西南交通大学学报2025，Vol.60Issue(2)：395-402,8.DOI:10.3969/j.issn.0258-2724.20230135
基于AMESim的矿用自卸车悬架系统平顺性分析
Ride Comfort Analysis of Suspension System of Mining Dump Truck Based on AMESim
摘要
Abstract
Mining dump trucks are mainly used for small-scale mine transportation,often run on poor roads or with serious overloading and other conditions.Hydro-pneumatic suspension is widely used in large construction vehicles due to its nonlinear characteristics of stiffness and damping,which can better adapt to external load excitation changes.For the XDR80t mining dump truck produced by XCMG,the acceleration data of the tire center of mass and body were collected,and a method based on frequency domain integral was proposed to obtain the relative displacement data of the piston rod.AMESim simulation platform was used to establish a mechanical and hydraulic co-simulation model,and the variation trend of body vibration characteristics under different structural parameters of suspension was investigated.The results show that the damping hole diameter has a more obvious influence on the vibration state of the body.When the damping hole diameter is changed from 8 mm to 14 mm,the peak value of acceleration is reduced by about 49.27%,and the root mean square(RMS)value is reduced by about 49.42%.However,the pitch angle shows an increasing trend.With the increase in cylinder/rod diameter from 180/150 mm to 200/170 mm,the peak value of acceleration and RMS value decrease by 16.84%and 18.62%.When the pre-charge pressure is increased from 1.5 MPa to 2.25 MPa,the peak value of acceleration and RMS value decrease by 27.67%and 27.49%,and the pitch angle declines.关键词
矿用自卸车/油气悬架系统/频域积分/AMESim仿真平台Key words
mining dump truck/hydro-pneumatic suspension system/frequency domain integral/AMESim simulation platform分类
机械制造引用本文复制引用
刘启航,冯汉队,刘申,李贝贝,刘秀梅..基于AMESim的矿用自卸车悬架系统平顺性分析[J].西南交通大学学报,2025,60(2):395-402,8.基金项目
国家自然科学基金项目(51875559) （51875559）
