The invention discloses a rotary lifting device, which belongs to the technical field of lifting opening and closing equipment, comprises a lifting appliance, and is characterized in that the lifting appliance comprises an upper lifting frame, a pulley shaft, a movable pulley block, a pin penetrating piece, a lifting head, a lower lifting frame, a lifting hook cross beam, a lifting hook nut, a rotary driving piece and a grabbing beam, the lifting head is fixed on the upper lifting frame through a pin penetrating piece, the lifting hook cross beam penetrates through the lifting hook nut and is arranged on the lower lifting frame, the lifting hook nut is connected with the lifting head, the rotary bearing is arranged between the lifting hook cross beam and the lifting hook nut, the rotary driving piece is arranged on the lower lifting frame, and the grabbing beam is connected with the lower lifting frame. The lifting appliance can synchronously and reversely rotate to ensure that the axis of a gate is always parallel to the axis of a gate groove, and the lifting appliance and the gate are prevented from shaking in the rotation process, so that the gate can be automatically and accurately positioned into the groove, the lifting precision and the lifting efficiency are improved, and the whole rotation lifting appliance is convenient to mount.
本发明公开了一种回转吊装置,属于起重启闭设备技术领域,包括吊具,其特征在于:所述吊具包括上吊架、滑轮轴、动滑轮组、穿销件、吊头、下吊架、吊钩横梁、吊钩螺母、回转驱动件和抓梁,动滑轮组通过滑轮轴安装在上吊架上,吊头通过穿销件固定在上吊架上,吊钩横梁贯穿吊钩螺母并安装在下吊架上,吊钩螺母与吊头连接,所述吊钩横梁和吊钩螺母之间安装有回转轴承,所述回转驱动件安装在下吊架上,所述抓梁与下吊架连接。本发明吊具可同步逆向旋转保证闸门轴线始终与门槽轴线保持平行状态,避免回转过程中吊具和闸门发生晃动,从而能够保障闸门自动精准定位入槽,提高吊装精度和吊装效率,且整个回转吊安装便捷。
Rotary crane device
一种回转吊装置
2022-07-12
Patent
Electronic Resource
Chinese