氮气弹簧在钻机液压卡盘中的设计应用  

Design and Application of Nitrogen Cylinder in Hydraulic-chuck Drill

作　　者：胡树林 

机构地区：[1]中国煤炭科工集团重庆研究院,重庆400039

出　　处：《煤矿机械》2012年第9期217-218,共2页Coal Mine Machinery

摘　　要：通过对国内钻机常用的3种液压卡盘结构的分析,设计了1种采用氮气弹簧代替碟形弹簧的新型液压卡盘。该卡盘尺寸小、夹紧力大、寿命长、工作可靠、更换卡瓦快捷方便,大大地提高了钻机的工作性能和工作效率。A new kind of hydraulic chuck which used nitrogen cylinder instead of disc spring was designed through the analysis of three kinds of hydraulic-chuck drills. The chuck has small size, large clamping force, long service life, reliable work, convenient replacement of chuck ,greatly improving the working performance and working efficiency.

关 键 词：液压卡盘 氮气弹簧 结构设计 

分 类 号：TD421.4[矿业工程—矿山机电]