Force value metrological verification testboard

The utility model discloses a force value metrological verification testboard which comprises a test box, an electric push rod is fixedly connected to the inner top of the test box, a metering instrument is fixedly connected to the bottom of the electric push rod, a hook is connected to the bottom of the metering instrument, a supporting seat is fixedly connected to the inner bottom of the test box, a rotating groove is formed in the supporting seat, and a clamping groove is formed in the rotating groove. A rotating groove is formed in the testing box, a threaded rod is rotationally connected into the rotating groove, the thread turning directions of the two sides of the central point of the horizontal axial section of the threaded rod are opposite, the threaded rod is sleeved with two clamping plates in a threaded mode, a limiting plate is fixedly connected into the testing box, and a limiting groove is formed in the limiting plate; according to the utility model, through the limiting assembly, a detected ob