发明名称 |
Rod changer for a rock drill |
摘要 |
<p>A rock drill system includes a rotatable carousal adapted to hold a plurality of drill rods. A carousal driver is in communication with the rotatable carousal. The carousal driver includes a driver gear and a driven gear. Both the driver gear and the driven gear are coated with a self-lubricating/anti-corrosive layer comprising a metal-containing composition and a fluorine-containing resin. The rock drill system also includes a rod gripper for positioning a drill rod under a rock drill. Another rock drill system of similar design is provided in which the rod gripper includes one or more pivot pins that arc coated with a self-lubricating/anti-corrosive layer comprising a metal-containing composition and a fluorine-containing resin.</p> |
申请公布号 |
EP2258919(A2) |
申请公布日期 |
2010.12.08 |
申请号 |
EP20100251027 |
申请日期 |
2010.06.03 |
申请人 |
BUCYRUS INTERNATIONAL, INC. |
发明人 |
CONNELL, STUART A. |
分类号 |
E21B19/14;E21B7/02 |
主分类号 |
E21B19/14 |
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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