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Construction method and device of suspended steel truss platform
The invention relates to a construction method and device of a suspended steel truss platform. The device comprises the suspended steel truss platform, a steel column, cross beams, pulleys, a sling and winches. The steel column is fixed to the upper end of a concrete bin wall, the cross beams are fixed to the steel column, and the ends, on the outer side of the bin wall, of the cross beams are fixedly connected with an outer operation platform. The ends, on the inner side of the bin wall, of the cross beams are provided with the pulleys. The winches are installed on the suspended steel truss platform. One end of the sling is connected with the winches, the other end of the sling is wound around the pulleys and connected with the upper chord mid-span position of the suspended steel truss platform, and a plurality of telescopic roller devices are evenly distributed on the outer ring of the suspended steel truss platform in the circumferential direction. The device has the beneficial effects that an inhaul cable is used in the middle of a truss for assistance and suspended on a pre-buried tension joint on the top of the vertical wall, the bearing capacity of the suspended truss is improved, and deflection deformation is eliminated. Telescopic rollers are arranged on the outer circle of the suspended steel truss platform in the circumferential direction to prevent the suspended steel truss platform from being stuck in the descending process.
一种悬支式钢桁架平台的施工方法及装置，包括悬支式钢桁架平台、钢构柱、横梁、滑轮、吊索、卷扬，钢构柱固定在混凝土仓壁的上端，横梁固定在钢构柱上，横梁在仓壁外侧一端固定连接外操作平台，横梁在仓壁内侧一端安装有滑轮，卷扬安装在悬支式钢桁架平台上，吊索的一端连接卷扬，另一端绕过滑轮连接悬支式钢桁架平台的上弦跨中位置处，悬支式钢桁架平台的外圆上沿圆周方向均布有若干个伸缩滚轮装置。本发明的有益效果是：在桁架中部辅以拉索，悬挂于竖壁顶部预埋拉结点上，提升悬支式桁架的承载能力，消除挠度变形。悬支式钢桁架平台圆周外圆设置伸缩滚轮，防止悬支式钢桁架平台在下降的过程中卡阻。
Construction method and device of suspended steel truss platform
The invention relates to a construction method and device of a suspended steel truss platform. The device comprises the suspended steel truss platform, a steel column, cross beams, pulleys, a sling and winches. The steel column is fixed to the upper end of a concrete bin wall, the cross beams are fixed to the steel column, and the ends, on the outer side of the bin wall, of the cross beams are fixedly connected with an outer operation platform. The ends, on the inner side of the bin wall, of the cross beams are provided with the pulleys. The winches are installed on the suspended steel truss platform. One end of the sling is connected with the winches, the other end of the sling is wound around the pulleys and connected with the upper chord mid-span position of the suspended steel truss platform, and a plurality of telescopic roller devices are evenly distributed on the outer ring of the suspended steel truss platform in the circumferential direction. The device has the beneficial effects that an inhaul cable is used in the middle of a truss for assistance and suspended on a pre-buried tension joint on the top of the vertical wall, the bearing capacity of the suspended truss is improved, and deflection deformation is eliminated. Telescopic rollers are arranged on the outer circle of the suspended steel truss platform in the circumferential direction to prevent the suspended steel truss platform from being stuck in the descending process.
一种悬支式钢桁架平台的施工方法及装置，包括悬支式钢桁架平台、钢构柱、横梁、滑轮、吊索、卷扬，钢构柱固定在混凝土仓壁的上端，横梁固定在钢构柱上，横梁在仓壁外侧一端固定连接外操作平台，横梁在仓壁内侧一端安装有滑轮，卷扬安装在悬支式钢桁架平台上，吊索的一端连接卷扬，另一端绕过滑轮连接悬支式钢桁架平台的上弦跨中位置处，悬支式钢桁架平台的外圆上沿圆周方向均布有若干个伸缩滚轮装置。本发明的有益效果是：在桁架中部辅以拉索，悬挂于竖壁顶部预埋拉结点上，提升悬支式桁架的承载能力，消除挠度变形。悬支式钢桁架平台圆周外圆设置伸缩滚轮，防止悬支式钢桁架平台在下降的过程中卡阻。
Construction method and device of suspended steel truss platform
一种悬支式钢桁架平台的施工方法及装置
CONG FENG (author) / XU XUEJUN (author) / LIU XU (author) / MENG JIANG (author) / ZHANG FENG (author)
2020-09-11
Patent
Electronic Resource
Chinese
IPC:
E04G
SCAFFOLDING
,
Baugerüste
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