This paper presented a design proposal of rotary steering tool and studied its mechanism in detail.
文中提出了一种旋转导向工具设计方案，并对其实现旋转导向的机理进行了深入研究。
A rotary steering tool scheme was developed, and its steering mechanism was investigated intensively in this paper.
提出了一种旋转导向工具设计方案，并对其实现旋转导向的机理进行了深入研究。
The results show that this kind of steering tool can not only realize the control of the magnitude and direction of the bias force, but also is simple in structure and high in reliability.
结果表明，这种导向工具设计方案不但能够实现旋转导向力方向和大小的有效控制，而且结构简单，可靠性好。
Mechanical design of stabilized platform unit is one of the key techniques in the rotary steering drilling tool.
稳定平台单元机械系统的设计是旋转导向钻井工具的关键和难点之一。
Meanwhile, this paper optimal design of steering mechanism, providing a quick calculation tool used to improve the design efficiency, but also provides theoretical support.
同时，通过本文对转向机构优化设计的研究，为企业提供了快捷使用的计算工具，提高了设计效率，同时也提供了理论支持。
One of the key problems of designing the control valve of modulation rotary steering drilling tool is the design of high pressure hole of upside valve.
设计调制式旋转导向钻井工具控制阀的关键问题之一是上盘阀高压孔的设计。
The invention relates to an automobile steering wheel disassembling tool for solving the problem of difficult disassembly of a steering wheel.
一种汽车方向盘拆卸工具，用于解决方向盘拆卸难的问题。
For a continuous steering drill tool assembly, because there is crew in it, any transient forced deformation has its special characters.
对于连续导向钻具组合来说，由于其弯螺杆的存在，使得其在任何一个瞬态的受力变形都有其独特的特征。
The steering assembly is the key tool of the downhole closed-loop drilling system, and its mechanics properties are the base of downhole closed-loop control.
作为井下闭环钻井系统核心部分的下部导向钻具组合的力学特性，则成为形成井下闭环控制的基础。
This paper gives the necessity of using steering drilling tool in directional well drilling in Jidong Oilfield through the analysis of the limits in using conventional BHA.
通过分析定向井使用常规钻具组合的局限性，提出在冀东油田定向钻井中引入导向钻具的必要性。
Rotating and positioning tool for axially symmetrical workpieces, especially for steering tie rods in motor vehicles.
旋转和定位轴对称工件的工具，特别是在汽车转向拉杆。
Application: Main shaft of machine tool, auto steering structure, main shaft of lathe, grinder, milling machine, drill press, water power dynamotor, tower crane, screw shaft and so on.
应用领域：车床，磨床，轧机，钻压机，水力发电机，塔吊，螺杆轴的主轴，汽车转向装置等。
Application: Main shaft of machine tool, auto steering structure, main shaft of lathe, grinder, milling machine, drill press, water power dynamotor, tower crane, screw shaft and so on.
应用领域：车床，磨床，轧机，钻压机，水力发电机，塔吊，螺杆轴的主轴，汽车转向装置等。
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