High -speed wire rod duplex frame reducing sizing mill

The utility model provides a high -speed wire rod duplex frame reducing sizing mill, includes that two roll box, transmission case, gearbox of shifting, motor, the one set of manger plate protection casing and a decometer cut absolutely, the transmission case adopt the transmission of duplex frame integral type, two roll box install respectively and arrange with topcross 45 on two frame mouths of transmission case, become 90 between two frames of transmission case, the manger plate protection casing is installed at the transmission case outsidely, through first coupling joint, the gearbox of shifting passes through the second coupling joint with the motor, blocks to cut absolutely and fixes in the rolling mill entrance between transmission case and the gearbox of shifting. The gearbox of shifting adopt two grade high, low variable speed structures. The utility model discloses both can the rolling increase of production of closing, again can sizing rule circle, improve the quality, the gearbox of shifting adop