The invention provides a lift extension type elevator for construction, which can equalize the tension of a plurality of suspension bodies, thereby inhibiting the damage of the suspension bodies or equipment for supporting the suspension bodies. The lift-extended elevator for construction is provided with: a machine room unit (3) that is lifted relative to a building; a plurality of rope drums (6) mounted on the machine room unit (3); and a second direction changing wheel (13) on which a plurality of ropes (5) are wound and which is lifted independently of the machine room unit (3), the plurality of ropes (5) are wound around respective corresponding rope drums (6) among the plurality of rope drums (6), each rope drum (6) is provided with a rotation suppression device (21), and each rotation suppression device (21) is configured so that the rotation suppression device (21) is configured so as to suppress the rotation of the rope drum (6). The rotation of the rope drum (6) is permitted when the rotational torque acting on the rope drum (6) exceeds a set value, and the rotation of the rope drum (6) is suppressed when the rotational torque is equal to or less than the set value.

    本发明提供一种扬程延长式施工用电梯,其能够使多个悬挂体的张力均衡化,从而能够抑制悬挂体或者支承悬挂体的设备的损伤。扬程延长式施工用电梯具备:机房单元(3),其相对于建筑物被起重;多个绳索卷筒(6),它们搭载于机房单元(3);以及第2方向转换轮(13),其绕挂有多条绳索(5),独立于机房单元(3)而被起重,多条绳索(5)分别卷绕于多个绳索卷筒(6)中的对应的绳索卷筒(6),在各绳索卷筒(6)设有旋转抑制装置(21),各旋转抑制装置(21)构成为,在作用于绳索卷筒(6)的旋转扭矩超过设定值的情况下允许绳索卷筒(6)的旋转,在上述旋转扭矩处于设定值以下的情况下抑制绳索卷筒(6)的旋转。


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    Titel :

    Lift extension type construction elevator


    Weitere Titelangaben:

    扬程延长式施工用电梯


    Beteiligte:
    KODAIRA DAITO (Autor:in) / IMURA MITSUYOSHI (Autor:in) / ASAI TAKAYUKI (Autor:in) / NOGATA RYOTA (Autor:in)

    Erscheinungsdatum :

    2023-05-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS



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