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61. 发明授权

US06637525B2 Ground drilling machine and rod exchanger utilized therefor 失效
标题翻译：地面钻孔机和杆式换热器
公开(公告)号：US06637525B2
公开(公告)日：2003-10-28
申请号：US09988410
申请日：2001-11-19
申请人： Kentaro Watanabe , Toyohiko Youan , Kazuyuki Yamazaki , Tooru Hishiyama
发明人： Kentaro Watanabe , Toyohiko Youan , Kazuyuki Yamazaki , Tooru Hishiyama
IPC分类号： E21B1914
CPC分类号： E21B7/046 , E21B19/146 , E21B19/20
摘要： A ground drilling machine includes a machine body a rod propelling device, a rod exchanging device and a support unit provided for the machine body for supporting the rod exchanging device. The rod propelling device has a frame movably mounted to the machine body. The frame is slidable on a support portion provided for the machine body. The rod exchanging device is attached to the frame of the rod propelling device via a transverse mounting member. The rod exchanging device is also supported on the support unit so as to be slidable on the support unit along with the movement of the rod propelling device without changing of its relative position to the rod propelling device. The rod exchanging device can be made light and compact because the rod exchanging device is supported by the support unit which is provided for the machine body and accordingly a large bending load is not applied to the main body portion of the rod exchanging device.
摘要翻译：地面钻孔机包括机体，杆推进装置，杆交换装置和为机体提供的用于支撑杆交换装置的支撑单元。杆推进装置具有可移动地安装到机体的框架。框架可在设置在机体上的支撑部分上滑动。杆交换装置通过横向安装构件附接到杆推动装置的框架。杆更换装置也支撑在支撑单元上，以便随着杆推动装置的运动而可在支撑单元上滑动，而不改变其与杆推动装置的相对位置。由于杆更换装置由为机体提供的支撑单元支撑，因此杆更换装置可以制造得轻巧紧凑，因此不会对杆更换装置的主体部分施加大的弯曲载荷。

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