Parallel manipulator with three-dimensional translation and two-dimensional rotation degree of freedom
A three-dimensional translation and degree of freedom technology, applied in the field of robotics, can solve problems such as difficult to achieve high-speed movement, increase the mass and inertia of moving parts of the mechanism, and affect the dynamic performance of the mechanism, so as to avoid uneven force, rigidity and stability Good, even force effect
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[0015] The present invention will be further described in detail below in combination with specific embodiments.
[0016] Such as figure 1 As shown, a parallel manipulator with three-dimensional translation and two-dimensional rotational degrees of freedom in the present invention includes a fixed frame 2, a moving platform 7, and five structures arranged between the fixed frame 2 and the moving platform 7 and arranged symmetrically in the center. The same branch chain; five driving devices 1 are fixedly connected to the fixed frame 2 respectively.
[0017] Each branch chain comprises a near frame rod 3 and two parallel and equal long far frame rods, one end of the near frame rod 3 is fixedly connected with the output shaft of one of the driving devices 1, and the other end of the near frame rod 3 is fixed. Connected with the upper connecting shaft 4; one end of the two parallel far frame rods is respectively ball-hinged with the upper connecting shaft 4, and the other end of...
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