To provide a concrete supply distributor which includes a boom unit comprising a boom row consisting of multiple booms arranged in series with each other and connected to each other bendably and swingably, and boom supports attached to the top of a mast unit and supporting derrickably and turnably the boom at the most base end side in the boom row, and which is capable of improving the assembly workability of boom units while reducing the load burden at the connection between the boom row and the boom supports when lifting the boom unit.SOLUTION: In a concrete supply distributor D, a boom support BS is provided with first attachment units T1 that are used when a crane hoists a boom unit 30 via first cords W1 with a boom row BT folded in a lateral posture or vertical posture, and that can be connected with the first cords W1.SELECTED DRAWING: Figure 15

    【課題】コンクリート供給用デストリビュータのブーム装置が、互いに直列に配列され且つ相互間が屈折揺動可能に連結される複数のブームよりなるブーム列と、マスト装置の上部に取付けられてブーム列における最も基端側のブームを起伏回動可能に支持するブーム支持台とを有するものにおいて、ブーム装置の組立作業性を高め、またブーム装置を吊り上げる際のブーム列とブーム支持台との接続部の荷重負担を軽減する。【解決手段】上記したコンクリート供給用デストリビュータDにおいて、ブーム列BTが折り畳まれて横向き姿勢又は縦向き姿勢にある状態でブーム装置30をクレーンで第1索条W1を介して吊り上げる際に使用されて該第1索条W1に連結可能な第1取付部T1が、ブーム支持台BSに設けられる。【選択図】 図15


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    Title :

    CONCRETE SUPPLY DISTRIBUTOR AND BOOM LIFTING AUXILIARY DEVICE


    Additional title:

    コンクリート供給用デストリビュータ及びブーム装置吊り上げ用補助装置


    Contributors:
    INOUE MIKIYA (author) / YAMANAKA SHOJI (author) / SUDA TOMOYUKI (author) / HARADA NAOYA (author) / TAKAHASHI YU (author) / ISOMURA RYO (author)

    Publication date :

    2022-06-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E04G SCAFFOLDING , Baugerüste / B66C Krane , CRANES



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