发明名称 |
BRIDGE SPAN REPLACEMENT METHOD |
摘要 |
<p>A vertically-adjustable gantry assembly installation adapted for removal or placement of a train bridge-span of the type which spans and is supported by two piers, comprises a gantry assembly positioned on load-bearing first ground-support locations, the gantry assembly comprising a gantry and a ground-engaging vertical support and lift system, the vertical support and lift system adapted for supporting a combined weight of the gantry and a bridge span in at least one operational vertical position above respective bridge span support-surfaces of the piers including a position corresponding to a disembarking plane in which the leg portions are extended from a stowed position to an extent at least sufficient for the gantry assembly to self-liftoff the pre-installation conveyance system onto the first ground-support locations to effect the gantry assembly installation.</p> |
申请公布号 |
CA2812336(A1) |
申请公布日期 |
2014.09.06 |
申请号 |
CA20132812336 |
申请日期 |
2013.04.08 |
申请人 |
WESTERN MECHANICAL ELECTRICAL MILLWRIGHT SERVICESLIMITED |
发明人 |
CARNEY, MARK;DOUCET, ROB;EISSES, LARRY |
分类号 |
E01D22/00;B66C6/00;B66C17/06;E01D21/00 |
主分类号 |
E01D22/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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