【摘要】 节能设计是目前大功率液压系统油源设计的重点。该文介绍了一套高压、大流量液压系统油源将装机功率由1100k W降低到440k W的节能设计,该油源由4台160m L/r泵机组和36个100L蓄能器组成,包含有比例溢流阀的调压回路、恒压变量泵的调压回路和溢流阀的卸压回路,完成了全流量工作时蓄能器群组的快速大流量补油和待机时的小功率保压,实现了液压系统的节能目的。在此基础上,介绍了蓄能器的参数设计,分析了液压系统启、停时大规模蓄能器群组对系统压力的影响。更多还原

【Abstract】 At present,the design applied in saving energy is important in hydraulic power unit of high-power hydraulic system.This paper reviews a saving engrgy design applied in a high- power hydraulic system.The system input power debased from 110 k W to 440 k W.The unit make up of 4 pumps and 36 accumulators,including adjustable pressure circuit and uninstall circuit.In full flow rate working time,all accumulators can quickly compersate lacking liquid.In waiting time,the system input power is very small,but the pressure is same.On this bisis, the paper reviews the design parameters of accumulator, and the analysis of system pressure when hydraulic system with large-scale accumulators start and stop.更多还原