Oat is reaped and flattens all -in -one

The utility model provides an oat is reaped and flattens all -in -one, includes the cutting knife support frame, and the cutting knife is installed to cutting knife support frame front end's bottom, and the front end of cutting knife support frame is connected with the reel through reel hydraulic pressure lift fixing device and the reel is arranged directly over the cutting knife, cutting knife support frame rear end is connected with flattens mechanism and variable displacement motor, and constant displacement motor and transmission link to each other, the variable displacement motor with flatten the mechanism and link to each other, the cooperation is provided with the propulsion link joint on the cutting knife, impels the link joint to pass through the belt and is connected with screw feeder belt pulley mechanism, flatten and install eduction gear in the mechanism, when the complete machine started to move ahead, the tractor provided power and leads to the mounted frame and makes whole making way or the re