Rail departure preventing device of crane crab

摘要

The present invention is designed to prevent the operation of the rail end stopper of the crab due to misoperation and attentiveness of the crane driver in advance to prevent the reduction of facility operation rate, and to prevent safety and equipment accidents. The rail departure prevention device of the operator is a transverse movement of the crane through the control box and the crab as the operator operates the controller, and in order to prevent the departure of the crab contact the left and right ends of the upper rail of the guider rail end stopper In each mounted, the circuit breaker 110, 110 'and the energizing lamp 120, 120' is a power supply for supplying power to the rail departure prevention device, the proximity switch mounting portion 210 and the striker adjusting unit ( 220 is composed of a proximity switch detecting unit 200 for detecting the crab 18 before leaving the rail 22, and the buzzer ( 310 and 310 'and lamps 320 and 320', the alarm unit for alerting the driver when the crab 18 is out of the rail 22, and the proximity switch detection unit 200 of It includes a power cutoff unit for shutting off the power during operation.