摘要
CJF - 2 0型冲击反循环钻机是一种新型大口径钻孔桩基施工设备 ,该机具有操作简便、实用、高效、性能稳定可靠、液压起塔及步履移动、对孔口位方便等特点。本文介绍了其技术参数、工作原理。
Percussion anti circulation drilling rig is a foundation construction equipment for drilling large diameter hole.The machine is easy to operate,practical,high efficiency and reliable.The perfor ̄mance is better.Lifting of mast,walking longitudinally and transversely and locating the hole position are driven by hydraulic system.The paper introduces the technique parameter,working principle,main structure and the working result.
出处
《建筑机械》
2000年第10期50-52,共3页
Construction Machinery