The invention provides a port gantry crane which comprises a cross beam. A sliding rail is fixedly connected to the bottom end of the cross beam, an electric hoist is slidably connected to the bottomend of the sliding rail, supporting rods are fixedly connected to the two sides of the bottom end of the cross beam correspondingly, and carrying plates are fixedly connected to the bottom ends of thesupporting rods correspondingly; universal wheels are arranged at the four corners of the bottom ends of the carrying plates correspondingly, first pulleys are installed at the ends of the cross beamcorrespondingly, second pulleys corresponding to the first pulleys are installed at the top ends of the carrying plates, sliding ropes are wound around the first pulleys and the second pulleys, lampholders and sliding blocks are symmetrically arranged on the sliding ropes, illuminating lamps are detachably installed on the lamp holders, and the sliding blocks are slidably connected with the outer sides of the supporting rods; and locking mechanisms are arranged on the sliding blocks. By pulling the sliding ropes, the vertical positions of the lamp holders and the sliding blocks can be exchanged, so that the illuminating lamps are convenient to install and replace, the work strength of a worker for installing and replacing the illuminating lamps is reduced, and the working efficiency of installing and replacing the illuminating lamps is improved.

    本发明提供了一种港口龙门起重机,该港口龙门起重机包括:横梁,横梁的底端固定连接有滑轨,滑轨的底端滑动连接有电葫芦,横梁底端的两侧分别固定连接有支撑杆,支撑杆的底端均固定连接有载物板,载物板的底端四角处分别设置有万向轮,横梁端部均安装有第一滑轮,载物板顶端对应第一滑轮安装有第二滑轮,第一滑轮和第二滑轮上绕设有滑绳,滑绳上对称设置有灯座和滑块,灯座上可拆卸安装有照明灯,滑块与支撑杆外侧滑动连接,滑块上设置有锁定机构。通过拉动滑绳,可以使灯座和滑块的上下位置对调,这样便于安装更换照明灯,有助于降低工作人员安装更换照明灯,有助于提高安装更换照明灯的工作效率。


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    Title :

    Port gantry crane


    Additional title:

    一种港口龙门起重机


    Contributors:
    LI LING (author) / ZHANG YONG (author)

    Publication date :

    2021-02-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen



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