Do you know the basic structure of the excavator?

The structure of the excavator

(1) Engine The engine is generally a four-stroke, water-cooled (or air-cooled), multi-cylinder, direct-injection diesel engine. A few excavators use electronically controlled diesel engines.


(2) Transmission system There are three types of transmission pumps: mechanical transmission type, semi-hydraulic transmission type and full hydraulic transmission type, among which mechanical transmission type and semi-hydraulic transmission type are widely used.


(3) Driving system The driving system of the hydraulic excavator is the supporting part of the whole machine, which bears the entire mass of the machine and the reaction force of the working device, and at the same time enables the excavator to travel for a short distance. According to different structures, the driving system can be divided into two types: crawler type and tire type.

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