Adjustable simply supported beam impact testing machine

The utility model discloses an adjustable simply supported beam impact testing machine, which relates to the technical field of simply supported beam impact testing machines and comprises a base, an impact testing component is axially arranged on the upper end face of the base, a support positioned beside the impact testing component is fixedly mounted on the upper end face of the base, and accommodating grooves for accommodating samples are formed in two sides of the upper end face of the support. According to the adjustable simply supported beam impact testing machine, the pressing plate is pushed to move through the action of the driving part, the sample is clamped through the pressing plate, the sample is clamped through the pressing plate, the sample is clamped through the clamping plate, and the sample is clamped through the clamping plate; the possibility that the test sample falls off from the accommodating groove in the test process to influence the detection accuracy is reduced, and then the test sa