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    • 33. 发明专利
    • BALANCING DEVICE FOR HANGING LOAD
    • JPS54115858A
    • 1979-09-08
    • JP2208478
    • 1978-03-01
    • HITACHI LTD
    • HIBINO YOUZOUNABESHIMA YASUO
    • B66C13/08B66C1/10
    • PURPOSE:To correct precisely and reliably a load so that it may be balanced in a right condition even if the load is hung up by a crane with its center of gravity getting out of position, by determining a deviation value of the center of gravity of the hanging load with the values detected by each load detector. CONSTITUTION:Computing circuits 15a and 15b compute the value pre-set by a load setter 14 in comparision with the load value detected by load detectors 8a and 8b, and output a specified signal according to the size of the values. Winding control circuits 16a and 16b output a driving signal to winding motors 13a and 13b which control the length of hanging wires 6a and 6b. A winding control circuit 17 outputs a driving signal to a winding-up motor 18 of a load hanger unit 7 according to signal of the respective computing circuits 15a and 15b. It enables the correction of a hanging beam 4 to a right horizontal position that a unbalancing condition of the load is automatically detected.