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1. 发明公开

EP2035645A1 MICROTUNNELLING SYSTEM AND APPARATUS 有权转让
标题翻译：微通道系统和设备
公开(公告)号：EP2035645A1
公开(公告)日：2009-03-18
申请号：EP06760972.7
申请日：2006-08-08
申请人： Harrofam Pty Ltd , Rex Industrial Services Pty Ltd
发明人： SALINS, Andis , HARRISON, Stuart
IPC分类号： E21B7/08 , E21B7/04 , E21B7/20 , E21B7/30 , E21B10/00 , E21B12/00 , E21B21/12 , E21D9/08 , E21B7/28 , E21B17/18
CPC分类号： E21B7/046 , E21B7/06 , E21B7/20 , E21B17/18 , E21B21/12
摘要： A microtunnelling apparatus and system that includes an external drive system having rotational and linear thrust drive means, a drill head section (20) having drill rotor (21) and drill rod (22) and connecting to intermediate drill rods (41) allowing extension of the boring hole created by the drill head section driven by the drive system. The drill head (20) includes a modular construction having a plurality of circular disc like elements, a bearing module M1, a steering module M2, a spacer module M3, and a mounting module M4, for axial alignment and abutment and mounting within a cylindrical steering shell M6. Directional steering of the drill head (20) includes a plurality of substantially radially extending channels in steering module M2, each with an hydraulically movable protuberance movable by control means to redirect the outer steering casing M6 and thereby redirect the drill head section mounted on the distal end of the drill rods.
摘要翻译：一种微隧道设备和系统，其包括具有旋转和线性推力驱动装置的外部驱动系统，具有钻孔转子（21）和钻杆（22）并连接到中间钻杆（41）的钻头部分（20）由驱动系统驱动的钻头部分产生的钻孔。钻头20包括具有多个圆盘状元件的模块结构，轴承模块M1，转向模块M2，间隔模块M3以及安装模块M4，用于轴向对齐并邻接并安装在圆柱形转向外壳M6。钻头（20）的定向转向包括转向模块M2中的多个基本上径向延伸的通道，每个通道具有可通过控制装置移动的液压可移动突起以重新引导外转向壳体M6并由此改变安装在远端的钻头部分钻杆末端。

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