Definition of Excavator

Excavator is a kind of heavy engineering machinery, which is widely used in many fields such as construction, mining, agriculture, transportation and so on. Its main function is to complete the construction tasks of earthworks and stone works by digging, loading and carrying. Excavators have a strong digging ability, can operate in a variety of harsh environments, is an important equipment indispensable to modern construction.

The composition of the excavator mainly includes the engine, working device, rotary device, traveling device and control system and other parts. Among them, the engine is the power source of the excavator, providing power for the whole machine; the working device includes the bucket, moving arm and bucket rod and other components, used to complete the excavation, loading and other operations; the slewing device makes the excavator easy to steer, adapting to the needs of different operations; the traveling device makes the excavator able to move around in the construction site, convenient for adjusting the operating position; the control system is responsible for the operation and control of the whole machine.

There are various types and specifications of excavators according to different operating environments and needs. According to the use classification, there are mainly earth excavators, stone excavators, etc.; according to the size, there are small excavators, medium-sized excavators and large excavators. In addition, modern excavators are also characterized by intelligence and automation, which can realize precise control and efficient operation.

Excavators play an important role in modern construction. Its powerful digging ability can efficiently complete a large number of earth and stone works and improve construction efficiency. At the same time, excavators are also able to operate in harsh environments, such as mountainous and swampy areas, providing strong support for infrastructure construction. In addition, excavators are also widely used in mining, agriculture, transportation and other fields, making important contributions to the country's economic development.

In conclusion, excavator is an important heavy construction machinery with wide application fields and important roles. With the continuous progress and updating of technology, modern excavators will continue to play a greater role and make greater contributions to the construction and development of the country. At the same time, with the popularization of the concept of environmental protection and the development of intelligent technology, the future excavator will also move towards a more environmentally friendly, intelligent and efficient direction.