To provide a detection device of center-of-gravity capable of easily detecting amount-of-eccentricity of a lifting position for center-of-gravity of an object.SOLUTION: A detection device 1 of center-of-gravity comprises a first detector 11 to detect a lifting force T when a crane 300 lifts an object 200 constantly, a derivative value calculation part 61 to calculate a derivative value D which is a change amount in the lifting force T per time detected by the first detector 11 and to calculate a mean value DA of the derivative value D, a determination part 62 comparing the derivative value D and the mean value DA calculated by the derivative value calculation part 61 and to determine when the derivative value D reduces than the mean value DA, and a calculation part 63 of amount-of- eccentricity to calculate the amount-of- eccentricity of the lifting position with respect to the horizontal center-of-gravity of the object 200 from the lifting force Tb detected by the first detector 11 when the determination part 62 determines that the derivative value D reduces than the mean value DA.SELECTED DRAWING: Figure 1

    【課題】容易に対象物の重心に対する吊り上げ位置の偏心量を検出すること。【解決手段】重心検出装置1は、対象物200をクレーン装置300で一定に吊り上げたときの吊り上げ力Tを検出する第1検出器11と、第1検出器11で検出された吊り上げ力Tの時間当たりの変化量である微分値D及び微分値Dの平均値DAを演算する微分値演算部61と、微分値演算部61で演算した微分値D及び平均値DAを比較し、微分値Dが平均値DAよりも低減した時を判定する判定部62と、判定部62で微分値Dが平均値DAよりも低減したことを判定した時の第1検出器11で検出された吊り上げ力Tbから対象物200の水平方向の重心に対する吊り上げ位置の偏心量を演算する偏心量演算部63と、を備える。【選択図】 図1


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    Title :

    DETECTION DEVICE OF CENTER-OF-GRAVITY AND DETECTION METHOD OF CENTER-OF-GRAVITY


    Additional title:

    重心検出装置及び重心検出方法


    Contributors:
    YI BAI (author) / YAMAGUCHI YASUAKI (author) / SEKI KEIMEI (author)

    Publication date :

    2020-12-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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