反铲挖掘机挖掘阻力动态解析模型研究  

Dynamic analytical modeling of backhoe excavator shovel resistance

作　　者：杨宇恒 李冰[1,2] 黄龙 徐武彬[1,2] YANG Yuheng;LI Bing;HUANG Long;XU Wubing(School of Mechanical and Automotive Engineering,Guangxi University of Science and Technology,Liuzhou 545006,Guangxi,China;Guangxi Collaborative Innovation Center of Earthmoving Machinery,Liuzhou 545006,Guangxi,China)

机构地区：[1]广西科技大学机械与汽车工程学院,广西柳州545006 [2]广西土方机械协同创新中心,广西柳州545006

出　　处：《中国工程机械学报》2023年第5期415-421,共7页Chinese Journal of Construction Machinery

基　　金：广西科技计划项目(桂科AD22080042);广西重点研发计划项目(桂科AB22035066);广西科技重大专项项目(桂科AA22068064);柳州市科技计划项目(2021BAC0101)。

摘　　要：为解决在典型工况下,较难预测反铲挖掘机挖掘阻力的问题,基于反铲挖掘机铲斗与物料的作用特性,利用Simulink-Adams联合方法,建立挖掘阻力动态解析模型。通过比较在反铲挖掘机常见工况下,该解析模型与离散元仿真挖掘干土块的挖掘阻力,证明提出的解析模型可快速获得对应的挖掘阻力结果。实验结果表明:利用该挖掘阻力动态解析模型,可大幅提高挖掘阻力预测效率。In order to solve the problem of difficult to predict the digging resistance of backhoe excavators under typical working conditions,an analytical model of digging resistance for backhoe excavators is proposed in this paper.Based on the bucket-material interaction characteristics of the backhoe,a dynamic analytical model of excavation resistance is developed using a joint Simulink-Adams approach.By comparing the analytical model with a discrete element simulation of the excavation resistance of a dry soil block under common conditions of a backhoe excavator,it is demonstrated that the corresponding excavation resistance results can be obtained quickly.Experiments show that the efficiency of excavation resistance prediction can be significantly increased by using this dynamic analytical model of excavation resistance.

关 键 词：反铲挖掘机 挖掘阻力 解析模型 Simulink-Adams联合仿真 

分 类 号：TU621[建筑科学—建筑技术科学]