first base 1-1 that the first scissors can open up unit 1 is 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 that first layer scissors can open up unit, second layer scissors can open up list
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, the structure and connection relationship of second connecting rod are identical with first connecting rod, and described first connecting rod one end passes through pin
Axis is connect with the second hinge on first connecting rod, and the first connecting rod other end is connected by pin shaft and first the first axis pin base of scissors bar
It connects, described second connecting rod one end is connect by pin shaft with the 4th hinge, and the second connecting rod other end passes through pin shaft and the second scissors bar
The connection of third axis pin base, the second axis pin base of the first scissors bar are connect by pin shaft with second the second axis pin base of scissors bar, the
One scissors bar third axis pin base is connect by pin shaft with third hinge, and the first axis pin base of the second scissors bar passes through pin shaft and the
The connection of one hinge, the second layer scissors, which can open up the structure of unit and connection relationship, with first layer scissors can open up the complete phase of unit
Together；Support frame as described above include the first strut, the second strut, third strut and the 4th strut, first strut one end by pin shaft with
First layer scissors can open up the first connecting rod connection of unit, and the first strut other end is connect by pin shaft with second strut one end,
The second strut other end is connect by pin shaft with the first base, and third strut one end is connect by pin shaft with second strut one end,
The third strut other end is connect by pin shaft with the second base, and the 4th strut one end is connect by pin shaft with second strut one end,
The 4th strut other end is connect by pin shaft with the first connecting rod that second layer scissors can open up unit, and the base includes the first machine
Seat and the second base；The structure and connection relationship of second scissor mechanism are identical with the first scissor mechanism, pass through torsional spring
Driving drives the expansion or folding movement of scissor mechanism, so that realizes entire mechanism unfolds and folds 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；The hinge being nested in connecting rod far from base direction simultaneously can be along the opposite shifting of connecting rod
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.
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| 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 |
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| 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 |
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| CN109149052A true CN109149052A (en) | 2019-01-04 |
| CN109149052B CN109149052B (en) | 2019-09-10 |
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| CN112407335B (en) * | 2020-12-10 | 2022-06-03 | 长春工业大学 | Extensible mechanism based on integral tensioning structure |
| CN114802815A (en) * | 2022-05-13 | 2022-07-29 | 南京航空航天大学 | On-orbit assembly-oriented shearing and hinging type universal module based on butt joint of water chestnut locks |
| 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 |
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| CN109149052B (en) | 2019-09-10 |
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