MD－50型钻机

MD-50 Drill

摘要:

ＭＤ－５０型钻机是一种新型的全液压动力头式锚杆钻机，经北京等地岩锚和砂卵石层潜孔锤跟管钻进施工，都取得了满意的效果。本文对钻机设计中的有关问题作了介绍。

Abstract:

D-50 dril is a new all-hydraulic,top-head drive anchor drill.It has effectively used inboth rock anchor rotary drilling,as well as DTH drilling with simultaneously casing follow in sand and cobbleformations in Beijing. Some problems relating to design,of the drill are described'