钻削式采煤机钻削机构系统动力学研究
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摘要
为探寻钻削式采煤机在实际钻进过程中出现的严重偏斜,有效地控制和预测其截割机构的运动规律和动力学行为,建立了550 mm钻削式采煤机钻削机构刚柔耦合的系统动力学模型。利用ANSYS对钻杆进行柔性化,导入ADAMS中,利用ADAMS/Vibration模块对钻削机构进行受迫振动分析,得到了柔性体条件下螺旋钻头在x、y、z三个方向的振动情况。
To investigate serious skew of the auger shearer during actual drilling process,effectively control and forecast the motion law and dynamic behavior of its cutting mechanism,a dynamic rigid-flexible coupling model of the drilling unit of a 550 mm auger shearer was established. The flexible model of the drill stem was built in ANSYS and then imported into ADAMS. After that,the forced vibration analysis on the drilling unit was carried out by ADAMS/Vibration module,and vibration of the auger in direction x,y and z in flexible mode was obtained.
To investigate serious skew of the auger shearer during actual drilling process,effectively control and forecast the motion law and dynamic behavior of its cutting mechanism,a dynamic rigid-flexible coupling model of the drilling unit of a 550 mm auger shearer was established. The flexible model of the drill stem was built in ANSYS and then imported into ADAMS. After that,the forced vibration analysis on the drilling unit was carried out by ADAMS/Vibration module,and vibration of the auger in direction x,y and z in flexible mode was obtained.
引文
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[2]朱才朝,冯代辉,陆波,等.钻柱结构与井壁岩石互作用下系统耦合非线性动力学研究[J].机械工程学报,2007,43(5):145-149.
[3]朱才朝,谢永春,秦大同,等.牙轮钻头纵向横向扭转振动动力学仿真研究[J].机械工程学报,2002,38(2):69-74.
[4]刘清友,孟庆华,庞东晓,等.基于复杂环境多自由度牙轮钻头动力学模型建立与分析[J].应用力学学报,2008,25(4):566-571.
[5]谢向荣,俞翔,朱石坚.基于ADAMS的柔性基础振动系统隔振性能分析[J].振动与冲击,2010,29(3):185-188.
[6]黄志强,范永涛,魏振强,等.冲旋钻头破岩机理仿真研究[J].西南石油大学学报,2010,32(1):148-151.
[7]李建平,杜长龙,张永忠.钻式采煤机设计理论[M].徐州:中国矿业大学出版社,2009.
[8]户川隼人.振动分析的有限元法[M].北京:地震出版社,1985:54-60.
[9]朱春霞,朱立达,刘永贤,等.并联机器人多柔体系统协同建模与动力学仿真[J].东北大学学报:自然科学版,2008,29(3):366-370.
[10]李军,邢俊文,覃文洁.ADAMS实例教程[M].北京:北京理工大学出版社,2002:190-220.
[11]郑凯,胡仁喜,陈鹿民.ADAMS 2005机械设计高级应用实例[M].北京:机械工业出版社,2006:164-193.
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