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    • 6. 发明公开
    • LOW WEIGHT, COMPACTLY DEPLOYABLE SUPPORT STRUCTURE
    • KOMPAKTE AUSKLAPPBARESTÜTZSTRUKTURMIT GERINGEM GEWICHT
    • EP2640643A1
    • 2013-09-25
    • EP10781844.5
    • 2010-11-19
    • European Space Agency
    • SANTIAGO PROWALD, Julian B.SUCH TABOADA, Miguel
    • B64G1/22B64G1/66
    • B64G1/66B64G1/222E04B1/3441H01Q1/288H01Q15/161H01Q15/20
    • The present invention relates to deployable support structures, such as but not limited to large deployable apertures for space applications. A six-bar linkage structure is proposed as the lateral facet of a truncated pyramid. This six-bar linkage comprises six articulated struts 1, 2, 3, 4, 5, 6, each coupled to two others by a revolute joint 7 to form a closed loop. The six-bar linkage structure 10 being convertible from a deployed state 10A into a folded state 10D and vice versa. In the deployed state 10A, the six-bar linkage structure 10 forming a trapezoid with two opposing first and second parallel sides, each of the first and second opposing parallel sides being formed by two struts 3,4; 5,6 arranged in series and coupled by a revolute joint 7a; 7b at the center of the first and second parallel sides. In the folded state 10D, the two struts 3, 4 of the first side being pivoted around the first revolute joint 7a so that the opposing end portions 3c, 4e of the two struts 3, 4 are located side by side and the two struts 5, 6 of the second side being pivoted around the second revolute joint 7b so that the opposing end portions 5f, 6g of the two struts 5, 6 are located side by side. The six-bar linkage structure constitutes the key element that allows constructing unit cells of scalable and modular deployable structures with double curvature. This deployable structure concept can be used for civil constructions, including but not limited to domes, roofs, housing, tents and bridges.
    • 可部署的支撑结构包括六柱连杆结构作为截顶棱锥的侧面。 六杆连杆结构包括六个铰接支柱,每个支柱通过旋转接头连接到另外两个支柱,以形成闭环。 六杆联动结构可以从部署状态转换成折叠状态,反之亦然。 在一个实施例的展开状态下,六杆连杆结构形成梯形,其中两个相对的第一和第二平行侧由两个串联布置的支柱形成,并且通过在平行侧的中心处的旋转接头联接。 在折叠状态下,每个平行侧的两个支柱围绕接头枢转,使得支柱的相对端部并排定位。 可扩展和模块化的可部署结构可用于空间应用以及民用结构,如圆顶,屋顶,住房,帐篷和桥梁。
    • 7. 发明公开
    • ARBITRARILY SHAPED DEPLOYABLE MESH REFLECTORS
    • ARBITRÄRGEFORMTE EINSETZBARE MESH-REFLEKTOREN
    • EP2005521A2
    • 2008-12-24
    • EP07751916.3
    • 2007-02-28
    • The Boeing Company
    • BASSILY, Samir, F.
    • H01Q15/16
    • H01Q15/168H01Q15/161Y10T29/49904
    • A method and apparatus for making a mesh reflector that may be used to produce a shaped reflector is provided. The mesh reflector may be an umbrella-style deployable mesh reflector capable of approximating both parabolic and arbitrarily shaped reflecting surfaces, including those with regions of reversed curvature. The reflecting surface may be provided by a soft mesh attached to a highly pre-tensioned net composed of two sets of substantially parallel chords forming a plurality of parallelogram-shaped facets. The net/mesh may be made to conform to the desired shape by pulling and/or pushing on it at each of its facet corners via a set of finely adjustable tension ties and/or compression rods, the distal ends of which react against a set of pre-tensioned catenary-shaped chords disposed on the aft side of the mesh. The net/mesh and the aft catenaries may be supported and pre-tensioned by a set of substantially stiff radial ribs connected to a central hub by a means capable of providing high deployment torque and a means for controlling and coordinating the deployment of the ribs so that they reach their fully deployed positions nearly simultaneously. Methods for fabricating the mesh and attaching it to the net are also provided.
    • 提供了一种用于制造可用于生产成形反射器的网状反射器的方法和装置。 网格反射器可以是能够近似抛物面和任意形状的反射表面的伞形可部署网状反射器,包括具有反曲率区域的反射表面。 反射表面可以由连接到形成多个平行四边形形小面的由两组基本上平行的和弦组成的高度预张紧网的软网提供。 网/网可以通过在其每个小角上通过一组精细调节的张紧系带和/或压缩杆拉动和/或推动它来使其符合期望的形状,其远端对抗一组 布置在网格的后侧的预张紧的悬链状和弦。 网/网和后悬链可以由一组通过能够提供高展开扭矩的装置连接到中心毂的基本上刚性的径向肋来支撑和预张紧,以及用于控制和协调肋的展开的装置,使得它们 几乎同时到达其完全部署的位置。 还提供了用于制造网并将其附接到网的方法。