The invention discloses a large-span windproof portal crane, and relates to the technical field of portal cranes. The hoisting safety is ensured; comprising a crane body and sliding limiting pieces, a slideway is arranged on the inner wall of the top of the crane body, an electric sliding assembly is movably connected to the inner wall of the slideway, a winch is arranged on the outer wall of the bottom of the electric sliding assembly, the output end of the winch is movably connected with a second steel wire rope, and a protection plate is arranged on the outer wall of one side of the electric sliding assembly. An air guide roller is movably connected to the inner wall of the protective plate, an eccentric disc is arranged on the outer wall of the circumference of the air guide roller, a rocker is movably connected to the outer wall of one side of the eccentric disc, a pushing support is movably connected to the outer wall of the rocker, and a rectangular plate is arranged on the outer wall of one side of the electric sliding assembly. By arranging the sliding way, the electric sliding assembly can slide along the inner wall of the sliding way in an electric control mode, and winding of the second steel wire rope can be controlled through the winch.

    本发明公开了一种大跨度防风门式起重机,涉及门式起重机技术领域;为了保证起重的安全;包括起重机主体和滑动限位片,所述起重机主体顶部内壁设置有滑道,所述滑道内壁活动连接有电动滑动组件,所述电动滑动组件底部外壁设置有卷扬机,所述卷扬机输出端活动连接有钢丝绳二,所述电动滑动组件一侧外壁设置有护板,所述护板内壁活动连接有导风辊,所述导风辊圆周外壁设置有偏心盘,所述偏心盘一侧外壁活动连接有摇杆,所述摇杆外壁活动连接有推动支架,所述电动滑动组件一侧外壁设置有矩形板。本发明通过设置滑道可以使得电动滑动组件通过电控的方式沿着其内壁进行滑动,通过卷扬机可以控制钢丝绳二的收卷。


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    Titel :

    Large-span windproof portal crane


    Weitere Titelangaben:

    一种大跨度防风门式起重机


    Beteiligte:
    HU JIHONG (Autor:in) / HUANG JIAXING (Autor:in) / ZOU YUNPENG (Autor:in)

    Erscheinungsdatum :

    13.05.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES / F16N LUBRICATING , Schmierung



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