论文部分内容阅读
1.种床不平或达不到应播深度,造成种子落在种床的深度、覆土深度和出苗时间不一致 (1)原因主要是播种机单体前端的联结槽钢与拖拉机连接时的角度不对。因此,当联结槽钢上端向前倾斜时,开沟器入土角变大。此时,开沟器只是前尖入土。开出的沟是中间深,两侧浅。当联结槽钢上端向后倾斜时,入土角变小,开沟器很难入土,因此达不到要求的播种深度。 (2)解决办法调整播种机单体的入土角,其方法是,先将播种机单体的联结槽钢和拖拉机U形卡的固定螺栓松开,然后增减联结槽
1 seedbed uneven or reach the depth of the broadcast, resulting in seeds falling depth of seedbed, soil depth and emergence time is inconsistent (1) The main reason is the front end of the seeder single connecting the angle between the tractor and the wrong . Therefore, when the upper end of the connecting channel is inclined forward, the opener angle becomes larger. At this point, opener is just the tip of the earth. Out of the ditch is deep in the middle, shallow on both sides. When the upper end of the connecting channel is inclined backward, the soil entry angle becomes smaller and the opener is difficult to soil, therefore, the required sowing depth can not be achieved. (2) Solution Adjust the seeder angle of seeder monomer by first loosening the fixing bolts of the connecting channel of the seeder and the U-shaped tractor of the tractor, and then increase or decrease the connecting groove