Accurate positioning and clamping mechanism for crane sling

The invention belongs to the technical field of cranes, and particularly relates to a precise positioning and clamping mechanism for a crane sling. The lifting appliance comprises a fixed seat; the top end of the fixed seat is fixedly connected with a group of hanging seats; movable seats are arranged on the two sides of the fixed seat through telescopic pieces; a rotating seat is rotationally connected to the center of the bottom end of the fixed seat; the bottom end of the rotating base is fixedly connected with a set of suction cups. A group of clamping pieces are arranged on the side wall, far away from the fixed seat, of the movable seat; the problems that existing plate carrying operation is tedious, and the safety coefficient is low are solved. 本发明属于起重机技术领域，具体的说是一种起重机吊具用精准定位夹持机构，包括吊具；所述吊具包括固定座；所述固定座顶端固接有一组挂座；所述固定座两侧上均通过伸缩件设有移动座；所述固定座底端中心处转动连接有旋转座；所述旋转座底端固接有一组吸盘；所述移动座远离固定座的侧壁上设有一组夹持件；以解决现有搬用板材操作繁琐，安全系数低的问题。