新型电动四轮农用车牵引性能研究  

Research on traction performance of new electric four-wheel drive multifunctional agricultural vehicle

作　　者：于斌 白锦洋[1] 张军伟[1] 左霞[1] 王国业[2] Yu Bin;Bai Jinyang;Zhang Junwei;Zuo Xia;Wang Guoye(Beijing Institute of Space Launch Technology,Beijing,100076,China;College of Engineering,China Agricultural University,Beijing,100083,China)

机构地区：[1]北京航天发射技术研究所,北京市100076 [2]中国农业大学工学院,北京市100083

出　　处：《中国农机化学报》2022年第8期1-6,31,共7页Journal of Chinese Agricultural Mechanization

基　　金：国家自然科学基金项目(51605020)。

摘　　要：针对传统燃油农用车辆在环保、动力等性能方面存在的不足,研制一种新型电动四轮农用车辆,对样机进行牵引性能测试。针对作业和行驶工况,提出后轮电机中央驱动、前轮轮毂电机独立驱动的新型电动四驱动力系统方案,对整机牵引动力学进行分析,并进行牵引性能实车试验和经济性分析。研究表明,新型电动四轮农用车具有较好的牵引性能和经济性:牵引性能方面,后轮驱动的最大牵引力为1925 N,最大牵引效率为74%;经济性方面,中耕作业单位面积能量消耗降至传统燃油拖拉机的42.4%,单位面积成本费用降至传统燃油拖拉机的80.1%。该机适应温室大棚等设施农业、观光休闲农业等绿色环保的新型农业生产方式快速发展的需要,也为全新电动农业车辆设计提供参考。To solve the problem of traditional agriculture vehicle in environmental protection,power performance,a new type of multifunctional agricultural vehicle with electric four-wheel drive was developed and tested for its traction performance.In the power system scheme,the rear drive axle was driven by one central motor,the front drive axle used two independently driven hub motors,and the system matching design was carried out according to the operation of agricultural vehicles and driving conditions.The tractive operation dynamics of the whole machine were analyzed,and the traction characteristics and economic analysis were carried out.The results showed that the electric agricultural vehicle had good traction performance and economy.In terms of traction performance,the maximum traction force of the machine of rear wheel drive was 1925 N and the maximum traction efficiency was 74%.In terms of economy,the energy consumption per unit area and the cost per unit area of intertillage were reduced to 42.4%and 80.1%,respectively,of that of traditional oil tractor.The electric agricultural vehicle meets the needs for green and environment-friendly new agricultural production in places such as greenhouses and facilities such as facility agriculture and sightseeing leisure agriculture while also providing a reference for the design of new electric agricultural vehicles.

关 键 词：电动 四轮驱动 农用车 牵引试验 经济性 

分 类 号：S219.4[农业科学—农业机械化工程]