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在分析铲式成穴器的结构特点和工作过程的基础上，建立了打穴铲运动轨迹的数学模型并分析了打穴铲的运动规律和成穴机理。进而分析了成穴器结构参数对打穴铲在土壤上所形成穴孔长度和穴孔宽度的影响。试验结果表明，穴孔长度随着水平倾角和垂直倾角的增加而增加，穴孔宽度随着水平倾角的增加而变宽
Based on the analysis of the structural characteristics and working process of the shovel-type hole-forming device, a mathematical model of the path of the shovel-hole shovel is established and the movement rules and cavitation mechanism of the shovel-hole shovel are analyzed. Then the effect of cavitation structure parameters on the hole length and hole width formed by the hole shovel in the soil was analyzed. The experimental results show that the hole length increases with the increase of horizontal inclination and vertical inclination, and the hole width broadens with the increase of horizontal inclination