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    • 4. 发明公开
    • Automatic resetting anti 2-block crane warning system
    • Warnungsvorrichtung eines Kranes的自动化设备。
    • EP0031035A1
    • 1981-07-01
    • EP80107197.8
    • 1980-11-19
    • EATON CORPORATION
    • Paciorek, Raymond Michael
    • B66C13/50
    • B66C13/50
    • Crane warning system operative to give audible and visual warning of an imminent 2-BLOCK condition and to prevent occurrence of an actual 2-BLOCK condition by means of a control output signal. The warning system is further operable to permit override of the indication of and control against the 2-BLOCK condition. Three distinct audible and visual indications are provided for NORMAL, 2-BLOCK, and OVERRIDE system states. The system is further operative to automatically reset to a NORMAL state from either a 2-BLOCK or OVERRIDE state upon sensing a transition from a 2-BLOCK condition to a NORMAL condition.
    • 起重机警告系统可以对即将发生的2块状况进行声音和视觉警告,并通过控制输出信号防止发生实际的2块状况。 该警报系统还可操作以允许超越对2-BLOCK状态的指示和控制。 为NORMAL,2-BLOCK和OVERRIDE系统状态提供了三种不同的声音和视觉指示。 该系统进一步操作以在感测到从2-BLOCK状态到正常状态的转变时,从2块或OVERRIDE状态自动复位为NORMAL状态。