Fatigue detection equipment for film clamping chain spring

The utility model relates to the field of chain processing, and particularly discloses fatigue detection equipment for a film clamping chain spring. The fatigue detection equipment comprises a machine base, an execution module, a driving module and a detection unit, the execution module comprises an installation sliding block and a plurality of test assemblies. The test assembly comprises a first mounting seat and a second mounting seat, the first mounting seat is arranged on the mounting sliding block, and the second mounting seat is arranged on the base; the driving module comprises a power unit and a transmission assembly, and the transmission assembly comprises a four-bar transmission mechanism; the power unit is connected with the rack and drives the first mounting seat to move relative to the second mounting seat through the four-bar transmission mechanism; and the detection device is used for recording the stretching times of the spring and the real-time elastic force change of the spring. According to