Fire watching device of float glass melting furnace

The utility model belongs to the technical field of a smelting furnace temperature observation device, and particularly relates to a fire watching device of a float glass melting furnace. The fire watching device of the float glass melting furnace comprises a guide mechanism and a matched movement mechanism, wherein the guide mechanism comprises a frame support rack which is fixed at the lateral wall of a melting furnace; the frame support rack comprises an upper lead rail and a lower lead rail; the upper lead rail and the lower lead rail are horizontally arranged and parallel to each other; the movement mechanism comprises a crawling ladder, a platform and a frame rack; the crawling ladder is connected with the platform; the platform is connected with the frame rack to form a containing cavity; a walking wheel matched with the lower lead rail is arranged on the platform; and a tipping prevention wheel matched with the upper lead rail is arranged on the frame rack. The fire watching device of the float glass