The automatic pin inserting and pulling device comprises an upper sleeve, a lower sleeve, an upper pin shaft, a lower pin shaft, an inner threaded pipe and a lead screw, the upper portion of the lower sleeve is arranged in the lower portion of the upper sleeve in a sleeved mode, the upper pin shaft is connected to the top end of the upper sleeve, the lower pin shaft is connected to the bottom end of the lower sleeve, and the inner threaded pipe is connected to the lead screw. The inner threaded pipe is arranged on the side of the upper sleeve and fixedly connected with the upper sleeve, the lead screw is arranged on the side of the lower sleeve, the bottom of the lead screw is rotationally connected with the connecting base through a bearing, the connecting base is fixedly connected with the lower portion of the lower sleeve, and the lead screw extends upwards into the inner threaded pipe and is in threaded connection with the inner threaded pipe. According to the invention, the mounting operation of connection of the auxiliary arm and the main arm of the crane can be quickly realized, the whole mounting process is simple and quick, the mounting precision of the auxiliary arm is high, and the safety of the auxiliary arm during high-altitude operation is ensured.

    本发明公开了一种用于起重机副臂安装的自动插拔销装置,包括有上套管、下套管、上销轴、下销轴、内螺纹管和丝杠,下套管的上部套装于上套管的下部中,上销轴连接于上套管的顶端上,下销轴连接于下套管的底端上,内螺纹管设置于上套管的侧方且与上套管固定连接,丝杠设置于下套管的侧方且底部与连接座通过轴承转动连接,连接座与下套管的下部固定连接,丝杠向上延伸至内螺纹管内且与内螺纹管螺纹连接。本发明可快速实现起重机副臂和主臂连接的安装作业,整个安装过程简单快速,且副臂的安装精度高,保证了副臂高空作业时的安全性。


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    Title :

    Automatic pin inserting and pulling device for mounting crane fly jib


    Additional title:

    一种用于起重机副臂安装的自动插拔销装置


    Contributors:
    ZHANG BAOLE (author) / SHAN XINZE (author) / PENG TAO (author) / HU YUE (author)

    Publication date :

    2024-12-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / B66C Krane , CRANES



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