The mechanical driving and lifting parts use the most advanced hydraulic system in the world, which can guarantee energy saving and improve security of use simultaneously.
机械传动部分及升降部分采用世界最先进的液压系统。保证节约能源的同时更提高了使用的安全性。
The paper designs an electronic energy-saving control system for hydraulic excavator from the current applying situation home and abroad.
本论文从国内外液压挖掘机电子节能应用现状出发，设计液压挖掘机电子节能控制系统。
The new hydraulic system has the following characteristics:(1)saving energy;
新液压系统具有下列特点：（1）节省能源；
Variable speed hydraulic drive system is a new type energy saving system.
变转速液压驱动系统是一种新型的节能传动系统。
Energy saving technique is mostly achieved by decreasing energy loss and recovering energy in the hydraulic transmission system.
液压传动系统中的节能技术主要是从减少系统能量损失和回收系统剩余能量两个方面来实现的。
The hydraulic system has high efficiency, saving in energy and pressure-maintaining and overload protection functions.
本发明的折弯机液压系统具有高效、节能的特点，还具有保压、过载保护的功能。
Hydraulic storage braking and auxiliary soft starting of down belt conveyor have been simulated in laboratory, at the same time, have testified that this energy saving hydraulic system is available.
在实验室进行了下运胶带输送机液压储能制动与辅助软启动的模拟试验研究，验证了所设计的基于节能思想的液压储能制动与辅助驱动系统是可行且有效的。
Aim To reduce the error of the valve controlled system with energy saving hydraulic pump, which is caused by variable gain characteristic.
目的减少由于节能液压源下的阀控系统变增益带来的跟踪误差。
Energy-saving and mutual anti-interfering are a pair of contradictions in the hydraulic system of a combination ma-chine tool.
在组合机床液压系统中，节能和抗干扰是一对矛盾。
All hydraulic load sensing steering that supplies oil on demand preferentially and valve working hydraulic system of single pump priority are economic and energy-saving.
优先按需供油的全液压负荷传感转向及单泵优先阀门工作液压系统，经济节能。
An improved cutter head drive hydraulic system of the shield tunneling machine was proposed, which achieved energy saving by optimizing the drive power.
设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。
The pump controlled variable displacement hydraulic system works together with the electronic proportional control system, high efficiency, energy saving and precise control.
泵控变量液压系统，与电比例操作系统紧密结合，节能高效，控制精确。
It adopts German technology of air-hydraulic boosting driving system, freely change between two stroke or three stroke for high efficiency and energy saving.
采用德国技术设计的气液增力主驱动系统，可进行二行程与三行程自由切换，节能高效。
It adopts German technology of air-hydraulic boosting driving system, freely change between two stroke or three stroke for high efficiency and energy saving.
采用德国技术设计的气液增力主驱动系统，可进行二行程与三行程自由切换，节能高效。
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