CN104319453A - Double-layer annular truss antenna mechanism based on passive drive - Google Patents
Double-layer annular truss antenna mechanism based on passive drive Download PDFInfo
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- CN104319453A CN104319453A CN201410624812.3A CN201410624812A CN104319453A CN 104319453 A CN104319453 A CN 104319453A CN 201410624812 A CN201410624812 A CN 201410624812A CN 104319453 A CN104319453 A CN 104319453A
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Abstract
The invention provides a double-layer annular truss antenna mechanism based on passive drive and relates to double-layer annular truss type expandable antenna mechanisms. The problems that an existing large-caliber single-ring annular truss antenna is small in rigidity, the use rigidity requirement can not be met, an existing annular truss antenna mechanism is complex in drive structure and large in weight, inhaul cables are prone to be twisted after being used for unfolding the mechanism, and the unfolding reliability is low are solved. The double-layer annular truss antenna mechanism comprises multiple inner and outer truss foldable unit modules, multiple inner transition folding assemblies and multiple outer transition folding assemblies. Each inner and outer truss foldable unit module comprises an inner folding unit module, an outer folding unit module and two inner and outer connection truss assemblies. Inner supporting vertical rods and outer supporting vertical rods which are opposite are connected through the inner and outer connection truss assemblies. After the inner and outer truss foldable unit modules are unfolded, an inner and outer double-layer annular truss polyhedron is formed. The double-layer annular truss antenna mechanism is used for a satellite, a space station and a space probe.
Description
Technical field
The present invention relates to a kind of double-deck annular truss formula deployable antenna mechanism, belong to space flight equipment and equipment technical field.
Background technology
Along with the development of technology and the popularization of application, in fields such as satellite communication, wireless broadcast system, earth observation, land remote sensing, survey of deep space and deep space communications, spaceborne Large deployable antenna has been widely used in the aspects such as navigation satellite, communication satellite, repeater satellite, meteorological satellite and investigation satellite.In order to meet the needs such as multi-functional, multiband, Large Copacity, high-power, long-life, satellite antenna is proposed to the requirement of heavy caliber, high accuracy, lightweight and high rigidity, but due to the effective carrying space of rocket and delivery power restriction, requiring that antenna is folded up at launching phase is fixed in delivery vehicle payload bay, after spacecraft injection, by ground control centre instruction, it presses designing requirement at space orbit again, progressively complete expansion action, then lock and remain operating state.Therefore, satellite antenna need be made foldable.Along with the progressively development of aerospace project and the complicated degree upgrading of space system, space Zhe Zhan mechanism is from past simply single form to complexity, multiple degrees of freedom, modularization future development, and large space Zhe Zhan mechanism becomes the focus of Astronautics and technical field of research in recent years.
The research of Large deployable antenna becomes the key technology in satellite development work, require increasing to the bore of antenna, but monocycle annular truss mechanism is with the increase of antenna aperture, antenna Stiffness, do not reach actual instructions for use rigidity, and how to improve entire physical rigidity, also there is no good solution.Existing annular truss deployable antenna mostly adopts motor to pull and drives rope thus the expansion realizing whole mechanism, although motor drives effectively can control development rate, reduce the impact shock in mechanism's expansion process, but the driving mechanism of complexity not only adds the weight of structure, also reduce reliability of structure, easily cause annular truss deployable antenna to launch unsuccessfully, cause space exploration task to realize, thus cause huge economic loss.Existing annular truss deployable antenna adopts tension cable to realize the raising of antenna mechanism integral rigidity mostly, but tension cable is easily wound around in expansion process, causes launching unsuccessfully.
Summary of the invention
The present invention is less for solving existing heavy caliber monocycle annular truss sky Line stiffness, the problem that Drive Structure complexity, weight are large, the easy generation of employing drag-line expansion is wound around and expansion reliability is lower of use rigidity requirement and existing annular truss antenna mechanism cannot be reached, and then a kind of double-deck annular truss antenna mechanism based on passive drive is provided.
The present invention solves the problems of the technologies described above the technical scheme taked to be: the double-deck annular truss antenna mechanism based on passive drive of the present invention comprises multiple inside and outside truss-like telescopic unit module, multiple interior transition folding exhibition assembly and multiple outer transition folding exhibition assembly;
Each inside and outside truss-like telescopic unit module comprises infolding exhibition unit module, outer folding exhibition unit module and two inside and outside truss frame for connecting assemblies;
Infolding exhibition unit module comprises center and connects montant, upper jointing, lower jointing, two interior top booms, two interior lower booms, two inner support elastic rods, two cranks, two slide blocks, two inner support montants, four self-latching hinges and four chord members expansion driving elastic hinges;
The top and bottom of two inner support montants are respectively connected with a self-latching hinge, be furnished with jointing, two interior top booms and two chord members between the upper end of two inner support montants to launch to drive elastic hinge, be furnished with lower jointing, two interior lower booms and two chord members between the lower end of two inner support montants and launch to drive elastic hinge; Be furnished with the center be connected with the two between upper jointing and lower jointing and connect montant, the two ends of upper jointing respectively launch to drive elastic hinge to be connected with one end of an interior top boom by a chord member, the other end and the self-latching hinge of interior top boom are hinged, the two ends of lower jointing respectively launch to drive elastic hinge to be connected with one end of an interior lower boom by a chord member, and the other end and the self-latching hinge of interior lower boom are hinged;
The lower slide of each inner support montant is provided with a slide block, is furnished with the crank hinged with the two between each slide block and corresponding interior lower boom; Two inner support elastic rods are furnished with between interior top boom and interior lower boom, two inner support elastic rods are inverse Ba type arrangement, one end and the lower jointing of inner support elastic rod are hinged, and the other end of inner support elastic rod is hinged with the self-latching hinge of the upper end being arranged on inner support montant;
Outer folding exhibition unit module comprises center and connects montant, upper jointing, lower jointing, two outer top booms, two outer lower booms, two outer support elastic rods, two cranks, two slide blocks, two outer support montants, four self-latching hinges and four chord members expansion driving elastic hinges;
The top and bottom of two outer support montants are respectively connected with a self-latching hinge, be furnished with jointing, two outer top booms and two chord members between the upper end of two outer support montants to launch to drive elastic hinge, be furnished with lower jointing, two outer lower booms and two chord members between the lower end of two outer support montants and launch to drive elastic hinge; Be furnished with the center be connected with the two between upper jointing and lower jointing and connect montant, the two ends of upper jointing respectively launch to drive elastic hinge to be connected with one end of an outer top boom by a chord member, the other end and the outer support montant of outer top boom are hinged, the two ends of upper jointing respectively launch to drive elastic hinge to be connected with one end of outer lower boom by a chord member, and the other end and the outer support montant of outer lower boom are hinged;
The top of each outer support montant is slidably fitted with a slide block, is furnished with the crank hinged with the two between each slide block and corresponding outer top boom; Two outer support elastic rods are furnished with between outer top boom and outer lower boom, two outer support elastic rods are splayed configuration arrangement, one end and the upper jointing of outer support elastic rod are hinged, and the other end of outer support elastic rod is hinged with the self-latching hinge being arranged on outer support montant lower end;
The length of interior top boom is less than the length of outer top boom, the length of interior lower boom is less than the length of outer lower boom, connected by inside and outside truss frame for connecting assembly between just right inner support montant and outer support montant, be a hexahedron telescopic unit module after inside and outside truss-like telescopic unit module launches, the infolding exhibition unit module of adjacent two inside and outside truss-like telescopic unit modules is connected by interior transition folding exhibition assembly, the outer folding exhibition unit module of adjacent two inside and outside truss-like telescopic unit modules is connected by outer transition folding exhibition assembly, be double-deck annular truss formula polyhedron inside and outside after multiple inside and outside truss-like telescopic unit module launches.
The present invention compared with prior art has following effect:
1, the present invention adopts inside and outside truss-like telescopic unit module, infolding to open up unit module, outer folding exhibition unit module and elastic rod, and the integral rigidity of antenna mechanism is higher, the use rigidity requirement of meeting spatial large aperture antenna.
2, to draw rear volume in little, lightweight in the present invention, and storage rate is up to 35%.
3, add elastic rod in the present invention, overcome diagonal angle drag-line and be wound around and erratic problem of moving, strengthen the integral rigidity of support arm simultaneously, repeat precision of expansion and reliability.
4, the double-deck annular truss antenna mechanism based on passive drive of the present invention relies on elastic hinge to realize passive power drive, does not need to increase extra driving mechanism, alleviates the weight of whole mechanism; The present invention launches to move simply, reliability is high, does not need deliberately to increase other driven unit along with after modular unit expansion, and the present invention launches to control simply, good stability.
5, the double-deck annular truss antenna mechanism expansion process based on passive drive of the present invention is realized by the elastic potential energy of release elastic hinge, vertical straight state is recovered after elastic hinge launches, this state is stable state, larger moment is needed to make its flexural deformation, therefore do not need locking device after folding and expanding, execution mode is simple, working stability is reliable.
6, the present invention adopts modular unit design philosophy, and modular unit quantity can be expanded according to the demand of antenna aperture, and module autgmentability is strong, can realize modularized production, reduces manufacturing cost and difficulty.
7, all structures of the present invention are all by the processing and manufacturing of space flight common used material, rich material resources, and processing technology is ripe, is convenient to the smooth enforcement of mechanism.
8, the present invention also meets the detection basic demand of other deployable antenna mechanism, is convenient to the popularization of expansion technique.Elastic hinge of the present invention can realize self-driven expansion, eliminates drive system, significantly reduces the weight of whole double-deck annular truss formula deployable antenna mechanism.Node good integrity of the present invention, intensity are high, motion and control system simple.The present invention is for satellite, space station, space probe and large space reflector support truss.
Accompanying drawing explanation
Fig. 1 is the deployed configuration schematic diagram of the double-deck annular truss antenna mechanism based on passive drive of the present invention, Fig. 2 is that the double-deck annular truss antenna mechanism based on passive drive of the present invention draws structural representation in, Fig. 3 is the overall structure schematic diagram of inside and outside truss-like telescopic unit module of the present invention, Fig. 4 is the overall structure schematic diagram of infolding exhibition unit module, Fig. 5 is the overall structure schematic diagram of outer folding exhibition unit module, Fig. 6 is that Fig. 5 draws structural representation in, Fig. 7 is the overall structure schematic diagram of interior transition folding exhibition assembly, Fig. 8 is the overall structure schematic diagram of outer transition folding exhibition assembly, Fig. 9 is the overall structure schematic diagram of the inside and outside truss frame for connecting assembly of embodiment three, Figure 10 is the overall structure schematic diagram of the inside and outside truss frame for connecting assembly of embodiment four, Figure 11 is the perspective view of self-latching hinge, Figure 12 is the perspective view of slide block, Figure 13 is the overall structure schematic diagram that chord member launches to drive elastic hinge.
Embodiment
Embodiment one: composition graphs 1-Figure 13 illustrates, the double-deck annular truss antenna mechanism based on passive drive of present embodiment comprises multiple inside and outside truss-like telescopic unit module A, multiple interior transition folding exhibition assembly B1 and multiple outer transition folding exhibition assembly B2;
Each inside and outside truss-like telescopic unit module A comprises infolding exhibition unit module A1, outer folding exhibition unit module A2 and two inside and outside truss frame for connecting assembly 3;
Infolding exhibition unit module A1 comprises center and connects montant 5, upper jointing 9, the interior top boom of lower jointing 14, two 7, two interior lower booms, 16, two inner support elastic rods, 4, two cranks, 10, two slide blocks, 11, two inner support montants, 13, four self-latching hinges 6 and four chord members expansion driving elastic hinges 15;
The top and bottom of two inner support montants 13 are respectively connected with a self-latching hinge 6, be furnished with the interior top boom 7 of jointing 9, two and two chord members between the upper end of two inner support montants 13 to launch to drive and be furnished with the interior lower boom 16 of lower jointing 14, two between the lower end of elastic hinge 15, two inner support montants 13 and two chord members launch to drive elastic hinges 15; Be furnished with the center be connected with the two between upper jointing 9 and lower jointing 14 and connect montant 5, the two ends of upper jointing 9 respectively launch to drive elastic hinge 15 to be connected with one end of an interior top boom 7 by a chord member, the other end and the self-latching hinge 6 of interior top boom 7 are hinged, the two ends of lower jointing 14 respectively launch to drive elastic hinge 15 to be connected with one end of an interior lower boom 16 by a chord member, and the other end and the self-latching hinge 6 of interior lower boom 16 are hinged;
The lower slide of each inner support montant 13 is provided with a slide block 11, is furnished with the crank 10 hinged with the two between each slide block 11 and corresponding interior lower boom 16; Two inner support elastic rods 4 are furnished with between interior top boom 7 and interior lower boom 16, two inner support elastic rod 4 arrangements in inverse Ba type, one end and the lower jointing 14 of inner support elastic rod 4 are hinged, and the other end of inner support elastic rod 4 is hinged with the self-latching hinge 6 of the upper end being arranged on inner support montant 13;
Outer folding exhibition unit module A2 comprises center and connects montant 5, upper jointing 9, the outer top boom of lower jointing 14, two 8, two outer lower booms, 17, two outer support elastic rods, 41, two cranks, 10, two slide blocks, 11, two outer support montants, 12, four self-latching hinges 6 and four chord members expansion driving elastic hinges 15;
The top and bottom of two outer support montants 12 are respectively connected with a self-latching hinge 6, be furnished with the outer top boom 8 of jointing 9, two and two chord members between the upper end of two outer support montants 12 to launch to drive and be furnished with the outer lower boom 17 of lower jointing 14, two between the lower end of elastic hinge 15, two outer support montants 12 and two chord members launch driving elastic hinges 15; Be furnished with the center be connected with the two between upper jointing 9 and lower jointing 14 and connect montant 5, the two ends of upper jointing 9 respectively launch to drive elastic hinge 15 to be connected with one end of an outer top boom 8 by a chord member, the other end and the outer support montant 12 of outer top boom 8 are hinged, the two ends of upper jointing 9 respectively launch to drive elastic hinge 15 to be connected with one end of outer lower boom 17 by a chord member, and the other end and the outer support montant 12 of outer lower boom 17 are hinged;
The top of each outer support montant 12 is slidably fitted with a slide block 11, is furnished with the crank 10 hinged with the two between each slide block 11 and corresponding outer top boom 8; Two outer support elastic rods 41 are furnished with between outer top boom 8 and outer lower boom 17, two outer support elastic rod 41 arrangements in splayed configuration, one end and the upper jointing 9 of outer support elastic rod 41 are hinged, and the other end of outer support elastic rod 41 is hinged with the self-latching hinge 6 being arranged on outer support montant 12 lower end;
The length of interior top boom 7 is less than the length of outer top boom 8, the length of interior lower boom 16 is less than the length of outer lower boom 17, connected by inside and outside truss frame for connecting assembly 3 between just right inner support montant 13 and outer support montant 12, be a hexahedron telescopic unit module after inside and outside truss-like telescopic unit module A launches, the infolding exhibition unit module A1 of adjacent two inside and outside truss-like telescopic unit module A is connected by interior transition folding exhibition assembly B1, the outer folding exhibition unit module A2 of adjacent two inside and outside truss-like telescopic unit module A is connected by outer transition folding exhibition assembly B2, be double-deck annular truss formula polyhedron inside and outside after multiple inside and outside truss-like telescopic unit module A launches.
Infolding exhibition unit module A1 and the outer folding exhibition unit module A2 of present embodiment realize launching by elastic hinge release elastic potential energy.Inner support elastic rod 4 is identical with outer support elastic rod 41 structure, and inner support elastic rod and outer support elastic rod 41 can play the effect improving truss rigidity.Inner support montant and the outer support montant of present embodiment are two-step bar, and slide block set is contained in the thin bar of two-step bar, and lean the step place in thick bar and thin bar.The infolding exhibition unit module of present embodiment is contrary with gathering direction with the folding exhibition of outer folding exhibition unit module.Infolding exhibition unit module is upwards received and is received downwards with outer folding exhibition unit module.
Embodiment two: composition graphs 4, Fig. 5, Fig. 7 and Fig. 8 illustrate, the interior transition folding exhibition assembly B1 of present embodiment comprises center and to connect in montant 5, upper jointing 9,51, two transition of lower jointing 14, two transition inner support elastic rods lower boom 32, two cranks 10 and four chord members in top boom 31, two transition and launch to drive elastic hinges 15; Be furnished with the center be connected with the two between upper jointing 9 and lower jointing 14 and connect montant 5, in two transition, top boom 31 is coaxially arranged, in two transition, lower boom 32 is coaxially arranged, and in two transition, top boom 31 is arranged in the top of lower boom 32 in two transition;
The two ends of upper jointing 9 respectively launch to drive elastic hinge 15 to be connected with top boom 31 in a transition by a chord member, the self-latching hinge 6 that in transition, top boom 31 is adjacent is hinged, the two ends of lower jointing 14 respectively launch to drive elastic hinge 15 to be connected with lower boom 32 in a transition by a chord member, the self-latching hinge 6 that in transition, lower boom 32 and adjacent infolding are opened up on unit module A1 is hinged, lower boom 32 is hinged with a crank 10 in each transition, the slide block 11 that crank 10 and adjacent infolding are opened up on unit module A1 is hinged, the both sides of lower jointing 14 are respectively hinged with transition inner support elastic rod 51, two transition inner support elastic rods 51 are arranged in herringbone, the self-latching hinge 6 that transition inner support elastic rod 51 and adjacent infolding are opened up on unit module A1 is hinged,
Outer transition folding exhibition assembly B2 comprises center connection montant 5, upper jointing 9, outer lower boom 42, two cranks 10 of outer top boom 41, two transition of lower jointing 14, two transition outer support elastic rods 61, two transition and four chord members to launch to drive elastic hinge 15; Be furnished with the center be connected with the two between upper jointing 9 and lower jointing 14 and connect montant 5, two outer top booms 41 of transition are coaxially arranged, two outer lower booms 42 of transition are coaxially arranged, and two outer top booms 41 of transition are arranged in the top of the outer lower boom 42 of two transition;
The two ends of upper jointing 9 respectively launch to drive the outer top boom 41 of elastic hinge 15 and a transition to be connected by a chord member, the outer top boom of transition 41 is with adjacent outer to roll over the self-latching hinge 6 opened up on unit module A2 hinged, the two ends of lower jointing 14 respectively launch to drive elastic hinge 15 to be connected with lower boom 42 in a transition by a chord member, the outer lower boom of transition 42 is with adjacent outer to roll over the self-latching hinge 6 opened up on unit module A2 hinged, the outer top boom 41 of each transition is hinged with a crank 10, crank 10 is with adjacent outer to roll over the slide block 11 opened up on unit module A2 hinged, the both sides of upper jointing 9 are respectively hinged with transition outer support elastic rod 61, two transition outer support elastic rods 61 are arranged in splayed, transition outer support elastic rod 61 is with adjacent outer to roll over the self-latching hinge 6 opened up on unit module A2 hinged.
The transition outer support elastic rod 61 of present embodiment, transition inner support elastic rod 51, inner support elastic rod 4 are identical with the structure of outer support elastic rod 41 4.The chord member of the interior transition folding exhibition assembly B1 of present embodiment launches to drive elastic hinge 15 to be fixedly connected with the two ends of upper jointing 9 or lower jointing 14, thus realizes the rotation of top boom 32 in top boom 31 and two transition in two transition; In described two transition, in top boom 31 and two transition, top boom 32 is hinged on self-latching hinge 6 respectively, and self-latching hinge 6 is fixedly connected on the top and bottom of two inner support montants 13 or outer support montant 12; In each transition, lower boom 32 is dynamically connected by slide block and crank and adjacent inner support montant 13, slide block 11 is slidably connected to the upper end of inner support montant 13, one end of crank 10 is connected to lower boom 32 in transition by revolute pair, and the other end is connected to slide block 11 by revolute pair.The present invention realizes the synchronous interaction between inside and outside truss-like telescopic unit module A by slider crank mechanism.The length of described inner support montant 13 is greater than the twice of interior top boom 7 and interior lower boom 16.In order to strengthen the integral rigidity launching rear mechanism, in two rectangle planes that can form between the inner support montant 13 of the both sides of interior top boom 7 and interior lower boom 16 and center connecting rod 5, a transition inner support elastic rod 51 is set respectively to realize the increase of integral rigidity, transition inner support elastic rod 51 can also provide auxiliary and launch power in expansion process, improves the expansion reliability of whole mechanism.The operation principle of outer transition folding exhibition assembly B2 is with interior transition folding exhibition assembly B1.Interior transition folding exhibition assembly B1 and the outer transition folding exhibition assembly B2 of present embodiment all rely on chord member to launch to drive elastic hinge 15 to realize power drive, do not need to increase extra driving mechanism, alleviate the weight of structure.
Embodiment three: composition graphs 4, Fig. 5 and Fig. 9 illustrate, each described inside and outside truss frame for connecting assembly 3 of present embodiment comprises cross tube 28, sheer pole 29, diagonal angle top boom 18, diagonal angle lower boom 20 and chord member to launch to drive elastic hinge 15;
Be furnished with the chord member affixed with the two between diagonal angle top boom 18 and diagonal angle lower boom 20 to launch to drive elastic hinge 15, cross tube 28, sheer pole 29, diagonal angle top boom 18, diagonal angle lower boom 20 and chord member launch to drive elastic hinge 15 in Z-shaped arrangement, diagonal angle top boom 18 is with outer to roll over the self-latching hinge 6 opened up on unit module A2 hinged, the self-latching hinge 6 that diagonal angle lower boom 20 and infolding are opened up on unit module A1 is hinged, is arranged between the self-latching hinge 6 on inner support montant 13 and the self-latching hinge 6 on outer support montant 12 and is hinged with cross tube 28 and sheer pole 29.Setting like this, the design of modular inside and outside truss frame for connecting assembly 3, the entirety being conducive to inside and outside truss-like telescopic unit module A is launched, and can meet the demand according to antenna aperture and expand.Other is identical with embodiment one or two.
Embodiment four: composition graphs 4, Fig. 5 and Figure 10 explanation, the each inside and outside truss frame for connecting assembly 3 of present embodiment comprises cross tube 28, sheer pole 29, telescopic bar outer tube 21, in telescopic bar, pipe 22 and spring 30 form, cross tube 28, sheer pole 29, in telescopic bar outer tube 21 and telescopic bar, pipe 22 is in Z-shaped arrangement, top in telescopic bar outer tube 21 is provided with spring 30, in telescopic bar, the upper end of pipe 22 to be stretched in telescopic bar outer tube 21 and to be connected with spring 30, the upper end of telescopic bar outer tube 21 and outer to roll over the self-latching hinge 6 opened up on unit module A2 hinged, the self-latching hinge 6 that in telescopic bar, the lower end of pipe 22 and infolding are opened up on unit module A1 is hinged, be arranged between the self-latching hinge 6 on inner support montant 13 and the self-latching hinge 6 on outer support montant 12 and be hinged with cross tube 28 and sheer pole 29.Setting like this, when launching and draw in, telescopic bar outer tube 21 is stretched by spring 30 and pipe 22 in telescopic bar and is shortened, the design of modular inside and outside truss frame for connecting assembly 3, the entirety being conducive to inside and outside truss-like telescopic unit module A is launched, and can meet the demand according to antenna aperture and expand.Other is identical with embodiment two.
Embodiment five: composition graphs 4, Fig. 5, Fig. 7, Fig. 8 and Figure 11 explanation, self-latching hinge 6 described in present embodiment comprises hinge bracket 26, two knuckle joints 27 and two covers are from lock set 28, often overlap and comprise Compress Spring and two pins from lock set 28, the two ends of hinge bracket 26 are processed with U-shaped groove 26-2, the two side of U-shaped groove 26-2 is respectively processed with pin-and-hole 26-1, each hinged with one end of a knuckle joint 27 in the U-shaped groove 26-2 at the two ends of hinge bracket 26, one end of each knuckle joint 27 is processed with groove, Compress Spring is furnished with between the two side arms of the groove of knuckle joint 27, the two ends of Compress Spring are respectively provided with pin, pin passes the support arm of groove and leans on the sidewall of hinge bracket 26, the other end of two knuckle joints 27 respectively with corresponding in top boom 7, interior lower boom 16, outer top boom 8, outer lower boom 17, top boom 31 in transition, lower boom 32 in transition, the outer top boom 41 of transition or the outer lower boom 42 of transition connect.Setting like this, after antenna mechanism is launched, two slidably pin insert in pin-and-hole corresponding on hinge bracket 26 under the effect of internal compression spring, realize the locking of whole antenna mechanism, implementation is simple, and working stability is reliable.Other is identical with embodiment three.
Embodiment six: composition graphs 4, Fig. 5, Fig. 7, Fig. 8 and Figure 12 explanation, slide block 11 described in present embodiment comprises slider bracket 29 and slide block jointing 33, the two ends of slider bracket 29 are rotatably connected to a slide block jointing 33 respectively, the two ends of slider bracket 29 are processed with positive stop lug boss 29-1 respectively, two slide block jointings 33 are spacing by positive stop lug boss 29-1, and the crank 10 of two slide block jointings 33 respectively with corresponding is hinged.Setting like this, after antenna mechanism is deployed into position, two slide block jointings 33 are fixed on the positive stop lug boss 29-1 of slider bracket 29 two ends high spot formation, realize the spacing of whole mechanism, prevent antenna from launching the repercussion motion problems ended.Other with embodiment one, two, four or five identical.
Embodiment seven: composition graphs 4, Fig. 5, Fig. 7, Fig. 8 and Figure 13 illustrate, the chord member described in present embodiment launches to drive elastic hinge 15 to comprise two elastic hinge jointings, 24, two elastic hinge spring leafs 25 and is connected briquetting 23 with four elastic hinges, two elastic hinge spring leafs 25 are symmetrical side by side, the two ends of each elastic hinge spring leaf 25 are gluedd joint with corresponding elastic hinge jointing 24 separately, four elastic hinges connect briquetting 23 and are divided into two couple be arranged symmetrically with up and down, the two ends of each elastic hinge spring leaf 25 are furnished with an elastic hinge respectively and connect briquetting 23, it is affixed with elastic hinge jointing 24 that elastic hinge connects briquetting 23, elastic hinge jointing 24 respectively with corresponding in top boom 7, interior lower boom 16, outer top boom 8, outer lower boom 17, top boom 31 in transition, lower boom 32 in transition, the outer top boom 41 of transition or the outer lower boom 42 of transition connect, described elastic hinge spring leaf 26 is by spring steel, beryllium-bronze or memory alloy material are made.Setting like this, elastic hinge connects the pressuring action that briquetting 23 can realize elastic hinge spring leaf 25, the flexural deformation of elastic hinge can to realize in two interior top booms, 7, two interior lower booms, 16, two outer top booms, 8, two outer lower booms 17, transition the distortion of expansion between lower boom 32, the outer top boom 41 of transition or the outer lower boom 42 of transition in top boom 31, transition and diagonal angle top boom 18 or diagonal angle lower boom 20 and gathering, is conducive to expansion and the gathering of antenna mechanism entirety.Other is identical with embodiment six.
Embodiment eight: composition graphs 4, Fig. 5, Fig. 7 and Fig. 8 illustrate, in the interior top boom 7 of present embodiment, interior lower boom 16, outer top boom 8, outer lower boom 17, transition, in top boom 31, transition, lower boom 32, the outer top boom 41 of transition, transition outer lower boom 42, inner support montant 13 and outer support montant 12 are made by carbon fibre composite or aviation aluminum alloy material.Setting like this, aviation aluminum alloy material has the feature of the recessed combination property of the resistance to antifatigue of high intensity and high ductility, carbon fibre composite has high temperature resistant, rub resistance, conduction, heat conduction and corrosion resistant feature, inside and outside truss-like telescopic unit module relies on elastic hinge to realize power drive, do not need to increase extra driving mechanism, alleviate the weight of structure.Other is identical with embodiment two.
Embodiment nine: illustrate in conjunction with Figure 10, in the cross tube 28 of present embodiment, sheer pole 29, telescopic bar outer tube 21 and telescopic bar, pipe 22 is made by carbon fibre composite or aviation aluminum alloy material; Described drag-line 4 is Kev stay cord or carbon fiber rope.Setting like this, aviation aluminum alloy material has the feature of the recessed combination property of the resistance to antifatigue of high intensity and high ductility, carbon fibre composite has high temperature resistant, rub resistance, conduction, heat conduction and corrosion resistant feature, inside and outside truss-like telescopic unit module relies on elastic hinge to realize power drive, do not need to increase extra driving mechanism, alleviate the weight of structure.Kev stay cord has high temperature resistant, and fire protection flame retarding is lightweight, and intensity is high, and modulus is high, dimensionally stable, and shrinkage is low, resistance toly punctures, abrasion performance, thermal endurance, resistance to chemical attack, good mechanical property, the advantages such as dielectricity is good; It is large that carbon fiber rope has intensity, high conductive feature, is convenient to ensure to repeat precision of expansion.Other is identical with embodiment four.
Embodiment ten: composition graphs 9 illustrates, the cross tube 28 of present embodiment, sheer pole 29, diagonal angle top boom 18 and diagonal angle lower boom 20 are made by carbon fibre composite or aviation aluminum alloy material.Setting like this, aviation aluminum alloy material has the feature of the recessed combination property of the resistance to antifatigue of high intensity and high ductility, carbon fibre composite has high temperature resistant, rub resistance, conduction, heat conduction and corrosion resistant feature, inside and outside truss-like telescopic unit module relies on elastic hinge to realize power drive, do not need to increase extra driving mechanism, alleviate the weight of structure.Other is identical with embodiment five.
The course of work
Composition graphs 1-Figure 13 explanation, the active that multiple inside and outside truss-like telescopic unit module A, multiple interior transition folding exhibition assembly B1 and multiple outer transition folding exhibition assembly B2 realize self respectively under chord member launches to drive the elastic potential energy effect of elastic hinge 15 launches, and the slider-crank mechanism consisted of slide block 10 and crank 9 realizes the synchronous expansion motion of adjacent two inside and outside truss-like telescopic unit module A.Realize under diagonal angle top boom 18 and diagonal angle lower boom 20 and chord member launch to drive the elastic potential energy effect of elastic hinge 15 all inside and outside truss frame for connecting assembly 3 initiatively launch or realize under the action of the spring the shortening of pipe 21 in pipe 22 and telescopic bar in telescopic bar, thus the active realizing all inside and outside truss frame for connecting assemblies 3 launches.Adjacent inside and outside truss-like telescopic unit module A is linked into an integrated entity by interior transition folding exhibition assembly B1 and outer transition folding exhibition assembly B2, corresponding cross tube 28, sheer pole 29, inner support montant 13 and outer support montant 12 form parallelogram sturcutre, thus realize the synchronous expansion of whole antenna mechanism.
Claims (10)
1. based on a double-deck annular truss antenna mechanism for passive drive, it is characterized in that: it comprises multiple inside and outside truss-like telescopic unit module (A), multiple interior transition folding exhibition assembly (B1) and multiple outer transition folding exhibition assembly (B2);
Each inside and outside truss-like telescopic unit module (A) comprises infolding exhibition unit module (A1), outer folding exhibition unit module (A2) and two inside and outside truss frame for connecting assemblies (3);
Infolding exhibition unit module (A1) comprises center and connects montant (5), upper jointing (9), lower jointing (14), two interior top booms (7), two interior lower booms (16), two inner support elastic rods (4), two cranks (10), two slide blocks (11), two inner support montants (13), four self-latching hinges (6) and four chord members expansion driving elastic hinge (15);
The top and bottom of two inner support montants (13) are respectively connected with a self-latching hinge (6), be furnished with jointing (9), two interior top booms (7) and two chord members between the upper end of two inner support montants (13) to launch to drive elastic hinge (15), be furnished with lower jointing (14), two interior lower booms (16) and two chord members between the lower end of two inner support montants (13) and launch to drive elastic hinge (15), be furnished with the center be connected with the two between upper jointing (9) and lower jointing (14) and connect montant (5), the two ends of upper jointing (9) respectively launch to drive elastic hinge (15) to be connected with one end of an interior top boom (7) by a chord member, the other end and the self-latching hinge (6) of interior top boom (7) are hinged, the two ends of lower jointing (14) respectively launch to drive elastic hinge (15) to be connected with one end of an interior lower boom (16) by a chord member, the other end and the self-latching hinge (6) of interior lower boom (16) are hinged,
The lower slide of each inner support montant (13) is provided with a slide block (11), is furnished with the crank (10) hinged with the two between each slide block (11) and corresponding interior lower boom (16); Two inner support elastic rods (4) are furnished with between interior top boom (7) and interior lower boom (16), two inner support elastic rods (4) are arranged in inverse Ba type, one end and the lower jointing (14) of inner support elastic rod (4) are hinged, and the other end of inner support elastic rod (4) is hinged with the self-latching hinge (6) of the upper end being arranged on inner support montant (13);
Outer folding exhibition unit module (A2) comprises center and connects montant (5), upper jointing (9), lower jointing (14), two outer top booms (8), two outer lower booms (17), two outer support elastic rods (41), two cranks (10), two slide blocks (11), two outer support montants (12), four self-latching hinges (6) and four chord members expansion driving elastic hinge (15);
The top and bottom of two outer support montants (12) are respectively connected with a self-latching hinge (6), be furnished with jointing (9), two outer top booms (8) and two chord members between the upper end of two outer support montants (12) to launch to drive elastic hinge (15), be furnished with lower jointing (14), two outer lower booms (17) and two chord members between the lower end of two outer support montants (12) and launch to drive elastic hinge (15), be furnished with the center be connected with the two between upper jointing (9) and lower jointing (14) and connect montant (5), the two ends of upper jointing (9) respectively launch to drive elastic hinge (15) to be connected with one end of an outer top boom (8) by a chord member, the other end and the outer support montant (12) of outer top boom (8) are hinged, the two ends of upper jointing (9) respectively launch to drive elastic hinge (15) to be connected with one end of outer lower boom (17) by a chord member, the other end and the outer support montant (12) of outer lower boom (17) are hinged,
The top of each outer support montant (12) is slidably fitted with a slide block (11), is furnished with the crank (10) hinged with the two between each slide block (11) and corresponding outer top boom (8); Two outer support elastic rods (41) are furnished with between outer top boom (8) and outer lower boom (17), two outer support elastic rods (41) are arranged in splayed configuration, one end and the upper jointing (9) of outer support elastic rod (41) are hinged, and the other end of outer support elastic rod (41) is hinged with the self-latching hinge (6) being arranged on outer support montant (12) lower end;
The length of interior top boom (7) is less than the length of outer top boom (8), the length of interior lower boom (16) is less than the length of outer lower boom (17), connected by inside and outside truss frame for connecting assembly (3) between just right inner support montant (13) and outer support montant (12), be a hexahedron telescopic unit module after inside and outside truss-like telescopic unit module (A) launches, infolding exhibition unit module (A1) of adjacent two inside and outside truss-like telescopic unit modules (A) is connected by interior transition folding exhibition assembly (B1), outer folding exhibition unit module (A2) of adjacent two inside and outside truss-like telescopic unit modules (A) is connected by outer transition folding exhibition assembly (B2), be double-deck annular truss formula polyhedron inside and outside after multiple inside and outside truss-like telescopic unit module (A) launches.
2. the double-deck annular truss antenna mechanism based on passive drive according to claim 1, is characterized in that: interior transition folding exhibition assembly (B1) comprises center and to connect in montant (5), upper jointing (9), lower jointing (14), two transition inner support elastic rods (51), two transition lower boom (32), two cranks (10) and four chord members in top boom (31), two transition and launch driving elastic hinge (15); Be furnished with the center be connected with the two between upper jointing (9) and lower jointing (14) and connect montant (5), in two transition, top boom (31) is coaxially arranged, in two transition, lower boom (32) is coaxially arranged, and in two transition, top boom (31) is arranged in the top of lower boom (32) in two transition;
The two ends of upper jointing (9) respectively launch to drive elastic hinge (15) to be connected with top boom (31) in a transition by a chord member, the self-latching hinge (6) that in transition, top boom (31) is adjacent is hinged, the two ends of lower jointing (14) respectively launch to drive elastic hinge (15) to be connected with lower boom (32) in a transition by a chord member, the self-latching hinge (6) that in transition, lower boom (32) and adjacent infolding are opened up on unit module (A1) is hinged, lower boom (32) is hinged with a crank (10) in each transition, the slide block (11) that crank (10) and adjacent infolding are opened up on unit module (A1) is hinged, the both sides of lower jointing (14) are respectively hinged with transition inner support elastic rod (51), two transition inner support elastic rods (51) are arranged in herringbone, the self-latching hinge (6) that transition inner support elastic rod (51) and adjacent infolding are opened up on unit module (A1) is hinged,
Outer transition folding exhibition assembly (B2) comprises lower boom (42), two cranks (10) and four chord members outside center connection montant (5), upper jointing (9), lower jointing (14), two transition outer support elastic rods (61), two outer top booms (41) of transition, two transition and launches to drive elastic hinge (15); Be furnished with the center be connected with the two between upper jointing (9) and lower jointing (14) and connect montant (5), two outer top booms (41) of transition are coaxially arranged, two outer lower booms (42) of transition are coaxially arranged, and two outer top booms (41) of transition are arranged in the top of the outer lower boom (42) of two transition;
The two ends of upper jointing (9) respectively launch to drive the outer top boom (41) of elastic hinge (15) and a transition to be connected by a chord member, the outer top boom (41) of transition is with adjacent outer to roll over the self-latching hinge (6) opened up on unit module (A2) hinged, the two ends of lower jointing (14) respectively launch to drive elastic hinge (15) to be connected with lower boom (42) in a transition by a chord member, the outer lower boom (42) of transition is with adjacent outer to roll over the self-latching hinge (6) opened up on unit module (A2) hinged, the outer top boom (41) of each transition is hinged with a crank (10), crank (10) is with adjacent outer to roll over the slide block (11) opened up on unit module (A2) hinged, the both sides of upper jointing (9) are respectively hinged with transition outer support elastic rod (61), two transition outer support elastic rods (61) are arranged in splayed, transition outer support elastic rod (61) is with adjacent outer to roll over the self-latching hinge (6) opened up on unit module (A2) hinged.
3. the double-deck annular truss antenna mechanism based on passive drive according to claim 1 and 2, is characterized in that: each inside and outside truss frame for connecting assembly (3) comprises each described inside and outside truss frame for connecting assembly (3) and comprises cross tube (28), sheer pole (29), diagonal angle top boom (18), diagonal angle lower boom (20) and chord member expansion driving elastic hinge (15);
Be furnished with the chord member affixed with the two between diagonal angle top boom (18) and diagonal angle lower boom (20) to launch to drive elastic hinge (15), cross tube (28), sheer pole (29), diagonal angle top boom (18), diagonal angle lower boom (20) and chord member launch to drive elastic hinge (15) in Z-shaped arrangement, diagonal angle top boom (18) is with outer to roll over the self-latching hinge (6) opened up on unit module (A2) hinged, the self-latching hinge (6) that diagonal angle lower boom (20) and infolding are opened up on unit module (A1) is hinged, be arranged between the self-latching hinge (6) on inner support montant (13) and the self-latching hinge (6) on outer support montant (12) and be hinged with cross tube (28) and sheer pole (29).
4. the double-deck annular truss antenna mechanism based on passive drive according to claim 2, it is characterized in that: each inside and outside truss frame for connecting assembly (3) comprises cross tube (28), sheer pole (29), telescopic bar outer tube (21), pipe (22) and spring (30) composition in telescopic bar, cross tube (28), sheer pole (29), (22) are managed in Z-shaped arrangement in telescopic bar outer tube (21) and telescopic bar, top in telescopic bar outer tube (21) is provided with spring (30), the upper end of pipe (22) to be stretched in telescopic bar outer tube (21) and to be connected with spring (30) in telescopic bar, the upper end of telescopic bar outer tube (21) and outer to roll over the self-latching hinge (6) opened up on unit module (A2) hinged, the self-latching hinge (6) that the lower end of the interior pipe (22) of telescopic bar and infolding are opened up on unit module (A1) is hinged, be arranged between the self-latching hinge (6) on inner support montant (13) and the self-latching hinge (6) on outer support montant (12) and be hinged with cross tube (28) and sheer pole (29).
5. the double-deck annular truss antenna mechanism based on passive drive according to claim 3, it is characterized in that: described self-latching hinge (6) comprises hinge bracket (26), two knuckle joints (27) and two covers are from lock set (28), often overlap and comprise Compress Spring and two pins from lock set (28), the two ends of hinge bracket (26) are processed with U-shaped groove (26-2), the two side of U-shaped groove (26-2) is respectively processed with pin-and-hole (26-1), each hinged with one end of a knuckle joint (27) in the U-shaped groove (26-2) at the two ends of hinge bracket (26), one end of each knuckle joint (27) is processed with groove, Compress Spring is furnished with between the two side arms of the groove of knuckle joint (27), the two ends of Compress Spring are respectively provided with pin, pin passes the support arm of groove and leans on the sidewall of hinge bracket (26), the other end of two knuckle joints (27) respectively with corresponding in top boom (7), interior lower boom (16), outer top boom (8), outer lower boom (17), top boom (31) in transition, lower boom (32) in transition, the outer top boom (41) of transition or the outer lower boom (42) of transition connect.
6. according to claim 1, 2, the double-deck annular truss antenna mechanism based on passive drive described in 4 or 5, it is characterized in that: described slide block (11) comprises slider bracket (29) and slide block jointing (33), the two ends of slider bracket (29) are rotatably connected to a slide block jointing (33) respectively, the two ends of slider bracket (29) are processed with positive stop lug boss (29-1) respectively, two slide block jointings (33) are spacing by positive stop lug boss (29-1), the crank (10) of two slide block jointings (33) respectively with corresponding is hinged.
7. the double-deck annular truss antenna mechanism based on passive drive according to claim 6, is characterized in that: described chord member launches to drive that elastic hinge (15) comprises two elastic hinge jointings (24), two elastic hinge spring leafs (25) are connected briquetting (23) with four elastic hinges, two elastic hinge spring leafs (25) are symmetrical side by side, the two ends of each elastic hinge spring leaf (25) are gluedd joint with corresponding elastic hinge jointing (24) separately, four elastic hinges connect briquetting (23) and are divided into two couple be arranged symmetrically with up and down, the two ends of each elastic hinge spring leaf (25) are furnished with an elastic hinge respectively and connect briquetting (23), it is affixed with elastic hinge jointing (24) that elastic hinge connects briquetting (23), elastic hinge jointing (24) respectively with corresponding in top boom (7), interior lower boom (16), outer top boom (8), outer lower boom (17), top boom (31) in transition, lower boom (32) in transition, the outer top boom (41) of transition or the outer lower boom (42) of transition connect, described elastic hinge spring leaf (26) is by spring steel, beryllium-bronze or memory alloy material are made.
8. the double-deck annular truss antenna mechanism based on passive drive according to claim 2, is characterized in that: in interior top boom (7), interior lower boom (16), outer top boom (8), outer lower boom (17), transition, in top boom (31), transition, lower boom (32), the outer top boom (41) of transition, transition outer lower boom (42), inner support montant (13) and outer support montant (12) are made by carbon fibre composite or aviation aluminum alloy material.
9. the double-deck annular truss antenna mechanism based on passive drive according to claim 4, is characterized in that: in cross tube (28), sheer pole (29), telescopic bar outer tube (21) and telescopic bar, pipe (22) is made by carbon fibre composite or aviation aluminum alloy material; Drag-line (4) is Kev stay cord or carbon fiber rope.
10. the double-deck annular truss antenna mechanism based on passive drive according to claim 5, is characterized in that: cross tube (28), sheer pole (29), diagonal angle top boom (18) and diagonal angle lower boom (20) are made by carbon fibre composite or aviation aluminum alloy material.
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| CN106025484A (en) * | 2016-07-04 | 2016-10-12 | 燕山大学 | Scissors fork linkage type double-layer circular truss unfoldable antenna mechanism |
| CN107284693A (en) * | 2017-06-08 | 2017-10-24 | 天津大学 | A kind of drag-line drives anti-singular point hinge |
| CN108183309A (en) * | 2018-03-13 | 2018-06-19 | 燕山大学 | Mix scissor-type bilayer annular truss deployable antenna mechanism |
| 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 |
| CN109659701A (en) * | 2018-12-17 | 2019-04-19 | 西北工业大学 | A kind of truss-like synchronization deployable antenna |
| CN109683145A (en) * | 2018-12-14 | 2019-04-26 | 中国航空工业集团公司北京航空精密机械研究所 | The stage body of large scale edge driving revolving-turret |
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| CN106025484B (en) * | 2016-07-04 | 2019-02-22 | 燕山大学 | Scissor coordinated type bilayer annular truss deployable antenna mechanism |
| CN107284693B (en) * | 2017-06-08 | 2019-08-06 | 天津大学 | A kind of anti-singular point hinge of drag-line driving |
| CN107284693A (en) * | 2017-06-08 | 2017-10-24 | 天津大学 | A kind of drag-line drives anti-singular point hinge |
| CN108183309A (en) * | 2018-03-13 | 2018-06-19 | 燕山大学 | Mix scissor-type bilayer annular truss deployable antenna mechanism |
| CN108598662B (en) * | 2018-03-27 | 2020-03-13 | 西安电子科技大学 | Double-layer parallelogram annular expandable truss |
| 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 |
| CN109683145A (en) * | 2018-12-14 | 2019-04-26 | 中国航空工业集团公司北京航空精密机械研究所 | The stage body of large scale edge driving revolving-turret |
| CN109659701A (en) * | 2018-12-17 | 2019-04-19 | 西北工业大学 | A kind of truss-like synchronization deployable antenna |
| CN110792178A (en) * | 2019-11-11 | 2020-02-14 | 哈尔滨工业大学 | Large-scale form can expand truss mechanism |
| CN110792178B (en) * | 2019-11-11 | 2020-12-29 | 哈尔滨工业大学 | Large-scale form can expand truss mechanism |
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| CN111224210B (en) * | 2020-01-16 | 2022-03-29 | 太原理工大学 | Large-scale cable pole truss type deployable antenna mechanism |
| CN114095054A (en) * | 2021-11-25 | 2022-02-25 | 上海海积信息科技股份有限公司 | Antenna array and signal transceiving method |
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