Mechanical arm for picking lotus seedpods

The invention relates to a mechanical arm for picking lotus seedpods. The mechanical arm comprises a holding rod, a hook-shaped fixed knife, a movable knife, a movable handle, a fixed handle and a netbag, wherein the holding rod is of a hollow structure, a fixed column is mounted at the inner diameter at the front end of the holding rod, a threaded hole is formed in the fixed column along the radial direction, a through hole is formed in the front end of the holding rod along the radial direction, the threaded hole and the through hole are formed in a contrast manner, and the fixed column isfixed on the holding rod through a screw column. The mechanical arm is simple in structure and reasonable in design, the picking range can be expanded by virtue of the holding rod, and flexible lotusstems can be shorn off once and put into the net bag by virtue of a connecting rod group and scissors, so that the mechanical arm is suitable for mass production, the manpower can be greatly saved, the cost can be lowered, the