To make it possible to, in a bucket link device with hook, effectively prevent wear of or damage to a hook body and a locking member by minimizing free play of the hook body.SOLUTION: A holding part 30 that holds a hook body 23 in a storage position is provided in a storage part 12b in which a hook device 20 is stored. The holding part 30 is provided with: a first guide member 31 and a second guide member 32 between which the hook body 23 is sandwiched to be stored in the storage position; and a locking member 35 supported with respect to the first guide member 31, swingably between a locking position where the hook body 23 is held in the storage position and a release position where the hook body 23 can be released from the locking position. A contact part 35b in the locking member 35, which prevents the hook body 23 from detaching in the locking position, is designed to have a curve surface shape in accordance with a curved surface shape of a tip side 23a of a hook part so as to be able to come into line contact with a length direction of the hook part of the hook body 23 or to come into surface contact with the hook part.SELECTED DRAWING: Figure 4A

    【課題】フック付バケットリンク装置において、フック本体のガタツキを最小限にしてフック本体及びロック部材の摩耗や損傷を効果的に防止できるようにする。【解決手段】フック装置20が収納される収納部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を収納位置に収納されるように挟み込む第1ガイド部材31及び第2ガイド部材32を設け、第1ガイド部材31に対し、フック本体23を収納位置に保持するロック位置及びこのロック位置から解除可能とする開放位置の間で揺動可能に支持されたロック部材35とを設ける。ロック部材35における、ロック位置でフック本体23の抜けを防止する当接部35bをフック本体23の鉤部の長さ方向に対して線接触又は鉤部に対して面接触可能なように、鉤部の先端側23aの曲面形状に合わせて曲面形状とする。【選択図】図4A


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    Title :

    BUCKET LINK DEVICE WITH HOOK AND CONSTRUCTION MACHINE INCLUDING 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 :

    2019-04-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E02F Baggern , DREDGING / B66C Krane , CRANES



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