1.把普通犁改为高架犁用2块长25厘米、宽15厘米、厚2厘米的铁板,重叠焊接成15厘米宽的阶梯形板并钻孔,把犁柱与主梁联接起来。然后把沟轮轴和地轮轴移到犁梁下方。固定卡也移到犁梁下方反过来安装。同时把尾轮弯轴接高15厘米。改装后的犁比普通犁增高了15厘米,提高了犁的通过性,有利于秸秆还田。 2.加装犁壁延长板 1. Converting an ordinary plow to an elevated plow Two iron plates 25 cm long, 15 cm wide and 2 cm thick were overlaid and welded to a 15 cm wide stepped plate and drilled to connect the column with the main beam. Then move the grooved shaft and the ground shaft below the plow. Fixed card also moved to the bottom of the plow installed in turn. At the same time the tail bend axis then 15 cm high. Modified plow than the average plow increased by 15 cm, raising the plow through, is conducive to straw. 2. Installation of plow wall extension board