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What is an excavator?

Release Time: 2021-04-27


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What is an excavator?

Excavator is an earth-moving machine that uses a bucket to excavate materials above or below the bearing surface and load it into a transport vehicle or unload it to a stockyard.

The materials excavated by the excavator are mainly soil, coal, silt, and pre-loose soil and rocks. From the perspective of the development of construction machinery in recent years, the development of excavators is relatively fast, and excavators have become one of the most important construction machinery in engineering construction. The three most important parameters of an excavator: 

operating weight (mass), engine power and bucket capacity.

Doosan Excavator

Excavator working device

The working device is the main part of the hydraulic excavator. At present, the SY series excavator is equipped with a backhoe working device. It is mainly used to excavate the soil below the stop surface, but it can also excavate the soil below the maximum cutting height, except for digging. , Ditching and loading can also carry out simple site leveling work. Excavation work is suitable for Excavating the soil of grade Ⅰ to grade Ⅳ. Hydraulic hammers or blasting methods are required for grade Ⅴ and above.

 Used Doosan Excavator

The backhoe working device is composed of main parts such as boom, stick, bucket, rocker, connecting rod, and working device hydraulic pipeline including boom cylinder, stick cylinder and bucket cylinder.

China Machinery Trading Co., Ltd.-Excavator supplier, Doosan used excavators for sale. The products are of good quality and reasonable price.