Plate test fixture for fatigue testing machine

The utility model discloses a plate test fixture for a fatigue testing machine, which comprises a pair of fixtures which are oppositely arranged in parallel, each fixture comprises a T-shaped clamping part and a right trapezoid stress part which are integrally formed, the T-shaped surface of the T-shaped clamping part is a clamping surface, and the inclined waist surface of the right trapezoid stress part is a stress surface. The back-to-back surface of the clamping surface of the T-shaped clamping part and the right-angle waist surface of the right-angle trapezoidal stress part are connected into a whole, the lower ends of the T-shaped clamping part and the right-angle trapezoidal stress part vertically extend downwards to form a clamp base part, and cylindrical connecting lugs with annular grooves in the middle parts are symmetrically arranged on the upper parts of the front surface and the rear surface of the right-angle trapezoidal stress part. The utility model has a simple structure, and is very applica