The invention provides a small crane trolley main beam. The small crane trolley main beam comprises motor locating plates, cross beam protecting plates, two trolley cross beams, a first longitudinal pulley fixing plate, a second longitudinal pulley fixing plate, a first transverse pulley fixing plate, a second transverse pulley fixing plate, a transverse pulley supporting plate, a cable inlet fixing plate and stand column connector fixing plates. The motor locating plates are welded to the trolley cross beams, the cross beam protecting plates are welded to the side surfaces of the trolley cross beams, the stand column connector fixing plates are fixedly installed at the two ends of the trolley cross beams, the two trolley cross beams are connected to form a rectangle through the first longitudinal pulley fixing plate which is 5 mm thick and the cable inlet fixing plate, one end of the rectangle is reinforced by the second longitudinal pulley fixing plate which is 10 mm thick, and the transverse pulley supporting plate which is 10 mm thick is arranged between the cable inlet fixing plate and the second longitudinal pulley fixing plate. According to the invention, the existing section shapes are ingeniously utilized, the layout is reasonable, the machining process is simple, the cost is lowered, stressing is uniform, the overall strength is improved, the service life is prolonged, and the safety is improved.


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    Titel :

    Small crane trolley main beam


    Beteiligte:
    CAO RUNXING (Autor:in) / LI WEIHUA (Autor:in) / WANG YONGXING (Autor:in)

    Erscheinungsdatum :

    2016-01-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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