The invention discloses a suspended lifting appliance for large-deflection-angle lifting construction of a concrete box girder and a using method thereof. The suspended lifting appliance comprises a cross beam, and the two ends of the length direction of the cross beam are each provided with a lifting lug; twisted steel which is horizontally fixed above the main beam of a box girder and is in threaded connection with the cross beam, and the twisted steel vertically penetrates through the cross beam; a pair of push blocks which are arranged on the two sides of the main beam in the width direction respectively; and wherein one side, opposite to the push blocks, of the lifting lug is provided with a groove for accommodating the push blocks, and in the lifting process, the push blocks are arranged in the groove, so that the push blocks are linked with the lifting lug. According to the suspended lifting appliance provided by the invention, the position of the lifting lug is adjustable, the suspended lifting appliance can be used for lifting a large-deflection-angle concrete box girder, the distance between a pair of lifting lugs is adjustable, and the suspended lifting appliance can be suitable for box girders of different sizes.

    本发明公开了一种混凝土箱梁大偏角吊装施工的悬挂吊具及其使用方法,所述悬挂吊具包括横梁,其长度方向两端分别设有一吊耳;螺纹钢筋,其水平固定在箱梁主梁的上方并与所述横梁螺纹连接,且所述螺纹钢筋垂直贯穿所述横梁;一对推块,其分别设置在主梁宽度方向两侧;其中,所述吊耳与所述推块相对的一侧设置有容纳所述推块的凹槽,在吊装过程中,所述推块置于所述凹槽内,以使得所述推块与所述吊耳联动。本发明提供的悬挂吊具的吊耳位置可调,可用于吊装大偏角的混凝土箱梁,并且一对吊耳之间的间距可调,可适用于不同尺寸大小的箱梁。


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    Titel :

    Suspended lifting appliance for large-deflection-angle lifting construction of concrete box girder and using method thereof


    Weitere Titelangaben:

    一种混凝土箱梁大偏角吊装施工的悬挂吊具及其使用方法


    Beteiligte:
    BAO YONGSHENG (Autor:in) / WANG JUN (Autor:in) / LIAO FENG (Autor:in) / YANG ZHEN (Autor:in) / YANG JIE (Autor:in) / LU GUANGFU (Autor:in) / SHEN ZHENBEI (Autor:in) / ZHANG KAIMING (Autor:in) / LI XIAOBO (Autor:in)

    Erscheinungsdatum :

    2021-10-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES




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