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Direct acting extensible and retractable arm mechanism, and robot arm provided with direct acting extensible and retractable arm mechanism
Direct acting extensible and retractable arm mechanism, and robot arm provided with direct acting extensible and retractable arm mechanism
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机译:直动伸缩臂机构,以及具有直动伸缩臂机构的机械臂
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摘要
A robot arm (50) of the present invention includes, as a direct acting extensible/retractable joint (J3), an arm section (2) constituted by an upper structure group (20) and a lower structure group (21). Groups (20) and (21), having an arrangement in which structures are connected in series, partially engage so as to form a direct rigid combined structure, and are separated so as to release the rigid structure. An arm length can be adjusted arbitrarily. Section (2) can have a plane surface having no gap to prevent entry of a finger/dust. Separation of Groups (20) and (21) allows an upper structure (22) and a lower structure (23) to rotate around their rotational axes, to realize compact storage inside a robot arm supporting member (1). It is thus possible to prevent significantly entry of a finger/dust, and provide a compact direct acting extensible and retractable arm mechanism.
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