To simultaneously execute an operation for concentrically positioning bolt holes and an operation for temporarily fixing members by one tool, when the plurality of members are fastened by a bolt and a nut.SOLUTION: A concentric positioning temporary fixing tool according to an embodiment of the present invention is a tool used in a work for assembling both members by a fastening member while overlapping fastening holes 13, 15 of one member 10 and the other member 14 to each other. The concentric positioning temporary fixing tool includes a cylindrical case 23 capable of being inserted to the overlapped fastening holes from one member side, a shaft portion 21 housed in the case 23 and having an inclined face, concentric positioning plates 26a, 26b disposed in the case 23 while closely kept into contact with the inclined face at a position over a boundary of one member 10 and the other member 14, and projected to a radial outer part by axial movement of the shaft portion 21 in a direction to be pressed toward the other member 14, and a pair of receiving members 28a, 28b swingably disposed on a tip of the case 23, and capable of loading and supporting the other member 14 by opening while pressed by the shaft portion 21 in accompany with the axial movement of the shaft portion 21.SELECTED DRAWING: Figure 2

    【課題】複数の部材をボルト、ナットで締結する際に、ボルト穴を同心に位置決めする操作と、部材を仮固定する操作を1つの治具で同時に行えるようにする。【解決手段】本発明の実施形態に係る同心位置決め仮固定治具は、一方の部材10と他方14の部材の締結用穴13、15を重ね合わせ、両部材を締結部材により組み付ける作業に用いられる治具である。この同心位置決め仮固定治具は、重なった締結用穴に一方の部材側から挿入可能な円筒形状のケース23と、ケース23に収納され傾斜面を有する軸部21と、一方の部材10と他方の部材14の境目をまたぐ位置で、傾斜面に密着してケース23内に設けられ、他方の部材14に向かって押し込まれる方向の軸部21の軸方向の移動により半径方向外方にせり出される同心位置決めプレート26a、26bと、ケース23の先端に揺動可能に設けられ、軸部21の軸方向の移動とともに軸部21に押動されながら開き、他方の部材14を載せて支持可能な一対の受け部材28a、28bと、を備えている。【選択図】図2


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    Title :

    CONCENTRIC POSITIONING TEMPORARY FIXING TOOL


    Additional title:

    同心位置決め仮固定治具


    Contributors:

    Publication date :

    2019-07-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / B66B Aufzüge , ELEVATORS



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