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- THE MICROSTRUCTURE AND MECHANICAL PROPERTY OF GEOLOGICAL DRILL ROD WELD JOINT FROM FRICTION WELDING 地质钻杆摩擦焊接组织和力学性能
- Geological drill rod 地质钻杆
- Integral Short Drill Rod Type DZ. 型整体式短钻杆。
- C. drive system, which consists of asynchronous electrical motor and frequency converter to the geological drill in the case of modelling rotation and hoisting. 实验结果表明:交流变频驱动系统其调速范围宽,驱动特性好,可实现带载频繁启动;
- 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. 该机工作过程中钻具的旋转、推进、起拔以及钻杆倾角的调整和固定等动作全部采用液压传动方式实现;
- Is the earliest Chinese manufacturer of the aluminium alloy cooling rods for the drill rod welding in the PTC industry. 公司以扎实的科研力量为依托,雄厚的生产实力为基础。
- The floating Rotary Head avoids abnormally wearing of drill rods' threads. 滑动式动力头,避免钻杆丝扣的非正常磨损;
- Seamless Steel Pipe For Geological Drill In 地质钻探用管
- The floating trailing plates avoid abnormally wearing of drill rods' threads. 浮动式动力头拖板,避免钻杆丝扣的非正常磨损;
- Rotary drill rod used for coal mining roofbolter 煤矿锚杆钻机用回转钻杆
- Furthermore, the cost-effective and well-organized geophysical exploration programs can significantly reduce the inherent risks and amounts of geological drillings. 同时还可以大大降低工程验证的盲目性和巨大浪费。
- Shape and dimension of shank for drill rod 凿岩机导杆形状及尺寸
- 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. 钻机配有上球卡式夹持机构并带有六方主动钻杆,可实行不停机倒杆,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气动卡瓦是油田修井作业时,安装在井口上用于卡紧油管及类似管柱的一种工具。
- 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. 由于钻杆自身不旋转,而工件被夹持在液压卡盘上随主轴一起旋转,中心孔钻相对工件产生相对旋转运动,从而实现钻削功能。
- A dismantling and assembling machine for four-leg drill derricks and a mechanically assembleddrill derrick have been developed, which are thought to the trend of the geologic drill derrick. 指出了目前钻塔拆装存在的缺点,提出了解决的新途径,研制成功了四腿钻塔拆装机及机装可逆式四腿管子钻塔,认为这是地质钻塔发展的新方向。
- 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. 选用加长钻杆于较大能力的钻机,可将钻孔延深至数米,钻垂直孔时,可采用取芯器配合取芯。
- 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. 山东阳谷县东方钎具厂是生产各种配套凿岩钎具的专业生产厂,系“山东省高新技术企业”。
- engineering geological drilling rig 工程地质钻机
- I bought a new fishing rod last Sunday. 上星期日我新买了一个鱼竿。