发明名称 |
STEEL PIPE ROLLING MILL |
摘要 |
<p>STEEL PIPE ROLLING MILL of the disclosure The present invention relates to an apparatus for changing the rolling-mill rolls and disk shoes of steel pipe rolling mills. The apparatus comprises mechanisms for raising and lowering a top and bottom cradle each holding a roll of a rolling mill and a carriage disposed below the bottom cradle and movable transversely, whereby the cradles are moved in and out of the rolling mill housing transversely by the carriage, and a plurality of holding devices each rotatable about a fixed shaft are selectively positioned opposite to a pair of chocks holding a pair of disk shoes for movement in parallel motion thereby changing the disk shoes.</p> |
申请公布号 |
CA1172880(A) |
申请公布日期 |
1984.08.21 |
申请号 |
CA19810388054 |
申请日期 |
1981.10.16 |
申请人 |
NIPPON KOKAN KABUSHIKI KAISHA |
发明人 |
AKITA, SHINJI;HATANAKA, MASAYUKI |
分类号 |
B21B19/02;B21B31/08;(IPC1-7):B21B31/08 |
主分类号 |
B21B19/02 |
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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