The invention is a lifting arm mechanism (100) which is mounted onto a crane main body (101) in order to allow a counterweight to be moved, wherein; it comprises, a main arm (102) which is in connection with said crane main body and the support arm (103) for transmission of motion, the support arm which is connected to the main arm on one end and allows positioning the counterweight (106) on the other hand, and transmits the motion, and drive members (104) which are connected to said main arm and said support arm in order to transmit the required drive to the main arm and the support arm.

    L'invention concerne un mécanisme de bras de levage qui est monté sur un corps principal d'une grue afin de permettre le déplacement d'un contrepoids, ledit mécanisme comprenant un bras principal qui est relié au corps principal de la grue et au bras de support aux fins de transmission du mouvement, le bras de support qui est relié au bras principal d'un côté et qui permet le positionnement du contrepoids de l'autre côté, tout en permettant la transmission du mouvement, ainsi que des organes d'entraînement qui sont reliés audit bras principal et audit bras de support de manière à leur transmettre la force d'entraînement nécessaire.


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    Title :

    A COUNTERWEIGHT LIFTING ARM MECHANISM FOR KNUCKLE BOOM CRANES


    Additional title:

    MÉCANISME DE BRAS DE LEVAGE DE CONTREPOIDS POUR GRUES À FLÈCHE ARTICULÉE


    Contributors:

    Publication date :

    2019-03-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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