Excavator is one of the most important construction machinery in engineering construction. The materials excavated are mainly soil, coal, sediment and pre-loosened soil and rock,which is widely used in small mining, municipal construction, road construction, irrigation and water conservancy construction and other places.
Excavator structure includes power plant, working device, rotary mechanism, control mechanism, transmission mechanism, walking mechanism and auxiliary facilities.
The main working principle of the excavator is by the driving mechanism transfers the engine power to the hydraulic motor, the hydraulic cylinder and other executive components through the hydraulic pump, thus the operation of the working device is promoted and all kinds of operations are completed.
