1) power head
动力头
1.
Horizontal direction drilling machine power head construction optimize analysis and test research;
水平定向钻机动力头结构优化分析与试验研究
2.
The mechanical analysis and the cutting analysis for power head are done.
分析了曲轴的机械加工要求和特点,设计了一种一次装夹的组合钻床,给出了总体设计结构和各部件的组成;对钻削动力头进行了动力分析和切削分析,详细推导了切削力、切削扭矩和切削功率的计算公式,确定了钻削动力头的功率范围;最后分析了钻削主轴结构及夹具定位系统,给出了钻孔主轴的设计规范及直径的计算公式,并阐述了夹具系统总体设计上的几点考虑。
3.
A protecting joint is added at power head rod joint in order to prevent power head rod joint abrasion when rod is screwed or unscrewed.
在拧卸钻杆时为了保护动力头钻杆接头,防止其磨损,通常的做法是在该接头处联接一个保护接头。
2) power unit
动力头
1.
It is dificult to set up a mathematical model to describe working process of power unit system and predict its performance.
由于钻机动力头的设计存在着复杂性与多变性 ,难以用一系列的数学公式表达。
2.
The relation between parameters suce as diameter,length,lead of the mobile ground anchor and properties of physical mechanics of soil,etc with driving torque of power unit of the mobile ground anchor vehicle is described through theoretic calculation methods and experience formulae.
通过理论计算方法与经验公式描述了地锚的直径、长度、导程和土壤的物理力学性质等参数与地锚车动力头输出扭矩的关系。
3.
The paper emphatically introduced current horizontal directional drilling rig both in China and abroad about the transmission and driving mode of the power unit,feeding mode of feeding mechanism,clamping and loosing device,the chassis and the mechanism of drill stem mounting & dismounting device with the analysis on their advantages and disadvantages.
着重介绍了目前国内外水平定向钻机的动力头传动和驱动方式,给进机构的给进方式,夹持-拧卸装置、底盘、钻杆装卸装置的机构,并分析了它们的优缺点。
3) Driving head
动力头
1.
Optimal design of driving head of hydraulic drill for underground anchorage;
液压土锚钻机动力头优化设计
2.
Aiming at the problem that rotary roofbolters are not suitable for hard terrane,the valveless hydraulic impact-rotary driving head of roofbolter was proposed.
针对旋转式锚杆钻机不适用于坚硬岩层的问题,提出了无阀液压冲击旋转型锚杆钻机动力头结构。
3.
JDY-1500 drilling rig is a kind of driving head drill with fully hydraulic driving and long feeding.
JDY-1500型全液压动力头岩心钻机是全液压驱动、长给进行程的动力式钻机。
4) power sub
动力接头
5) sub-head power
动力副头
1.
The method of CNC boring machine processing drilling pump rack,by rotating precision of CNC boring machine,the sub-head power is used to process for improving the rack shape and location of processing accuracy,so efficiency is improved.
介绍了在数控镗床上加工钻井泵机架的方法,包括利用数控镗床的回转精度并采用动力副头加工,提高机架加工的形状和位置精度及工作效率;利用数控镗床攻丝装置等辅助刀具和重要加工工序的数控编程及机架加工工艺等。
6) pneumatic unit head
气动动力头
补充资料：动力头钻机施工边坡加固孔
动力头钻机施工边坡加固孔
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说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条