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Crawler excavator structural composition The common excavator structure includes power unit, working device, slewing mechanism, steering mechanism, transmission mechanism, walking mechanism and auxiliary facilities. The transmission mechanism transmits the power of the engine to hydraulic motors, hydraulic cylinders and other actuators through the hydraulic pump, and drives the working device to move, thereby completing various operations. crawler excavator Traveling device The traveling device is the chassis, including the track frame and the walking system, which is mainly composed of the track frame, travel motor + reducer and its pipeline, driving wheel, guide wheel, supporting sprocket, roller, track, and tension buffer device , its function is to support the weight of the excavator, and convert the power transmitted by the driving wheel into traction force, so as to realize the walking of the whole machine
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