煤矿自卸车制动器制动性能计算机仿真分析  

Simulation Analysis of Braking Performance of Mine Dump Truck Brake

作　　者：张春昱 李红 Zhang Chunyu;Li Hong(Yantai Engineering and Technology College,Yantai 264006,China)

机构地区：[1]烟台工程职业技术学院,山东烟台264006

出　　处：《煤矿机械》2019年第4期164-166,共3页Coal Mine Machinery

摘　　要：针对矿用自卸车制动器制动性能要求较高等问题,以某型矿用自卸车为研究对象,分析其驱动后桥及其制动系统,运用ANSYS Workbench有限元仿真软件建立矿用自卸车内置湿式制动器制动对偶钢盘与制动摩擦盘有限元仿真模型;分析了不同制动时间、摩擦因数、制动速度、制动压力等参数对制动对偶钢盘与制动摩擦盘之间的接触压力的影响。仿真结果表明,在不同摩擦因数、制动速度、制动压力下,随着制动时间的增加,接触压力变化趋势基本一致,基本呈现先增加再减小最后保持不变的趋势;随着摩擦因数、制动速度、制动压力增加,接触压力都呈现逐渐增加的趋势,且不同参数下的接触压力增加幅度不同。该研究为提高矿用自卸车制动器制动性能、降低振动噪声提供理论依据。Aiming at the problems of high braking performance of mine dump truck brakes,a mining dump truck has been taken as the research object,and the rear axle and its braking system have been analyzed. The ANSYS Workbench finite element simulation software has been used to establish the finite element simulation model of the wet brake dual steel disc and the brake friction disc in the built-in dump truck. The impact of the contact pressures in different braking time,friction coefficient,braking speed and brake pressure between dual steel disc and the brake friction disc have been analyzed. The simulation results show that under different friction coefficient, braking speed and braking pressure,with the increase of braking time,the contact pressures changes are basically the same, and the trend are appearance first increases and then decreases and finally keeps the same;with the coefficient, braking speed,brake pressure increase, the contact pressures are gradually increasing,and the contact pressure increase amplitudes are different under different parameters. This research provides a theoretical basis for the braking performance improve and the vibration noise reduce for the mine dump truck brakes.

关 键 词：矿用自卸车 制动器 制动性能 仿真分析 

分 类 号：TD56[矿业工程—矿山机电] TP391.9[自动化与计算机技术—计算机应用技术]