矿用多功能铲运机全液压制动系统设计  

Design of Full Hydraulic Braking System for Mining Multifunctional Load-haul-dumper Loader

作　　者：贺克伟 He Kewei(Taiyuan Research Institute,China Coal Technology and Engineering Group,Taiyuan 030006,China;National Engineering Laboratory for Coal Mining Machinery,Taiyuan 030032,China)

机构地区：[1]中国煤炭科工集团太原研究院有限公司,太原030006 [2]煤矿采掘机械装备国家工程实验室,太原030032

出　　处：《煤矿机械》2023年第2期23-26,共4页Coal Mine Machinery

摘　　要：介绍了矿用多功能铲运机的制动形式,阐述了定量泵与变量泵全液压制动系统的构成,对比分析了定量泵、恒压泵与负载敏感变量泵全液压制动系统的特点。分析了负载敏感充液阀与反向调节制动阀的结构与工作原理,综合整机布置以及制动、转向与工作机构液压系统的设计因素,完成了矿用铲运机全液压制动系统的设计,实现了整机行车制动、紧急制动与驻车制动功能,为配置发动机动力系统和采用液力机械传动设备的全液压制动系统设计提供了参考。Introduced the braking form of mining multifunctional load-haul-dumper loader.Expounded the composition of quantitative pump and variable pump full hydraulic braking system.Compared and analyzed the characteristics of quantitative pump,compensated pump and load sensing variable pump full hydraulic braking system.Analyzed the structure and working principle of load sensing charging valve and reverse modulating braking valve.Based on the machine layout and the comprehensive design factors of braking,steering and working mechanism hydraulic system,full hydraulic braking system of mining multifunctional load-haul-dumper loader was designed.Realized the machine service brake,emergency brake and parking brake function.It provides a reference for the design of full hydraulic braking system with engine power system and hydro-mechanical transmission equipment.

关 键 词：矿用多功能铲运机 全液压制动系统 负载敏感充液阀 反向调节制动阀 液力机械传动 

分 类 号：TD525[矿业工程—矿山机电]