Rapid and accurate positioning butt joint device for installation and construction of whole variable-cross-section steel box girder

• Main Authors: MAO CHONG, YU MINGGAO, CHEN QUN, FENG CHENGPENG, LI JIANG, WEI QI, CAI XIN
• Format: Patent
• Language: Chinese; English
• Published: 08.02.2022
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model discloses a rapid and accurate positioning butt joint device for installation and construction of a whole variable cross-section steel box girder, and relates to the technical field of steel box girder construction. Comprising a first steel box girder and a second steel box girder, alignment holes are formed in the first steel box girder and the second steel box girder, an alignment mechanism is arranged between the first steel box girder and the second steel box girder, a driving mechanism is arranged in the alignment hole of the first steel box girder, one end of the driving mechanism is connected with the alignment mechanism, the alignment mechanism comprises a rotating shaft, and one end of the rotating shaft is connected with a threaded rod; one end of the threaded rod is sleeved with a first hollow rotating disc, the other end of the threaded rod is sleeved with a hollow shaft, one end of the hollow shaft is sleeved with a second hollow rotating disc, and a supporting plate is arranged