| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a horizontal installation structure for a crawler crane which can install the crawler crane in a horizontal state on a sloping surface easily and inexpensively. <P>SOLUTION: The horizontal installation structure 10 is used for horizontally installing the crawler crane 40 used on the upward sloping surface by using an inclined gantry 11. The inclined gantry 11 comprises: belt plate-like iron plates laid on the sloping surface in the incline direction X; a pair of supporting racks 13 which are arranged along the side edge of both sides of the belt plate-like iron plate to support the side edge thereof and placed side by side while leaving such a space therebetween that a crawler 41 of the crawler crane 40 can be moved; and a pair of jack devices 14 which are arranged outside the pair of supporting racks 13 in the lower part in the incline direction X and used for raising and lowering the supporting racks 13 together with the belt plate-like iron plate. A wedge-shaped camber member 15 is arranged to be inserted into a gap between the belt plate-like iron plate which is raised by the jacking up of the jack device 14 and the sloping surface from below in the incline direction X. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
