Crown block lifting hook anti-falling device

• Main Authors: HOU HONGBO, CUI HAIZHU, ZHAO XIN
• Format: Patent
• Language: Chinese; English
• Published: 09.06.2020
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The utility model discloses an anti-falling device for a lifting hook of a crown block. Crown block body, a moving mechanism is arranged at the lower end of the crown block body; pulleys are mounted at the lower end of the moving mechanism; a pull rope is wound on the pulley; the lower end of the pull rope is connected with a connecting piece; a connecting block is installed on the connecting piece, a hook is rotatably connected to the lower end of the connecting block, a fixing block is fixed to one side of the upper end of the hook, a baffle is arranged on one side of the fixing block, fixing rings are fixed to the two sides of the upper end of the baffle, threaded through holes are formed in the fixing rings, and a rotating shaft is arranged on the fixing blocks in a penetrating mode. According to the utility model, the problem that fingers are easily pinched when a lifting hook is used for hanging a heavy object is solved, and the problem that the anti-falling device fails due to damage of a spring is als