Pre-tensioning plate girder track movable steel beam integral tensioning device

• Main Authors: LIU YIKAI, HUANG LONG, WANG LIQING, ZHOU GANG, SONG LEI, NIU HAO, LIAO WEIWEI, LIU PENG, YE ZEHUA, XIE SHILIANG, SUN GUIXIN, LIU YUANWEI
• Format: Patent
• Language: Chinese; English
• Published: 13.11.2013
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model relates to a pre-tensioning plate girder track movable steel beam integral tensioning device which comprises a tensioning end fixed steel beam, an anchoring end fixed steel beam, steel strands, beam manufacturing pedestals, force conducting columns, a track movable platform and up-down adjusting steel plates. The beam manufacturing pedestals are arranged between the tensioning end fixed steel beam and the anchoring end fixed steel beam, the force conducting columns are arranged on one sides of all the beam manufacturing pedestals, the track movable platform is arranged on one side of the tensioning end fixed steel beam, and the up-down adjusting plates are connected to the tensioning end fixed steel beam, the anchoring end fixed steel beam and a jack movable beam in a buckling mode. Each steel strand is provided with two double connectors, and in addition, a single connector, three sections of precision-rolled twisted steel and a pre-tensioning plate lifting device are arranged so that multi