Bridge floor elevator for steel box girder installation: Fid-Bau Portal

Bridge floor elevator for steel box girder installation

LI HONGYUN / ZHAO JIANHUA / WU HAIPING / NIU ZHONG / GU YUCHENG

The invention provides a bridge floor elevator for steel box girder installation, and relates to the field of steel box girder installation. The lifting device comprises a main truss fixed to a concrete box girder and a lifting assembly used for lifting the steel box girder, the main truss and the concrete box girder are fixed through a connecting assembly, the lifting assembly comprises a supporting beam, a steel strand and a hydraulic jack, the supporting beam is fixed to the top of the main truss, and the hydraulic jack is arranged on the supporting beam. And the steel strand is connected between the hydraulic jack and the steel box girder. The construction method has the effect of improving the construction efficiency.

本申请提供了一种钢箱梁安装的桥面提升机，涉及钢箱梁安装领域。其包括：固定于混凝土箱梁上的主桁架以及用于对钢箱梁提升的提升组件，主桁架与混凝土箱梁之间通过连接组件固定，提升组件包括：支撑梁、钢绞线和液压千斤顶，支撑梁固定于主桁架的顶部，液压千斤顶设置于支撑梁上，钢绞线连接于液压千斤顶与钢箱梁之间。本申请具有提高施工效率的效果。

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