A connection structure for large -span steel structure

The utility model discloses a connection structure for large -span steel structure has solved owing to collision plate on the adjacent I -steel passes through a plurality of bolt fixed connection, leads to the installation and the problem that disassembling operation is complicated of adjacent I -steel, and its technical scheme main points are: including I -steel, main connector and vice connector, the both ends in the I -steel recess are located respectively with vice connector to main connector, main connector is pegged graft has the spliced pole, and the terminal surface that the spliced pole is close to the I -steel tip is equipped with the screw rod, spliced pole fixedly connected with limiting plate is equipped with the movable chamber who supplies the limiting plate to remove in themain connector, vice connector is equipped with towards the side of I -steel tip and supplies the connecting hole that the spliced pole was pegged graft on the adjacent I -steel, and the vice connector side of I -steel tip d