【摘要】 就目前国内施工单位使用高风压潜孔冲击钻具数量上升的趋势,对瑞典AtlasCopco公司生产的高风压潜孔冲击器、潜孔钻头和潜孔钻杆的类型、工作参数、结构特征以及配合形式作了介绍。更多还原

【Abstract】 As more and more construction units employ down-the-hole impact drill with high blast pressure, the paper gives introduction to Sweden Atlas Copco Company products such as down-the-hole impacter with high blast pressure, down-the-hole drill bit and drill rod about their type, operation parameter, structural characteristic and fit form.更多还原