Connecting structure of hinge-free steel truss arch and arch support

The utility model discloses a connecting structure of a hinge-free steel truss arch and an arch support. The arch support comprises a bearing plate, the bearing plate is connected to the surface of the arch support through a framework pre-buried in the arch support, the framework is connected into the arch support through a framework connecting system, the top face of the bearing plate is connected with the end face of an arch foot chord member, and an enclosure structure is arranged on the top face of the bearing plate along the periphery of the arch foot chord member. The dead weight of thechord member can be effectively reduced; cost saving, turnover adjusting and positioning convenience, hoisting convenient for construction, moreover, the bearing plate and the arch foot chord member are high in machining precision; the arch springing chord members are installed and positioned through connection of the bearing plates and the framework. The mounting structure is simple in structure,convenient to mount, high