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实用新型
CN205422539U 一种双驱扩孔器 失效 - 权利终止

一种双驱扩孔器
摘要：
本实用新型公开了一种双驱扩孔器，包括扩孔器本体，所述扩孔器本体的泥浆钻入端设有与钻杆连接的连接杆，所述扩孔器本体的出浆端安装一个液压泥浆马达，液压泥浆马达朝向扩孔器本体的一端设有压力源入口，压力源入口通向液压泥浆马达的叶片，液压泥浆马达的输出轴与扩孔器本体的转轴连接，所述扩孔器本体、连接杆、液压泥浆马达同轴安装，在扩孔器的出浆端安装一个液压泥浆马达，使扩孔器动力充足，在扩孔时，能够一次性扩孔成功，缩短工期，节省了能源，减少了工程成本。
摘要（英）：

The utility model discloses a two enlargers that drive, including the enlarger body, the mud of enlarger body pierces the end and is equipped with the connecting rod of being connected with the drilling rod, hydraulic pressure mud motor of play thick liquid end installation of enlarger body, hydraulic pressure mud motor is equipped with the pressure source entry towards the one end of enlarger body, and the pressure source entry accesss to the blade of hydraulic pressure mud motor, and the output shaft and the pivot of enlarger body of hydraulic pressure mud motor are connected, enlarger body, connecting rod, hydraulic pressure mud motor coaxial arrangement, at hydraulic pressure mud motor of play thick liquid end installation of enlarger, messenger's enlarger power is sufficient, when the reaming, the success of reaming once only, the reduction of erection time, saved the energy, reduced engineering cost.

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