Crane safety system

作者: Albert A Sanchez

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摘要: A system is shown for warning the operator of a crane when about to overturn due moment heavy load or weight that could cause structural failure crane. Sensors measuring boom length, angle, condition support, and quadrant in which operating are connected apply signals computer selects previously stored information from memory unit depending on received. This applied comparator compares signal against measured provides alarm two approach each other.

参考文章(2)
Hansbrough David Lee, Greb Franklin H, Young David J, Load limit control for hoisting equipment ,(1968)
George H Fathauer, Load warning device ,(1967)