工农—400型脱粒机已在农村得到推广使用,受到贫下中农的欢迎。现将该机结构、脱粒过程和主要部件介绍如下: 构造(见图1)及脱粒过程脱粒时先将待脱作物堆放在脱粒机左侧附近,然后将其整齐地搬上作物铺放台。由喂入手将穗头朝向滚筒的作物整齐均匀地放到喂入链下。作物被带向滚筒腔内,在高速旋转之滚筒弓齿的连续梳刷和打击下进行脱粒。脱粒后的茎秆从机体右侧排出,进入滚筒的短茎秆被推到滚筒后面,在副滚筒脱粒齿的打击下 The worker-peasant-400 thresher has been widely used in rural areas and welcomed by the poor and poor peasants. Now the aircraft structure, threshing process and the main components are as follows: Construction (see Figure 1) and threshing process threshing when the first to be off-plant threshed in the threshing machine near the left, and then put it neatly on the crop laying platform. Feed the crop with its head toward the drum neatly and evenly under the feed chain by feeding hands. The crop is brought into the drum chamber, where it is threshed under the continuous brushing and striking of the drum bow teeth rotating at high speed. After threshing stalks expelled from the right side of the body, the short stalk into the drum is pushed to the back of the drum, under the impact of the deputy drum threshing teeth