The invention discloses an internal climbing type double-flat-arm derrick which comprises a cab, a hoisting mechanism, a pre-embedded section, a tower body, a jacking system, a climbing frame, a climbing belt, a rotary system, a central tower, a tower cap, a cargo boom, a luffing mechanism, a front pull rod, a rear pull rod, a trolley and an iron tower, the cab and the hoisting mechanism are installed on the ground, and the jacking system is fixed through the pre-embedded section; the jacking system comprises a hydraulic oil cylinder and a jacking section, and the tower body is fixed on the jacking section; four groups of climbing frames and climbing belts connected with the climbing frames are arranged on the tower body, the rotary system is arranged at the upper part of the tower body, and the upper part of the rotary system is a central tower; a tower cap is arranged on the upper portion of the center tower, the cargo booms are connected to the two sides of the center tower, and the luffing mechanisms are installed on the two sides of the cargo booms. The cargo boom is connected with the top of the tower cap; the trolleys are arranged on the two sides of the cargo boom. The invention can realize integral climbing, saves a large number of tower bodies and sleeve frames, reduces the equipment cost, provides the stability and practicability of the whole machine, and has the advantages of compact structure, simplicity in manufacturing and convenience in installation and use.

    本发明公开了一种内爬式双平臂抱杆,包括司机室、起升机构、预埋节、塔身、顶升系统、爬升框、爬带、回转系统、中心塔、塔帽、起重臂、变幅机构、前拉杆、后拉杆、小车和铁塔,司机室和起升机构安在地面上,顶升系统通过预埋节固定,顶升系统包括液压油缸和顶升节,塔身固定在顶升节上;塔身上安有四组爬升框、以及与爬升框相连的爬带,回转系统安在塔身上部,其上部为中心塔;中心塔上部设有塔帽,起重臂连接在中心塔两侧,变幅机构安装在起重臂两侧;起重臂与塔帽顶部连接;小车设在起重臂两侧。本发明能实现整体爬升,节省大量塔身和套架,降低设备成本,提供整机稳定性和实用性,结构紧凑,制作简单,安装使用方便。


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    Title :

    Internal climbing type double-flat-arm derrick


    Additional title:

    一种内爬式双平臂抱杆


    Contributors:
    AN YUZHEN (author) / SHEN LANHUA (author) / LIU QINGYANG (author) / GAO QIANG (author) / ZHANG JIANKANG (author) / ZHAO JINPENG (author)

    Publication date :

    2022-07-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / B66D Haspeln , CAPSTANS



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