The crane boom device comprises a cargo boom (1), a pulling plate and a waist rope assembly, the cargo boom (1) is used for lifting a heavy object and comprises a first connecting part and a second connecting part, the pulling plate is connected between a supporting part of the crane and a boom head of the cargo boom (1), and the waist rope assembly is arranged on the pulling plate. The pulling plate comprises a third connecting part and a fourth connecting part, the waist rope assembly is connected between the cargo boom (1) and the pulling plate and comprises a first pulley (2), a second pulley (3) and a connecting rope (4), the connecting rope (4) is matched with the first pulley (2) and the second pulley (3), and the two ends of the connecting rope (4) are connected with the first connecting part and the second connecting part respectively. And the first pulley (2) and the second pulley (3) are respectively connected with the third connecting part and the fourth connecting part. The crane comprises the crane boom device.

    本发明涉及一种起重机臂架装置和起重机,其中,种起重机臂架装置包括起重臂(1)、拉板和腰绳组件,起重臂(1)用于提升重物,起重臂(1)包括第一连接部和第二连接部,拉板连接于起重机的支撑部与起重臂(1)的臂头之间,拉板包括第三连接部和第四连接部,腰绳组件连接于起重臂(1)和拉板之间,腰绳组件包括第一滑轮(2)、第二滑轮(3)和连接绳(4),连接绳(4)与第一滑轮(2)和第二滑轮(3)配合,且连接绳(4)的两端分别与第一连接部和第二连接部连接,第一滑轮(2)和第二滑轮(3)分别与第三连接部和第四连接部连接。起重机包括上述起重机臂架装置。


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    Title :

    Crane boom device and crane


    Additional title:

    起重机臂架装置和起重机


    Contributors:
    XIONG LINRUI (author) / DENG YONGQUAN (author) / CUI DANDAN (author)

    Publication date :

    2023-03-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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