Grinding and clamping device for gas-in-steel analysis sample

The utility model provides a grinding and clamping device for a gas in steel analysis sample, which is mounted on a bearing platform of an abrasive belt sample grinder and comprises a base, a base bolt hole and a movable supporting hole are respectively formed in the base, and a mounting hole is formed in one side, corresponding to the moving direction of abrasive belt paper, of the bearing platform of the abrasive belt sample grinder. The base is fixedly connected with the abrasive belt sample grinding machine bearing platform through the base bolt holes, the mounting holes and bolts; a clamping mechanism is hinged to the base through the movable supporting hole, and a sample clamping device used for clamping a sample is installed on the clamping mechanism. The device is simple in structural design, and a sample is easy to clamp; the sample grinding time is short, the grinding effect is good, the working efficiency is high, and the labor intensity is low; the sample does not need to be held by hands in the g