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基于飞轮储能原理的挖掘机动臂势能回收系统设计
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江苏省高校优秀中青年教师和校长境外研修计划资助项目;江苏省科协青年科技人才托举工程资助项目;江苏省“青蓝工程”资助项目;徐州工业职业技术学院科技项目博士专项(XGY2017EA01);徐州工业职业技术学院科学技术项目(XGY2018A005);徐州工业职业技术学院服务产业研发资助项目


Design of Boom Potential Energy Recovery System for Hydraulic Excavator Based on Flywheel
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    摘要:

    针对挖掘机工作装置在下放时势能转化为热能造成的能量浪费问题,提出一种以液压泵/马达作为能量转化元件、飞轮为储能元件的动臂势能回收与再利用系统,阐明系统工作原理。以某4 t液压挖掘机为研究对象,对系统的关键参数进行匹配,建立系统模型;对典型工作循环中,对液压泵/马达排量、飞轮转动惯量等关键参数对动臂运动和能量回收和再利用的影响进行仿真分析,得出能量回收和再利用的具体数值,最高可达约65%。结果表明,该系统可以显著提升挖掘机液压系统的能量利用效率。

    Abstract:

    In light of the energy waste problem caused by the transformation of the potential energy of the excavator working device to heat energy,a novel potential energy recovery and reutilization system using the hydraulic pump/motor as the energy conversion element and the flywheel as the energy storage element was proposed.The working principle of the system was analysed.A 4 t hydraulic excavator was taken as the research object,the key parameters of the system were matched and the system model was set up.The influence of the key parameters such as the hydraulic pump/motor displacement and the moment of inertia of the flywheel on the movement of the boom and the energy recovery and reutilization efficiency in the typical working cycle were simulated and analyzed,and the specific value of the energy recovery and reutilization was obtained,up to 65%.The results show that the system can significantly improve the system energy efficiency of hydraulic excavator.

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李建松,黎少辉,周波,孙金海,金月峰.基于飞轮储能原理的挖掘机动臂势能回收系统设计[J].机床与液压,2020,48(10):122-127.
. Design of Boom Potential Energy Recovery System for Hydraulic Excavator Based on Flywheel[J]. Machine Tool & Hydraulics,2020,48(10):122-127

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  • 在线发布日期: 2020-08-19
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