| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile small-sized and light weight pre-cast floor slab erection machine used in changing work of a pre-cast floor slab of the existing bridge and eliminating assembly and disassembly in the case of transportation. SOLUTION: The pre-cast floor slab erection machine comprises a portal type structural body held by four legs, four non-rail type traveling devices mounting four legs of the portal type structural body, two rails arranged in the longitudinal direction and fixed to the lower part of a rectangular frame type frame of the upper part of the portal type structural body, a rectangular frame type movable rack suspending between two long sides of the frame type movable rack and capable of being moved along the rails, a horizontal beam erected between two long sides of the frame type movable rack and capable of being moved in the longitudinal direction of the frame type movable rack, a suspended device suspending the floor slab hung down to the horizontal beam, one arm placed to the lower part of the central part of one short side of a frame type frame of the upper part of the portal type structural body and capable of being pulled out in the horizontal direction and forward in the longitudinal direction of the frame type movable rack and a strut vertically provided to the front end of the arm. COPYRIGHT: (C)2005,JPO&NCIPI
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