The invention discloses an excavator energy recovery system, the engine is connected with a motor driven hydraulic pump; rotating parallel oil boom, intersection and recovery of the oil return port connected with the hydraulic motor, the hydraulic motor is connected with power recovery motor function, the excavator boom decline in potential energy and kinetic energy of the rotary brake for recycling, and to store electrical energy storage devices into electrical motor, with power generation function; motor and electric energy storage elements are connected with the motor controller. The energy recovery system of the excavator can recycle energy, improve the recovery efficiency of the system, and has good energy saving effect, and does not affect the stable work of the engine and improves the working efficiency of the engine.
【技术实现步骤摘要】
【技术保护点】
一种挖掘机能量回收系统,包括发动机(1)、液压泵(3)、主阀、执行机构和整机控制器(14),其特征在于:电机(2)与所述的液压泵(3)传动连接;所述的执行机构连接电磁阀,所述的电磁阀出口连接回收液压马达(11)的入口,所述的回收液压马达(11)与具有发电功能的电机(10)传动连接,所述的电机(2)和所述的具有发电功能的电机(10)通过电机控制器(12)与电储能元件(13)电相连。
【技术特征摘要】
【专利技术属性】
技术研发人员:何清华,张大庆,张云龙,郭勇,刘昌盛,刘心昊,赵喻明,
申请(专利权)人:湖南山河智能机械股份有限公司,
类型:发明
国别省市:43
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