The utility model discloses a multifunctional aquatic brasenia schreberi harvesting catamaran, and mainly relates to the technical field of aquatic brasenia schreberi harvesting. Comprising a supporting frame, floating barrels are arranged at the left end and the right end of the supporting frame, a rectangular coordinate
robot is arranged on the supporting frame, the positions of a suction type end
effector in the X-axis direction, the Y-axis direction and the Z-axis direction are adjusted through the rectangular coordinate
robot, and the suction type end
effector is located on the inner side of the supporting frame. A suction
pipe is arranged at the bottom of the suction type end
effector, a shearing bin is arranged at the top of the suction
pipe, a vertical
pipe is arranged at the top of the shearing bin, a
cutting mechanism is arranged in the shearing bin, a sensor is arranged in the shearing bin or the vertical pipe, and the top end of the vertical pipe is connected with a negative pressure suction device through a conveying pipeline. A driving device is arranged at the rear end of the supporting frame; according to the water shield picking
machine, a negative pressure suction shearing type nondestructive picking mode is adopted, the water shield picking efficiency can be improved, and the labor intensity of vegetable farmers is reduced.