In this boom slewing angle detection device (30), a slewing angle detecting gear (31) is attached to an end of a shaft of a pinion gear (21) that meshes with a ring gear (22) formed on a slewing bearing (3) rotatably supporting a crane boom (6), and the amount of rotation of the slewing angle detecting gear (31) is detected by a slewing-angle-detecting proximity sensor (32). The slewing angle detecting gear (31) is not meshed with the ring gear (22) or the pinion gear (21), which compose a slewing force transmission mechanism; thus, grease, and the like, do not adhere to the slewing angle detecting gear (31), and external teeth (31a) for detection of the slewing angle detecting gear (31) are not subject to wear, so accurate slewing angle detection is possible.


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    Titel :

    BOOM TURNING ANGLE DETECTION DEVICE FOR MOBILE CRANE


    Weitere Titelangaben:

    VORRICHTUNG ZUR ERFASSUNG DES AUSLEGERDREHWINKELS EINES MOBILKRANES
    DISPOSITIF DE DÉTECTION D'ANGLE DE ROTATION DE FLÈCHE POUR GRUE MOBILE


    Beteiligte:
    TOKUTOME SHINYA (Autor:in) / WADA MITSUAKI (Autor:in) / KARASAWA TAKAHISA (Autor:in)

    Erscheinungsdatum :

    2023-10-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / B66C Krane , CRANES



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