The invention discloses a bridge girder erection machine hoisting device which comprises a hoisting trolley and further comprises a hoisting sling arranged above the hoisting trolley, the hoisting sling comprises four force bearing rods distributed in a square shape, a first pair of force bearing rods arranged oppositely are provided with first hoisting assemblies in the transverse direction, and a second pair of force bearing rods arranged oppositely are provided with second hoisting assemblies in the transverse direction; a pair of second hoisting assemblies are arranged on the second pair of oppositely arranged bearing rods along the longitudinal direction; the top surface of the suspension lifting appliance is a suspension surface, the bottom surface of the suspension lifting appliance is provided with a lifting hook, the center of the suspension surface is connected with the first hoisting assembly, and the two transverse sides of the center of the suspension surface are connected with the pair of second hoisting assemblies. According to the invention, uniform stress on the suspension lifting appliance can be realized, each stress point lifts the suspension lifting appliance at a uniform traction speed, a lifting hook is prevented from shaking, and the safety of lifting operation is improved.
本发明公开了一种架桥机起重装置,包括起重小车,还包括:起重吊具,其设置于所述起重小车的上方,所述起重吊具包括口字型分布的四根承力杆,相对设置的第一对承力杆沿横向设有第一起重组件,相对设置的第二对承力杆沿纵向设有一对第二起重组件;悬挂吊具,其顶面为悬挂面、底面设有吊钩,所述悬挂面的中心与所述第一起重组件连接,所述悬挂面的中心的横向两侧与一对第二起重组件连接。本发明能够实现对悬挂吊具的均匀受力,各个受力点以均匀的牵引速度提升悬挂吊具,防止吊钩晃动,提高了起重作业的安全性。
Lifting device of bridge erecting machine
架桥机起重装置
2024-12-10
Patent
Electronic Resource
Chinese
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