垦区使用的秸秆还田装置大都是安装在联合收割机尾部的一种切碎抛撒总成部件 ,该部件由于是固定在联合收割机尾部两侧壁上 ,受侧壁强度的影响 ,达不到理想的切碎抛撒转速和抛撒幅宽 ,造成深松犁作业时堵犁。黑龙江省白桦耕作机厂研制的 4Q 2型秸秆还田机 ,解决了这一问题 ,是玉 Most of the straw returning devices used in the reclamation area are a kind of shredding and scattering assembly components installed on the tail of the combine harvester. Since the components are fixed on the two side walls of the tail of the combine harvester, they can not reach the strength of the side walls The ideal shredding throw speed and throwing width, resulting in deep plow operations block plow. White birch farming machine factory in Heilongjiang Province developed 4Q 2 straw machine, to solve this problem is jade