Lifting hook anti-collision device

• Main Authors: YAO YAO, ZHU RONGRONG, YAO HAIQUAN, CAI CHENGLIN
• Format: Patent
• Language: Chinese; English
• Published: 23.04.2021
• Subjects: BLASTING; CRANES; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HAULING; HEATING; HOISTING; LIFTING; LIGHTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; MEANS FOR DAMPING VIBRATION; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; SHOCK-ABSORBERS; SPRINGS; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

The invention discloses a lifting hook anti-collision device, and belongs to the technical field of lifting hook devices. The lifting hook anti-collision device comprises a traction sleeve, a steel wire rope is arranged in the traction sleeve, a protection frame is rotatably connected to the bottom end of the traction sleeve, first threads are formed on the two sides of the outer surface of the protection frame, one side of each first thread is in threaded connection with a first rotating ring, a first cotton layer is arranged on one side of each first rotating ring, and the bottom of the first traction sleeve is rotationally connected with a supporting cylinder. According to the lifting hook anti-collision device, the first cotton layers and a second cotton layer make contact with a building, due to the fact that materials of the first cotton layers and the second cotton layer are soft, the building cannot be directly damaged, the first rotating rings are in threaded connection with the outer portion of the