Multi-type throwing roller

A multi-type drawing roller belongs to the technical field of metallurgy and vertical continuous casting of round billets or hollow round billets, and each group of multi-type drawing rollers comprises a fixed support, a bracket and a plurality of rollers. And the hydraulic cylinder is connected with the fixed support and the bracket. A bearing box and a transmission box are arranged on the two sides of the support. A plurality of rollers are arranged in the support. And the roller bearing and the roller bearing seat are arranged in the bearing box and the transmission box. And a roller gear on the roller shaft is meshed with the middle reversing gear. And the roller gear, the middle reversing gear and the middle reversing gear shaft are arranged in the transmission box. The multi-type throwing rollers can be divided into three groups which are uniformly arranged on the circumference at an angle of 120 degrees. The transmission case and the bearing box are provided with cooling water pipes. Space occupied by