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本文简要介绍几种国外工程起重机超载保护装置,叙述电子式和机械式力矩限制器的工作原理、主体结构,并对各种型式的限制器的优缺点进行了评述。
This paper briefly introduces several overload protection devices for foreign construction cranes, describes the working principle and main structure of electronic and mechanical torque limiters, and reviews the advantages and disadvantages of various types of limiters.