Introduction to crane long hook set and short hook set
The crane hook group is a combination of the hook and the sliding pulley of the pulley block. Hook sets are available in long and short types.
The long hook group uses ordinary short hooks with shorter hook handles, which are supported on the hook beam, and the pulley is supported on a separate pulley shaft. Its height is larger, which reduces the effective lifting height.
In the past, short hook sets used long hooks. The pulleys of this hook set were directly mounted on the hook beam, and the height was reduced, but they could only be used for double-rate pulley sets. Because the balancing wheel of the single-rate pulley set is at the bottom, the balancing pulley can only be installed with a long hook set. The short hook group currently produced is similar in structure to the long hook group, but has the characteristics of the short type. Short hook sets can only be used with smaller pulley block magnifications. When the magnification is large, the number of pulley blocks increases, and the hook beam is too long, so the bending moment is too large, making the hook too heavy. Therefore short hook sets are only suitable for smaller cranes.
The crane hook group is a combination of the hook and the sliding pulley of the pulley block. Hook sets are available in long and short types.
The long hook group uses ordinary short hooks with shorter hook handles, which are supported on the hook beam, and the pulley is supported on a separate pulley shaft. Its height is larger, which reduces the effective lifting height.
In the past, short hook sets used long hooks. The pulleys of this hook set were directly mounted on the hook beam, and the height was reduced, but they could only be used for double-rate pulley sets. Because the balancing wheel of the single-rate pulley set is at the bottom, the balancing pulley can only be installed with a long hook set. The short hook group currently produced is similar in structure to the long hook group, but has the characteristics of the short type. Short hook sets can only be used with smaller pulley block magnifications. When the magnification is large, the number of pulley blocks increases, and the hook beam is too long, so the bending moment is too large, making the hook too heavy. Therefore short hook sets are only suitable for smaller cranes.
The crane hook group is a combination of the hook and the sliding pulley of the pulley block. Hook sets are available in long and short types.
The long hook group uses ordinary short hooks with shorter hook handles, which are supported on the hook beam, and the pulley is supported on a separate pulley shaft. Its height is larger, which reduces the effective lifting height.
In the past, short hook sets used long hooks. The pulleys of this hook set were directly mounted on the hook beam, and the height was reduced, but they could only be used for double-rate pulley sets. Because the balancing wheel of the single-rate pulley set is at the bottom, the balancing pulley can only be installed with a long hook set. The short hook group currently produced is similar in structure to the long hook group, but has the characteristics of the short type. Short hook sets can only be used with smaller pulley block magnifications. When the magnification is large, the number of pulley blocks increases, and the hook beam is too long, so the bending moment is too large, making the hook too heavy. Therefore short hook sets are only suitable for smaller cranes.
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