The invention relates to the field of cranes, and particularly discloses a full-circle slewing crane, a rigging hook winding mechanism is mounted in a hoisting bracket, and the rigging hook winding mechanism comprises a rigging hoisting drum, an arm support root redirection pulley, a second redirection pulley, an arm support middle pulley, a force measurement redirection pulley and an arm support redirection pulley, an auxiliary hook is installed on one side of the rigging hook winding mechanism and located below the lifting support, a main hook is installed on the other side of the rigging hook winding mechanism and located below the lifting support, a lifting rope is wound on the outer side of the rigging hook winding mechanism, and a fixed pulley is installed on the outer side of the lifting rope and located on the upper surface of the lifting support. The main hook is sequentially wound on the arm support redirection pulley, the force measuring redirection pulley, the arm support middle pulley, the second redirection pulley, the arm support root redirection pulley and the rigging lifting winding drum through the lifting rope, the main hook is driven to ascend and descend through the arranged winch, the lifting position of the lifting rope can be adjusted by controlling the idler wheel, and the lifting flexibility is improved.
本发明涉及起重机领域,具体公开了一种全回转起重机,起吊支架的内部安装有索具钩缠绕机构,索具钩缠绕机构包括:索具起升卷筒、臂架根部改向滑轮、第二改向滑轮、臂架中部滑轮、测力改向滑轮及臂架改向滑轮,索具钩缠绕机构的一侧位于起吊支架的下方安装有副钩,索具钩缠绕机构的另一侧位于起吊支架的下方安装有主钩,索具钩缠绕机构的外侧缠绕有吊绳,吊绳的外侧位于起吊支架的上表面安装有定滑轮。主钩经由吊绳依次缠绕臂架改向滑轮、测力改向滑轮、臂架中部滑轮、第二改向滑轮、臂架根部改向滑轮、索具起升卷筒,通过配设的绞车驱动主钩的升降运动,可以起到控制滚轮来调节吊绳的吊升位置,增加起吊的灵活性。
Full-rotation crane
一种全回转起重机
2023-10-31
Patent
Electronic Resource
Chinese
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