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Issue:
Improvement to cable reel for gantry sluicegate hoist
Author(s):
WANG Xiang-hui
Pages:
60
-
62
Year:
2005
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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