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- The Development of Multi-Layer and Telescopic Drilling Rod 最新研制的國產(chǎn)多層伸縮鉆桿
- Integral Short Drill Rod Type DZ. 型整體式短鉆桿。
- The drill rig adopts hydraulic transmission way to realize the rotation,propulsion,getting up and pulling of drill,as well as adjustment and fixing of drill rod obliquity during working. 該機工作過(guò)程中鉆具的旋轉、推進(jìn)、起拔以及鉆桿傾角的調整和固定等動(dòng)作全部采用液壓傳動(dòng)方式實(shí)現;
- Is the earliest Chinese manufacturer of the aluminium alloy cooling rods for the drill rod welding in the PTC industry. 公司以扎實(shí)的科研力量為依托，雄厚的生產(chǎn)實(shí)力為基礎。
- The floating Rotary Head avoids abnormally wearing of drill rods' threads. 滑動(dòng)式動(dòng)力頭，避免鉆桿絲扣的非正常磨損；
- The floating trailing plates avoid abnormally wearing of drill rods' threads. 浮動(dòng)式動(dòng)力頭拖板，避免鉆桿絲扣的非正常磨損；
- Design of a Rotating Mechanism of Telescopic Drill Arm 一種可伸縮式鉆臂回轉機構設計
- Rotary drill rod used for coal mining roofbolter 煤礦錨桿鉆機用回轉鉆桿
- Shape and dimension of shank for drill rod 鑿巖機導桿形狀及尺寸
- The drill rod was designed not rotative,and the piston can turn around along with the chuck fixed on the spindle,so relative rotational movement between them takes place when the lathe runs,and the centre bore drilling was effected. 由于鉆桿自身不旋轉,而工件被夾持在液壓卡盤(pán)上隨主軸一起旋轉,中心孔鉆相對工件產(chǎn)生相對旋轉運動(dòng),從而實(shí)現鉆削功能。
- The extension drill rod which can be used for higher capacity drill,the drill hole can be extended to sezeral meetrs, when drilling the straight hole,the core lifter can help coring. 選用加長(cháng)鉆桿于較大能力的鉆機，可將鉆孔延深至數米，鉆垂直孔時(shí)，可采用取芯器配合取芯。
- The rig is equipped with an upper spherical jaw holding mechanism and hexagonal drive drilling rod which can be replaced without shutdown, high efficiency, safe and reliable. 鉆機配有上球卡式夾持機構并帶有六方主動(dòng)鉆桿,可實(shí)行不停機倒桿,工作效率高,安全可靠。
- Model QW50A Air Operated Slips is a wellhead tools. Mainly used to clipping tubing and drilling rod which raise or put down at well repairing service operation. QW50A氣動(dòng)卡瓦是油田修井作業(yè)時(shí)，安裝在井口上用于卡緊油管及類(lèi)似管柱的一種工具。
- Dongfang Drill Rod Factory in Yanggu County.Shandong province,one of the "hi-new technology enterprise in Shandong procince",id specialized in manufacturing various complete stone drilling tooling. 山東陽(yáng)谷縣東方釬具廠(chǎng)是生產(chǎn)各種配套鑿巖釬具的專(zhuān)業(yè)生產(chǎn)廠(chǎng)，系“山東省高新技術(shù)企業(yè)”。
- I bought a new fishing rod last Sunday. 上星期日我新買(mǎi)了一個(gè)魚(yú)竿。
- THE DETER MINATION OF CRITICAL CRACK ON WELD AND HAZ OF DRILL ROD 鉆桿焊縫及熱影響區裂紋容限的確定
- At six we were fallen in for drill. 六點(diǎn)鐘我們站好隊準備操練。
- Welded drill rod and bit for low-compressive strength rock 焊接結構軟巖鉆桿與鉆頭
- Ultrasonic detection of corrosions in the internal walls of oil drill rods is described including the principle, method and technology. Experimental results show that it is feasible and effective. 介紹石油鉆桿內壁腐蝕缺陷超聲檢測的原理、方法及工藝,給出了實(shí)驗結果。結果表明,該方法檢測鉆桿內壁腐蝕缺陷是行之有效的。
- The movable target on a leveling rod. 視準器水準尺上可移動(dòng)的目標
