发明名称 |
LIFTING ASSEMBLIES INCLUDING TRAPEZOIDAL STRONG BACK BEAM SYSTEMS |
摘要 |
Bridge crane assemblies, trapezoidal strong back beam systems and carriages for bridge crane assemblies are disclosed. According to some embodiments, a bridge crane assembly comprises a trapezoidal beam and a bridge attachable to an underside of the trapezoidal beam. The bridge comprises an attachment means for supporting a lifting device for the crane assembly. At least one guide track is attachable to a support structure and at least one carriage is longitudinally movable along the at least one guide track. Each carriage comprises a pair of spaced apart mounting plates and a plurality of rollers rotatably mounted to the mounting plates in a substantially vertical orientation. An axle extends between and is pivotaliy secured to the mounting plates. A displacement arm has a first end pivotaliy coupled to the axle and at least one second end for pivotal connection to the bridge.
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申请公布号 |
CA2743153(A1) |
申请公布日期 |
2009.05.28 |
申请号 |
CA20082743153 |
申请日期 |
2008.11.24 |
申请人 |
GLOBAL TRACK TECHNOLOGIES PTY LTD |
发明人 |
MCKAY, DOUGLAS MCGREGOR |
分类号 |
B66C5/00;B66C9/00;B66C17/00;B66C19/00 |
主分类号 |
B66C5/00 |
代理机构 |
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代理人 |
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主权项 |
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