In order to solve the problem of the ear cornd delivery with standing posture in small corn combine harvester,a self-developed header testing device was designed. The effects of the relative position of cutter point and lower chain teeth head,the line velocity of lower chain,the space of dial teeth,the angle between wheel chain and cutter bar,and the state of upper reel belt on transportation quality were analyzed. The test was carried out to analyse the adaptive capability of the cone-shaped divider separa...