Emergency power-off safety structure of crane sliding contact line

The utility model relates to an emergency power-off safety structure for a trolley conductor of a crane, which comprises a power supply, a circuit breaker and the trolley conductor which are electrically connected in sequence, and further comprises an alternating current contactor, a receiver and at...

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Bibliographic Details
Main Authors WANG WEI, ZHAO JINWEI, LIU WENFENG, LI YONG, MASU KATSUMITSU, WEI LONGFENG, SONG QINGDAO
Format Patent
LanguageChinese
English
Published 19.07.2022
Subjects
CRANES
HAULING
HOISTING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
TRANSPORTING
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Summary:The utility model relates to an emergency power-off safety structure for a trolley conductor of a crane, which comprises a power supply, a circuit breaker and the trolley conductor which are electrically connected in sequence, and further comprises an alternating current contactor, a receiver and at least one remote control transmitter, the remote control emitters are arranged below the sliding contact line and are arranged at intervals in the length direction of the sliding contact line, and each remote control emitter is provided with a scram button capable of sending out a scram signal; the receiver is in paired communication connection with each remote control transmitter, the receiver is also in communication connection with the contactor, and an emergency stop signal of the receiver controls the contactor to cut off a slide wire power supply. According to the utility model, the wireless remote controller and the wireless receiver are additionally arranged in the movement range of the crane to control th
Bibliography:Application Number: CN202220802382U