HMCVT换挡过程离合器充油特性研究  

Research on Clutch Oil Filling Characteristics of HMCVT Shift Process

作　　者：鲍明喜 倪向东[1] 钟春发 魏晓朝 BAO Ming-xi;NI Xiang-dong;ZHONG Chun-fa;WEI Xiao-zhao(School of Mechanical and Electrical Engineering,Shihezi University,Xinjiang Shihezi 832003,China)

机构地区：[1]石河子大学机械电气工程学院,新疆石河子832003

出　　处：《机械设计与制造》2022年第4期284-287,共4页Machinery Design & Manufacture

基　　金：国家自然基金资助项目(51665051)自走式采棉机HMCVT负载自适应速比匹配传动鲁棒性及控制策略研究;兵团应用基础研究计划(2015AG005)软摘锭采棉机液压机械无级变速器速比匹配及动态特性研究。

摘　　要：根据液压机械无级变速器传动原理,建立液压机械无级变速器试验台架,并利用ITI Simulation X软件对离合器控制动态系统、双向变量泵控制系统和液压机械无级变速器动态过程建立仿真模型。根据液压机械无级变速器换挡控制策略,通过液压机械无级变速器纯液压H挡、液压机械HM1、HM2挡仿真与试验结果,分析离合器流量调节阀(3L/min,4L/min,5L/min)对HMCVT输出转速、转矩的影响以及离合器减压阀压力(3MPa,4MPa,5MPa)以及对HMCVT输出转矩的影响。为进一步研究HMCVT换挡品质提供依据。According to the transmission principle of hydraulic mechanical continuously variable transmission,the hydraulic mechanical stepless transmission test bench was established,and the simulation model of the clutch control dynamic system,the bidirectional variable pump control system and the hydraulic mechanical continuously variable transmission dynamic process was established by ITI Simulation X software.According to the shift control strategy of the hydraulic mechanical continuously variable transmission,the clutch flow regulating valve(3L/min,4L/min,5L/min)is analyzed by the hydraulic hydraulic stepless transmission pure hydraulic H-stop,hydraulic machine HM1、HM2 gear simulation and test results.(L/min)The influence of HMCVT output speed and torque and the clutch pressure reducing valve pressure(3MPa,4MPa,5MPa)and the output torque of HMCVT.To provide a basis for further study of HMCVT shift quality.

关 键 词：液压机械无级变速器 Simulation X 湿式离合器 充油特性 油压 流量调节阀 

分 类 号：TH16[机械工程—机械制造及自动化] S232.3[农业科学—农业机械化工程]