摘要
破碎锤是一种常用的作业工具,安装在挖掘机等主机上进行破碎拆除施工。为研究破碎锤作业液压系统效率特性,对小型破碎锤液压系统进行了建模仿真与试验测试。分析了小型液压破碎锤的工作原理,基于Simulink建立了破碎锤液压系统的模型并进行了仿真,得到液压破碎锤氮气室的压力变化曲线和系统瞬时效率曲线。对微型挖掘机加装小型破碎锤作业进行了试验测试,采集了破碎锤氮气室压力、液压系统压力信号,得到了破碎锤的瞬时效率和平均效率,为破碎锤液压系统效率研究提供参考。
The hydraulic breaker is a commonly used operating tool,which is installed on main machines such as excavators for crushing and demolition operations.To study the efficiency characteristics of the hydraulic system during the operation of the hydraulic breaker,modeling,simulation,and experimental testing are conducted on the hydraulic system of a small hydraulic breaker.Firstly,the working principle of the small hydraulic breaker is analyzed.Then,a model of the hydraulic breaker's system is established based on Simulink,and simulations are carried out.Through this,the pressure curve of the nitrogen chamber in the hydraulic breaker and the instantaneous efficiency curve of the system are obtained.In addition,experimental tests are performed on the operation of a mini-excavator with a small hydraulic breaker.The pressure signals of the nitrogen chamber of the breaker and the hydraulic system are collected,and the instantaneous efficiency and average efficiency of the breaker are derived.This research provides a reference for the study on the efficiency of hydraulic breaker system.
作者
刘成强
张万利
LIU Chengqiang;ZHANG Wanli(School of Mechanical and Electrical Engineering,Xuzhou University of Technology,Xuzhou,Jiangsu 221018)
出处
《液压与气动》
北大核心
2026年第2期94-101,共8页
Chinese Hydraulics & Pneumatics
基金
江苏省高校自然科学基金面上项目(19KJB460026)
徐州工程学院校级项目(YGJ2237)。
关键词
微型挖掘机
液压破碎锤
效率特性
仿真与测试
mini-excavator
hydraulic breaker
efficiency characteristics
simulation and testing
