| 摘要 |
<p>Provided are: a railroad vehicle comprising a collision energy absorption structure requiring a reduced space and capable of reliably absorbing a large amount of energy; a passageway opening frame; and a collision energy absorption structure. A collision energy absorption structure is configured in such a manner that a passageway opening frame (50), which is provided with energy absorption members provided in a form in which the energy absorption members are separated from each other in the longitudinal direction and are fitted to the inside of the passageway opening frame (50), is disposed along the peripheral edge of the passageway opening at each of both ends of a railroad vehicle and is joined to a vestibule diaphragm frame (70) by fastening parts (120) through the energy absorption members. As a result of the configuration, the passageway opening frame (50) has both a function of forming the passageway opening and a function of absorbing collision energy, and this can reduce the space which the collision energy absorption structure occupies. In addition, the energy absorption members are arranged in a planar shape along the passageway opening frame (50), and as a result, the energy absorption members can reliably absorb collision energy without totally buckling.</p> |
