The invention relates to a lifting device and a crane, the lifting device comprises a lifting arm, an arm head, an arm head lifting pulley block, a lifting hook pulley block, a lifting steel wire rope, a driving part and an arm head wedge sleeve fixing part, the arm head is arranged at the tail end of the lifting arm, the arm head lifting pulley block is arranged on the arm head, the lifting hook pulley block is configured to be connected with a lifting hook, and the lifting steel wire rope is arranged on the lifting hook pulley block. The lifting steel wire rope is wound on the arm head lifting pulley block and the hook pulley block and matched with the arm head lifting pulley block and the hook pulley block, and the driving part is in driving connection with the first end of the lifting steel wire rope so as to drive the lifting steel wire rope to drive the hook pulley block to move in the direction close to or away from the arm head lifting pulley block. And the arm head wedge sleeve fixing part is configured to be connected with an arm head wedge sleeve for fixing the second end of the lifting steel wire rope, and the arm head wedge sleeve fixing part is arranged in the arm head. The crane comprises the lifting device.
本发明涉及一种起重装置和起重机,其中,起重装置包括起重臂、臂头、臂头起升滑轮组、吊钩滑轮组、起升钢丝绳、驱动部和臂头楔套固定部,臂头安装于起重臂的末端,臂头起升滑轮组安装于臂头上,吊钩滑轮组被配置为与吊钩连接,起升钢丝绳缠绕于臂头起升滑轮组和吊钩滑轮组上,与臂头起升滑轮组和吊钩滑轮组配合,驱动部与起升钢丝绳的第一端驱动连接,以驱动起升钢丝绳带动吊钩滑轮组向靠近或远离臂头起升滑轮组的方向运动,臂头楔套固定部被配置为与固定起升钢丝绳的第二端的臂头楔套连接,臂头楔套固定部设置于臂头内。起重机包括上述起重装置。
Lifting device and crane
起重装置和起重机
2023-04-11
Patent
Elektronische Ressource
Chinesisch