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省农科院农机所研制成功了9QS—20型玉米青饲收获机,已经鉴定。该机属甩刀式结构,配套动力为中型拖拉机(28～55马力),单行作业。切割喂入机构采用了立式同轴园柱园盘结构,切割刀盘为伞型锯齿纹式,抓取切割秸杆能力强,切割时无重切、漏切及撕皮等现象;采用了中央调整机构,可调整粉碎刀盘的轴向位置及动、定刀间隙,设计先进;设置了自动磨锐(刀刃)机构和过载保护装置;出料系统
Provincial Academy of Agricultural Machinery successfully developed 9QS-20 corn forage harvester, has been identified. The machine is a rejection structure, supporting the medium-sized tractor (28 ~ 55 horsepower), single job. Cutting feed mechanism uses a vertical coaxial disc garden structure, cutting blade for the umbrella zigzag pattern, grasping the straw cutting ability, no cutting heavy cutting, cutting and torn skin peeling and so on; adopted The central adjustment mechanism can adjust the axial position of the shredder cutter and the gap between the movable and fixed knives. The design is advanced. Automatic sharpening (blade) mechanism and overload protection device are set. The discharging system