全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用：99美元
投递稿件

查看量下载量

相关文章

更多...

液压破碎锤系统建模与仿真

, PP. 121-126

Keywords: 机械工程,液压破碎锤,仿真,系统建模

Full-Text   Cite this paper   Add to My Lib

Abstract:

？为分析液压破碎锤的动态性能,以YC70型液压破碎锤为研究对象,在系统分析其工作原理的基础上,建立了液压破碎锤的非线性数学模型,利用编制的仿真程序进行计算,并将仿真结果与实测结果进行对比。结果表明:仿真结果与实测结果的误差在2%以内,从而验证了数学模型与仿真程序的准确性;液压破碎锤工作过程中,冲击活塞始终处于剧烈的变速运动状态,其加速度可达623.9m·s-2,最大速度可达7688mm·s-1;换向阀亦处于高频换向状态,换向阀芯在运动过程中受力有较大波动,而且2个极限位置与阀体有较强烈的冲撞,但对位移影响不明显,也即对上腔所控液压油影响不大。

 References

[1]  WANG Xue,GONG Jin,ZOU Xiang-fu.The Study of Research Status and Trend of Hydraulic Impactor[J].Pneumatic Tools Used in Rock Drilling Machines,2006(3):19-23.
[2]  XU Tong-le,XIA Ming-tang.Development and Present Situation of Hydraulic Breaker[J].Mechanical Engineer,2005(6):20-21.
[3]  SONG Jian-yu.A New Type of Breaking Hammer－Hydraulic Hammer[J].Shanxi Science & Technology of Communications,1999(2):28.
[4]  SI Gui-mao,LI Xiao-ning.Development Situation and Research of Hydraulic Breaking Hammer[J].Road Machinery & Construction Mechanization,2009,26(7):76-77,80.
[5]  SHU Lin-qiu.Diagnosis and Elimination of Common Hitch of Hydraulic Breaker[J].Road Machinery & Construction Mechanization,2003,20(5):28.
[6]  YANG Guo-ping.Research on Computer Simulation for a New Pilot Type Hydraulic Impactor System[J].Mechanical Science and Technology,2006,25(2):233-237.
[7]  YANG Guo-ping,LIU Zhong,DING Wen-si,et al.Research on the Precursor Control Valve of a New Hydraulic Impact Hammer[J].Mechanical Science and Technology,2001,20(6):836-838.
[8]  DING Wen-si.Emulation Model of Nitrogen Explosion Type Hydraulic Percussion Device System Based on SIMULINK[J].Construction Machinery,2001(10):21-25.
[9]  YANG Guo-ping.Research on Design Theory on the Return Oil Chamber of a New Hydraulic Impactor[J].China Journal of Highway and Transport,2002,15(1):113-115.
[10]  TIAN Shu-jun,YANG Guo-quan,LIU Neng-hong,et al.Dynamic Performance Simulation Research of YYGJ90 Hydraulic Rock Drill[J].Pneumatic Tools Used in Rock Drilling Machines,1994(3):51-55,47.
[11]  SI Gui-mao,ZHANG Qing-lan,DUAN Li-li,et al.AMESim-based Modeling and Simulation on Hydraulic System of Breaking Hammers[J].Chinese Journal of Construction Machinery,2010(2):179-183.
[12]  YANG Guo-ping,YANG Xiang-bi,LIU Zhong.Emulating Study of Hydraulic Splitter Impaction Process Based on MATLAB[J].Road Machinery & Construction Mechanization,2002,19(1):5-7.
[13]  XU Ai-jin,CEN Yu-wan,LUO Ming.Digital Simulation of Nitrogen Type Hydraulic Breaker Based on Simulink[J].Machinery,2004,31(3):42-44.
[14]  YANG Wu-zi,QIU Hai-ling.Dynamic Simulation of Hydraulic Impactor Without High Pressure Accumulator[J].Chinese Journal of Construction Machinery,2005,3(4):394-398.
[15]  XU Bi-yong,YE Xing-hai,LUO Ming.Hybrid Modeling and Simulation of Hydraulic Breaker Based on Simulink/Stateflow[J].Construction Machinery,2009(3):55-59.
[16]  王 雪,龚 进,邹湘伏.液压冲击器的研究状况和发展趋势[J].凿岩机械气动工具,2006(3):19-23.
[17]  许同乐,夏明堂.液压破碎锤的发展与研究状况[J].机械工程师,2005(6):20-21.
[18]  宋建煜.一种新型破碎锤——液压锤[J].山西交通科技,1999(2):28.
[19]  司癸卯,李晓宁.液压破碎锤的发展现状及研究[J].筑路机械与施工机械化,2009,26(7):76-77,80.
[20]  舒林秋.液压破碎锤常见的故障诊断及排除[J].筑路机械与施工机械化,2003,20(5):28.
[21]  杨国平.新型先导式液压冲击器系统的计算机仿真研究[J].机械科学与技术,2006,25(2):233-237.
[22]  杨国平,刘 忠,丁问司,等.新型液压破碎锤先导式配流阀的仿真研究[J].机械科学与技术,2001,20(6):836-838.
[23]  丁问司.基于SIMULINK的氮爆式液压冲击器系统仿真模型[J].建筑机械,2001(10):21-25.
[24]  杨国平.新型液压冲击器回油储油腔的设计理论研究[J].中国公路学报,2002,15(1):113-115.
[25]  田树军,杨国权,刘能宏,等.YYGJ90型液压凿岩机动态性能仿真研究[J].凿岩机械气动工具,1994(3):51-55,47.
[26]  司癸卯,张青兰,段立立,等.基于AMESim的液压破碎锤液压系统建模与仿真[J].中国工程机械学报,2010(2):179-183.
[27]  杨国平,杨襄璧,刘 中.用MATLAB语言对液压破碎锤冲击过程的仿真研究[J].筑路机械与施工机械化,2002,19(1):5-7.
[28]  许爱瑾,岑豫皖,罗 铭.基于Simulink的氮爆式液压破碎锤数字仿真[J].机械,2004,31(3):42-44.
[29]  杨务滋,邱海灵.取消高压蓄能器的液压冲击器动态仿真[J].中国工程机械学报,2005,3(4):394-398.
[30]  徐必勇,叶兴海,罗 铭.基于Simulink/Stateflow的液压冲击器混合建模与仿真[J].建筑机械,2009(3):55-59.
[31]  GIUFFRIDA A,LAFORGIA D.Modelling and Simulation of a Hydraulic Breaker[J].International Journal of Fluid Power,2005,6(2):47-56.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133