CAJ | 학술논문

针对液压挖掘机动臂在下降过程中重力势能利用率低的问题，对挖掘机动臂机构和液压系统进行了理论分析，分别建立了液压挖掘机动臂在下降过程中的机构运动学模型和液压回路的数学模型。采用AMESim软件建立了动臂机构运动与液压回路的仿真模型，分析主泵-多路阀-负载的正流量控制参数。并通过遗传算法优化节流阀通径，得出两组节流阀通径最优值。
침대액압알굴궤동비재하강과정중중력세능이용솔저적문제，대알굴궤동비궤구화액압계통진행료이론분석，분별건립료액압알굴궤동비재하강과정중적궤구운동학모형화액압회로적수학모형。채용AMESim연건건립료동비궤구운동여액압회로적방진모형，분석주빙-다로벌-부재적정류량공제삼수。병통과유전산법우화절류벌통경，득출량조절류벌통경최우치。
Aiming at the problem of potential energy changing into heat during a excavator boom being downward process ,the paper analyzes the mechanics and hydraulic circle of excavator boom in theory .The kinematics model of the boom mechanism in the process of falling and the mathematical model of hydraulic system are established .The simulation model is built by AMESim ,in the case of single pump+multi-way valve+ load ,the positive flow parameters are analyzed .Finally ,throttle valve sizes are optimized by the genetic algorithm ,two groups of the optimal throttle valve sizing value are obtained .