Container spreader lock failure protection device and failure protection method

• Main Authors: CUI CAN, HUANG MEILIN, HOU JIANYUN, WANG QUANHU, YAO XIONG, FENG YE, SU LIJIE, LUO HUI, MEI KUN, KE XIAOLE, LIU AIWEN
• Format: Patent
• Language: Chinese; English
• Published: 22.03.2022
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The invention belongs to the technical field of logistics transportation, and particularly relates to a container spreader lock failure protection device and method. The failure protection device is suitable for lifting a container through a lifting appliance and comprises a driving part, a connecting rod, a first support and a locking part, the driving part is arranged on the lifting appliance and provided with an output end capable of moving back and forth, the connecting rod is provided with a first end and a second end which are opposite, the first end of the connecting rod is connected with the output end of the driving part, and the first support is arranged on the lifting appliance; the first support is arranged below the driving piece, one end of the locking piece is movably connected to the first support, the middle of the locking piece is rotatably connected with the second end of the connecting rod, and the other end of the locking piece is provided with a lock hook capable of being inserted into a