The invention provides a special lifting appliance for mounting a large shell ring type protective cover. The special lifting appliance comprises a lifting rope assembly, a steel frame, a lifting assembly, a chain collecting box, a cross commutator, a transmission shaft and the cylindrical protective cover, the lifting rope assembly is connected with the steel frame; the cylindrical protective cover is provided with lifting points at intervals of 60 degrees along the circumference of the top of the cylindrical protective cover; a hoisting assembly and a chain collecting box are arranged at the hoisting point; the hoisting assembly is arranged at the tail end of the connecting rod; the head end of the connecting rod is connected with the steel frame through a bolt; the steel frame is provided with three parallel cross-shaped commutators. The three side-by-side cross converters are connected through a transmission shaft; the cross converters at the two ends of the three cross converters are connected with the hoisting assembly through transmission shafts; the cross converter in the middle is connected with a speed reducer arranged on the steel frame; the speed reducer is provided with an electromagnetic brake; and the power supply is arranged on the steel frame. According to the lifting device, six designed lifting points can synchronously ascend and descend, and the lifting and dismounting problems of the shell ring type shield are solved.

    本发明提供了一种大型筒节式护罩安装专用吊具,包括吊绳组件、钢架、起吊组件、收链箱、十字换向器、传动轴、筒型护罩;所述吊绳组件与钢架连接;所述筒型护罩沿顶部圆周每间隔60°设置有一个吊点;在所述吊点处设置有起吊组件和收链箱;所述起吊组件设置在连接杆末端;所述连接杆首端与钢架通过螺栓连接;所述钢架上设置有三个并排十字换向器;三个并排的十字转换器之间通过传动轴连接;三个十字转换器其中两端的十字转换器与所述起吊组件通过传动轴连接;中间的十字转换器与设置在钢架上的减速机连接;所述减速机设置有电磁刹车;所述电源设置在钢架上。本发明可实现设计的6个吊点可同步上升下降,解决了筒节式护罩起吊和拆卸问题。


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    Title :

    Special lifting appliance for mounting large shell ring type shield


    Additional title:

    一种大型筒节式护罩安装专用吊具


    Contributors:
    CHANG HUA (author) / YANG XU (author)

    Publication date :

    2022-03-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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