Hook Block
AssemblyMulti-sheave block carrying the lifting hook, reeved 2 or 4 falls for higher capacity at lower speed. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Hook Block
4 top-level lines as of r65214| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Lifting Hook | flat-top-tower-crane-hook | 1× | 1 | · | part |
| 2 | Hook Block Sheave | flat-top-tower-crane-block-sheave | 4× | 4 | · | part |
| 3 | Hook Safety Latch | flat-top-tower-crane-safety-latch | 1× | 1 | · | part |
| 4 | Ball Bearing | ball-bearing | 4× | 4 | · | part |