Building curtain wall mounting structure

The invention discloses a building curtain wall mounting structure, and relates to the field of curtain wall construction, the building curtain wall mounting structure comprises a vertical keel and a transverse keel, the vertical keel and the transverse keel form a mounting frame, a glass curtain wall comprises a glass body and a fixing frame, panels are inserted into the four side walls of the fixing frame, and inserting grooves allowing the panels to be inserted into are formed in the fixing frame; a clamping groove allowing the insert panel to be inserted is formed in the inner wall of the mounting frame, an electromagnetic chuck used for grabbing the glass curtain wall is slidably connected to the moving frame in the thickness direction of the fixing frame, and a second driving piece used for driving the insert panel to slide so as to be inserted into the clamping groove is arranged on the moving frame; through the moving frame and the electromagnetic chuck arranged on the moving frame, the embedded plate