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黑龙江佳木斯联合收割机总厂为E512型联合收割机改装的茎秆切碎器,目前在国营农场得到了推广,使用效果良好,经济效益显著。这种装在机尾的改装切碎器,将逐稿器抛出的麦秸、豆秸或玉米秸切碎抛出,有利农田的耕耙作业,同时茎秆还田,可提高土壤肥力。茎秆切碎器由切碎器总成、茎秆抛撒器、传动装置、支承连接部分和电气报警系统组成。切碎器总成由切碎器体、切碎滚、48片动刀片和一组定刀片组成(图1)。切碎滚转速2500～3000
Jiamusi Heilongjiang Harvester Plant for the E512 combine harvester modified stem chopper, at the state-owned farms have been promoted, the use of good results, significant economic benefits. The tail-mounted modified chopper will be shredded by wheat straw, bean stalks or corn stalks thrown out by the straw throwing device, which will be beneficial to the farmland raking and straw work, and will also increase the soil fertility. The stalk chopper consists of a chopper assembly, a stalk spreader, a transmission, a support connecting part, and an electrical alarm system. The chopper assembly consists of chopper body, chopping roll, 48 moving blades and a set of fixed blades (Figure 1). Chopped roll speed 2500 ~ 3000