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发明公开
CN109861452A 一种海底钻井用永磁电机 审中-实审

一种海底钻井用永磁电机
摘要：
本发明公开了一种海底钻井用永磁电机，涉及永磁电机技术领域，包括下电机头、电机组件、中空转轴、止推轴承、上电机头和变径接头；下电机头的一端通过止推轴承与电机组件的一端连接，另一端与钻头连接，下电机头位于中空转轴的一端，为中空结构；上电机头的一端通过止推轴承与电机组件的另一端连接，另一端与变径接头的一端连接，上电机头位于中空转轴的另一端，为中空结构；变径接头的另一端与连续油管连接，变径接头为中空结构。本发明具有体积小、结构简单、能匹配不同尺寸钻头和连续油管的优点。
摘要（英）：

The invention discloses a permanent magnet motor for submarine drilling, and relates to the technical field of permanent magnet motors. The permanent magnet motor for submarine drilling comprises a lower motor head, a motor component, a hollow rotating shaft, a thrust bearing, an upper motor head and a reducer joint. One end of the lower motor head is connected with one end of the motor componentthrough the thrust bearing, and the other end is connected with a drill bit. The lower motor head is positioned on one end of the hollow rotating shaft, and is of a hollow structure. One end of the upper motor head is connected with the other end of the motor component through the thrust bearing, and the other end is connected with one end of the reducer joint. The upper motor head is positioned on the other end of the hollow rotating shaft, and is of a hollow structure. The other end of the reducer joint is connected with coiled tubing, and the reducer joint is of a hollow structure. The permanent magnet motor for submarine drilling has the advantages of the small volume and simple structure, and can match with drill bits and coiled tubing of different sizes.

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