Heating device for fire-fighting fire resistance test

The utility model provides a heating device for a fire-fighting fire resistance test, which belongs to the technical field of test appliances and comprises a bottom plate, a heater is connected to the middle of the upper portion of the bottom plate, supporting blocks are connected to the two ends of the upper portion of the bottom plate, and two fixing assemblies used for fixing the position of a test article are symmetrically arranged between the two supporting blocks. A power assembly used for driving the fixing assembly to work is arranged in the supporting block. The fixing assembly comprises a second clamp connected between the two supporting blocks, a first clamp sliding between the two supporting blocks is arranged on the second clamp, and the heater is located in the middle of the lower portion of the first clamp and the middle of the lower portion of the second clamp. According to the utility model, the position of the test article can be limited by utilizing the fixing assembly, so that the test art