秸秆打捆机液压系统低压损集成阀组仿真研究  

Simulation Study on Low Pressure Loss Integrated Manifold of Straw Baler Hydraulic System

作　　者：耿怀德 王来锁 王波[1] 郑向军 郝云晓 权龙[1] GENG Huaide;WANG Laisuo;WANG Bo;ZHENG Xiangjun;HAO Yunxiao;QUAN Long(School of Mechanical Engineering,Taiyuan University of Technology,Taiyuan,Shanxi 030024;Shanxi Spri Machinery Manufacturing Co.,Ltd.,Jinzhong,Shanxi 030600)

机构地区：[1]太原理工大学机械工程学院,山西太原030024 [2]山西斯普瑞机械制造股份有限公司,山西晋中030600

出　　处：《液压与气动》2025年第4期63-70,共8页Chinese Hydraulics & Pneumatics

基　　金：国家自然科学基金面上项目(52275063);国家重点研发计划(2022YFB3403001)。

摘　　要：在现有的液压系统中,采用机加工的集成阀块将不同功能的液压阀集成,其内部存在大量工艺孔道和刀尖容腔,造成严重的局部损失和沿程损失。为了减少能量损失、减轻重量、节省成本,采用铸造方式将主要功能阀阀体及油路集成一体,设计全新的低压损集成阀组。运用基于液气两相流体模型的CFD方法对比分析设计前后压力损失情况,在满足原有液压系统要求的基础上,压损降低50%以上。In conventional hydraulic systems,machined integrated valve blocks are commonly used to consolidate hydraulic valves with diverse functions.However,the presence of numerous process orifices and cutter-tip cavities within these blocks leads to substantial local pressure losses and frictional losses,resulting in elevated energy consumption.In order to reduce energy loss,reduce weight,and save costs,this study uses casting to integrate the main functional valve body and oil circuit into one,and designs a new low-pressure loss integrated valve group.Through CFD simulations employing a liquid-gas two-phase flow model,we conducted comparative analyses of pressure losses between conventional and redesigned configurations.The results demonstrate that the optimized manifold design achieves over 50%reduction in pressure losses while maintaining full compliance with the original hydraulic system's operational requirements.

关 键 词：液压集成阀组 流场仿真 压力损失 优化设计 液气两相流 

分 类 号：TH137[机械工程—机械制造及自动化] TH138