Three-degree-of-freedom static load balance parallel motion simulation platform
2012
The invention discloses a three-degree-of-freedom static load balance parallel motion simulation platform. The three-degree-of-freedom static load balance parallel motion simulation platform mainly comprises a movable platform, a fixed platform and five branches for connecting the movable platform with the fixed platform, wherein the four branches distributed on the periphery are drive branches with the same structure, and another one is an intermediate bearing constraint branch; each of the four branches consists of a first universal hinge, an electric cylinder and a spherical hinge, wherein the first universal hinges are fixedly connected with the fixed platform and are in isosceles trapezoid distribution; the spherical hinges are fixedly connected with the movable platform and are in square distribution; the intermediate bearing constraint branch is positioned on the central connecting line between the movable platform and the fixed platform; one end of a second universal hinge of the intermediate bearing constraint branch is connected with the movable platform; the other end of the second universal hinge is connected with a cylinder pair with a spring; a supporting sleeve is arranged outside the cylinder pair; one end of a supporting frame is fixedly connected with the supporting sleeve; the four supporting legs of the supporting frame are fixedly connected with the fixed platform; and a baffle ring is arranged between the upper end of the supporting sleeve and the cylinder pair. The invention has the advantages that the three-degree-of-freedom static load balance parallel motion simulation platform is simple in structure, small in occupied size, high in carrying capacity, and easy to install and maintain.
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