| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an apparatus for straightening the bend of a wide flange beam, with which the recombining work of inner rolling rolls, an outer rolling roll and supporting devices that support them freely rotatably is performed easily. <P>SOLUTION: The apparatus includes: the inner rolling rolls 14, 15 for pressing down the inner surface of the left flange of the wide flange beam; the outer rolling roll 23 for pressing down the outer surface of the left flange; an inner rolling roll housing 12 for supporting the inner rolling rolls through bearings so that the axis of rotation is extended in the vertical direction thereof; an outer rolling roll housing 13 for supporting the outer rolling roll through bearings so that the axis of rotation is extended in the vertical direction thereof; a housing attaching and detaching part 26 for joining the inner rolling roll housing and the outer rolling roll housing separably; and housing moving means 30, 31 for making the inner rolling roll housing, which is released from joining by the housing attaching and detaching part, movable to the outside of the apparatus. <P>COPYRIGHT: (C)2013,JPO&INPIT |
