A C-hook is a specialized lifting tool designed for the horizontal handling of rolled materials (such as steel coils, paper rolls, and cloth rolls). It is named for its resemblance to the letter "C". Through a unique mechanical principle, it can be easily and safely inserted into the inner hole of the roll for lifting, greatly improving handling efficiency and safety.
Coil crane c hook supports 3-32 tons load range, mainly used for safe lifting of metal materials such as steel coils, aluminum coils, copper coils, etc., as well as fiber optic cables, paper rolls and other non-metallic materials in paper industry, and it can also complete the container loading operation of steel pipes and slabs. With simple structure, convenient operation, high loading and unloading efficiency, and low cost, it is widely used in iron and steel mills, non-ferrous metals, automobile plate
The core principle of the C Hook Coil Lifter is based on leverage and eccentric loads.
Insertion: The "hook arm" (vertical part) of the hook inserts into the inner hole of the coil material.
Rotation/Loading: The crane lifts the upper shackle/lug of the hook via a chain or wire rope.
Self-locking: When the hook is lifted, the weight of the coil material causes the hook arm to naturally apply pressure to the inner wall of the coil. This contact point (fulcrum), along with the hook's center of gravity and lifting point, forms a lever system that allows the hook to be firmly "locked" in the inner hole of the coil material under load, preventing easy slippage.
Bearing Capacity: The entire weight of the coil material is borne by the hook arm and back (horizontal part) of the hook and ultimately transferred to the lifting equipment.
