Steel billet clamp single-billet and double-billet clamping swing block adjusting device

The invention provides a steel billet clamp single-billet and double-billet clamping swing block adjusting device. The specific structure of the device is characterized in that two rectangular guide columns and two rectangular guide cylinder mechanisms are assembled in the middle of a lower beam foundation piece of a crane hoisting large-scale steel billet mechanical clamp; and four cantilever swinging cushion blocks are fixedly connected to the two sides of the lower beam foundation piece, the positioning height of a guide column supporting wheel on the top of a steel billet is controlled byadjusting the distance of insertion or exiting from the position between the two guide columns and the two guide cylinders of the cantilever swinging cushion blocks, so that a clamp opening and closing device is closed, and clamping number changing between single billet and double billets. According to the adjusting device, the number of the steel billets clamped by the large-scale steel billet clamp once is adjusted conv