Double Beam hookHoisting machinery is a common kind of spreader, the hook often by means of the pulley group and other components hanging in the hoisting mechanism of the wire rope.

The hook is divided into single hook and double crochet by shape: According to the manufacturing method, the forging hook and the laminated hook are divided into two parts.

Single hook manufacturing is simple, easy to use, but the force is not good, mostly used in the starting weight of 80 tons of work occasions, heavy weights often use symmetrical double crochet. The folded hook is riveted by a number of pieces of the sheet-shaped steel plate, and the whole hook will not break when a crack occurs. The safety is good, but the self-respect is larger, mostly uses in the big weight or the crane transporting the molten steel barrels, the hook in the work process often to be affected, must use the toughness good high quality carbon steel manufacture.