The invention discloses a liftable cross beam for a bridge crane. The liftable cross comprises a bridge crane support frame and a bridge crane cross beam, wherein the bridge crane support frame comprises a support base and a threaded telescopic rod, the threaded telescopic rod is assembled on the longitudinal centre line of the support base by virtue of a threaded connection, and the lower part of the threaded telescopic rod stretches into the support base; the bridge crane cross beam is provided with a driving mechanism used for driving the thread telescopic rod, an axial bearing is a tapered roller bearing, a thrust ball bearing or an angular contact ball bearing. According to the technical scheme, the threaded telescopic rod is arranged between the support frame of the support bridge crane cross beam and the cross beam, the lower end of the threaded telescopic rod is in threaded fit with the support frame, and the upper end of the threaded telescopic rod and the bridge crane cross beam are assembled by virtue of the bearing; the rotation or expansion of the threaded telescopic rod directly drives the bridge crane cross beam to ascend or descend, and the thread telescopic rod is driven to rotate by virtue of a driving motor, so as to realize electronic control.


    Access

    Download


    Export, share and cite



    Title :

    Liftable cross beam for bridge crane


    Contributors:
    ZHU FEICHAO (author) / QI GUOQING (author)

    Publication date :

    2015-06-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



    Liftable transverse beam for bridge crane and operation method

    HUANG BINRUN / HUANG RUNXIA | European Patent Office | 2021

    Free access

    Liftable multi-stroke crane

    QIN QINGFENG / WANG JIANXIANG / LI DONGSHENG et al. | European Patent Office | 2024

    Free access

    Liftable and movable gantry crane

    CHENG WEIGUO | European Patent Office | 2015

    Free access

    Liftable quay crane and assembling method thereof

    DAI RUI / LU SHIHUA / JU JIAN et al. | European Patent Office | 2022

    Free access

    Liftable movable gantry crane in clean environment

    HUANG GANGQIANG | European Patent Office | 2020

    Free access