The invention discloses a novel rotary crane. The novel rotary crane comprises a horse stool, a free falling joint structure, a rotary assembly, a lifting mechanism, a vertical rod, a third lug plate,a lifting rope, a balance rope, a balance arm, a balance slide wheel, an arm head, a lifting arm, a lifting pulley, a torsion preventer and a lifting hook group, wherein the outer side of the horse stool is provided with the free falling joint structure; the free falling joint structure comprises a first lug plate, a second lug plate, a support plate and a reinforcing rib plate; the bottom side of the outer part of the horse stool is equipped with two reinforcing rib plates through bolts; the tops of the reinforcing rib plates are equipped with the support plate through bolts; and the top ofthe support plate is equipped with the second lug plate through a bolt. The novel rotary crane is safe to use, improves efficiency, further guarantees safety of a worker, and meets mechanical requirements of bending moment prevention, so that large components are possibly dismounted directly; and meanwhile, weight of unit components is reduced, so that conditions are provided for mounting at a small site.
本发明公开了一种新型旋转吊,包括马凳、自由放倒节点结构、回转总成、起升机构、立杆、第三耳板、起吊绳、平衡绳、平衡臂、平衡滑轮、臂头、起重臂、起重滑轮、防扭器和吊钩组,所述马凳的外侧设置有自由放倒节点结构,所述自由放倒节点结构包括第一耳板、第二耳板、承托板和加强筋板,所述马凳的外部底侧通过螺栓安装有两块加强筋板,所述加强筋板的顶部通过螺栓安装有承托板,所述承托板的顶部通过螺栓安装有第二耳板,该新型旋转吊,使用安全,提高了效率,进一步保障了工人的安全;而且满足了抗大弯矩的力学要求,使得直接拆除大构件成为了可能,同时,减轻了单元构件的重量,也为在小场地的安装提供条件。
Novel rotary crane
一种新型旋转吊
2020-06-05
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |