electric revolving shovel旋转式电铲
heavy electric-shovel大型电铲
electric railway shovel电动挖土机
electric heater shovel电热铲
Electric Digging Shovel电动挖掘铲
electric mobile power shovel柴油电力移动式电铲
Electric shovel tires电动轮轮胎
electric shovel stripping volume电铲剥离量
assembling of electric shovel电铲组装
The entire working hours of the Electric shovel includes mining, rotating, and unloading. In one of the three circles, rotating time occupy the 60% ~ 75% time of the whole work.
矿用挖掘机是露天矿开采的主要设备,其回转支承用于承载整个上部机体的自重及作业载荷,且在挖掘机的作业过程中启动制动频繁,回转运动时间占整个作业循环时间的60%~75%,因此其可靠性对挖掘机的产品质量具有重要影响。
参考来源 - 矿用挖掘机回转支承的动力学特性仿真研究