Finally, decreasing the revolution angle and increasing the bucket fill factor are effective ways to improve the operation efficiency of dragline.

• 减小拉斗铲作业回转角和加大拉斗铲斗容的满斗系数是提高拉斗铲作业效率的有效途径，为国内外拉斗铲的研究提供了具体的分析方法和理论依据。