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Simulated research on large-excavator boom based on hydraulic energy recovery
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science ( IF 2 ) Pub Date : 2021-01-26 , DOI: 10.1177/0954406220977556
Heng-yuan Xing 1, 2 , Ji-yun Zhao 1 , Xiang Yin 1 , Hai-gang Ding 1 , Xian-zhuang Meng 2 , Li Jian-song 1 , Wang Guo-ying 1
Affiliation  

According to the working condition characteristics of a company's existing XE series 70-ton-large-scale crawler hydraulic excavator, a new hydraulic type is designed for the purpose of energy saving, which contains an accumulator as a reversible energy storage component and a variable pump/motor as an energy conversion element. This scheme belongs to the excavator boom potential energy regeneration method. When the boom is lowered, the accumulator and the pump/motor function, part of the hydraulic cylinder rodless cavity fluid entering the rod cavity and the other part filling the accumulator with fluid and driving the pump/motor to assist the engine's work. After the boom is lowered, the accumulator continues to supply liquid to the pump/motor which carries on assisting the engine to do work. Then the main hydraulic components of the system are modeled, together with building the simulated system model in LMS Imagine.Lab AMESim(Advanced Modeling Environment for performing Simulation of engineering systems). The result of simulation manifests that this system scheme can achieve the recovery of the potential energy of the boom and realize a better energy saving effect.



中文翻译:

基于液压能量回收的大型挖掘机动臂仿真研究

根据公司现有的XE系列70吨大型履带式液压挖掘机的工作条件特点,设计了一种新型的节能型液压系统,其中包含一个可逆蓄能器蓄能器和一个可变泵/马达作为能量转换元件。该方案属于挖掘机动臂势能再生方法。当动臂下降时,蓄能器和泵/马达起作用,一部分液压缸无杆腔内的流体进入杆腔,另一部分充满蓄能器,并驱动泵/马达以协助发动机的工作。动臂下降后,蓄能器继续向泵/马达供应液体,继续协助发动机工作。然后,对系统的主要液压组件进行建模,并在LMS Imagine.Lab AMESim(用于执行工程系统仿真的高级建模环境)中构建仿真系统模型。仿真结果表明,该系统方案可以实现动臂的势能的回收,并具有较好的节能效果。

更新日期:2021-01-27
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