To provide a climbing crane mast support structure which is easy to assemble and disassemble, does not require a mast with a special structure, and enables safe and easy work of connecting the upper end of a stay to the mast side and inspection.SOLUTION: There is provided a climbing crane mast support structure comprising a foundation frame 2 installed on a base surface B, a mast 3 erected on the foundation frame by stacking mast blocks 6 in sequence, a lifting unit that can be raised and lowered along the mast, and a rotating body that is rotatably disposed at the upper end of the lifting unit and on which a jib can be freely raised and lowered, including an annular frame 15 that can be fitted onto the middle part of the mast 3, and stays 16 that are hung diagonally from a plurality of points of the foundation frame 2 toward the annular frame 15 and support the mast 3 via the annular frame 15. The annular frame 15 is composed of divided frame bodies 17 which are detachably divided at a plurality of locations in the circumferential direction and fixed to the upper ends of at least some of the stays 16.SELECTED DRAWING: Figure 1

    【課題】組立・解体が容易で特種構造のマストを必要とせず、ステーの上端をマスト側に連結する作業や点検を安全に且つ簡便に行い得るクライミングクレーンのマスト支持構造を提供する。【解決手段】ベース面Bに設置される基礎架台2と、その上にマストブロック6を順次積み上げて立設されるマスト3と、これに沿って昇降自在な昇降ユニットと、その上端に旋回自在に配設され且つジブが起伏自在に設けられる旋回体とを備えたクライミングクレーンのマスト支持構造に関し、マスト3の中途部に対し外嵌することが可能な環状枠15と、該環状枠15に向け前記基礎架台2の複数箇所から斜めに掛け渡されてマスト3を環状枠15を介して支持するステー16とを備え、環状枠15は、その周方向複数箇所で着脱自在に分割され且つ各ステー16のうちの少なくとも一部の上端に固設された分割枠体17により構成されたものとする。【選択図】図1


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    Title :

    CLIMBING CRANE MAST SUPPORT STRUCTURE


    Additional title:

    クライミングクレーンのマスト支持構造


    Contributors:

    Publication date :

    2024-12-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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