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1. 发明授权

US6105471A Bolt attaching and detaching device 失效
标题翻译：螺栓连接和拆卸装置
公开(公告)号：US6105471A
公开(公告)日：2000-08-22
申请号：US227194
申请日：1999-01-08
申请人： Kawano Takayuki , Shimamoto Takijiro
发明人： Kawano Takayuki , Shimamoto Takijiro
IPC分类号： B25B23/14 , B23P19/06 , B25B29/02 , F01D25/24 , F16B31/04 , B25B17/00
CPC分类号： B23P19/068 , B25B29/02 , F01D25/243
摘要： Provided is bolt attaching and detaching device for fastening and loosening bolt by heating the bolt by bolt heater inserted into central hole of the bolt by which fastening and loosening of the bolt can be done automatically without need of operator to watch or attend always. Bolt heater (9) is inserted into bolt hole (3) of bolt (4) for fastening flanges (1, 2) together. Upper nut (5) in thread engagement with the bolt (4) is given rotational force by nut rotating device (11) via drive belt (13). Measured value of elongation indicator (10) for measuring thermal elongation of the bolt (4) and rotating angle detecting signal of the nut rotating device (11) as well as predetermined elongation amount of the bolt (4) and predetermined rotating angle of the upper nut (5) from condition setting unit (18 are given to control unit (17). The control unit (17) controls bolt heater power source (16) as well as controls the nut rotating device (11) so that the upper nut (5) rotates in the predetermined angle.
摘要翻译：本发明提供一种用于通过插入螺栓中心孔的螺栓加热螺栓来加固螺栓的螺栓安装和拆卸装置，可以自动完成螺栓的紧固和松动，而不需要操作员始终观察或出席。螺栓加热器（9）插入螺栓（4）的螺栓孔（3）中，用于将法兰（1,2）紧固在一起。通过螺母旋转装置（11）经由传动带（13）给予与螺栓（4）螺纹接合的上螺母（5）的旋转力。用于测量螺栓（4）的热伸长的伸长率指示器（10）和螺母旋转装置（11）的旋转角度检测信号以及螺栓（4）的预定伸长量和上部预定旋转角度的测量值螺栓（5）从条件设定单元（18）送到控制单元（17），控制单元（17）控制螺栓加热器电源（16），并控制螺母旋转装置（11），使上螺母 5）以预定角度旋转。

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