Rubber tube fatigue test device

The invention relates to the technical field of mechanical test tools, in particular to a rubber tube fatigue test device which comprises a support, a pressurization assembly, a pulley assembly and a power assembly, the pressurization assembly is installed on the support, and the pressurization assembly is provided with a rubber tube connector; the pulley assembly comprises a first pulley, a first balance weight part and a first sliding rail which is vertically arranged, the first sliding rail is fixed on a support, the first pulley and the first balance weight part are both slidably connected to the first sliding rail, and the first balance weight part is provided with a rubber tube fixing part; the power assembly is connected with the first pulley and can drive the first pulley to slide on the first sliding rail. According to the technical scheme, the tensile force is applied to the rubber tube through the first balance weight piece, the mass of the first balance weight piece is determined ...