WO2005111343A1 - Structure deployable - Google Patents

Structure deployable Download PDF

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Publication number
WO2005111343A1
WO2005111343A1 PCT/SG2005/000149 SG2005000149W WO2005111343A1 WO 2005111343 A1 WO2005111343 A1 WO 2005111343A1 SG 2005000149 W SG2005000149 W SG 2005000149W WO 2005111343 A1 WO2005111343 A1 WO 2005111343A1
Authority
WO
WIPO (PCT)
Prior art keywords
hinge
elements
deployable structure
deployable
members
Prior art date
Application number
PCT/SG2005/000149
Other languages
English (en)
Inventor
Jat Yuen Richard Liew
Anandasivam Krishnapillai
Original Assignee
National University Of Singapore
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National University Of Singapore filed Critical National University Of Singapore
Publication of WO2005111343A1 publication Critical patent/WO2005111343A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/34—Supporting means, e.g. frames
    • E04H15/44—Supporting means, e.g. frames collapsible, e.g. breakdown type
    • E04H15/48—Supporting means, e.g. frames collapsible, e.g. breakdown type foldable, i.e. having pivoted or hinged means
    • E04H15/50—Supporting means, e.g. frames collapsible, e.g. breakdown type foldable, i.e. having pivoted or hinged means lazy-tongs type
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/005—Girders or columns that are rollable, collapsible or otherwise adjustable in length or height
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E04B2001/1918—Connecting nodes specially adapted therefor with connecting nodes having flat radial connecting surfaces
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1927—Struts specially adapted therefor of essentially circular cross section
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1981—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework
    • E04B2001/1984—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework rectangular, e.g. square, grid
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1996—Tensile-integrity structures, i.e. structures comprising compression struts connected through flexible tension members, e.g. cables

Definitions

  • the present invention relates broadly to a deployable structure and an assembly comprising a plurality of deployable structures.
  • Deployable structures for example, space frames, panels, domes, vaults, towers, columns etc.
  • These structures are usually transported in a folded state to a chosen site for deployment. After use, they may be folded back and stored for redeployment.
  • conventional deployable structures suffer from poor structural configurations in a fully deployed state.
  • Many conventional foldable structures deploy into non-optimal shapes as the requirement for the structure to be foldable imposes geometric constraints that are sometimes contrary to structural requirements.
  • the deployable structures may be bulky in a folded state, and are mechanically complex in design.
  • Typical self-stabilizing or “clicking” or “self-locking” deployable structures do not provide structurally optimal forms in the fully deployed state. Some of them require enormous forces and coordination for deployment and undergo significant bending during deployment. Other forms of structural systems require a large number of individual components and complicated assembly operations to form the structure, making deployment or folding the structures time consuming and costly.
  • a deployable structure comprising a plurality of pairs of beam members, the two beam members of each pair of beam members are pivotally joined to each other at a point along the lengths of each of the beam members, a plurality of pairs of hinge elements, each pair of hinge elements comprising a first hinge element and a second hinge element, one pair of beam members is connected to an adjacent pair of beam members via one pair of hinge elements, a plurality of first cable elements connecting the first hinge elements of adjacent pairs of hinge elements, a plurality of second cable elements connecting the second hinge elements of adjacent pairs of hinge elements, and the beam members and the hinge elements interact with the pluralities of first and second cable elements to facilitate stabilization of the deployable structure in a deployed state.
  • the deployable structure may further comprise a plurality of detachable auxiliary support members, wherein each support member connects the first hinge element to the second hinge element of respective pairs of hinge elements.
  • the deployable structure may further comprise a third hinge element, defining a first apical point of the deployable structure in the deployed state, and a plurality of first connecting members, wherein said first hinge elements are connected to said third hinge element via said first connecting members.
  • the deployable structure may further comprise a fourth hinge element, defining a second apical point of the deployable structure in the deployed state, and a plurality of second connecting members, wherein said second hinge elements are connected to said fourth hinge element via said second connecting members.
  • the deployable structure may further comprise a central member wherein the third and fourth hinge elements are connected to different ends of the central member.
  • the deployable structure may further comprise a plurality of third cable elements connecting said third hinge element to said second hinge elements.
  • the deployable structure may further comprise a network of auxiliary cable elements wherein said cable elements connects said first and second hinge elements to a point substantially in the centre of the deployable structure in the deployed state.
  • the first and second hinge elements may be connected to the point by a hub.
  • the deployable structure may further comprise three or more pairs of beam members.
  • the deployable structure may further comprise one or more energy stored devices for facilitating deployment of the deployable structure.
  • the cable elements may be detachably mounted to the deployable structure.
  • One or more of the pluralities of cable elements may comprise an continuous cable comprising the cable elements.
  • the two members of each pair of beam members may be pivotally joined to each other at a point substantially intermediate along the lengths of each of the two members.
  • an assembly comprising a plurality of deployable structures, each deployable structure comprising a plurality of pairs of beam members, the two members of each pair of beam members are pivotally joined to each other at a point along the lengths of each of the two members, a plurality of pairs of hinge elements, each pair of hinge elements comprising a first hinge element and a second hinge element, one pair of beam members is connected to an adjacent pair of beam members via one pair of hinge elements, a plurality of first cable elements connecting the first hinge elements of adjacent pairs of hinge elements, a plurality of second cable elements connecting the second hinge elements of adjacent pairs of hinge elements, and the beam members and the hinge elements interact with the pluralities of first and second cable elements to facilitate stabilization of the deployable structure in a deployed state.
  • the assembly may further comprise a plurality of detachable auxiliary support members, wherein each detachable member connects the first hinge element to the second hinge element of respective pairs of hinge elements. Laterally adjacent deployable structures may be interconnected via the pairs of hinge elements.
  • Horizontally adjacent deployable structures may be interconnected via one of the hinge elements of the respective pairs of hinge elements.
  • the cable elements may be detachably mounted to the respective deployable structures.
  • One or more of the pluralities of cable elements may comprise a continuous cable comprising the cable elements.
  • each pair of beam members are pivotally joined to each other at a point substantially intermediate along the lengths of each of the two members.
  • Figure 1a is a schematic view of a deployable structure according to an embodiment of the present invention.
  • Figure 1 b is a schematic close-up view of a hinge of the deployable structure in Figure 1a.
  • Figure 1c is a schematic perspective view of a structural system comprising a plurality of deployable structures in Figure 1a;
  • Figures 2a - 2c are schematic views of the deployable structure of Figure 1a in a deployed state, a partially folded state, and a folded state, respectively;
  • Figure 3a is a schematic perspective view of the deployable structure according to another embodiment of the present invention
  • Figure 3b is a schematic side view of the deployable structure in Figure 3a;
  • Figure 3c is a schematic perspective view of a structural system comprising a plurality of deployable structures in Figure 3a;
  • Figures 3d - 3f are schematic views of the deployable structure of Figure 3a in a deployed state, a partially folded state, and a folded state, respectively;
  • Figure 4a is a schematic perspective view of the deployable structure according to another embodiment of the present invention
  • Figure 4b is a schematic side view of the deployable structure in Figure 4a;
  • Figure 4c is a schematic perspective view of a structural system comprising a plurality of deployable structures in Figure 4a;
  • Figures 4d - 4f are schematic views of the deployable structure of Figure4a in a deployed state, a partially folded state, and a folded state, respectively;
  • Figure 5a is a schematic perspective view of the deployable structure according to another embodiment of the present invention.
  • Figure 5b is a schematic side view of the deployable structure in Figure 5a
  • Figure 5c is a schematic perspective view of a structural system comprising a plurality of deployable structures in Figure 5a;
  • Figures 5d - 5f are schematic views of the deployable structure of Figure 5a in a deployed state, a partially folded state, and a folded state, respectively.
  • FIG. 1a A schematic view of a deployable structure 100 in an example embodiment is shown in Figure 1a.
  • the deployable structure 100 comprises four scissors-like elements (SLEs) 102.
  • Each scissors-like element (SLE) comprises two bars 104a, 104b disposed in a crossed manner and rotably joined at a pivot 106, each SLE defining a substantially flat plane 108.
  • the bars 104a, 104b may be in the form of strut elements, tube elements, etc.
  • the pivot 106 is disposed at a position substantially halfway along the length of both bars 104a, 104b.
  • the pivot 106 may also be disposed at other intermediate positions along the length of the bars 104a, 104b.
  • each SLE 102 The ends of the bars 104a, 104b forming each SLE 102 are connected by hinges 110, 112 to the ends of the bars 104a, 104b of at least one adjacently positioned SLE 102.
  • Each upper hinge 110 is connected to adjacent upper hinges 110 by a top cable 114.
  • the top cable 114 joining the upper hinges 110 defines an upper plane 120 that is substantially perpendicular to the plane 108 defined by the SLE, when the deployable structure 100 is in a deployed state.
  • Each lower hinge 112 is connected to adjacent lower hinges 112 by a bottom cable 116.
  • the bottom cable 116 joining the lower hinges 112 defines a lower plane 122 that is substantially perpendicular to the plane 108 defined by the SLE, when the deployable structure 100 is in the deployed state.
  • Each upper hinge 110 is connected to the corresponding lower hinge 112 by a support rod 124.
  • the support rods 124 are mounted to the upper and lower hinges 110, 112 when the deployable structure 100 is in the deployed state, as shown in Figure 1a.
  • a schematic close-up view of a hinge, for example, upper hinge 110, is shown in Figure 5a.
  • the upper hinge 110 comprises a connector 111, and a connector rod 123 extending from the connector 111.
  • the connector 111 has four flanges 111a extending substantially perpendicular to the axis of the connector rod 123.
  • Each flange 111a is disposed substantially 90° with respect to each other.
  • the connector 111, the connector rod 123 and the flanges 111a are formed integrally.
  • the connector rod 123 and the support rod 124 are hollow.
  • the connector rod 123 has an outer diameter smaller that an inner diameter of the support rod 124 to allow connector rod 123 to be inserted into the support rod 124.
  • the connector rod 123 and the support rod 124 have corresponding holes 123a, 124a to allow the upper hinge 110 to be secured to the support rod 124 by using a pin 126, as shown in Figure 1b.
  • the upper hinge 110 can be detached from the support rod 124 by removing the pin 126.
  • the connector 113 of the lower hinge 112 is permanently attached to the support rod 124 in this embodiment.
  • the ends of the flanges 111a and the ends of the bars 104a, 104b of the SLE 102 have corresponding holes to allow the end of each bar 104a, 104b to be secured to the flanges 111a, 113a, for example, by using a bolt.
  • FIGs 1a and 1b only two flanges 111a, 113a of each hinge 110, 112 are attached to the bars 104a, 104b of the SLEs 102.
  • the other two free flanges may be used for attaching the bars of an adjacent deployable structure.
  • top cables and bottom cables pass through the upper hinges 110 and the lower hinges 112, respectively.
  • the cables may comprise individual segments between neighbouring hinges, with terminals at either end allowing them to be connected to the respective hinges e.g. using a pivot.
  • the cables may be continuous and passing e.g. through the hinges, and may be fastened to the respective hinges by a clamping mechanism.
  • one end of the support rod 124 is removably attached to the upper hinge 110 while the opposite end of the support rod 124 is permanently attached to the lower hinge 112.
  • the support rod 124 may be removably attached to both upper and lower hinges in different embodiments.
  • the support rods 124 help to stabilise the geometry of the deployable structure 100 and pretension the cables 114, 116 when the deployable structure is in a deployed state.
  • the kinematic links provided by the SLEs 102 help co-ordinate the deployment process, facilitating in the deployment and folding of the deployable structure 100.
  • the top and bottom cables 120, 122 help to stabilise the geometry of the deployable structure 100 when the deployable structure 100 is in the fully deployed state.
  • the cables 120, 122 also carry tensional loads efficiently and makes the deployable structure 100 significantly lighter and stiffer compared to conventional structures.
  • the deployable structure 100 in Figure 1a is a square unit comprising four SLEs 102. Numerous other polygonal shapes may be formed with at least three SLEs.
  • a plurality of deployable structures as described may be connected and deployed to form structural systems.
  • a plurality of the deployable structures 100 may be connected to form a platform 150, as shown. in Figure 1c.
  • FIGS 2a to 2c are schematic views of the deployable structure 100 in a deployed state, a partially folded state and a folded state, respectively.
  • the deployable structure 100 is folded from the fully deployed state (Figure 2a) by detaching the support rods 124 from the upper hinges 110.
  • the support rods 124 are detached, the ends of each SLE 102 are folded, as shown in Figure 2b.
  • the bars 104a, 104b of each SLE 102 are substantially parallel to the support rods 124.
  • the top and bottom cables 114, 116 being flexible, are folded accordingly.
  • compaction of the deployable structure 100 is achieved when the deployable structure 100 is in the folded state.
  • cables e.g. top cables 114 and bottom cables 116
  • improved compaction of the deployable structure 100 can be achieved when the structure 100 is in a folded state.
  • the mechanical complexity of the deployable structure is also minimised.
  • FIG 3a is a schematic perspective view of a deployable structure 300, in accordance with another embodiment of the present invention.
  • a schematic side view of the deployable structure 300 is shown in Figure 3b.
  • the deployable structure 300 further comprises a top hinge 330 disposed substantially centrally above the upper plane 320 and a bottom hinge 332 disposed substantially centrally below the lower plane 322, when the deployable structure 300 is in the deployed state.
  • the top hinge and bottom hinge 330, 332 define apical points of the deployable structure 300, as shown in Figures 3a and 3b.
  • a central rod 334 connects the top hinge 330 to the bottom hinge 332.
  • the central rod 334 is disposed substantially in the middle of the deployable structure 300 in the deployed state.
  • the top hinge 330 comprises four flanges 331 extending substantially perpendicular to the central rod 334.
  • Four connecting rods 336 radiate from the top hinge 330, each being connected to the top hinge 330 via one flange 331.
  • the bottom hinge 332 comprises four flanges 333 extending substantially perpendicular to the central rod 334.
  • Four connecting rods 336 radiate from the bottom hinge 332, each being connected to the bottom hinge 332 via one flange 333.
  • the central rod 334 is permanently attached to the bottom hinge 332 and removably attached to the top hinge 330.
  • the central rod 334 may be removably attached to both the top and bottom hinges 330, 332 in other embodiments. It should be appreciated that the top hinge and bottom hinge are interchangeable terms, depending on the orientation of the deployable structure.
  • the upper hinge 310 and the lower hinge 312 each comprise a first connector 310a, 312a and a second connector 31 Ob, 312b, respectively.
  • the first and second connectors 310a, 310b of the upper hinge 310 are permanently attached to the support rod 324, while the first and second connectors 312a, 312b of the lower hinge 312 are removably attached to the lower hinge 312 in this embodiment.
  • the terms upper hinge and lower hinge are interchangeable, depending on the orientation of the deployable structure 300. As the upper hinge 310 and the lower hinge 312 are similar in this embodiment, only the upper hinge 310 is described for illustration purposes.
  • the first connector 310a of the upper hinge 310 comprises four flanges 311 a extending substantially perpendicular to the axis of the support rod 124.
  • the second connector 310b of the upper hinge 310 comprises four flanges 311b extending substantially perpendicular to the axis of the support rod 324.
  • Each flange 311a, 311b is disposed substantially 90° with respect to each other.
  • the first connector 310a is disposed adjacent to the second connector 310b along the support rod 324 near an end of the support rod 324.
  • the flanges 311a of the first connector 310a are offset from the flanges 311 b of the second connector by about 45°.
  • each SLE 302 The bars 304a, 304b of each SLE 302 are attached to the first connector 310a of the respective upper hinge 310 via the flanges 311a of the first connector 310a.
  • Each connecting rod 336 connects the top hinge 330 to the second connector 310b of each respective upper hinge 310 via the flanges 311 b of the second connector 310b.
  • the lower hinge 312 comprises two connectors 312a, 312b.
  • the bars 304a, 304b of each SLE 302 are attached to the first connector 313a of the respective lower hinge 312 via the flanges 313a of the first connector 312a.
  • Another four connecting rods 336 connect the bottom hinge 332 to the second connector 312b of the respective lower hinge 312 via the flanges 313b of the second connector 312b.
  • a plurality of deployable structures as described may be connected and deployed to form structural systems.
  • a plurality of the deployable structures 300 may be connected to form a platform 350, as shown in Figure 3c.
  • FIG. 3d-3f Schematic views of the deployable structure of Figure 3a in a deployed state, a partially folded state, and a folded state are shown in Figures 3d-3f, respectively.
  • the representation of the upper hinges 310, the lower hinges 312, the top hinge 330 and the bottom hinge 332 are simplified in Figures 3d-3f.
  • the support rods 324 are detached from the lower hinges 332 and the central rod 334 is detached from the top hinge 330.
  • the bars 304a, 304b of each SLE 302 are folded towards each other (as shown in Figure 3e) such that in a folded state, the top hinge 330 and bottom hinge 332 form apical points to the deployable structure 300, as shown in Figure 3f.
  • FIG 4a is a schematic perspective view of the deployable structure 400, in accordance with another embodiment of the present invention.
  • a schematic side view of the deployable structure 400 is shown in Figure 4b.
  • the deployable structure 400 comprises a first network of auxiliary cables 450a, connect the upper hinges 412 to a first hub element 452a and a second network of auxiliary cables 450b connect the lower hinges 412 to a second hub element 452b, as shown in Figure 4e.
  • the first and second hub elements are removably attached to each other, forming a main hub element 452, when the deployable structure is in the deployed state as shown in Figures 4a and 4d.
  • the main hub element 452 is disposed substantially in the center of the deployable structure 400 between a plane defined by the upper hinges 410 and a plane defined by the lower hinges 412 (see Figure 4b), when the deployable structure 400 is in the deployed state. It should be appreciated that the main hub element 452 may be disposed at any location between the plane defined by the upper hinges 410 and the plane defined by the lower hinges 412.
  • the upper and lower hinges 410, 412 are similar in structure to, for example, the upper and lower hinges 110, 112 in Figure 1a.
  • the bars 404a, 404b of each SLE 402 are connected to the upper and lower hinges 410, 412 via the flanges 411 a, 413a of the respective connectors 411 , 413.
  • the support rods 424 are permanently attached to the lower hinges 412 and removably attached to the upper hinges 410.
  • the support rods 424 may be removably attached to both the upper hinges and the lower hinges in other embodiments. It should be appreciated that the terms upper hinges and lower hinges are interchangeable, depending on the orientation of the deployable structure 400.
  • Sheets of material for example fabric covers (not shown) may be attached to the top and bottom cables 414, 416.
  • a plurality of the deployable structures 400 may be connected to form a substantially flat platform 460, as shown in Figure 4c.
  • FIG. 4d-4f Schematic views of the deployable structure of Figure 4a in a deployed state, a partially folded state, and a folded state are shown in Figures 4d-4f, respectively.
  • the representation of the upper hinges 410 and the lower hinges 412 are simplified in Figures 4d-4f.
  • the support rods 424 are detached from the upper hinges 410.
  • the first hub element 452a is detached from the second hub element 452b.
  • the bars 404a, 404b of each SLE 402 are folded towards each other (as shown in Figure 4e) such that in a folded state, the structure 400 is substantially elongate as shown in Figure 4f.
  • FIG 5a is a schematic perspective view of the deployable structure 500, in accordance with another embodiment of the present invention.
  • a schematic side view of the deployable structure 500 is shown in Figure 5b.
  • the deployable structure 500 comprises four connecting rods 536 radiating from the top hinge 530, connecting the top hinge 530 to the respective upper hinge 510.
  • the upper hinges 510, the connecting rods 536 and the top hinge 530 are similar to, for example, the upper hinges 310, the connecting rods 336 and the top hinge 330 in Figure 3a.
  • One end of each connecting rod 536 is connected to the top hinge 530 via the flanges 531 of the top hinge 530.
  • each connecting rod 536 is connected to the second connector 510b of the upper hinge 510 via the flanges 511a of the second connector 510b.
  • the bars 504a, 504b of each SLE 502 are connected to the first connector 510a of the respective upper hinge 510 via the flanges 511a of the first connector 510a.
  • An additional network of auxiliary cables 550 radiating from the top hinge 530 connect the top hinge 530 to the respective lower hinges 512 via the flanges 513 of the lower hinges 512.
  • the additional network of auxiliary cables 550 are in turn connected to a hub 530a detachably housed within the top hinge 530 (see Figure 5e).
  • the hub 530a is similar to, for example, the second hub element 452b in Figure 4e.
  • the lower hinges 512 are similar in structure to, for example, the lower hinges 112 in Figure 1a.
  • the bars 504a, 504b of each SLE 502 are connected to the lower hinges 512 via the flanges 513a of the connector 513.
  • the deployable structure 500 When viewed from the side, the deployable structure 500 comprises an apical point defined by the top hinge 530, as shown in Figure 5b. A plurality of the deployable structures 500 may be connected to form a platform 560, as shown in Figure 5c.
  • the support rods 524 are permanently attached to the upper hinges 510 and removably attached to the lower hinges 512. It should be appreciated that the terms upper hinge and lower hinge are interchangeable, depending on the orientation of the deployable structure 500.
  • FIG. 5d-5f Schematic views of the deployable structure of Figure 5a in a deployed state, a partially folded state, and a folded state are shown in Figures 5d-5f, respectively.
  • the representation of the upper hinges 510 and the lower hinges 512 are simplified in Figures 5d-5f.
  • the support rods 524 are detached from the lower hinges 512.
  • the hub 530a is detached from the top hinge 530.
  • the bars 504a, 504b of each SLE 502 are folded towards each other (as shown in Figure 5e) such that the folded structure 400 is substantially elongate as shown in Figure 5f.
  • top and bottom hinges e.g. top hinge 330, 530, bottom hinge 332
  • auxiliary cables e.g. auxiliary cables 450, 550
  • the support rods may comprise two sections. Each section having an end removably attached to each other and having an opposite end permanently attached to the upper / lower hinge.
  • energy storing devices such as springs and rubber, and mechanisms for aligning the cables may be incorporated into the deployable structures to facilitate the deployment and folding processes. Such energy storing devices may be used in combination with locking mechanisms to self deploy and stabilise the deployable structure into the fully deployed state. Further, energy dissipating mechanisms may be used for damping, especially for space applications.
  • Electronically controlled locks may be used to facilitate the locking and release of the locks in some or all of the hinges.
  • the deployable structures can be vertically extended by adding deployable structures on top of each other, connecting respective top and bottom pivots of individual deployable structures, with the SLE's of the deployable structures placed on top of each other arranged in the same plane.
  • Fabric, sheet and other forms of covering material may be attached to the rods or cables for example, by designing their shape to facilitate direct attachment.
  • the rods and cables may also be structurally integrated with the sheet material or cover.
  • a plurality of deployable structures of different configurations may be connected to form structural systems.
  • a plurality of deployable structures 400 in Figure 4a may be connected to a plurality of deployable structures 500 in Figure 5a to form a structural system (not shown).
  • deployable structures in the above embodiments may be deployed and welded.
  • a plurality of deployable structures may be arranged in a number of geometric configurations including walls, domes, curvilinear shapes, etc.
  • the structures in the example embodiments achieve quick installation with the minimal assembly operations.
  • the structure is substantially free of stress during deployment and in the folded configuration.
  • deployable structures include a wide range of temporary and permanent structures such as exhibition, emergency, entertainment, military, and space structures that require rapid deployment. It also can be used for shelters, roofs, bridges, pylons, radars, vaults and structures of various configurations.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Details Of Aerials (AREA)

Abstract

L'invention concerne une structure déployable (100) comprenant une pluralité de paires (102) d'éléments de poutre, les deux éléments de poutre (104a, 104b) de chaque paire étant assemblés de manière pivotante (106) l'un à l'autre, une pluralité de paires d'éléments d'articulation comprenant un premier élément d'articulation (110) et un second élément d'articulation (112), une paire d'éléments de poutre étant reliée à une paire adjacente d'éléments de poutre, par une paire d'éléments d'articulation, un premier élément de câble (114) et un second élément de câble (116) reliant respectivement le premier élément d'articulation et le second élément d'articulation de paires adjacentes d'éléments d'articulation.
PCT/SG2005/000149 2004-05-13 2005-05-13 Structure deployable WO2005111343A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57065204P 2004-05-13 2004-05-13
US60/570,652 2004-05-13

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WO2005111343A1 true WO2005111343A1 (fr) 2005-11-24

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
GB2451043B (en) * 2006-04-10 2011-03-09 Guibao Xue Double layer cable-strut roof system
CN102605861A (zh) * 2012-03-08 2012-07-25 东南大学 可展索杆穹顶结构
ITBS20120104A1 (it) * 2012-07-06 2014-01-07 Alessandra Petissi Sistema nodale costruttivo di rapido assemblaggio, per strutture portanti, corpi di fabbrica e manufatti di polivalente utilizzo
CN103825098A (zh) * 2014-02-18 2014-05-28 哈尔滨工业大学深圳研究生院 一种构架式空间可展天线展开机构
WO2017194775A1 (fr) 2016-05-12 2017-11-16 Centre National De La Recherche Scientifique (Cnrs) Assemblage de modules de tensegrites pliables
ES2736600A1 (es) * 2018-06-29 2020-01-03 Univ Cantabria Nudo de conexión acoplable para estructuras desplegables
IT201800010824A1 (it) * 2018-12-05 2020-06-05 Thales Alenia Space Italia Spa Con Unico Socio Telaio di supporto estendibile, e struttura di alloggiamento provvista di tale telaio di supporto, in particolare per applicazioni aerospaziali
ES2921098A1 (es) * 2021-02-11 2022-08-17 Univ Cantabria Nudo engranado acoplable para malla espacial
US11958639B2 (en) 2018-12-05 2024-04-16 Thales Alenia Space Italia S.P.A. Con Unico Socio Deployable supporting frame, and housing structure provided with such supporting frame, in particular for aerospace applications

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US4912887A (en) * 1988-12-27 1990-04-03 Sullivan Brian J Portable stage apparatus
EP0547542A1 (fr) * 1991-12-17 1993-06-23 I.C.P. INDUSTRIA COMPONENTI PREFABBRICATI S.r.l. Structure de recouvrement spécialement pour surfaces ayant une forme allongée

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2451043B (en) * 2006-04-10 2011-03-09 Guibao Xue Double layer cable-strut roof system
CN102605861A (zh) * 2012-03-08 2012-07-25 东南大学 可展索杆穹顶结构
ITBS20120104A1 (it) * 2012-07-06 2014-01-07 Alessandra Petissi Sistema nodale costruttivo di rapido assemblaggio, per strutture portanti, corpi di fabbrica e manufatti di polivalente utilizzo
WO2014006578A1 (fr) * 2012-07-06 2014-01-09 Puritani Michelangelo Système de construction nodal à montage rapide pour structures porteuses de charge, bâtiments et artéfacts d'utilisation polyvalente
CN103825098A (zh) * 2014-02-18 2014-05-28 哈尔滨工业大学深圳研究生院 一种构架式空间可展天线展开机构
WO2017194775A1 (fr) 2016-05-12 2017-11-16 Centre National De La Recherche Scientifique (Cnrs) Assemblage de modules de tensegrites pliables
ES2736600A1 (es) * 2018-06-29 2020-01-03 Univ Cantabria Nudo de conexión acoplable para estructuras desplegables
IT201800010824A1 (it) * 2018-12-05 2020-06-05 Thales Alenia Space Italia Spa Con Unico Socio Telaio di supporto estendibile, e struttura di alloggiamento provvista di tale telaio di supporto, in particolare per applicazioni aerospaziali
US11958639B2 (en) 2018-12-05 2024-04-16 Thales Alenia Space Italia S.P.A. Con Unico Socio Deployable supporting frame, and housing structure provided with such supporting frame, in particular for aerospace applications
ES2921098A1 (es) * 2021-02-11 2022-08-17 Univ Cantabria Nudo engranado acoplable para malla espacial

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