4DN 系列大豆挠性割刀动刀驱动采用行星齿轮箱传动,此机构结构复杂,成本高。通过用户的使用,普遍反映故障多,有时为换几个零件需耽误很长时间。为此,我们对刀头箱进行了改进。一、故障产生的原因原行星齿轮机构(见图1)中的滚针轴承4容易损坏,轴承损坏后影响内齿圈10和行星齿轮5的啮合间隙,造成齿轮损坏,偏心轴7及锥形齿轮3也容易损坏。 4DN series flexible soybeans knife driven knife drive planetary gear box, this body structure is complicated and costly. Through the use of users generally reflect the failure and sometimes for a few parts to be delayed for a long time. To this end, we have improved the head box. First, the cause of the failure of the original planetary gear mechanism (see Figure 1) needle roller bearing 4 is easy to damage, the bearing damage after the ring gear 10 and planetary gear meshing gap 5, resulting in gear damage, eccentric shaft 7 and tapered Gear 3 is also easily damaged.