CRANE RUNWAY STRUCTURE Russian patent published in 2004 - IPC

FIELD: mechanical engineering; cranes. SUBSTANCE: proposed structure contains crane runway beam and columns installed on foundation. Column, being central on section of two spans of crane runway beam, is rigidly connected with the latter by 1-beam connected by web with angles rolled to radius or smooth curve and providing connection of 1-beam with lower girder of crane runway beam and said column. Crane runway beam is provided with support ribs in zone of contact with ends of 1- beam. Support ribs are made of angles rolled to smooth curve or radius. Base of column is provided with jack beam for hydraulic jack to be installed in center of column under in recess of foundation to force foundation out of soil. Jack beam is rigidly connected with column foundation by anchor bolts. EFFECT: increased service life of crane runway structure. 7 dwg