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蟹爪式装载机机头铲板前刃的形状,对蟹爪的运动、铲板的插入力以及机器的生产率等都有较大的影响。笔者分析了铲板前刃的几种形状,认为一般可以采用平刃,最好使用三齿刃,而锯齿刃则弊多利少。为了比较合理的确定蟹爪式装载机行走部分的功率,除计算它的运行阻力外,还必须计算其插入阻力。文中对目前计算插入阻力的三种公式进行了分析和对比,对第一种公式作了必要的补充,认为第二种公式尚可备用,但不要采用第三种公式。
Crab claw loader head shovel front blade shape, the crab claw movement, shovel blade insertion force and machine productivity and so have a greater impact. The author analyzes the shape of the front blade blade shovel, that can generally be used flat blade, the best use of three-blade, and serrated edge is more harm than good. In order to determine the power of the walking part of crab claw loader reasonably, its insertion resistance must be calculated in addition to its running resistance. In this paper, the three formulas for calculating insertion resistance are analyzed and compared. The first formula is supplemented as necessary. The second formula is still available, but not the third formula.