论文部分内容阅读
一台东方红-802型拖拉机,耕地作业不到2年,先后损坏了3个齿轮油泵、1个液压缸、1根悬挂下轴,并爆裂了若干根液压硬软管,四铧犁严重变形。时间不长,为何损坏这么多零部件?原因之一是机手降犁操作不当。经了解其操作过程如下:停车将分配器操纵手柄由“中立”扳至“浮动”位置使犁降下;待犁下降至触地前再把手柄扳回“中立”位置,停止犁的下降;边起步边扳动手柄慢慢向“压降”位置移送,使犁缓慢触地入土达到耕深;再把手柄扳回“中立”位置保持耕深。
A Dongfanghong -802 tractor, less than 2 years of arable land operations, has damaged three gear pumps, a hydraulic cylinder, a suspension of the shaft, and burst a number of hydraulic hard hose, four plow serious deformation . Not long, why do so many parts damaged? One of the reasons is the improper operation of hand plow. Understand the operation of the process are as follows: Parking Dispenser manipulator handle from the “neutral” to “floating” position to plow down; until the plow down to the ground before the handle back to the “neutral” position, Stop plow down; edge start edge of the handle and slowly move to the “pressure drop” position, so that the plow slowly touch into the soil to achieve plowing depth; and then pull the handle back “neutral ” position to maintain farming depth.