CN108767421A - A kind of space deployable antenna supporting mechanism - Google Patents
A kind of space deployable antenna supporting mechanism Download PDFInfo
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- CN108767421A CN108767421A CN201810686960.6A CN201810686960A CN108767421A CN 108767421 A CN108767421 A CN 108767421A CN 201810686960 A CN201810686960 A CN 201810686960A CN 108767421 A CN108767421 A CN 108767421A
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- China
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- pedestal
- edge
- top sheet
- telescopic rod
- hinged
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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
- H01Q1/10—Telescopic elements
- H01Q1/106—Means for locking or protecting against unauthorized extraction
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Details Of Aerials (AREA)
Abstract
The present invention relates to aerospace antenna support technology fields,Specifically a kind of space deployable antenna supporting mechanism,It is characterized in that the mechanism is by sustained release module,Central module and edge module composition,Module is sustained by servo motor,Planetary reducer,Upper end cover,Coiling hub and pedestal composition,Central module is by center mounting seat,Scroll spring driving device,Telescopic rod device,Upper connecting rod,Lower link and center connection pedestal composition,Edge module is by edge pedestal,Upper connecting rod,Lower link,Telescopic rod device,Turbine actuating device of the spring and edge connecting seat composition,It is sustained mould coiling hub in the block and is equipped with six roots of sensation cable wire,One end of cable wire is connected with sustained release mould coiling hub in the block,The other end is connected with the lifting bolt in the top sheet of edge pedestal in edge module,The contraction and expansion of entire antenna are realized by servo motor drive coiling hub rotary wire-reeling and unwrapping wire,With simple in structure,Folding exhibition rate is high,It is easily assembled to,Light weight,The advantages that rigidity is big.
Description
Technical field
The present invention relates to aerospace antenna support technology field, specifically it is a kind of it is simple in structure, folding exhibition rate is high, is easy to group
The big space deployable antenna supporting mechanism of dress, light weight, rigidity.
Background technology
It is well known that the launch activities of spacecraft use carrier rocket as most important means of transport, and launching costs
And its it is expensive, there is certain limitation to carrier rocket launch mass, carrying space, along with the development of space technology, big mouth
Diameter space deployable antenna has a extensive future, and has important actual application value, therefore, in mass carried and carrying space
Restrictive condition under, need study space deployable antenna supporting mechanism.Deployable antenna supporting mechanism is that metal wire side can
The agent structure of deployable antenna meets and is in rounding state during rocket launching, enters planned orbit in spacecraft or arrive
After up to predetermined point can smoothly, be reliably deployed into working condition, and support antenna, ensure its reflecting surface surface accuracy.
Invention content
Present invention aims to solve the deficiencies of the prior art, and provides a kind of it is a kind of it is simple in structure, folding exhibition rate is high, be easily assembled to,
The big space deployable antenna supporting mechanism of light weight, rigidity.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of space deployable antenna supporting mechanism, it is characterised in that the mechanism is by sustained release module, central module and edge module
Composition, the sustained release module are made of servo motor, planetary reducer, upper end cover, coiling hub and pedestal, the bottom
Seat is connected with upper end cover, coiling hub is equipped between pedestal and upper end cover, the upper and lower ends of coiling hub are respectively through bearing and upper end
Lid and bottom seat is hinged, and planetary reducer insertion is fixed in upper end cover, the output shaft of planetary reducer
It stretches out below upper end cover and is connected with coiling hub, planetary reducer is connected with servo motor carries out driving planetary gear reduction
Fast device, sustained release mould pedestal lower end in the block are connected with central module, and the central module is by center mounting seat, scroll spring
Driving device, Telescopic rod device, upper connecting rod, lower link and center connection pedestal composition, the center mounting seat by bottom sheet,
Middle part piece, top sheet and connecting shaft composition, the bottom sheet, middle part piece, top sheet are fixedly connected with connecting shaft respectively, described
Top sheet on be laid with six scroll spring driving devices, scroll spring driving device is fixed on the top sheet through screw,
The center connection pedestal is made of bottom sheet, middle part piece, top sheet and connecting shaft, the bottom sheet, middle part piece, top
Piece is connected with connecting shaft respectively, and bottom sheet, middle part piece are laid with three connecting rods, the scrollwork bullet in top sheet respectively
Spring driving device is equipped with upper connecting rod, and one end of upper connecting rod is connected with scroll spring driving device, and the other end is connect with center
The connecting rod in top sheet in pedestal is hinged, and middle part corresponding with the scroll spring driving device position on piece is set
There are Telescopic rod device, one end and the middle part piece of the Telescopic rod device to be hinged, during the other end is connect with center in pedestal
The connecting rod of portion's on piece is connected, and the bottom sheet corresponding with Telescopic rod device position is equipped with lower link, lower link
One end be hinged with bottom sheet, the other end of lower link is hinged with the connecting rod that center is connect in the bottom sheet of pedestal, institute
State center connection pedestal be connected respectively with edge module, the edge module by edge pedestal, upper connecting rod, lower link,
Telescopic rod device, turbine actuating device of the spring and edge connecting seat composition, the edge pedestal is by bottom sheet, middle part piece, top
Portion's piece and connecting shaft composition, bottom sheet, middle part piece, top sheet are connected with connecting shaft respectively, and the top sheet is equipped with four
A turbine actuating device of the spring, the turbine actuating device of the spring is through being bolted on the top sheet, described four turbines
Actuating device of the spring is equipped with upper connecting rod, and one end of two upper connecting rods in middle part is connected with turbine actuating device of the spring respectively
It connecing, the connecting rod that the other end is connect with two adjacent centers in the top sheet of pedestal respectively is hinged, and the two of the outside
One end of a upper connecting rod is connected with turbine actuating device of the spring respectively, and the other end is hinged with edge connecting seat respectively, described
The middle part on piece of upper connecting rod corresponding position be equipped with Telescopic rod device, one end of two Telescopic rod devices in middle part respectively with
Middle part piece is hinged, and the connecting rod for the middle part on piece that the other end connect pedestal with two adjacent centers respectively is hinged, described
One end of two Telescopic rod devices in outside be hinged with middle part piece, the other end is hinged with edge connecting seat respectively, described
The corresponding bottom sheet of Telescopic rod device is equipped with lower link, and one end of two lower links in middle part is mutually cut with scissors with bottom sheet respectively
It connects, the connecting rod that the other end is connect with two adjacent centers in the bottom sheet of pedestal respectively is hinged, two, the outside
One end of lower link is hinged with bottom sheet, and the other end is hinged with edge connecting seat respectively, the top of the edge pedestal
On piece is equipped with lifting bolt, and sustained release mould coiling hub in the block is equipped with six roots of sensation cable wire, one end of the cable wire with it is slow
Mould coiling hub in the block to be released to be connected, the other end is connected with the lifting bolt in the top sheet of edge pedestal in edge module,
The contraction and expansion of entire antenna are realized by servo motor drive coiling hub rotary wire-reeling and unwrapping wire.
In the connecting shaft and edge pedestal in connecting shaft, center connection pedestal in center mounting seat of the present invention
Connecting shaft is all made of mandrel and axle sleeve, and the mandrel sequentially passes through center mounting seat, center connection pedestal and side respectively
Edge pedestal realizes the positioning in center mounting seat, center connection pedestal and edge pedestal, the center mounting seat, center connection
Bottom sheet and the top sheet shaft shoulder and nut through mandrel in pedestal, edge pedestal are positioned and are loosened, the center peace
It fills seat, center connection pedestal, the top sheet in edge pedestal and is equipped with axle sleeve between the piece of middle part, the axle sleeve is socketed in mandrel
On, the shaft shoulder on middle part piece warp beam sleeve and mandrel is realized positioning and is fixed, the bottom sheet being socketed on mandrel, middle part piece
It is respectively equipped with keyway with top sheet, the mandrel is equipped with corresponding with keyway position in bottom sheet, middle part piece and top sheet
Keyway, pass through key between bottom sheet, middle part piece and top sheet and mandrel respectively and realize circumferential positioning.
It is respectively equipped with loss of weight rib in bottom sheet of the present invention, middle part piece and top sheet, ensure that structural strength is rigid
Light-weighted requirement is utmostly realized while spending, meanwhile, this structure is easily achieved modularization, reduces processing and manufacturing
Cost.
Turbine actuating device of the spring of the present invention is by scroll spring box, scroll spring, fork and connection output shaft group
At the scroll spring box is separately fixed on center mounting seat and edge pedestal, and it is defeated that connection is equipped in the middle part of scroll spring box
Shaft, the output shaft are connected with fork, connect and are equipped with scroll spring, scroll spring between output shaft and scroll spring box
One end be connected with scroll spring box, the other end is connected with output shaft is connect, and the elastic potential energy stored in scroll spring is first
It is first transmitted to connection output shaft, then is transmitted on shift fork by connecting output shaft, driving upper connecting rod movement makes entirely to prop up in turn
Support structure completes expansion process, is driven compared to common torsional spring, scroll spring driving structure is compact, light weight, and energy density is more
Greatly.
Telescopic rod device of the present invention by knuckle joint, telescopic rod, fixed swivel nut, limited block, bulb locking pin and
Threaded rod forms, and the fixation swivel nut is internally provided with tubular thread bar, and one end of the tubular thread bar puts in fixation
It is connected by screw thread with the inner wall of fixed swivel nut inside swivel nut, the other end of tubular thread bar passes through rivet and knuckle joint phase
Connection, the tubular thread bar are internally provided with tubulose limited block, and the tubulose limited block is internally provided with bulb locking pin,
The limited block is equipped with and the matched ring-shaped groove of bulb locking pin, one end of the bulb locking pin and limited block
It matches, the other end stretches out tubulose limited block and is connected with telescopic rod, and one end of the telescopic rod is connected with bulb locking pin
It connects, the other end stretches out fixed swivel nut and is connected with knuckle joint.
The fixation swivel nut inner wall of the present invention for putting in the screw thread boom end inside fixed swivel nut is equipped with linear motion
Bearing, the outer wall of the linear motion bearing are connected with fixed swivel nut, and the inside of straight line fortune work(bearing is connected with telescopic rod
It connects, linear motion bearing plays support lubrication, increases the rigidity of structure.
The present invention is since the mechanism is made of sustained release module, central module and edge module, and the sustained release module is by watching
Motor, planetary reducer, upper end cover, coiling hub and pedestal composition are taken, the central module is by center mounting seat, scrollwork
Actuating device of the spring, Telescopic rod device, upper connecting rod, lower link and center connection pedestal composition, the edge module is by edge
Pedestal, upper connecting rod, lower link, Telescopic rod device, turbine actuating device of the spring and edge connecting seat composition, the sustained release module
In coiling hub be equipped with six roots of sensation cable wire, one end of the cable wire is connected with sustained release mould coiling hub in the block, the other end and
Lifting bolt in edge module in the top sheet of edge pedestal is connected, by servo motor drive coiling hub rotary wire-reeling and
Unwrapping wire realizes the contraction and expansion of entire antenna, and it is excellent to have that simple in structure, folding exhibition rate is high, be easily assembled to, light weight, rigidity are big etc.
Point.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the structural schematic diagram of central module in the present invention.
Fig. 3 is the structural schematic diagram of center mounting seat in Fig. 2.
Fig. 4 is the structural schematic diagram of edge module in the present invention.
Fig. 5 is the structural schematic diagram that wooden unit is sustained in the present invention.
Fig. 6 is the sectional view of Fig. 4.
Fig. 7 is the structural schematic diagram of scroll spring driving device in the present invention.
Fig. 8 is the structural schematic diagram of Telescopic rod device in the present invention.
Specific implementation mode
The following further describes the present invention with reference to the drawings：
As shown in the picture, a kind of space deployable antenna supporting mechanism, it is characterised in that the mechanism is by sustained release module 1, central mould
Block 2 and edge module 3 form, and the sustained release module 1 is by servo motor, planetary reducer 4, upper end cover 5, coiling hub 6
It is formed with pedestal 7, the pedestal 7 is connected with upper end cover 5, and coiling hub 6, coiling hub 6 are equipped between pedestal 7 and upper end cover 5
Upper and lower ends be hinged respectively through bearing and upper end cover 5 and pedestal 7, the planetary reducer 4 insertion be fixed on
In end cap 5, the output shaft of planetary reducer 4 stretches out 5 lower section of upper end cover and is connected with coiling hub 6, planetary reducer 4
It is connected with servo motor and carries out driving planetary reducer 4,7 lower end of pedestal being sustained in module 1 is connected with central module 2
It connects, the central module 2 is by center mounting seat 12, scroll spring driving device 8, Telescopic rod device 9, upper connecting rod 10, lower company
Bar 11 and center connection pedestal 13 form, and the center mounting seat 12 is by bottom sheet 14, middle part piece 15, top sheet 16 and connection
Axis forms, and the bottom sheet 14, middle part piece 15, top sheet 16 are fixedly connected with connecting shaft respectively, in the top sheet 16
Six scroll spring driving devices 8 are laid with, scroll spring driving device 8 is fixed on through screw in top sheet 16, described
Center connection pedestal 13 is made of bottom sheet 14, middle part piece 15, top sheet 16 and connecting shaft, the bottom sheet 14, middle part piece
15, top sheet 16 is connected with connecting shaft respectively, and bottom sheet 14, middle part piece 15 are laid with three companies in top sheet 16 respectively
Extension bar, the scroll spring driving device 8 are equipped with upper connecting rod 10, one end and 8 phase of scroll spring driving device of upper connecting rod 10
Connection, the connecting rod in top sheet 16 that the other end is connect with center in pedestal 13 are hinged, described to be driven with scroll spring
The corresponding middle part piece 15 in 8 position of device is equipped with Telescopic rod device 9, one end and the middle part piece 15 of the Telescopic rod device 9
It is hinged, the other end is connected with the connecting rod on the middle part piece 15 that connect in pedestal 13 of center, described with Telescopic rod device 9
The corresponding bottom sheet 14 in position is equipped with lower link 11, and one end and the bottom sheet 14 of lower link 11 are hinged, lower link 11
The other end is hinged with the connecting rod that connect in the bottom sheet 14 of pedestal 13 of center, the center connect pedestal 13 respectively with side
Edge module 3 is connected, and the edge module 3 is by edge pedestal 17, upper connecting rod 10, lower link 11, Telescopic rod device 9, turbine
Actuating device of the spring 8 and edge connecting seat 18 form, and the edge pedestal 17 is by bottom sheet 14, middle part piece 15, top sheet 16
It is formed with connecting shaft, bottom sheet 14, middle part piece 15, top sheet 16 are connected with connecting shaft, are set in the top sheet 16 respectively
There are four turbine actuating device of the spring 8, the turbine actuating device of the spring 8 is described through being bolted in top sheet 16
8 are equipped with upper connecting rod 10 on four turbine actuating device of the spring, one end of two upper connecting rods 10 in middle part respectively with turbine bullet
Spring driving device 8 is connected, and the other end connect the connecting rod phase in the top sheet 16 of pedestal 13 with two adjacent centers respectively
Hinged, one end of two upper connecting rods 10 in the outside is connected with turbine actuating device of the spring 8 respectively, the other end respectively with
Edge connecting seat 18 is hinged, and the middle part piece 15 of 10 corresponding position of upper connecting rod is equipped with Telescopic rod device 9, in described
One end of two Telescopic rod devices 9 in portion is hinged with middle part piece 15 respectively, the other end respectively with adjacent two central linkers
Connecting rod on the middle part piece 15 of seat 13 is hinged, and one end and 15 phase of middle part piece of two Telescopic rod devices 9 in outside are cut with scissors
It connects, the other end is hinged with edge connecting seat 18 respectively, and the 9 corresponding bottom sheet 14 of Telescopic rod device is equipped with lower link
11, one end of two lower links 11 in middle part is hinged with bottom sheet 14 respectively, the other end respectively in adjacent two
Connecting rod in the bottom sheet 14 of centre connection pedestal 13 is hinged, one end and the bottom sheet 14 of two lower links 11 in outside
It is hinged, the other end is hinged with edge connecting seat 18 respectively, and the top sheet of the edge pedestal 17 is equipped with lifting bolt
19, the coiling hub 6 in the sustained release module 1 is equipped with six roots of sensation cable wire, one end of the cable wire in sustained release module 1 around
Line hub 6 is connected, and the other end is connected with the lifting bolt 19 in the top sheet 16 of edge pedestal 17 in edge module 3, passes through
6 rotary wire-reeling of servo motor drive coiling hub and unwrapping wire realize the contraction and expansion of entire antenna, the center mounting seat 12
In connecting shaft, center connection pedestal 13 in connecting shaft and edge pedestal 17 in connecting shaft be all by mandrel 21 and axle sleeve 20
Composition, the mandrel 21 sequentially pass through center mounting seat 12, center connection pedestal 13 and edge pedestal 17 and realize center respectively
Mounting base 12, center connection pedestal 13 and edge pedestal 17 in positions, the center mounting seat 12, center connection pedestal 13,
Bottom sheet 14 and top sheet 16 shaft shoulder and nut 34 through mandrel 21 in edge pedestal 17 are positioned and are loosened, in described
It entreats mounting base 12, center connection pedestal 13, the top sheet 16 in edge pedestal 17 and is equipped with axle sleeve 20 between middle part piece 15, it is described
Axle sleeve 20 be socketed on mandrel 21, the shaft shoulder on 15 warp beam sleeve 20 of middle part piece and mandrel 21 realizes positioning and fixed, described
Bottom sheet 14, middle part piece 15 and the top sheet 16 being socketed on mandrel 21 are respectively equipped with keyway, the mandrel 21 be equipped with
The corresponding keyway in keyway position in bottom sheet 14, middle part piece 15 and top sheet 16, bottom sheet 14, middle part piece 15 and top sheet 16
It realizes circumferential positioning by key respectively between mandrel 21, distinguishes in the bottom sheet 14, middle part piece 15 and top sheet 16
Equipped with loss of weight rib, light-weighted requirement is utmostly realized while ensure that structural strength rigidity, meanwhile, this structure
It is easily achieved modularization, reduces the cost of processing and manufacturing, the turbine actuating device of the spring 8 is by scroll spring box 22, whirlpool
Coil spring 23, fork 24 and connection output shaft 25 form, and the scroll spring box 22 is separately fixed at 12 He of center mounting seat
In edge pedestal 17,22 middle part of scroll spring box is equipped with connection output shaft 25, and the output shaft 25 is connected with fork 24, even
It connects and is equipped with scroll spring 23 between output shaft 24 and scroll spring box 22, one end of scroll spring 23 is connected with scroll spring box 22
It connects, the other end is connected with output shaft 25 is connect, and the elastic potential energy stored in scroll spring 23 is transmitted to connection output shaft first
24, then be transmitted on shift fork 24 by connecting output shaft 24, what driving upper connecting rod 10 moved in turn completes entire support construction
Expansion process drives compared to common torsional spring, and scroll spring driving structure is compact, light weight, and energy density bigger, described stretches
Contracting lever apparatus 9 is by 31 groups of knuckle joint 26, telescopic rod 27, fixed swivel nut 28, limited block 29, bulb locking pin 30 and threaded rod
At the fixation swivel nut 28 is internally provided with tubular thread bar 31, and one end of the tubular thread bar 31 puts in fixed spiral shell
28 inside of set is connected with the inner wall of fixed swivel nut 28 by screw thread, and the other end of tubular thread bar 31 passes through rivet and hinge-connection
First 26 are connected, and the tubular thread bar 31 is internally provided with tubulose limited block 29, and the inside of the tubulose limited block 29 is set
There are bulb locking pin 30, the limited block 29 to be equipped with and 30 matched ring-shaped groove 32 of bulb locking pin, the ball
One end of head locking pin 30 is matched with limited block 29, and the other end stretches out tubulose limited block 29 and is connected with telescopic rod 27, described
One end of telescopic rod 27 be connected with bulb locking pin 30, the other end stretches out fixed swivel nut 28 and is connected with knuckle joint 26,
28 inner wall of fixation swivel nut of 31 end of threaded rod put in inside fixed swivel nut 28 is equipped with linear motion bearing 33, institute
The outer wall for the linear motion bearing 33 stated is connected with fixed swivel nut 28, and the inside of straight line fortune work(bearing 33 is connected with telescopic rod 27
It connects, linear motion bearing 33 plays support lubrication, increases the rigidity of structure.
The present invention uses modular thought, and modules simplify assembling process using similar structure, designed
Antenna supporting mechanism is made of 1 three central module 2, edge module 3 and sustained release module parts.Central module 2 and delayed release device 1
It is installed together, and is fixed on spacecraft together with sustained release module 1, six identical edge modules 3 of surrounding are connected by connecting rod
On central module 2, screw and center are played in the both ends of the upper connecting rod 10, lower link 11 and Telescopic rod device 12 through plug respectively
Mounting base 12, center connection pedestal 13, edge pedestal 17 and edge connecting seat 18 are connected with each other, and can be very good to ensure assembly essence
Degree is to improve the rigidity of structure.
When antenna supporting mechanism is in rounding state, upper connecting rod 10, lower link 11 are in and center mounting seat 12 is vertical
Position, the length of cable wire is most short, and elastic potential energy in scroll spring driving device 8 is maximum, and entire support construction drives at it
Under can complete expansion action, Antenna support structure by servo motor self-locking function and Telescopic rod device 9 in locking knot
Structure keeps the state collapsed.When in unfolded state, upper connecting rod 10, lower link 11 reach angle shown in attached drawing 1, and stretch
The length of contracting lever apparatus 9 is most short, the length longest of cable wire, by remaining elastic potential energy in scroll spring driving device 8 and stretches
The locking structure of contracting lever apparatus 9 keeps unfolded state, can be realized as day by the positive and negative rotation and Telescopic rod device 9 of servo motor
The expansion process of wire-braced structures and in place after locking, pass through the expansion speed that servo motor and cable wire control second layer module
Degree, then first layer development rate is limited by the development rate of the second layer, entire antenna is made slowly to be unfolded and then reaches reduction locking
The purpose of impact, be sustained module 1 in pedestal 7 on be also devised with partition, cable wire can be effectively prevent to wind, it is of the invention
Space deployable antenna supporting mechanism is compact to design, and the rigidity of structure is good, meets light-weight design requirement, and the present invention uses modularization
Structure design, element type is few, is easily assembled to and extends, and folding exhibition rate is high, and light weight, and rigidity is high, and manufacturing cost is low.
The present invention is since the mechanism is made of sustained release module 1, central module 2 and edge module 3, the sustained release module 1
It is made of servo motor, planetary reducer 4, upper end cover 5, coiling hub 6 and pedestal 7, the central module 2 is pacified by center
It fills seat 12, scroll spring driving device 8, Telescopic rod device 9, upper connecting rod 10, lower link 11 and center connection pedestal 13 to form, institute
The edge module 3 stated is by edge pedestal 17, upper connecting rod 10, lower link 11, Telescopic rod device 9, turbine actuating device of the spring 8 and side
Edge connecting seat 18 forms, and the coiling hub 6 in the sustained release module 1 is equipped with six roots of sensation cable wire, one end of the cable wire with delay
The coiling hub 6 released in module 1 is connected, the other end and the lifting bolt 19 in the top sheet of edge pedestal 17 in edge module 3
It is connected, drives 6 rotary wire-reeling of coiling hub and unwrapping wire to realize the contraction and expansion of entire antenna by servo motor, there is structure
Simply, the advantages that folding exhibition rate is high, be easily assembled to, light weight, big rigidity.
Claims (6)
1. a kind of space deployable antenna supporting mechanism, it is characterised in that the mechanism is by sustained release module, central module and edge mould
Block forms, and the sustained release module is made of servo motor, planetary reducer, upper end cover, coiling hub and pedestal, described
Pedestal is connected with upper end cover, is equipped with coiling hub between pedestal and upper end cover, the upper and lower ends of coiling hub respectively through bearing with it is upper
End cap and pedestal are hinged, and planetary reducer insertion is fixed in upper end cover, the output of planetary reducer
Axis stretches out below upper end cover to be connected with coiling hub, and planetary reducer is connected with servo motor carries out driving planetary gear
Retarder, sustained release mould pedestal lower end in the block are connected with central module, and the central module is by center mounting seat, scrollwork bullet
Spring driving device, Telescopic rod device, upper connecting rod, lower link and center connection pedestal composition, the center mounting seat is by bottom
Piece, middle part piece, top sheet and connecting shaft composition, the bottom sheet, middle part piece, top sheet are fixedly connected with connecting shaft respectively,
Six scroll spring driving devices are laid in the top sheet, scroll spring driving device is fixed on top sheet through screw
On, the described center connection pedestal is made of bottom sheet, middle part piece, top sheet and connecting shaft, the bottom sheet, middle part piece,
Top sheet is connected with connecting shaft respectively, and bottom sheet, middle part piece are laid with three connecting rods, the whirlpool in top sheet respectively
Coil spring driving device is equipped with upper connecting rod, and one end of upper connecting rod is connected with scroll spring driving device, the other end and center
The connecting rod in top sheet in connection pedestal is hinged, middle part corresponding with the scroll spring driving device position piece
It is equipped with Telescopic rod device, one end and the middle part piece of the Telescopic rod device are hinged, and the other end is connect with center in pedestal
The connecting rod of middle part on piece be connected, the bottom sheet corresponding with Telescopic rod device position is equipped with lower link, under
One end of connecting rod is hinged with bottom sheet, and the other end of lower link is mutually cut with scissors with the connecting rod that center is connect in the bottom sheet of pedestal
Connect, the described center connection pedestal is connected with edge module respectively, the edge module by edge pedestal, upper connecting rod, under
Connecting rod, Telescopic rod device, turbine actuating device of the spring and edge connecting seat composition, the edge pedestal is by bottom sheet, middle part
Piece, top sheet and connecting shaft composition, bottom sheet, middle part piece, top sheet are connected with connecting shaft, are set in the top sheet respectively
There are four turbine actuating device of the spring, and the turbine actuating device of the spring is through being bolted on the top sheet, described four
Turbine actuating device of the spring is equipped with upper connecting rod, one end of two upper connecting rods in middle part respectively with turbine actuating device of the spring
It is connected, the connecting rod that the other end is connect with two adjacent centers in the top sheet of pedestal respectively is hinged, the outside
One end of two upper connecting rods be connected respectively with turbine actuating device of the spring, the other end is hinged with edge connecting seat respectively,
The middle part on piece of the upper connecting rod corresponding position is equipped with Telescopic rod device, one end point of two Telescopic rod devices in middle part
It not being hinged with middle part piece, the connecting rod for the middle part on piece that the other end connect pedestal with two adjacent centers respectively is hinged,
One end of two Telescopic rod devices in outside is hinged with middle part piece, and the other end is hinged with edge connecting seat respectively, institute
The corresponding bottom sheet of Telescopic rod device stated is equipped with lower link, one end of two lower links in middle part respectively with bottom sheet
It is hinged, the connecting rod that the other end is connect with two adjacent centers in the bottom sheet of pedestal respectively is hinged, the outside
One end of two lower links is hinged with bottom sheet, and the other end is hinged with edge connecting seat respectively, the edge pedestal
Top sheet is equipped with lifting bolt, and sustained release mould coiling hub in the block is equipped with six roots of sensation cable wire, one end of the cable wire
It is connected with sustained release mould coiling hub in the block, the other end is connected with the lifting bolt in the top sheet of edge pedestal in edge module
It connects, the contraction and expansion of entire antenna is realized by servo motor drive coiling hub rotary wire-reeling and unwrapping wire.
2. a kind of space deployable antenna supporting mechanism according to claim 1, it is characterised in that the center installation
The connecting shaft in the connecting shaft and edge pedestal in connecting shaft, center connection pedestal in seat is all made of mandrel and axle sleeve,
The mandrel sequentially passes through center mounting seat, center connection pedestal and edge pedestal and realizes center mounting seat, center even respectively
Connect the positioning in pedestal and edge pedestal, the center mounting seat, center connection pedestal, the bottom sheet in edge pedestal and top
The shaft shoulder and nut of portion's piece through mandrel are positioned and are loosened, in the center mounting seat, center connection pedestal, edge pedestal
Top sheet and middle part piece between be equipped with axle sleeve, the axle sleeve is socketed on mandrel, the axis on middle part piece warp beam sleeve and mandrel
Shoulder realizes positioning and fixes that the bottom sheet being socketed on mandrel, middle part piece and the top sheet is respectively equipped with keyway, described
Mandrel is equipped with keyway corresponding with keyway position in bottom sheet, middle part piece and top sheet, bottom sheet, middle part piece and top sheet
Realize circumferential positioning by key respectively between mandrel.
3. a kind of space deployable antenna supporting mechanism according to claim 1, it is characterised in that the bottom sheet, in
Loss of weight rib is respectively equipped on portion's piece and top sheet.
4. a kind of space deployable antenna supporting mechanism according to claim 1, it is characterised in that the turbine spring
Driving device is made of scroll spring box, scroll spring, fork and connection output shaft, and the scroll spring box is separately fixed at
Connection output shaft is equipped on center mounting seat and edge pedestal, in the middle part of scroll spring box, the output shaft is connected with fork,
It connects and is equipped with scroll spring between output shaft and scroll spring box, one end of scroll spring is connected with scroll spring box, another
End with connect output shaft and is connected, the elastic potential energy of the interior storage of scroll spring is transmitted to connection output shaft first, then passes through connection
Output shaft is transmitted on shift fork, and driving upper connecting rod movement makes entire support construction complete expansion process in turn.
5. a kind of space deployable antenna supporting mechanism according to claim 1, it is characterised in that the telescopic rod dress
Set and be made of knuckle joint, telescopic rod, fixed swivel nut, limited block, bulb locking pin and threaded rod, the fixation swivel nut it is interior
Portion is equipped with tubular thread bar, and the inner wall that one end of the tubular thread bar is put in inside fixed swivel nut with fixed swivel nut passes through spiral shell
Line is connected, and the other end of tubular thread bar is connected by rivet with knuckle joint, and the tubular thread bar is internally provided with
Tubulose limited block, the tubulose limited block are internally provided with bulb locking pin, and the limited block is equipped with locks with bulb
Matched ring-shaped groove is sold, one end of the bulb locking pin is matched with limited block, and the other end stretches out tubulose limited block
It is connected with telescopic rod, one end of the telescopic rod is connected with bulb locking pin, and the other end stretches out fixed swivel nut and hinge
Connector is connected.
6. a kind of space deployable antenna supporting mechanism according to claim 5, it is characterised in that described puts in fixation
The fixation swivel nut inner wall of screw thread boom end inside swivel nut is equipped with linear motion bearing, the outer wall of the linear motion bearing
It is connected with fixed swivel nut, the inside of straight line fortune work(bearing is connected with telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111952710A (en) * | 2020-09-25 | 2020-11-17 | 西安电子科技大学 | Framework type deployable antenna deployment control device |
| CN113241513A (en) * | 2021-05-11 | 2021-08-10 | 北京航空航天大学 | Folding and unfolding assembly and antenna supporting mechanism with same |
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| CN113241513A (en) * | 2021-05-11 | 2021-08-10 | 北京航空航天大学 | Folding and unfolding assembly and antenna supporting mechanism with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108767421B (en) | 2020-02-14 |
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