To provide a fall prevention structure for a stop-log hanging beam that can reliably prevent a stop-log hanging beam from falling with a simple configuration.SOLUTION: A fall prevention structure 10 for a stop-log hanging beam is a fall prevention structure for a stop-log hanging beam 20 in which a hanging hook 40 rotatably attached to a beam body 22 is hooked to a hanging fitting 14 provided on a stop log 12 to lift the stop log 12. The fall prevention structure is provided with leg parts 60 that extend and contract downward from the beam body 22 toward an upper surface of the stop log 12. The leg parts 60 are characterized in that they include a driving portion 70 that extends when the stop log 12 is lifted and comes into contact with the upper surface, and contracts when the stop log 12 is removed to release the hanging hook 40.SELECTED DRAWING: Figure 1

    【課題】簡易な構成で角落しの落下を確実に防止できる角落し吊りビームの落下防止構造を提供する。【解決手段】本発明の角落し吊ビームの落下防止構造10は、ビーム本体22に回動自在に取り付けた吊フック40を角落し12に設けた吊金具14に掛止させて前記角落し12を吊り上げる角落し吊りビーム20の落下防止構造において、前記ビーム本体22から下方の前記角落し12の上面に向けて伸縮する脚部60を設け、前記脚部60は、前記角落し12の吊り上げ時に伸長して前記上面に接触させて、前記角落し12の取り外し時に縮小して前記吊フック40を取り外す駆動部70を備えたことを特徴としている。【選択図】 図1


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    Title :

    FALL PREVENTION STRUCTURE FOR STOP-LOG HANGING BEAMS


    Additional title:

    角落し吊りビームの落下防止構造


    Contributors:

    Publication date :

    2023-09-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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