Underframe Boundary Beam Connecting Structure Suitable for Railway Vehicle with Drum-Shaped Vehicle Body
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United States of America Patent
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Issued Date -
Oct 6, 2022
app pub date -
Nov 11, 2020
filing date -
Sep 24, 2020
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Abstract
An underframe boundary beam connecting structure suitable for a railway vehicle with a drum-shaped vehicle body is provided. An underframe boundary beam is a through long roll bending piece, a section of the through long roll bending piece is of a channel structure, and has a side face, an upper wing face, and a lower wing face. The side face has an inclination angle consistent with a side wall plate, an upper end of an outer side of the side face is provided with a concave platen, and the side wall plate is lapped on the concave platen and fixed by a butt welding; an inner end of the lower wing face is provided with a downwards vertical flanging, a vertical plate is welded and fixed between the upper wing face and the lower wing face.
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