PROBLEM TO BE SOLVED: To provide a boss part removing tool capable of easily removing a boss part to which a drive roller is attached from a shaft even in a narrow truss and improving work efficiency.SOLUTION: A boss part removing tool 30 is provided with: a shaft member 31 to the outer peripheral surface of which a male screw 31a is provided and the tip of which is brought into contact with the end surface of a shaft to which a boss part is attached via a bearing in an axial direction; and a boss fixed member 33 which has an insertion hole 35b through which a bolt 39 for fixing to the end surface of the boss part is inserted, one surface 48 of which becomes an abutment surface to abut against the end surface of the boss part in the axial direction, and inside which a female screw 36a is provided so as to be engaged with the make screw 31a. The boss part is removed integrally with the boss fixing member 33 from the shaft by rotating the shaft member 31 in a state where the boss fixing member 33 is fixed to the boss part.SELECTED DRAWING: Figure 3

    【課題】駆動ローラが取り付けられるボス部を狭いトラス内でも軸部から容易に取り外しでき、作業効率を向上できるボス部取外用治具を提供すること。【解決手段】ボス部取外用治具30が、外周面に雄ねじ31aが設けられると共に、先端が、ボス部が軸受を介して取り付けられる軸部の軸方向の端面に当接される軸部材31と、内部に雄ねじ31aに螺合する雌ねじ36aが設けられ、一面48がボス部の軸方向の端面に当接される当接面になると共に、ボス部の端面に固定するためのボルト39が挿通される挿通孔35bを有するボス固定部材33と、を備えるようにする。ボス固定部材33をボス部に固定した状態で、軸部材31を回転させることによって、ボス部をボス固定部材33と一緒に軸部から取り外す。【選択図】図3


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    Titel :

    BOSS PART REMOVING TOOL


    Weitere Titelangaben:

    ボス部取外用治具


    Beteiligte:

    Erscheinungsdatum :

    28.12.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS / B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING , Werkzeuge oder Werkbankvorrichtungen zum Befestigen, Verbinden, Lösen oder Halten, soweit nicht anderweitig vorgesehen



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