ASYMMETRICAL CRANE RUNWAY STRUCTURE Russian patent published in 2003 - IPC

FIELD: ferrous and nonferrous metallurgy. SUBSTANCE: invention relates to heavy duty cranes. Said crane runway structure asymmetrical in cross section has H-beam connected with horizontal brake beam. H-beam has upper made of tube, tilted wall and lower chord. Wall of crane runway beam is orientated in radius from center of tube and is inclined at acute angle to vertical. Brake beam has outer chord and brake sheet. EFFECT: reduced materials usage, provision of shock absorbing capacity of crane runway structure. 4 dwg