Hinge device for portal crane

The utility model relates to a hinge device for a portal crane, which comprises a hinge upper seat, a hinge lower seat, a middle plug-in component and at least one pin shaft connecting component, the hinge upper seat is connected with a crane main beam, the hinge lower seat is connected with a crane...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YANG JUNFU, ZHANG WENXIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model relates to a hinge device for a portal crane, which comprises a hinge upper seat, a hinge lower seat, a middle plug-in component and at least one pin shaft connecting component, the hinge upper seat is connected with a crane main beam, the hinge lower seat is connected with a crane supporting leg, the middle plug-in component is inserted into the hinge upper seat and the hinge lower seat, and the pin shaft connecting component is connected with the hinge upper seat. And at least one pin shaft connecting assembly is arranged between the crane main beam and the crane supporting leg. According to the hinging device for the portal crane, the main beam and the supporting leg are flexibly connected through the hinging device, the offset of the lower cross beam is reduced through the bending of the flexible supporting leg, the transverse thrust of a cart to a track is reduced, and the problem that the conventional portal crane gnaws the track is solved; in addition, by means of the hinge device, th