Clamping device suitable for clamping end quenching sample

The utility model discloses a clamping appliance suitable for clamping an end quenching sample, which comprises two clamping pieces and a connecting piece, each clamping piece is respectively provided with a clamping head and a holding part, and each clamping head is provided with a clamping part and a positioning part. The clamping device has an open state and a closed state, when the clamping device is in the closed state, the clamping part can clamp the outer side face of the flange in a matched mode, and the positioning part can position the upper surface and the lower surface of the flange. According to the clamping device suitable for clamping the end quenching sample, the flange can be accurately positioned, the flange is locked in the groove of the clamping head, the sample is prevented from sliding off in the moving process, the safety of an experiment is improved, and personal injury is reduced. In addition, the contact area between the clamping device and the flange is small, so that the heat loss