The embodiment of the invention discloses a special lifting appliance for replacing a bridge pipe and a valve body of a coke oven riser. The special lifting appliance comprises a lifting system, an amplitude variation system, a lifting appliance base, a lifting appliance bearing box, a rotary bearing box base, a rotary system, a lifting hook, a pulley I, a pulley II, a pulley III, a lifting appliance main arm, a lifting appliance main rotating shaft and a lifting appliance auxiliary arm, wherein the lifting appliance bearing box is arranged on the lifting appliance base; the rotary bearing boxbase is parallel to the lifting appliance base; the lifting system, the amplitude variation system, the lifting appliance main rotating shaft, the lifting appliance main arm and the lifting applianceauxiliary arm are arranged on the lifting appliance base; the pulley I is arranged on the lifting appliance main arm; the pulley II is arranged at the top end of the lifting appliance main arm; the pulley III is arranged at the tail end of the lifting appliance auxiliary arm; the rotary system is positioned on the side edge of the rotary bearing box base; and the lifting hook is connected with the pulley I through a steel wire rope. According to the embodiment of the invention, the output force and the lifted mass are increased; the moving range of a lifting arm is wide, and the working efficiency is improved; and the site construction difficulty is reduced, and the construction is safe and reliable.

    本发明实施例公开一种用于更换焦炉上升管桥管、阀体的专用吊具,包括起升系统、变幅系统、吊具基座、吊具轴承箱、旋转轴承箱基座、回转系统、吊钩、滑轮一、滑轮二、滑轮三、吊具主臂、吊具主转轴和吊具副臂,吊具轴承箱安装在吊具基座上,旋转轴承箱基座与吊具基座平行,起升系统、变幅系统、吊具主转轴、吊具主臂和吊具副臂安装在吊具基座上,吊具主臂上安装滑轮一,吊具主臂上的顶端安装滑轮二,吊具副臂的末端安装滑轮三,回转系统位于旋转轴承箱基座的侧边,吊钩与滑轮一通过钢丝绳连接,本发明实施例输出力、被吊质量增大;吊臂移动范围广,提高了工作效率;降低现场施工难度,施工安全可靠。


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    Title :

    Special lifting appliance for replacing bridge pipe and valve body of coke oven riser


    Additional title:

    一种用于更换焦炉上升管桥管、阀体的专用吊具


    Contributors:
    LIU XUBO (author) / PENG ZIBING (author)

    Publication date :

    2020-09-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / B66D Haspeln , CAPSTANS



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