利用无级变速器速比调节装载机功率分配的方法  

Continuously variable transmission wheel loader power distribution by ratio adjusting control strategy

作　　者：邹乃威 邬万江[2] 韩平[2] 陈超[2] 郭思佳[2] 王松林 初长祥 赵云峰 ZOU Naiwei;WU Wanjiang;HAN Ping;CHEN Chao;GUO Sijia;WANG Songlin;CHU Changxiang;ZHAO Yunfeng(School of Mechanical Engineering,Ningbo University of Technology,Ningbo 315336,Zhejiang,China;School of Mechanical Engineering,Jiamusi University,Jiamusi 154007,Heilongjiang,China;Guangxi Liugong Machinery Co.,Ltd.,Liuzhou 545007,Guangxi,China)

机构地区：[1]宁波工程学院机械工程学院,浙江宁波315336 [2]佳木斯大学机械工程学院,黑龙江佳木斯154007 [3]广西柳工机械股份有限公司,广西柳州545007

出　　处：《中国工程机械学报》2024年第3期281-286,共6页Chinese Journal of Construction Machinery

基　　金：国家自然科学基金资助项目(51775241);汽车动力与传动系统湖南省重点实验室开放基金项目(VPTS202301)。

摘　　要：基于装载机行走系统与液压系统功率的互补规律和无级变速系统等功率调节发动机转速的特性,在发动机部分负荷和全负荷两种工况下,分别提出了无级变速装载机行走系统,利用速比实现等功率及降功率调节行走系统与液压系统功率分配比例的控制策略。在相同仿真环境下,搭建液力机械传动装载机、无级变速装载机和在速比调节功率控制下的无级变速装载机等3个仿真平台。结果表明:无级变速装载机的速比可以调节行走系统与液压系统功率分配的比例,使其分配更合理,且有效地减少发动机输出功率的波动。本研究可为需要动力分流的车辆调节行走系统与其他系统功率分配比例提供借鉴和理论支持。Based on complementary rule between the power of wheel loader driving system and hydraulic system,and the characteristics of continuously variable transmission system equal with power adjusting engine speed,in two engine typical working conditions of partial load and full load,equal power and drop power adjusting driving system and hydraulic system power distribution by transmission ratio control strategy are proposed respectively.In the same simulation environment,three different simulation platforms are composed,traditional hydraulic mechanical transmission wheel loader,continuously variable transmission wheel loader and continuously variable transmission wheel loader with ratio adjusting power distribution control strategy,the simulation result shows that,continuously variable transmission ratio can adjust wheel loader driving system and hydraulic system power distribution,make the distribution more reasonable,and reduce engine output power fluctuation.This research can provide method reference and theoretical support for vehicles that require power distribution between the walking system and other systems.

关 键 词：装载机 无级变速 功率分配 功率互补 

分 类 号：TH122[机械工程—机械设计及理论]