发明名称 |
ROTATION UNIT, ROCK DRILLING UNIT AND METHOD FOR ROCK DRILLING |
摘要 |
A rotation unit, rock drilling unit and method for rock drilling. The rotation unit includes a main shaft that is rotated around its longitudinal axis by means of a rotating motor. The main shaft is supported on a body of the rotation device slidingly in the axial direction. This slide property is utilized when connection threads of drilling equipment and drilling components comprised by it are connected. |
申请公布号 |
ZA201307154(B) |
申请公布日期 |
2014.06.25 |
申请号 |
ZA20130007154 |
申请日期 |
2013.09.23 |
申请人 |
SANDVIK MINING AND CONSTRUCTION OY |
发明人 |
UKONJARVI TAPIO;HEDLUND JUHA;LEMMETTY PAULI;MAKI JORMA |
分类号 |
E21B |
主分类号 |
E21B |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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