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A lifting hook, also known as a lifting pulley, is a hook and pulley block connected to the crane with a wire rope. It is a device composed of the wire rope going around several pulleys at a time.

The basic structural form of the lifting hook mainly includes straight handle double hooks, insurance clamps, hook beams, spherical roller bearings, hook caps, pulleys, deep groove ball bearings, pulley shafts, deep groove ball bearings, pulley covers, pull plates, oil cups and other components. Hang the sling on the double hook with a straight handle. The sling is connected to the suspended object. The wire rope output from the crane is connected to the pulley block. The lifting is achieved by controlling the lifting and translation functions of the crane. The double hook form can ensure the overall stability.

The lifting hook can achieve passive rotation through the spherical roller bearing on the hook beam. But it must be based on the application of external force. The hoisted object will only rotate when the worker exerts a lateral rotational force on the hoisted object. Some products are large and heavy, and workers must exert huge force to rotate them, sometimes even requiring many workers to rotate them at the same time. Due to the effect of inertia, the expected rotation effect is often not achieved, the work efficiency is low, and the labor intensity of the assistant is also increased. The vibration and inertia generated during rotation cannot guarantee the personal safety of employees.

A lifting hook, also known as a lifting pulley, is a hook and pulley block connected to the crane with a wire rope. It is a device composed of the wire rope going around several pulleys at a time.

The basic structural form of the lifting hook mainly includes straight handle double hooks, insurance clamps, hook beams, spherical roller bearings, hook caps, pulleys, deep groove ball bearings, pulley shafts, deep groove ball bearings, pulley covers, pull plates, oil cups and other components. Hang the sling on the double hook with a straight handle. The sling is connected to the suspended object. The wire rope output from the crane is connected to the pulley block. The lifting is achieved by controlling the lifting and translation functions of the crane. The double hook form can ensure the overall stability.

The lifting hook can achieve passive rotation through the spherical roller bearing on the hook beam. But it must be based on the application of external force. The hoisted object will only rotate when the worker exerts a lateral rotational force on the hoisted object. Some products are large and heavy, and workers must exert huge force to rotate them, sometimes even requiring many workers to rotate them at the same time. Due to the effect of inertia, the expected rotation effect is often not achieved, the work efficiency is low, and the labor intensity of the assistant is also increased. The vibration and inertia generated during rotation cannot guarantee the personal safety of employees.