Folding type five-degree-of-freedom parallel connected attitude adjustment platform
2013
The invention discloses a folding type five-degree-of-freedom parallel connected attitude adjustment platform. The folding type five-degree-of-freedom parallel connected attitude adjustment platform comprises an upper platform, a lower platform and six branches; the six branches are used for connecting the upper platform and the lower platform; the five branches which are arranged on the periphery are driving branches with identical structures; and the rest one is a middle constraint branch. First universal hinges of the five driving hinges are connected with the lower platform; one ends of lower connecting rods are connected with the first universal hinges; the other ends of the lower connecting rods are connected with one ends of upper connecting rods through revolute pairs; the other ends of the upper connecting rods are connected with the upper platform through spherical hinges; the tail portions of electric cylinders are connected with the lower connecting rods; extensible rods of the electric cylinders are connected with the upper connecting rods; a middle connecting rod of the middle constraint branch is an extensible rod; one end of the middle connecting rod is connected with lower platform through one of the second universal hinges; the other end of the middle connecting rod is connected with the upper platform through one of the spherical hinges. The folding type five-degree-of-freedom parallel connected attitude adjustment platform has the advantages of being simple in structure, small in occupying area, low in self-weight, large in attitude adjustment space, convenient to install and maintain, being capable of achieving spatial three dimensional rotational freedom and two dimensional rotational freedom.
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