Rotary Drive Head
AssemblyHydraulically driven gearbox on the mast carriage delivering 100-450 kNm of torque to the kelly bar through a square output drive. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Rotary Drive Head
5 top-level lines as of r145174| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Rotary Head Gearbox 5 parts | rotary-bored-piling-rig-head-gearbox | 1× | 1 | 0 | assembly |
| 2 | Rotary Head Motor | rotary-bored-piling-rig-head-hyd-motor | 4× | 4 | · | part |
| 3 | Kelly Drive Sleeve | rotary-bored-piling-rig-kelly-drive-sleeve | 1× | 1 | · | part |
| 4 | Head Carriage | rotary-bored-piling-rig-head-carriage | 1× | 1 | · | part |
| 5 | Torque Reaction Bracket | rotary-bored-piling-rig-torque-bracket | 1× | 1 | · | part |