LOAD-LIFTING APPARATUS FOR TRANSFERRING BLANKS Russian patent published in 2007 - IPC B21B39/00 

FIELD: production of rolled tubes, namely systems for transferring blanks, mainly cylindrical ones to rolling mill.

SUBSTANCE: lifting apparatus for transferring blanks includes car provided with motion drive and carrying yoke having fixed and movable grips; drive unit for closing grips and drive unit for lifting yoke mounted on car. One pair of car wheels is driven from electric motor and other pair of car wheels is idle. П-shaped vertical frame is mounted on car in port at side of idle wheels of car and it rests upon car through two inclined beams. Yoke with grips is suspended on ends of said vertical frame with possibility of rocking. Fixed grip is secured to yoke itself and movable grip is jointly mounted on yoke. Each grip has upper and lower jaws being continuous along width of yoke and inclined by angle 25-35° relative to vertical plane. Lower jaws of fixed grip are normal relative to yoke rocking plane. Drive unit for closing grips is mounted on yoke and it is jointly secured to it. Drive unit for lifting yoke includes two drive sprockets and chains embracing them and jointly secured to yoke.

EFFECT: high-quality gripping and clamping of wide assortment of blanks with shifted gravity center from continuous roller table for transferring them to rolling mill in order to provide its non-stop operation.

5 dwg