drill pipe bore

The Theory Study of Indirect Bem 3D-FSM·DDM with Anchor Unit and the Software Development

含锚杆钻孔线单元的3D-FSM·DDM边界元理论研究及软件开发

Current situation and development of bolt drilling equipment used in collieries

煤矿锚杆支护钻孔设备的现状及发展

nuts of an anchor

有杆锚杆孔上下的杆箍

The Analysis of Principle for Drill Frame of MG100 Hydraulic Roof Bolter

MG100全液压锚杆钻机钻架工作原理分析

Drill for drilling wall anchor holes.

用于打钻墙壁锚栓孔的电钻。

Discussion about Realizing Driving and Bolting Integration with Airborne Roofbolter

机载锚杆钻机实现掘锚一体化的几点思考

Design and Research on Hydraulic Non-Circular Gear Roof Bolt Driller;

非圆齿轮式液压锚杆钻机的设计研究

Research on the Automatic Delimited Angle System of CMM25-4 Type Bolt Drilling Cars

CMM25-4型锚杆钻车自动分度系统的研究

Analysis of force state for adjustment drill frame of roof bolter

锚杆钻机立面变角机构受力状态分析

Drill three holes in the floor/base plate for anchoring the leg.

在地面/底板上为锚固支柱打钻三个孔。

Construction Measures of Hole Drilling of Prestressed Cable in Loose Deposit

松散堆积体预应力锚索钻孔施工措施

Application of self-made scarifier anchorage boring in construction

自制松土齿在锚孔钻造成孔施工中的运用

The Development of the Roof Bolter Testing System Based on Virtual Instrument;

基于虚拟仪器的锚杆钻机综合测试系统的开发

Research on the Dynamics of the Airborne Roof Bolter on EBJ-160 Roadheader

EBJ-160掘进机上机载锚杆钻机的动力学特性研究

Study on the Mechanical Analysis of the Extendible Beam of Airborne Roofbolter and Its Construction Technology

机载锚杆钻机伸缩梁力学分析及施工工艺研究

Present Situation and Development of Pneumatic Anchor Drilling Machine

气动式锚杆钻机的应用现状及发展趋势

Experiment Study in High Gas Heavy Section Colligate Driving Drift Hydraulic Pressure Rockbolt Drill Vehicle

高瓦斯大断面综掘巷道液压锚杆钻车试验研究

Application of Bore Incline-measure Technology in Anchor Cable Construction of a Huge Hydropower Station

钻孔测斜技术在某电站锚索施工中的应用实践