To provide a bucket link device installed with hook that is hardly broken and has a simple structure.SOLUTION: A hook device 20 is stored sideways along a bottom plate 12f of a bucket link body part 12a in a storage part 12b. The storage part is provided with a holding part 30 for holding a hook body 23 in a storage position. The holding part 30 is provided with a guide member 31 into which the hook body 23 is fitted so as to be stored in a storage position, a cam shaft 32 that is in a position further away from the bottom plate 12f of the bucket link body part 12a than the guide member 31 and that is rotatably supported between a lock position R for holding the hook body 23 in a storage position and an open position L capable of releasing from the lock position R, and an urging spring 34 for urging the cam shaft 32 so as to return to the lock position R. The cam shaft 32 is provided with a recessed part 32a so as to switch from an arc-shaped section to a recessed section in a part in contact with the hook body 23.SELECTED DRAWING: Figure 1

    【課題】フック付バケットリンク装置を破損しにくく簡単な構造のものにする。【解決手段】フック装置20がバケットリンク本体12aの底板12fに沿って横向きに収納される収納部12bにフック本体23を収納位置に保持する保持部30を設ける。保持部30に、フック本体23が収納位置に収納されるように嵌まり込むガイド部材31と、バケットリンク本体12aの底板12fに対してガイド部材31よりも離れた位置にあり、フック本体23を収納位置に保持するロック位置R及び、このロック位置Rから解除可能とする開放位置Lの間で回動可能に支持されたカム軸32と、カム軸32をロック位置Rに戻るように付勢する付勢バネ34とを設ける。カム軸32を、フック本体23が当接する部分において、円弧状断面と凹状断面とが切り換わるように凹状部32aを設ける。【選択図】図1


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    Title :

    BUCKET LINK DEVICE INSTALLED WITH HOOK AND CONSTRUCTION MACHINE HAVING THE SAME


    Additional title:

    フック付バケットリンク装置及びそれを備えた建設機械


    Contributors:

    Publication date :

    2019-08-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E02F Baggern , DREDGING / B66C Krane , CRANES



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