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- Keywords hydraulic percussion drilling;nager;penetration rate;simulation;rock breakage; 液動(dòng)沖擊回轉鉆井;釬頭;機械鉆速;仿真;巖石破碎;
- Keywords impact;wave mechanics;hydraulic percussive drill;design; 沖擊;波動(dòng)力學(xué);液壓鑿巖機;設計;
- Diamond drilling replaced percussion drilling. 金鉆探取代了沖擊鉆探。
- 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. 在強下部靠近地板的地板用沖擊鉆打一排孔，敲入木釘，把踢腳線(xiàn)裝上，用釘子固定。
- This paper introduces research and development of DH pneumatic perforating machine, hydraulic percussion hammer and trajectory -controlled pneumatic perforating machine and their application. 非開(kāi)挖技術(shù)在國際發(fā)展迅速，在我國尚有差距，本文介紹我國DH氣動(dòng)穿孔機、液壓沖擊錘、軌跡可控氣動(dòng)穿孔機的研制及工程應用情況。
- 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. 應用空氣泡沫正循環(huán)、氣動(dòng)潛孔錘鉆進(jìn)技術(shù),實(shí)現了在非洲大陸嚴重缺水地區施工,克服了對堅硬巖石和漏失層鉆進(jìn)困難的問(wèn)題。
- A Mathematic Model of Hydraulic Percussion Tool 液動(dòng)射流式?jīng)_擊器工作數學(xué)模型建立
- percussion drilling cast-in-place pile 沖孔灌注樁
- percussion drill hole grouting pile 沖孔灌注樁
- Complete range of various capacities, suitable for professional use on portable and percussion drills. 擁有可涵蓋各種夾持力之完整性，適用于可攜式電鉆之專(zhuān)業(yè)用途。
- cylindrical shank percussion drill 圓柱柄沖擊鉆
- Applications of Hydraulic Percussion Tool in Chuanhe 148 Well 液動(dòng)沖擊器在川合148井的應用
- Keywords reverse thrust nappe structure formation rotary percussion drilling DGSC hydraulic impacter application rate of penetration; 逆掩推覆體地層;旋沖鉆井;液動(dòng)沖擊器;應用;鉆速;
- 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. 在微風(fēng)化的堅硬與極堅硬巖石中，金剛石旋轉鉆進(jìn)比功則明顯高于沖擊鑿碎比功。
- This paper explains and proves briefly that the incident wave differes from the percussive force in percussive drilling, and both are two different conceptions. 本文簡(jiǎn)要地論證和說(shuō)明了沖擊鑿入系統中的入射波和鑿入力(即沖擊力)是兩個(gè)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. 介紹了卷?yè)P式?jīng)_擊鉆進(jìn)過(guò)程中，微機控制實(shí)現自動(dòng)鉆進(jìn)的基本原理、硬件的組成和軟件的設計。
- 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. 在管棚支護所鉆巖石的力學(xué)性質(zhì)基礎上,對管棚支護鉆孔所采用PDC鉆頭和回轉沖擊的鉆進(jìn)方式進(jìn)行了比較分析。
- Simulation of penetration rate of air percussion drilling bit 沖旋鉆井機械鉆速仿真研究
- The drilling troops mustered on the hill. 演習部隊在小山上集合起來(lái)了。
- The building is made of hydraulic cement. 大樓是用水硬水泥建造的。
