The "load-bearing code" of port logistics lifting: safety breakthrough and efficiency evolution of chain hooks
In the steel jungle of port terminals, chain hooks endure the rigors of lifting containers. A fully loaded 20-foot container can weigh 30 tons, while a 40-foot container can reach 60 tons. Combined with the impact of the lifting dynamic load, any structural flaw could trigger a chain reaction. The heavy cargo transfer at logistics yards places safety, efficiency, and durability at the forefront of every lifting operation.
Heavy-Duty Skeleton: The Violent Aesthetics of Alloy Steel Chain
Material: Made of **Grade 80/100 high-strength alloy steel** (tensile strength ≥ 1000 MPa), the chain boasts a breaking force of 2.5 times the rated load (e.g., a 60T hook has a maximum load capacity of 150T), easily handling dynamic container loads.
Optimized Structure: The chain utilizes an 80-grade ring forging process with concealed welds to eliminate stress concentration points and prevent potential fractures.
Breakthrough Efficiency: Adapting to the Port's Flow Rate with a "Lifting Rhythm"
1. Second-Level Attachment: Precisely Attaching Container Corner Fittings
Universal Compatibility: The hook opening adapts to ISO standard container corner fittings (20ft/40ft), as well as coil eyelets and heavy machinery lifting points, eliminating the need to change spreaders.
Blind-Operation Friendly: The hook features a guide ramp, allowing the crane operator to complete the attachment process simply by swinging the sling, reducing single-container lifting time to under 30 seconds.
2. Scenario Shift: From "Single Spreader" to "System Collaboration"
Combination Magic: Supports two- and four-link chain combinations, flexibly matching single-container lifting (two-link) and multi-container chain lifting (four-link), improving yard space utilization by 25%.
Intelligent Pre-embedded: Customized integrated load cells ensure simultaneous cargo weighing during lifting, with data transmitted directly to the port's ERP system, eliminating the need for on-the-ground weighing.