Top-Drive Rotary Head
AssemblyHydraulic top drive providing rotation and torque to the drill string through a hollow spindle. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Top-Drive Rotary Head
5 top-level lines as of r50140| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Rotation Motor 3 parts | drilling-rig-truck-rotation-motor | 2× | 2 | · | part |
| 2 | Rotary Reduction Gearbox 4 parts | drilling-rig-truck-head-gearbox | 1× | 1 | 0 | assembly |
| 3 | Drive Spindle 2 parts | drilling-rig-truck-spindle | 1× | 1 | · | part |
| 4 | Hydraulic Chuck 2 parts | drilling-rig-truck-chuck | 1× | 1 | · | part |
| 5 | Top Water Swivel 2 parts | drilling-rig-truck-water-swivel | 1× | 1 | · | part |