Hydraulic transmission system. The hydraulic transmission system is one of the most important transmission systems in excavators. It converts mechanical energy into hydraulic energy through a hydraulic pump, controls the pressure and flow of hydraulic oil, and outputs power. Hydraulic oil enters the hydraulic pump through pipelines and forms a pressure flow under the action of the pump, which acts on the hydraulic motor and outputs propulsion or rotational force. The hydraulic transmission system can also control the pressure and flow of hydraulic oil, thereby controlling the speed and strength of excavator movement.
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