rodtool rig是什么意思

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in Dongguan of Guangdong province,this paper summarizes the construction technology of oblique rock-embedding steel pipe piles by impact drills.

结合东莞某石化有限公司码头工程中斜向钢管嵌岩桩的施工实践,对采用冲击钻机进行钢管斜向嵌岩桩施工的施工工艺进行总结。

Reformation of the CZ 22 cable drill;

CZ-22型钢绳冲击式钻机改型探讨

hand churn drill

手动钢绳冲击式钻机

Application of impact drilling in rock-embedding oblique steel pipe piles

冲击式钻机在钢管嵌岩斜桩施工中的应用

The Strength and Modal Analysis of GCF-1500 Impact Drilling Machine Tower;

GCF-1500冲击钻机钻塔强度与模态分析

Study on the Drivin of Cavity-front Constant-pressure Impact-rotary Hydraulic Roofbolter;

前腔常压式冲击旋转型液压锚杆钻机动力头的研究

The Modal Identification of the Hybrid System of GCD-1500 Percussive Drilling

GCD-1500钻机冲击机构刚柔体系模态识别

Structural Design and Mechanism Study on Water-saving Rotary Percussive Devices;

节水型回转冲击钻具结构设计与钻进机理研究

Application of CJF Series Strike Backcycling Engineering Driller

CJF系列冲击反循环工程钻机的应用

Diamond drilling replaced percussion drilling.

金钻探取代了冲击钻探。

Experiment and Analysis Study on Percussion Device of CHF-20 Percussion and Rotary Reverse Circulation Drilling Rig;

CHF-20型冲击-回转反循环工程钻机冲击机构试验及分析研究

cantilever beam impact tester

悬臂梁式冲击试验机

lash type inertia vibrating shakeout

冲击式惯性振动落砂机

percussion grinder for solid mineral materials

冲击式固体矿物研磨机

Hart impact tester

哈特式冲击强度试验机

Application of Percussion Drill and Rotary Drill in the Construction of Dock Rock-socketed Oblique Piles

冲击钻机与回转钻机在码头嵌岩斜桩施工中的应用

The optimization design and experimental research on percussion-compact step drill bit

阶梯式冲击挤密钻头结构优化设计及试验

The Development of CHF-20 Percussive-Rotary Reverse-circulation Drill;

CHF-20型冲击—回转反循环工程钻机的研制

The Research of Portable and Quick Vibration Impact Sampling Equipment and Drilling Technology;

轻便快速振动冲击取样机具与钻进工艺的研究

The Pore-forming Mechanism Study of Cam Bit on Percussive-Rotary Extruding DTH Drilling

凸轮型冲击回转挤压钻头成孔机理的研究