发明名称 |
Counter weight handling system and boom parking device |
摘要 |
A crane having an upper works rotatably mounted on a lower works and a boom pivotally mounted on the upper works, wherein the crane further comprises an apparatus and method for lifting, positioning, and assembling a counter weight to the upper works. The apparatus and method includes pivotally connecting a counter weight pivot frame between the counter weight and the upper works and lifting the counter weight into position with the hydraulic boom hoist cylinder. The crane further comprises a boom parking device.
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申请公布号 |
US6131751(A) |
申请公布日期 |
2000.10.17 |
申请号 |
US19970845843 |
申请日期 |
1997.04.23 |
申请人 |
MANITOWOC CRANE GROUP, INC. |
发明人 |
PECH, DAVID J.;PLEUSS, ALAN E.;PORUBCANSKY, KENNETH J. |
分类号 |
B66C23/36;B66C23/62;B66C23/74;B66C23/82;(IPC1-7):B66C23/74 |
主分类号 |
B66C23/36 |
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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