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Home>>news>>Information about used excavators(Introduction)

Information about used excavators(Introduction)

Tags: used excavators for sale in uk used excavator sales second hand digger2013-09-28

Excavator consists of engine, hydraulic system, working device, a walking device and electric control parts.The used excavator's system comprises a hydraulic pump, control valve, hydraulic cylinder, hydraulic motor, pipeline, oil tank and so on.Electric control system includs control panel, engine control system, pump control system, various sensors, electromagnetic valve,etc.According to its structure ,used excavators can be divided into eleven kinds: crawler, tire, walking, hydraulic, hydraulic, half full rotation, non revolving, general-purpose, special type, articulated and telescopic arm.

The working device is the device that's to complete the mining tasks directly.It is made of moving arm, bucket, bucket rod.Reciprocating double action hydraulic cylinder controls the movable arm lifting, stretching and rotating bucket bucket rod.In order to meet the needs of different construction operation,the used hydraulic excavator working device can be assembled with various working installations, such as mining, lifting, loading, smooth, clamp, shovel, hammer and other equipments.

Turning and walking device are the body of used hydraulic excavator.The turntable is provided with a driving device and a transmission system.Engine is the power source of the used hydraulic excavator.If the location allows,engine can adopt diesel as well as  electromotor.

Through the hydraulic pump,used hydraulic drive system transfer the power of the engine to the hydraulic motor, hydraulic cylinder actuator,promoting the work device to complete all kinds of operations.

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