Elliptical six-degree-of-freedom parallel connection mechanism
A degree-of-freedom, elliptical technology used in manipulators, program-controlled manipulators, metal processing machine parts, etc.
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Embodiment approach 1
[0027] Please refer to the table above and figure 2 As shown, when c=d, the vertices of the static platform 1 are distributed on a circle, a≠b means that the vertices of the moving platform 2 are arranged on the circumference of an ellipse, and the driving rod includes the connected driving rod upper limb 4 and the driving rod lower limbs5. In this case, in the initial state, the minor axis of the ellipse where the upper hinge 3 connecting the moving platform 2 and the driving rod upper limb 4 is parallel to the symmetry axis of the lower hinge 6 connecting the static platform 1 and the driving rod lower limb 5 .
Embodiment approach 2
[0029] Please refer to the table above and image 3 As shown, when c=d, the vertices of the static platform 1 are distributed on a circle, a≠b means that the vertices of the moving platform 2 are arranged on the circumference of an ellipse, and the driving rod includes the connected driving rod upper limb 4 and the driving rod lower limbs5. In this case, in the initial state, the minor axis of the ellipse where the upper hinge 3 connecting the moving platform 2 and the upper limb 4 of the driving rod is perpendicular to the axis of symmetry of the lower hinge 6 connecting the static platform 1 and the lower limb 5 of the driving rod.
Embodiment approach 3
[0031] Please refer to the table above and Figure 4 As shown, when c≠d, the vertices of the static platform 1 are distributed on an ellipse, a≠b means that the vertices of the moving platform 2 are arranged on the circumference of the ellipse, and the driving rod includes the connected driving rod upper limb 4 and the driving rod lower limbs5. In this case, in the initial state, the major axis of the ellipse where the hinge 3 connecting the moving platform 2 and the upper limb 4 of the driving rod is perpendicular to the major axis of the ellipse where the hinge 6 connecting the static platform 1 and the lower limb 5 of the driving rod is perpendicular.
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