In the straw crushing operation of corn harvest the energy consumption is great,and the row space of the corn harvester is hard to adapt the variable corn row space of the corn. To solve these problems,the existing double rows corn harvester was improved. The corn straw was cut into segments,instead of grinding the corn straw. The energy consumption of the cutting operation is much lower than the grinding operation. Under this condition,the total power of the corn harvester can be reduced to 11. 03 kW. By t...