| DH225LC-7型液压挖掘机主泵系统分析 |
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| 引用本文： | 邓水英.DH225LC-7型液压挖掘机主泵系统分析[J].筑路机械与施工机械化,2009,26(3):69-71. |
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| 作者姓名： | 邓水英 |
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| 作者单位： | 湖南交通职业技术学院,机电工程系,湖南,长沙,410004 |
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| 摘 要： | 对液压挖掘机的主泵系统进行了分析和研究，从总功率控制、功率设定、高压切断控制和中位负流量控制4个方面分析了主泵排量控制原理，并总结了DH225LC-7型液压挖掘机主泵控制系统的特点，以期为使用和维修提供指导。
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| 关 键 词： | 总功率控制 功率设定 高压切断控制 中位负流量控制 |
Analysis on Main Pump System of DH225LC-7 Hydraulic Excavators |
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| DENG Shui-ying.Analysis on Main Pump System of DH225LC-7 Hydraulic Excavators[J].Road Machinery & Construction Mechanization,2009,26(3):69-71. |
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| Authors: | DENG Shui-ying |
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| Institution: | DENG Shui-ying(Department of Mechatronic Engineering, Hunan Communication Polytechnic College, Changsha 410004, Hunan, China) |
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| Abstract: | The main pump system of hydraulic excavator is analyzed and studied. The principle of delivery capacity control of main pump is analyzed in aspects of gross power control, power setting, high pressure cutting control and neutral minus flow. The characteristics of main pump control system of DH225LC-7 are summarized so as to provide guidance to use and maintenance. |
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| Keywords: | gross power power setting high pressure cutting control neutral minus flow control |
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