From the appearance, the excavator consists of three parts: a working device, an upper turntable, and a walking mechanism. Simple classification of excavators

1、按驱动方式有内燃机驱动挖掘机和电力驱动挖掘机两种。其中电动挖掘机主要应用在高原缺氧与地下矿井和其它一些易燃易爆的场所。

1. There are two types of driving methods: internal combustion engine driven excavators and electric powered excavators. Electric excavators are mainly used in high-altitude hypoxia, underground mines, and other flammable and explosive places.

2、按照行走方式的不同，挖掘机可分为履带式挖掘机和轮式挖掘机。

2. According to different walking modes, excavators can be divided into tracked excavators and wheeled excavators.

3、按照传动方式的不同，挖掘机可分为液压挖掘机和机械挖掘机。机械挖掘机主要用在一些大型矿山上。

3. According to different transmission methods, excavators can be divided into hydraulic excavators and mechanical excavators. Mechanical excavators are mainly used in some large mines.

4、按照用途来分，挖掘机又可以分为通用挖掘机，矿用挖掘机，船用挖掘机，特种挖掘机等不同的类别。

4. According to the purpose, excavators can be divided into different categories such as general purpose excavators, mining excavators, marine excavators, and special excavators.

5、按照铲斗来分，挖掘机又可以分为正铲挖掘机、反铲挖掘机拉铲挖掘机和抓铲挖掘机。正铲挖掘机多用于挖掘地表以上的物料，反铲挖掘机多用于挖掘地表以下的物料。

5. According to the bucket, excavators can also be divided into front shovel excavators, backhoe excavators, drag shovel excavators, and grab shovel excavators. Shovel excavators are mostly used to excavate materials above the surface, while backhoe excavators are mostly used to excavate materials below the surface.

挖掘机开工前的准备

Preparation before starting the excavator

1、检查机油

1. Check oil

2、检查冷却液

2. Check the coolant

3、加注黄油

3. Add butter

4、检查机体内是否渗油

4. Check for oil leakage inside the body

5、检查大小臂是否有裂痕

5. Check for cracks on the large and small arms

6、油水分离器放水

6. Oil water separator discharge

7、调整状态 当然了，挖掘机开工之前的准备不仅仅只有这些，其他的还有液压油检查、回转齿轮油检查、行走装置的检查、了解并熟悉工地的工况和施工的步骤等等。

7. Of course, adjusting the status is not the only preparation before starting the excavator. Other preparations include hydraulic oil inspection, rotary gear oil inspection, walking device inspection, understanding and familiarizing oneself with the working conditions and construction steps of the construction site, and so on.

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