Lifting tool with self-locking structure

• Main Authors: LIU YINIAN, CHEN LANFENG
• Format: Patent
• Language: Chinese; English
• Published: 24.12.2014
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The utility model discloses a lifting tool with a self-locking structure. The lifting tool comprises a connecting rod and a connecting cylinder, wherein the connecting rod is connected with the connecting cylinder in a sliding way; the upper end of the connecting rod is provided with a connecting ring; the lifting tool with the self-locking structure also comprises three connecting arms and three locking arms; the connecting rod is provided with three connecting lugs; the connecting cylinder is provided with three support arms; one ends of the connecting arms are rotatably connected with the connecting lugs, and the other ends of the connecting arms are rotatably connected with one ends of the locking arms; the locking arms are respectively in an 'L' shape; the middle parts of the locking arms are rotatably connected with the middle parts of the support arms. The lifting tool with the self-locking structure has the advantages that the self-locking structure is favorable for the lifting tool to be more conveni