| 摘要 |
PROBLEM TO BE SOLVED: To provide a bridge erecting device, which is used for a cantilever method and lightened and miniaturized. SOLUTION: In the bridge erecting device 1 composed of a movable type working truck 2 capable of moving on a bridge and having a trussed structure and a lifting device 4 supported by the movable working truck and constituted of a center hole jack 40 and a lifting jig 90 for an article to be lifted, the working truck and the lifting device have positioning means in at least one direction of the bridge longitudinal direction and bridge cross direction of the bridge worked in the case of the lifting of the article to be lifted while the lifting jig comprises a lifting beam 91 for the article to be lifted and lifting members 93 installed to the lifting beam, and the lifting beam has hydraulic cylinders 97, 98 for adjusting the relative positional relationship of the lifting member and the article to be lifted.
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