您要查找的是不是:
- Keywords hydraulic percussion drilling;nager;penetration rate;simulation;rock breakage; 液动冲击回转钻井;钎头;机械钻速;仿真;岩石破碎;
- Keywords impact;wave mechanics;hydraulic percussive drill;design; 冲击;波动力学;液压凿岩机;设计;
- Diamond drilling replaced percussion drilling. 金钻探取代了冲击钻探。
- The floor that stands by a floor in strong bottom digs a hole with percussion drill, knock nog, get on the traditional thread binding that play a base, secure with nail. 在强下部靠近地板的地板用冲击钻打一排孔,敲入木钉,把踢脚线装上,用钉子固定。
- This paper introduces research and development of DH pneumatic perforating machine, hydraulic percussion hammer and trajectory -controlled pneumatic perforating machine and their application. 非开挖技术在国际发展迅速,在我国尚有差距,本文介绍我国DH气动穿孔机、液压冲击锤、轨迹可控气动穿孔机的研制及工程应用情况。
- The air foam clockwise circulating and percussion drilling technology was practiced in the Africa that lacks water.It also got over the problem to drill in the very hard and leakage water rock. 应用空气泡沫正循环、气动潜孔锤钻进技术,实现了在非洲大陆严重缺水地区施工,克服了对坚硬岩石和漏失层钻进困难的问题。
- A Mathematic Model of Hydraulic Percussion Tool 液动射流式冲击器工作数学模型建立
- percussion drilling cast-in-place pile 冲孔灌注桩
- percussion drill hole grouting pile 冲孔灌注桩
- Complete range of various capacities, suitable for professional use on portable and percussion drills. 拥有可涵盖各种夹持力之完整性,适用于可携式电钻之专业用途。
- cylindrical shank percussion drill 圆柱柄冲击钻
- Applications of Hydraulic Percussion Tool in Chuanhe 148 Well 液动冲击器在川合148井的应用
- Keywords reverse thrust nappe structure formation rotary percussion drilling DGSC hydraulic impacter application rate of penetration; 逆掩推覆体地层;旋冲钻井;液动冲击器;应用;钻速;
- However, the SEP in diamond rotary drilling was higher than the SEP in percussive drilling in lightly weathered hard as well as in extremely hard rock. 在微风化的坚硬与极坚硬岩石中,金刚石旋转钻进比功则明显高于冲击凿碎比功。
- This paper explains and proves briefly that the incident wave differes from the percussive force in percussive drilling, and both are two different conceptions. 本文简要地论证和说明了冲击凿入系统中的入射波和凿入力(即冲击力)是两个不同的力。
- This paper introduces the automatic drilling principle, the hardware composition and software program in the windlass percussive drilling by the microcomputer control system. 介绍了卷扬式冲击钻进过程中,微机控制实现自动钻进的基本原理、硬件的组成和软件的设计。
- Based on certain mechanical quality of the rock, the analysis on the Polycrystalline Diamond Compacts (PDC) bit and the rotary percussive drilling is carried out. 在管棚支护所钻岩石的力学性质基础上,对管棚支护钻孔所采用PDC钻头和回转冲击的钻进方式进行了比较分析。
- Simulation of penetration rate of air percussion drilling bit 冲旋钻井机械钻速仿真研究
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- The building is made of hydraulic cement. 大楼是用水硬水泥建造的。