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我国挖掘机械分9组,它们是:①单斗挖掘机,②多斗挖掘机,③多斗挖沟机,④挖掘装载机,⑤斗轮挖掘机,⑥滚切挖掘机,⑦铣切挖掘机,⑧掘进机,⑨特殊用途挖掘机。单斗挖掘机根据行走装置分为履带式、轮胎式、汽车式、步履式挖掘机;根据工作装置驱动源和传动可分为机械式、电动式和液压式,这样形成了9个品种:履带式机械单斗挖掘机、履带式电动单斗挖掘机、履带式液压单斗挖掘机、轮胎式机械单斗挖掘机、轮胎式液压单斗挖掘机、轮胎式电动单斗挖掘机、汽车式单斗挖掘机、步履式机械单斗挖掘机、步履式液压单斗挖掘机。
China's mining machinery is divided into 9 groups, they are: ① single bucket excavator, ② multi bucket bucket excavator, ③ multi bucket trencher, ④ backhoe loader, ⑤ bucket wheel excavator, ⑥ hobbing excavator, ⑦ milling cut Machine, ⑧ boring machine, ⑨ special purpose excavator. The single-bucket excavator is divided into crawler, tire, car and walking excavators according to the traveling device; it can be divided into mechanical type, electric type and hydraulic type according to the driving source and transmission of the working device, thus forming nine varieties: Crawler Electric Single Bucket Excavator, Crawler Hydraulic Single Bucket Excavator, Tire Mechanical Single Bucket Excavator, Tire Hydraulic Single Bucket Excavator, Tire Electric Single Bucket Excavator, Car Single Bucket Excavator, Walking Machine Single Bucket Excavator, Walking Hydraulic Single Bucket Excavator.