Modular spatial curved surface folding and unfolding antenna mechanism based on rib mechanisms
A modular and space-based technology, applied in folded antennas, antennas, electrical components, etc., can solve the problems of poor overall stiffness, umbrella-shaped antenna structure, expandable truss antenna structure, inability to form a parabolic cylinder, and low surface accuracy, to achieve Ease of popularization, improvement of profile precision, and effect of profile precision improvement
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specific Embodiment approach 1
[0024] Specific implementation mode one: combine Figure 1-Figure 9 Explain that a rib mechanism-based modular space curved surface folding antenna mechanism in this embodiment includes two speed control motors 3, two longitudinal connecting rib mechanisms 7, two folding connecting mechanisms N, and multiple transverse connecting rib mechanisms 6. Multiple single-rib mechanisms 1, multiple single-module folding mechanisms 5, multiple tensioning ropes 2 and multiple module connection mechanisms S;
[0025] Each single-module folding mechanism 5 includes a single-module folding mechanism center rod 9, a single-module folding mechanism slider 10, a single-module folding mechanism lower joint 11, a single-module folding mechanism upper joint 12, and a single-module folding mechanism. Elastic element 56 and four groups of folding and expanding docking mechanisms H; the upper end and lower end of the single-module folding and expanding mechanism central rod 9 are respectively fixed ...
specific Embodiment approach 2
[0042] Specific implementation mode two: combination Figure 5 As shown, the elastic element 4 of the single-rib mechanism in this embodiment is a compression spring. In this way, the compressed restoring force of the compressed spring is used as the main driving force for the deployment of the single-rib mechanism 1 . The structure is simple, easy to use, and meets the design requirements and actual needs. Others are the same as in the first embodiment.
specific Embodiment approach 3
[0043] Specific implementation mode three: combination Figure 8 As shown, the elastic element 36 of the longitudinal connecting rib mechanism in this embodiment is a compression spring. In such a configuration, the compressed restoring force of the compression spring is used as the main driving force for the deployment of the longitudinal connecting rib mechanism. The structure is simple, easy to use, and meets the design requirements and actual needs. Others are the same as in the first or second embodiment.
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