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Improvement to cable reel for gantry sluicegate hoist
Author(s): 
Pages: 60-62
Year: Issue:  5
Journal: HOISTING AND CONVEYING MACHINERY

Keyword:  门式启闭机电缆卷简变频技术同步;
Abstract: 三峡大坝坝顶门式启闭机起升机构的最大扬程达到150 m,门机抓梁随行电缆重量达到350kg,如此高的扬程和电缆重量,使目前所选电缆卷筒不堪重负,屡次拉断电缆.采用变频技术对传统方案实施改进,通过张力或力矩检测调节卷筒运行速度,达到与起升机构精确同步,释放电缆方式由被动变主动,可以基本克服电缆被拉断的缺陷.
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