为了搞好改土治碱,加速农田基本建设,促进农业大上快上,地、县农机所和农机修造厂在1974年7月研制成功了KX—1300双圆盘旋转开沟机(图1)。经初步试验,达到了预期效果。该机为东方红—75拖拉机配套。主要由传动部分,分动减速箱、起落机构、机架、行走机构和圆盘铣刀等部分组成(图2)。 In order to do a good job in soil and alkali management, accelerate farmland construction and promote the rapid development of agriculture, prefectural and county farm machinery and farm machinery repair factories developed a KX-1300 double disc rotary trencher in July 1974 (Figure 1 ). After a preliminary test, to achieve the desired results. This machine is Dongfanghong -75 tractor supporting. Mainly by the transmission part, transfer gearbox, landing gear, chassis, walking agencies and disc cutter and other components (Figure 2).