Launching pad on-line loading tool with rotation function

The invention relates to a launching pad online loading tool with a rotation function, which comprises a supporting piece, a plurality of lower connecting rods, a lower connecting disc, a turntable bearing, an upper connecting disc, an upper connecting rod, an oil cylinder and a loading piece, the lower connecting rods are distributed in a central symmetry manner, and the lower ends of the plurality of lower connecting rods are respectively hinged with the supporting piece through pin shafts; the upper ends of the multiple lower connecting rods are hinged to the lower connecting disc through pin shafts correspondingly, the outer ring of the turntable bearing is fixedly connected with the lower connecting disc, the inner ring of the turntable bearing is fixedly connected with the upper connecting disc, the multiple upper connecting rods are distributed in a central symmetry mode, and the lower ends of the multiple upper connecting rods are hinged to the upper connecting disc through pin ...