RAIL UNIT Russian patent published in 2003 - IPC

FIELD: crane tracks. SUBSTANCE: proposed rail unit is made of section 1 orientated with its wall upwards and two standard rails 2 installed symmetrically relative to wall of T-section 1. Foot of each rail 2 from side of T- section wall is cut flush with side surface of head of rail 2 and it rests on flange of T- section 1. Necks of rails 2 are connected to each other and to T-section 1 by hollow rivets 3 with fitted-in cores passed through necks of rails 2 and wall of t-section 1 combining rails 2 and T-shaped 1 into common rail unit. Butt joint of rail unit members is made with longitudinal shift relative to each other. EFFECT: increased service life and repairability of rail and crane beam. 4 dwg