When performing the lifting operation which is at least one of the lowering operation and the lifting operation of the holding unit 10, the control unit obtains the unit lifting amount which is the lifting amount of the holding unit 10 per unit rotation amount of the drive motor 23 in the lifting operation range which is the height range of the holding unit 10 in which the lifting operation is performed, as the diameter of the outer circumferential surface of the belt 22 wound around the drum 21 changes by winding and feeding, and determines the rotation amount of the drive motor 23 for the lifting operation based on the unit lifting amount.

    제어부는, 유지부(10)의 하강 동작 및 상승 동작 중 적어도 한쪽인 승강 동작을 행하는 경우에, 상기 승강 동작이 행해지는 유지부(10)의 높이 범위인 승강 동작 범위에서의, 구동 모터(23)의 단위회전량당의 유지부(10)의 승강량인 단위승강량을, 드럼(21)에 권취되어 있는 벨트(22)의 외주면의 직경이 권취 및 조출에 의해 변화하는 것에 따라 구하고, 단위승강량에 기초하여, 승강 동작을 위한 구동 모터(23)의 회전량을 결정한다.


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    Titel :

    ARTICLE ELEVATING DEVICE


    Weitere Titelangaben:

    물품 승강 장치


    Beteiligte:
    OTSUKA HIROSHI (Autor:in)

    Erscheinungsdatum :

    27.02.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B66C Krane , CRANES / B66D Haspeln , CAPSTANS



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