摘要
First home made variable - frequency speed regulating system for main hook of heavy tower crane is depicted and test data are analyzed. Higher efficiency could be obtained and reliability of load moment limiter would be improved by applying the system.
First home made variable - frequency speed regulating system for main hook of heavy tower crane is depicted and test data are analyzed. Higher efficiency could be obtained and reliability of load moment limiter would be improved by applying the system.
关键词
塔式起重机
吊钩
变频调速系统
heavy tower crane, main hook,variable-frequency speed regulation
