300t矿用自卸车全液压湿式制动系统研究  

Dynamic Research on Full Power Hydraulic Wet Braking System of 300 t Mining Truck

作　　者：胡江平[1] 杨务滋[1] 彭国普 罗春雷[1] 

机构地区：[1]中南大学机电工程学院,湖南长沙410083 [2]湘电重型装备股份有限公司,湖南湘潭411101

出　　处：《郑州大学学报（工学版）》2011年第3期68-71,共4页Journal of Zhengzhou University（Engineering Science）

基　　金：湖南省科技重大专项(计划项目2010FJ1003)

摘　　要：提出了一套新型的全液压湿式制动系统,该系统具有多级制动功能,节能效果良好,采用独特的油路冷却湿式制动器.在建立该系统的AMES im仿真模型的基础上,对其进行了动态性能研究,研究结果表明:行驶制动与制动锁定的动态响应时间分别约为0.03 s、0.035 s;在正常制动压力下,紧急制动的动态响应时间也约为0.03 s;制动蓄能器的容量至少能够满足5次行驶制动.因此该多级制动系统的动态性能与蓄能器的参数均能满足自卸车制动可靠性的设计要求,为开发新型全液压湿式制动系统和优化其性能参数提供了重要依据.This paper presents a new set of full power hydraulic wet braking system,which has multi-stage braking function and better energy-saving effect,and uses a particular oil circuit for cooling.Dynamic research has been done by its AMESim model establishment and simulation.Results indicate that the dynamic response time of running brake and loading brake is respectively about 0.03s and 0.035s,and time of emergency brake under the normal braking pressure is approximately 0.03s,and the capacity of braking accumulator can meet running brake at least five times.A conclusion is drawn that both dynamic characteristics of the multi-stage brake system and accumulator parameters meet brake reliability requirements of mining truck,which is very valuable for the development and optimization of a new type of full power hydraulic wet braking system.

关 键 词：多级制动 卸荷溢流阀 湿式制动器 AMEsim模型 动态响应 

分 类 号：TD57[矿业工程—矿山机电]