带DA阀的A4V液压泵的控制原理分析与应用  

Analysis and application of control principle for A4V the hydraulic pump with DA valve

作　　者：梁贵萍[1] 何晓晖[2] 

机构地区：[1]贵阳学院实验中心,贵阳550005 [2]太原工业学院机电工程系,太原030001

出　　处：《机械设计与制造》2010年第12期105-107,共3页Machinery Design & Manufacture

摘　　要：通过对带DA阀的A4V液压泵的控制原理进行系统分析,论证了其利用DA阀的自动调节作用,始终保持液压泵扭矩与发动机的输出扭矩的最佳匹配,防止了机械系统发动机因负载过大而熄火,并提高了使用效率,同时也减轻操作者的心理负担。带DA阀的A4V液压泵在机械行业必将得到越来越广泛应用。Through a systematic analysis of the control principle the A4V hydraulic pump with DA valve,the present article proves the automatic adjustment function of DA valve,which can always keep the optimal match between the hydraulic pump torque and the output torque of engine,avoid the flameout of the mechanical system engine due to the heavy load,improve the use rate and at the same time relieve the operator's psychological load.The A4V hydraulic pump with DA valve will be used in the mechanical field widely.

关 键 词：液压泵 控制原理 原理分析 hydraulic PUMP control PRINCIPLE application 发动机 最佳匹配 心理负担 系统分析 输出扭矩 始终保持 使用效率 机械行业 机械系统 调节作用 操作者 自动 熄火 负载 

分 类 号：TH122[机械工程—机械设计及理论] TH16