PR-2PP double-platform equipment for intelligent assembly

The invention discloses PR-2PP double-platform equipment for intelligent assembly, which comprises an upper platform and a lower platform, the upper platform comprises a ball spline shaft, the ball spline shaft is meshed with a lead screw nut and a spline nut which are arranged on the ball spline shaft, the lead screw nut is connected to a first driving mechanism through a first belt, and the spline nut is connected to a second driving mechanism through a second belt; the spline nut is connected to a second driving mechanism through a second belt, and a tail end connecting piece is further installed at the tail end of the ball spline shaft. The lower platform comprises a plurality of branch chains arranged in parallel, and each branch chain is a P-P series mechanism; the P-P series mechanism comprises an active moving pair and a passive moving pair installed on the active moving pair. A bearing platform is further mounted on the passive moving pair; wherein the upper platform is mounted on the lower platform.