1) the hole slanting reason
孔斜原因
2) cause of ramp-hole
孔斜成因
1.
The article mainly discusses the cause of ramp-hole and its blights,introduces the prevention and treatment measures,and brings forward some suggestions to guarantee the drilling direction.
文章着重探讨孔斜成因及其不良影响,介绍了孔斜的预防和处理措施,对保证钻孔方向的重要性提出了一些建议。
5) Slant hole
斜孔
1.
In order to content the need for drilling slant holes of different angles, the suspend-arm type tower is designed according to the machinery characteristics of XY series drilling machine.
根据XY系列钻机的结构特点,设计了吊臂式钻塔,以满足不同倾角斜孔施工对钻塔的要求,重点介绍了该钻塔的设计应用及在60°斜孔施工中的适应性。
6) hole deviation
孔斜
1.
Curtain grouting design for Zhongguan iron mine demands big depth and high verticality,but under the complex geological and hydrological conditions,borehole deviation is serious.
在分析孔斜原因的基础上,介绍了该工程的防斜、纠斜技术措施和取得的效果。
2.
Also it is difficult to control hole deviation.
因此,钻进效率低,回次进尺短,孔斜不易控制。
3.
This paper introduces the examination of compound pile foundation,the principle of grouting reinforcement and the construction technology,and elaborates the common problems of the drill hole deviation s prevention in the process of drilling holes and taking cores.
文章论述了桩基复合检测、灌浆加固的原理、施工工艺和钻孔抽芯过程中常见的孔斜防治问题,并结合实例分析了事故原因,提出了应注意的问题。
补充资料：斜楔式侧孔冲模
工件套在件6上用件9上的台阶定位，而件9用件18防转并且起到圆周方向定位的作用，当上模下行时，件5先将工件压牢，上模继续下行时，由斜楔4推动件11和装在件11上的件8完成冲孔工作。当上模上升时件11在件4的作用下退回，按下件16，工件由与件16相连的件9顶出．
工件图
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