Automatic safety device of general purpose overhead crane electrical accident

• Main Authors: KE LIWEI, LIANG BIN, DENG JINGYI, LI RUNXIONG, YE HUIYANG
• Format: Patent
• Language: Chinese; English
• Published: 31.07.2018
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The utility model discloses an automatic safety device of general purpose overhead crane electrical accident, close and the minion pass including first contactor, second contactor, third contactor, fourth contactor, first relay, second relay, time relay, first switch, second switch, third switch, fo...