The invention discloses a jacking device for assembling and disassembling a large four-leg portal crane. The jacking device for assembling and disassembling the large four-leg portal crane comprises a machine body, a jacking oil cylinder and a base, wherein the machine body is connected with a cylinder body of the vertically-arranged jacking oil cylinder; a vertically-arranged sliding way is arranged on the machine body; a guide rod is arranged in the sliding way in a matched mode; a piston rod end of the jacking oil cylinder and the lower end of a guide rod parallel to a piston rod are hinged to the base; the bottom plane of the base is horizontally arranged; a laminated gasket is arranged between the upper surface of the base and the lower surface of the machine body; and a bolt connecting mechanism is arranged on the side face of the machine body. According to the special equipment for disassembling and assembling the large four-leg portal crane provided by the invention, the disassembling and assembling operation of the large four-leg portal crane is changed from high altitude to low altitude, so that the characteristics of simplicity, convenience, safety and high efficiency of the jacking assembly type disassembling and assembling process of the large four-leg portal crane are embodied.

    本发明公开一种大型四腿门式起重机装拆用顶升装置,包括机身、顶升油缸和底座,所述机身与铅垂布置的顶升油缸的缸体联接,机身上有铅垂布置的滑道,滑道内配合设有导杆,所述顶升油缸的活塞杆端和与活塞杆平行的导杆的下端分别与底座铰接,底座的底平面水平设置,底座上表面与机身下表面之间设有层叠垫片,所述机身的侧面设有插销连接机构,本发明为大型四腿门式起重机的拆卸、安装的专用设备,使大型四腿门式起重机的拆卸、安装作业从高空变低空,从而体现大型四腿门式起重机顶升装配式安拆工艺简便、安全、高效的特点。


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    Title :

    Jacking device for assembling and disassembling large four-leg portal crane and assembling and disassembling operation method


    Additional title:

    一种大型四腿门式起重机装拆用顶升装置及装拆作业方法


    Contributors:
    LIAO WEIYONG (author) / HU GUIJUN (author) / WANG HAIBO (author)

    Publication date :

    2021-12-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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