Testing device for evaluating interface bonding strength of refractory mortar

The utility model discloses a testing device for evaluating the interface bonding strength of refractory mortar, and belongs to the field of refractory materials. Comprising a high-temperature testing furnace, a universal material testing machine, a supporting device, an upper pressure head and a to-be-tested sample, the supporting device comprises a supporting block, a strip-shaped first containing groove is formed in the middle of the supporting block, the upper pressing head comprises a pressing block, a second containing groove is formed in the middle of the bottom of the pressing block, and pressurizing parts are arranged on the two sides of the second containing groove. The sample to be tested, the supporting device and the upper pressure head are positioned in the high-temperature test furnace. The device disclosed by the utility model can obviously improve the accuracy and the stability of the tensile bonding strength detection result of the high-temperature interface of the refractory mortar, is simp