Smooth Running forged Crane Lifting Hook with Safety Setting

Classification and structure of hooks: According to the shape, the hook can be divided into single hook and double hook; The manufacturing method can be divided into forging hook and flake hook. Single hook manufacture and easy to use, often used for lifting light; The double hook is used for...

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Product Details

Overview


According to the shape, the hook can be divided into single hook and double hook;

The manufacturing method can be divided into forging hook and flake hook.

Single hook manufacture and easy to use, often used for lifting light;

The double hook is used for lifting heavy objects.

According to the force analysis of the "T" glyph cross section is the most reasonable, but the forging process is complex, trapezoidal cross-section stress is more reasonable, forging easy, rectangular (square) slice section is used only for hook, cross section of the bearing capacity is not make full use of, is relatively heavy, circular cross section is used only for small hook.

The tail of forging hook is commonly used triangular thread, its stress concentration is serious, easy to break at crack.

As a result, the rear end of a large hook adopts trapezoid or serrated thread.

The forging hook generally adopts DG20, DG20Mn steel and DG34CrMo, DG34CrNiMo and other alloy steel, which is forged and stamped, and then machined by machine after annealing, which has the characteristics of high strength and plastic toughness.


Parameter


General forging hooks are mainly used to hoist cranes under 30T, and double hooks are used to hoist 50t-100t cranes.

The single hook is used to hoist 75T - 350T, and the double hook is used to hoist cranes above 100T.

The section shape of the hook hook is round, square, trapezoid and "T".

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Working Environment


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