Configuration Synthesis and Networking Design of Triangular Pyramid Deployable/Foldable Mechanism

doi:10.3901/JME.2020.05.029

Abstract

Abstract: The research on deployable/foldable unit mechanism configuration synthesis is great significant for deployable antenna mechanism innovation design. Based on the expected public motion requirement and the expected synchronous motion requirement of the triangular pyramid deployable/foldable unit mechanism, and based on the constraint-synthesis method of the Screw Theory, a series of kinematic chains and several basic deployable/foldable are proposed. Combined with practical application, a kind of triangular pyramid unit is obtained. According to the networking mode and networking motion requirement, configuration design and optimization of networking mechanism are accomplished with 3RR-3RRR mechanism, and a kind of triangular pyramid unit-networking deployable/foldable mechanism is achieved. With the study, a configuration synthesis approach of deployable/folder mechanism with multi-motion output members is formed. The proposed synchronized deployable/foldable networking mechanisms are applicable for satellite-borne truss reflectors, which is widely prospect in engineering applications.

Key words: screw theory, deployable/foldable mechanism, configuration synthesis

CLC Number:

V243
TH112

ZHU Jialong, HUANG Zhirong, ZHENG Shikun, XU Yundou, DUAN Yuzhu, MA Xiaofei. Configuration Synthesis and Networking Design of Triangular Pyramid Deployable/Foldable Mechanism[J]. Journal of Mechanical Engineering, 2020, 56(5): 29-38.

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