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Parallel Kinematics Robot With Rotational Degrees Of Freedom
Parallel Kinematics Robot With Rotational Degrees Of Freedom
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机译:具有旋转自由度的并联运动学机器人
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摘要
A parallel kinematics robot includes a base and an end effector movable in relation to the base. A first actuator is attached to the base and connected to the end effector via a first kinematic chain including a first drive arm, a first rod, a first joint between the first drive arm and the first rod, and a second joint between the first rod and the end effector. A second actuator is attached to the base and connected to the end effector via a second kinematic chain including a second drive arm, a second rod, a third joint between the second drive arm and the second rod, and a fourth joint between the second rod and the end effector. A third actuator is attached to the base or to the first drive arm, and connected to the end effector via a third kinematic chain including a first gear wheel and a second gear wheel, the first and second gear wheels being journalled in bearings to the end effector and intermeshing with each other. One element of the third kinematic chain constitutes a kinematic pair with at least one element of the first kinematic chain. A kinematic chain responsible for a translational movement of the end effector is utilized as a support structure for a kinematic chain responsible for a rotational movement of the end effector.
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