The invention provides auxiliary hoisting equipment and a hoisting method for a prefabricated box girder, relates to an auxiliary hoisting technology for the prefabricated box girder, and particularly discloses a suspension bracket suspended on a girder of a bridge girder erection machine, hoisting equipment is mounted at the top of the suspension bracket, and a suspension bracket main body is mounted in the suspension bracket; a guide mechanism used for guiding the hanging bracket body to move in the vertical direction is installed in the hanging bracket, the lifting end of the lifting device is detachably connected with the hanging bracket body, two clamping mechanisms used for clamping the precast beam are installed on the hanging bracket body, and two adjusting mechanisms used for adjusting the transverse movement of the clamping mechanisms are installed on the hanging bracket body. The guiding mechanism can ensure that the precast beam does not generate large-amplitude deflection in the lowering process, the adjusting mechanism allows the precast beam to move in the width direction of the precast beam when the precast beam is hung, the deflection mechanism enables the adjusting hanging seat to deflect relative to the hanging bracket body, and the installation angle of the precast beam is changed. And the precast beam can adapt to the mounting environment at the small curvature radius.
本发明提出了一种预制箱梁的辅助吊装设备及吊装方法,涉及预制箱梁辅助吊装技术,具体公开了悬挂在架桥机主梁上的悬挂架,悬挂架的顶部安装有起吊设备,悬挂架内安装有吊架主体,悬挂架内安装有用于引导吊架主体沿竖直方向运动的导向机构,起吊设备的起吊端与吊架主体可拆卸连接,吊架主体上安装有两组用于夹持预制梁的夹持机构,吊架主体上安装有两组分别用于调节夹持机构横向运动的调节机构;导向机构可保证预制梁在下放过程中不发生大幅度偏转,而调节机构允许预制梁在悬挂时沿预制梁的宽度方向移动,偏转机构使调节吊座相对于吊架主体做偏转运动,改变预制梁的安装角度,使预制梁能够适应在小曲率半径处的安装环境。
Auxiliary hoisting equipment and hoisting method for prefabricated box girder
一种预制箱梁的辅助吊装设备及吊装方法
11.04.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B66C Krane , CRANES |
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