According to the actual working situation,this article made a transient dynamics analysis to rock drilling rod on ANSYS platform,and made comparison with the result data on different piston shapes.
以ANSYS为平台,按照真实工作状态对凿岩钎杆进行了瞬态动力学分析,并对不同活塞形状下分析结果数据进行了比较,为冲击凿岩系统设计提供了理论依据。
The requirements of automatic control system of the drilling rig to the sensor are briefly discussed.
简要论述了凿岩钻车自动控制系统对传感器的要求,介绍了磁性编码器的工作原理和性能特点,并认为这种编码器适合用于凿岩钻车的自动控制系统。
The large hole hard drilling is a technical difficult problem,though there are many researching thinking and methods from scientists and engineering technical personnel at home and abroad and achieved certain results.
大口径硬岩钻凿是一个技术难题，尽管国内外科学家和工程技术人员研究思路及方法较多，并取得了一定效果，但是，仍然存在着各种问题和不足。
Rock drilling equipment--Hollow drill steels in bar form
GB/T1301-1994凿岩钎杆用中空钢
Rope thread extension steel bars for rock drilling
GB/T6482-1994凿岩用波形螺纹连接钎杆
Hollow hexagonal drill rods with tapered connection for rock drilling
GB/T6481-1994凿岩用锥形连接中空六角形钎杆
Study and application of the drill noise control in the pneumatic rock driller
气动凿岩机钎杆的噪声控制研究与应用
Carbide detachable bit for rock drilling
GB/T6480-1994凿岩用硬质合金钎头
FEM Analysis on Warm Extrusion Concave Die of Drilling Bit Shell
凿岩钎头壳体温挤压凹模的有限元分析
automatic rotation stopper
自动旋转伸缩式凿岩机
bar rigged drifter
架式风钻，架式凿岩机
a temple chiselled out of solid rock
在岩石中凿出的庙宇.
auto feed drifter
自动推进架式凿岩机
hand-held sinker
向下打眼的手持凿岩机
Drilling and Blasting Technology of Hard Rock in New Ventilating Shaft in Zhangxin Coal Mine
张新矿新风井坚硬岩石凿岩爆破技术
Optimization of drilling and blasting parameter of fracture rock
破碎矿岩凿岩爆破参数优化方法探讨
A machine that bores through hard surfaces, used especially for tunneling through rock.
凿岩机一种钻孔于坚硬表面的机器，尤用作凿穿岩石的隧道
They drove a tunnel through the rock.
他们凿通一条穿过岩石的隧道.
steps cut in the solid rock
在整块岩石上凿出的台阶
We rushed back to the place I had chipped the rock.
我们赶紧回到我凿岩石的那个地方。
Terminology of rock drilling machines and pneumatic tools
GB/T6247-1986凿岩机械与气动工具名词术语