Three-RDOF (rotational degree of freedom) parallel mechanism
A technology with degrees of freedom and three rotations, applied in the mechanical field, can solve the problems of high manufacturing cost, large moving mass, and difficult installation, and achieve the effects of easy assembly, small moving mass, and simple structure.
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[0013] The present invention will be described in further detail below with reference to specific embodiments.
[0014] like figure 1 As shown in the figure, a parallel mechanism with three rotational degrees of freedom of the present invention includes a fixed platform 1, a moving platform 2, and a first branch 3, a second branch 4 and a third branch 5 connecting the fixed platform 1 and the moving platform 2. .
[0015] like figure 2 As shown, the moving platform 2 includes an upper platform 2a, a middle platform 2b and a lower platform 2c, the upper platform 2a and the middle platform 2b are connected by a rotating pair, and the upper platform 2a and the lower platform 2c They are connected by a rotating pair, and the axes of rotation of the two rotating pairs are coincident and perpendicular to the plane where the upper platform 2a, the middle platform 2b and the lower platform 2c are located, and the upper platform 2a is provided with a plurality of T-shaped radials in...
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