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在毛主席革命路线指引下,在各级党组织和有关部门的支持下,根据贫下中农的要求,我所广大革命职工根据斗式挖泥船的挖泥原理研制了与工农—11型手扶拖拉机配套的链齿式开沟机,经过几年来的反复试验、改进,一九七五年开始在大面积上使用。开沟机是利用焊接在链条上的横向刀片回转削土,自行溅出成沟(图1)。贫下中农反映它有以下优点:一、工效高。在正常工作情况下,每小时可开50厘米深的沟
Under the guidance of Chairman Mao’s revolutionary line and with the support of party organizations and relevant departments at all levels and under the request of the poor and middle peasants, the vast majority of our revolutionary workers have developed a system of hands-on workers-peasants and peasants -11 based on the dredging principle of the bucket dredger After years of trial and error, the tractor-equipped sprocket-type trencher has been improved and started to be used on a large area in 1975. Trencher is the use of welding on the chain of the lateral blade rotary cutting soil, splashed into a trench (Figure 1). Poor middle peasants reflect it has the following advantages: First, high efficiency. Under normal working conditions, the groove can be opened 50 cm deep every hour