Mounting structure of RTO furnace electric heating device

The utility model discloses an installation structure of an RTO furnace electric heating device. The electric heating device comprises exposed electric heating wires serving as heating bodies, an upper supporting plate and a lower supporting plate, the upper supporting plate and the lower supporting plate are installed in a frame, a plurality of fixing rods are fixed between the upper supporting plate and the lower supporting plate, a ceramic disc is fixedly installed on each fixing rod, the electric heating wires are connected to the ceramic discs on the fixing rods in series to form a plurality of electric heating components, and the electric heating components are arranged on the frame. All the electric heating components are mutually connected to form an electric heating unit. By the adoption of the structure, installation is very convenient, the electric heating wires can be directly installed in the frame only by being connected to the fixed ceramic plates in series, time and labor are saved during inst