Hoisting system for nuclear island construction of nuclear power engineering

The invention relates to a hoisting system for nuclear power project nuclear island construction, which is used for continuously arranging a plurality of nuclear power units along a straight line for construction, and is characterized by comprising a guide rail, the guide rail comprises a plurality of construction guide rail groups, the construction guide rail groups are used for being arranged perpendicular to the central line of a nuclear island, and one end of each construction guide rail group extends to a construction area of the unit; one end of each construction guide rail set is used for being connected with a crane, the other end of each construction guide rail set is used for extending to the outer side of a construction area of the unit, the parts, extending to the outer side of the construction area of the unit, of the construction guide rail sets are connected through transition guide rail sets perpendicular to the construction guide rail sets, and steering gantry cranes are arranged on the guide