To surely fix a counterweight through simple operation.SOLUTION: A counterweight fixing tool 30 includes a base part 40, a pulling part 50, a jack part 60, and a support part 70. The base part 40 is installed on a counterweight 21. The pulling part 50 is connected to a tension member 23. The jack part 60 makes the force in a pulling direction T, which is a direction of pulling the tension member 23, act on the pulling part 50. The support part 70 allows the pulling part 50 to move in the pulling direction T with respect to the base part 40 and supports the pulling part 50 with respect to the base part 40 so as to restrict the movement of the pulling part 50 toward a direction intersecting with the pulling direction T with respect to the base part 40.SELECTED DRAWING: Figure 5

    【課題】簡易な作業でカウンタウエイトを確実に固定する。【解決手段】カウンタウエイト固定治具30は、土台部40と、引張部50と、ジャッキ部60と、支持部70と、を備える。土台部40は、カウンタウエイト21に設置される。引張部50は、張力部材23が接続されるものである。ジャッキ部60は、張力部材23を引っ張る向きである引張方向Tの力を引張部50に作用させる。支持部70は、土台部40に対する引張部50の引張方向Tへの移動を許容し、土台部40に対する引張部50の引張方向Tに交差する方向への移動を制限するように、土台部40に対して引張部50を支持する。【選択図】図5


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    Title :

    COUNTERWEIGHT FIXING TOOL


    Additional title:

    カウンタウエイト固定治具


    Contributors:
    SAEKI YUTO (author)

    Publication date :

    2022-07-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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