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1. 发明授权

US5353940A Alignment system for crane works and method of alignment 失效
标题翻译：起重机作业对准系统及对准方法
公开(公告)号：US5353940A
公开(公告)日：1994-10-11
申请号：US001835
申请日：1993-01-08
申请人： David J. Pech , Jeff J. Jeske
发明人： David J. Pech , Jeff J. Jeske
IPC分类号： B66C23/26 , B66C23/36 , B66C23/62
CPC分类号： B66C23/62
摘要： A system for aligning a crane upper works with a crane lower works for redecking the upper works with the lower works comprises at least one roller operatively connected to at least one of the upper works and the lower works, and at least one surface operatively connected to at least one of the upper works and the lower works. The at least one roller is engagable with the at least one surface such that the roller moves along the surface under the influence of gravity for aligning the upper works with the lower works. A method for aligning a crane upper works with a crane lower works for redecking the upper works with the lower works is also provided. The method comprises the steps of: providing an upper works having a roller operatively associated therewith; providing a lower works having an alignment surface operatively associated therewith; positioning the upper works with respect to the lower works such that the roller engages the alignment surface; and moving the roller along the alignment surface under the influence of gravity to align the upper works with the lower works.
摘要翻译：用于使起重机上部工作与起重机对准的系统，用于使用下部工件来拆卸上部工件的下部工件包括操作地连接到上部工件和下部工件中的至少一个的至少一个辊，以及至少一个操作地连接到至少有一个上部作品和下部作品。所述至少一个辊可与所述至少一个表面接合，使得所述辊在重力的影响下沿着所述表面移动，以使所述上部工件与所述下部工件对准。还提供了一种用于将起重机上部工作与用于将下部工件拆卸的起重机下部工件对准的方法。该方法包括以下步骤：提供具有与之可操作地相关联的辊的上部工件; 提供具有与其可操作地相关联的对准表面的下部工件; 将上部工件相对于下部工件定位，使得辊接合对准表面; 并且在重力的影响下沿对准表面移动辊子以使上部工件与下部工件对准。

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