Synchronous unfolding-folding space extend arm of triangular prism based on centripetal mechanisms
A triangular prism and extension arm technology, applied in the field of aerospace science, can solve problems such as many degrees of freedom, low reliability, and poor repeatability, and achieve the effects of convenient mechanism combination, good reliability, and high repeatability
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[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0026] The present invention proposes a triangular prism synchronous expansion and folding space extension arm based on a centripetal mechanism, and a new type of triangular prism synchronous expansion designed based on the movement characteristics of a special polyhedron mechanism (such as Wohlhart's polyhedral star expansion mechanism, Hoberman sphere mechanism) Folding space to extend the arm. The degree of freedom of the extension arm is 1, and only one drive is needed to realize the synchronous expansion and folding functions of the extension arm.
[0027] The extension arm structure proposed by the present invention is composed of several (more than or equal to 2) triangular prism centripetal mechanisms connected in series. Such as figure 1 As shown, each triangular prism centripetal mechanism is composed of 3 central connecting members, 6 corner connecting...
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