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- The Development of Multi-Layer and Telescopic Drilling Rod 最新研製的國產多層伸縮鑽桿
- Integral Short Drill Rod Type DZ. 型整體式短鑽桿。
- 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. 該機工作過程中鑽具的旋轉、推進、起拔以及鑽桿傾角的調整和固定等動作全部採用液壓傳動方式實現;
- Is the earliest Chinese manufacturer of the aluminium alloy cooling rods for the drill rod welding in the PTC industry. 公司以紮實的科研力量為依託,雄厚的生產實力為基礎。
- The floating Rotary Head avoids abnormally wearing of drill rods' threads. 滑動式動力頭,避免鑽桿絲扣的非正常磨損;
- The floating trailing plates avoid abnormally wearing of drill rods' threads. 浮動式動力頭拖板,避免鑽桿絲扣的非正常磨損;
- Design of a Rotating Mechanism of Telescopic Drill Arm 一種可伸縮式鑽臂迴轉機構設計
- Rotary drill rod used for coal mining roofbolter 煤礦錨桿鑽機用迴轉鑽桿
- Shape and dimension of shank for drill rod 鑿岩機導桿形狀及尺寸
- 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. 由於鑽桿自身不旋轉,而工件被夾持在液壓卡盤上隨主軸一起旋轉,中心孔鑽相對工件產生相對旋轉運動,從而實現鑽削功能。
- 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. 選用加長鑽桿於較大能力的鑽機,可將鑽孔延深至數米,鑽垂直孔時,可採用取芯器配合取芯。
- 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. 鑽機配有上球卡式夾持機構並帶有六方主動鑽桿,可實行不停機倒桿,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氣動卡瓦是油田修井作業時,安裝在井口上用於卡緊油管及類似管柱的一種工具。
- 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. 山東陽谷縣東方釺具廠是生產各種配套鑿岩釺具的專業生產廠,系「山東省高新技術企業」。
- I bought a new fishing rod last Sunday. 上星期日我新買了一個魚竿。
- THE DETER MINATION OF CRITICAL CRACK ON WELD AND HAZ OF DRILL ROD 鑽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 焊接結構軟岩鑽桿與鑽頭
- 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. 介紹石油鑽桿內壁腐蝕缺陷超聲檢測的原理、方法及工藝,給出了實驗結果。結果表明,該方法檢測鑽桿內壁腐蝕缺陷是行之有效的。
- The movable target on a leveling rod. 視准器水準尺上可移動的目標