挖掘机液压系统功率控制方式及性能分析

Analysis of Hydraulic Power Control Modes of Excavator

本文回顾了挖掘机液压系统功率控制方式的沿革,分析了节流调速、负流量控制和正流量控制等主要功率控制系统的结构和性能上的优缺点并作出总结,展望了挖掘机液压系统功率控制方式的发展方向。

This article reviews the evolution of excavator hydraulic system power control mode, analyzes the structure and the performance advantage and disadvantage of main power control system such as throttle control system, negative control system and positive control system, and forecasts the development direction of excavator hydraulic system power control mode.