DRILLING BOOM AND ROCK DRILLING RIG
A drilling boom and rock drilling rig. The drilling boom (3) comprises a basic boom part (BB) a distal end of which is provided with a front joint assembly (8) of wrist. The wrist connects a feed beam assembly (FBA) to the basic boom part. The wrist has three joints, which are a roll-over joint (15)...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A drilling boom and rock drilling rig. The drilling boom (3) comprises a basic boom part (BB) a distal end of which is provided with a front joint assembly (8) of wrist. The wrist connects a feed beam assembly (FBA) to the basic boom part. The wrist has three joints, which are a roll-over joint (15), a feed tilt joint (16) and a feed swing joint (17). Order of the joints of the wrist is optimized when the joints are in the mentioned order. The rock drilling rig (1) is provided with one or more such drilling booms provided with face drilling units or bolting heads. |
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