Perspective opening protection system for pay-off hole

A perspective opening protection system for a pay-off hole comprises a glass perspective pay-off device and a protection cover plate arranged on the glass perspective pay-off device. The glass perspective pay-off device comprises a bottom-layer square steel frame, a middle tempered glass layer and an upper-layer square steel frame, the peripheral edge of the middle tempered glass layer is located between the bottom-layer square steel frame and the upper-layer square steel frame, and the top face and the bottom face of the edge are fixed to the upper-layer square steel frame and the bottom-layer square steel frame through silicone structural sealant. The protective cover plate comprises a stainless steel plate fixed to the upper-layer square steel frame, and one side of the stainless steel plate is hinged to the upper-layer square steel frame through a hinge. Labor is saved, the repeated utilization rate is high, materials can be made of construction leftover materials in projects, energy conservation and envi