The invention provides a crane arm loading and unloading method and a crane arm. The to-be hoisted crane arm comprises a first arm section and a second arm section installed in the first arm section, and the tail part of the second arm section is provided with an upper sliding block. The crane arm loading and unloading method comprise: a step of installing and adjusting the first arm section, namely, enabling the first arm section to stretch out according to a first stretching quantity and changing the amplitude of the first arm section to be 0 DEG; a step of installing and adjusting the second arm section, namely, hoisting the second arm section through a hoisting assembly, adjusting the hoisting assembly to enable the head part of the second arm section to be lifted upwards by a first angle Pi, adjusting the second arm section to enable the upper sliding block of the second arm section to have a height capable of exactly entering the head part of the first arm section at the height direction, and adjusting the gap between the sidewall of the second arm section and the sidewall of the first arm section; and a step of putting the second arm section into the first arm section, namely hoisting and installing the second arm section into the first arm section, and fixing the second arm section to the first arm section. The crane arm loading and unloading method is capable of rapidly loading the crane arm.


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    Title :

    Crane arm loading and unloading method and crane arm


    Contributors:
    MA AILI (author) / LI YI (author) / ZHONG QINGPING (author) / LIU QIUPING (author) / YAN HAO (author)

    Publication date :

    2015-04-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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