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北方铧式犁系列设计为满足生产的需要,组织了菱形犁课题组对菱形犁进行了试验研究。1974年2月份开始工作,经过春、夏耕(保定、新疆地区)的试验,取得了一定的进展。菱形犁的工作部件具有特殊形状的犁壁颈刃(图1),切出的土垡断面近似于“菱形”(图2),故称菱形犁。菱形犁的出现并不是偶然的。随着拖拉机功率的不断增大,为了提高机组的效率,其中一个途径就是采用宽幅耕作机具。但是在犁体的铧间距一定时,幅宽愈大,机具就愈长,由此出现了一些问题。如:由于悬挂犁的机体长、重量大,使
North Plow series designed to meet production needs, organized a diamond plow research group conducted a pilot study of diamond plow. It started to work in February 1974 and made some progress after the tests of spring and summer farming (Baoding, Xinjiang). Diamond plow working parts have a special shape of the plow wall neck edge (Figure 1), cut out of the soil 垡 section similar to “diamond ” (Figure 2), so called diamond plow. The appearance of diamond plow is not accidental. As tractor power continues to increase, one of the ways to improve the efficiency of a unit is to use wide-format farming implements. However, in the plow body Hua spacing, the greater the width, the longer the machinery, which appeared some problems. Such as: hanging plow body length, weight, so