To provide a crane runaway prevention apparatus capable of rapidly preventing runaway of a crane which is controlled by an inverter.SOLUTION: There is provided a crane runaway prevention apparatus 1 comprising a command receiving unit 31 for receiving a command from the side of operation equipment used for operating a motor 5 of the crane, a signal receiving unit 36 for receiving a signal from an inverter control panel 3 that controls the motor by an inverter, and a breaker 39 that cuts off power supply to the motor due to discrepancy between the command input from the command receiving unit and the signal input from the signal receiving unit.SELECTED DRAWING: Figure 1

    【課題】インバータで制御するクレーンの暴走防止を迅速に行えるようにすること。【解決手段】クレーンのモーター5を操作するために用いられる操作機器側からの指令を受ける指令受部31と、モーターをインバータ制御するインバータ制御盤3からの信号を受ける信号受部36と、指令受部から入力された指令と信号受部から入力された信号の齟齬の発生により、モーターへの電源供給を遮断する遮断機39と、を備えたことを特徴とするクレーン用暴走防止装置1とする。【選択図】図1


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    Title :

    CRANE RUNAWAY PREVENTION APPARATUS


    Additional title:

    クレーン用暴走防止装置


    Contributors:

    Publication date :

    2020-01-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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