Winnower

The utility model provides a winnower, belongs to wind power generation technical field, including blade, winnower frame, main shaft, slide rail, slider, screw rod, shaft coupling, support frame, first motor, controller, chassis, bearing, nut, recess, second motor and battery, winnower shelf location main shaft, five blades of installation on the main shaft, two sliders of winnower frame each side installation, two sliders are installed on the slide rail, the slide rail is installed on the chassis, the inside recess that is equipped with of winnower frame lower extreme, go up top surface installation second motor in the recess, two bearings of installation on the recess inside wall, mounting nut in two bearings, the output shaft of second motor links to each other with the nut, installation screw rod in the nut, the internal thread of nut and the external screw thread interfitting of screw rod, the screw rod passes through the shaft coupling and links to each other with first motor, the utility model has the advantages that: make the high of winnower frame reduce, make this winnower focus firm, make this winnower can do not not blown down by the wind and waves.