RAILWAY TAN CAR BARREL Russian patent published in 2003 - IPC

FIELD: railway transport. SUBSTANCE: proposed tank car barrel includes main cylindrical shell with two bottom plates and hatch, and additional reservoir in middle part of barrel formed by cylindrical semishell is coupled with main shell by means of conical adapters. Barrel is furnished with frames consisting of arc-shaped sections arranged symmetrically relative to vertical axis of hatch and secured on main cylindrical shell. Upper sections of frame are secured on main shell from outside and lower sections of frames are secured on main shell from outside and in barrel from inside, and side sections of frames are secured inside main shell. Arc-shaped sections of frames are secured with overlapping from different sides of main shell. Frames are made of U-sections members, and side arc-shaped sections of frames, secured inside main shell, are provided with reinforcement cover plates. EFFECT: improved reliability and increased strength of barrel with no stress concentration zones. 4 cl, 3 dwg