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Crane Hook and Block

Kingrail Parts hook block is usually called a crane block or crane bottom block. It is a  below-the-hook crane lifting device under the hook designed for your specific application. It can improve your industrial lifting equipment operation in conjunction with sheave configuration, capacity, special control requirements and unique reeving patterns.


Hook block option

The motor -driven 360 ° rotating crane hook block allows the crane operator to use overhead crane to place heavy or bulky loads in a working area that is not easy to approach. They can also be equipped with motorized rotation crane hooks.


Standard non -motorized hook blocks can be used for retrofitting or modernization projects. These crane blocks can also be made in large quantities for new crane installations.


Hook block specification

Kingrail Parts All hook blocks are designed and manufactured in accordance with the CMAA and AISE specifications and the latest ASME specifications. B30.20 and BTH-1: The design of the lifting device under the hook.


Hook blocks can be used for the following crane service classification

1. Standby or not often used

2. Light service: Up to 5 lifts per hour at 50% of capacity

3. Moderate service: Up to 10 lifts per hour at 50% of capacity

4. Heavy duty service: High speed up to 20 lifts per hour at 65% of capacity

5. Severe service: High speed over 20 lifts per hour at 100% capacity

6. Continuous severe service: Production critical, 100% production capacity continuous service


The standard features of hook blocks of Kingrail Parts

1. Machined steel sheaves

2. Welding steel construction

3. Tapered or straight roller bearings, smooth rotation

4. Adjustable sliding clutch provides impact protection

5. Forging hook with a safe latch

6. Lubrication fittings of hooks and sheave bearings


Optional features of hook blocks

1. Mechanical rotation stops used for maneuver rotating hook blocks

2. Electrical limit switch rotation control

3. Electric control: AC or DC, single -speed magnetic force or VFD

4. Remote control

5. The collector ring for power below the hook

6. Solid state soft start

7. Built -in weigh scale with integrated or remote display

8. Air motor rotation

9. Clevis in place of hook

10. Multiple sheave configuration or reeving mode

11. Pin -type bail connection

12. Hardening sheave

13. These devices are designed according to your unique requirements.

Request Quote

Please contact us with any concerns or questions you have.

Kingrail Parts

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