A portal crane for roads and bridges comprises lower end beams, cart walking mechanisms are assembled on the lower end beams, portal crane supporting legs are fixed to the top ends of the two lower end beams, trolley walking rails are laid at the top end of a main beam, a crane trolley is assembled on the trolley walking rails, and a lifting mechanism is arranged on the crane trolley. Sundry removing devices are detachably fixed to the two ends of the two lower end beams correspondingly, each sundry removing device comprises a fixing plate, each sweeping device comprises a brush roller supporting frame, brush roller supporting plates are fixed in the brush roller supporting frames, a first brush roller is arranged between the two brush roller supporting plates, and a second brush roller is arranged under the gearbox. A material shoveling device is fixed to the outer end of the brush roller supporting frame and comprises a material collecting box, a supporting shaft is arranged in the material collecting box, a spiral feeding blade is arranged on the supporting shaft, a material shoveling hopper is arranged on the outer side of the material collecting box, and the material shoveling hopper is communicated with the material collecting box. The device is simple in structure and convenient to use.

    一种路桥用门式起重机,包括下端梁,下端梁上装配有大车行走机构,两个下端梁的顶端均固定有门机支腿,主梁的顶端铺设有小车行走轨道,小车行走轨道上装配有起重小车,起重小车上设有起升机构,两个下端梁的两端均可拆卸固定有杂物清除装置,杂物清除装置包括固定板,清扫装置包括刷辊支撑架,刷辊支撑架内固定有刷辊支撑板,两个刷辊支撑板之间设有第一毛刷辊,变速箱的正下方设有第二毛刷辊;刷辊支撑架的外端固定有铲料装置,铲料装置包括集料箱,集料箱内设有支撑轴,支撑轴上设有螺旋送料叶片,集料箱的外侧设有铲料斗,铲料斗与集料箱连通。本发明结构简单,使用方便。


    Access

    Download


    Export, share and cite



    Title :

    Portal crane for roads and bridges


    Additional title:

    一种路桥用门式起重机


    Contributors:
    MA JUNJIE (author) / ZHANG HONGLIAN (author) / LIU ZIJUN (author) / TENG YUN (author) / LI XIAONING (author)

    Publication date :

    2022-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / B08B Reinigen allgemein , CLEANING IN GENERAL



    Portal crane for roads and bridges

    LIU DONGXIA / TANG LI | European Patent Office | 2022

    Free access

    Special crane for roads and bridges

    LUO ZHENQIANG / OUYANG ZHOU / ZHOU HUA et al. | European Patent Office | 2021

    Free access

    PORTAL CRANE

    ABE TATSUYA | European Patent Office | 2018

    Free access

    PORTAL CRANE

    KHEGEVALD MIKE / KEN PETER / GRITSAN TIMO et al. | European Patent Office | 2018

    Free access

    Portal crane

    CHEN DAXING | European Patent Office | 2015

    Free access