Pull-up testing device

The invention relates to the technical field of exercise equipment, in particular to a pull-up testing device which comprises a single-rod assembly and a protection mechanism, the single-rod assembly comprises a fixed rod, sliding rods and a cross rod, one end of the fixed rod is fixed to the ground, the sliding rods are connected to the outer wall of the fixed rod in a sleeving mode, the cross rod is fixedly connected between the two sliding rods, and the protection mechanism is arranged between the two sliding rods. The protection mechanism is arranged on the single-rod assembly, the protection mechanism comprises a connecting rod, a telescopic assembly, an air bag and an angle adjusting assembly, a fixing base is connected to the outer wall of the fixing rod, and one end of the connecting rod is rotationally connected into the fixing base. When an exerciser is exhausted and falls off from the single rod, the arranged air bag can protect the exerciser, and meanwhile, the arranged angle adjusting assembly is