TWO-DEGREE-OF-FREEDOM PARALLEL ROBOT WITH SPATIAL KINEMATIC CHAIN
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United States of America Patent
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Issued Date -
Apr 1, 2021
app pub date -
Aug 20, 2019
filing date -
Dec 21, 2018
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Abstract
A two-degree-of-freedom parallel robot with a spatial kinematic chain includes a fixed platform, a movable platform, two driving devices, and two branch chains. Each driving device includes an active arm and a driving unit, and the two active arms are in the same reference plane. An end bracket is hinged on the active arm. Each branch chain includes two shaft rods and two chain rods. One of the two shaft rods is arranged on the active arm or the end bracket, and the other one thereof is arranged on the movable platform. The two chain rods and the two shaft rods form a parallelogram.
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