PROBLEM TO BE SOLVED: To allow a cylinder to be fixed to a derricking member without taking time and labor.SOLUTION: A cylinder fixing device in a working machine has an engagement member 2 and a bracket 3, the engagement member 2 being provided at a distal end of a rod 38a of a cylinder 38 and in which an outer shape seen from an axial direction of the rod 38a is larger than an outer shape of the rod 38a, and the bracket 3 being provided at a mast 33, being capable of housing the engagement member 2 when an expansion and contraction length of the rod 38a of the cylinder 38 arranged along the mast 33 is contracted to a predetermined length, and having a gap 3a. The gap 3a is formed in a swing direction of the cylinder 38 through which the rod 38a can pass. Moreover, the gap 3a is formed narrower than the smallest width of the engagement member 2 in a radial direction of the rod 38a to regulate passage of the engagement member 2 housed in the bracket 3 through the swing direction of the cylinder 38.SELECTED DRAWING: Figure 15A

    【課題】手間をかけることなくシリンダを起伏部材に固定することができるようにする。【解決手段】シリンダ38のロッド38aの先端部に設けられ、ロッド38aの軸方向から見た外形が、ロッド38aの外形よりも大きい係合部材2と、マスト33に設けられ、マスト33に沿って配置されたシリンダ38のロッド38aの伸縮長さが所定の長さまで収縮された際に、係合部材2を収容可能であるとともに、隙間3aを有するブラケット3と、を有する。隙間3aは、シリンダ38の揺動方向にロッド38aが通過自在に形成される。また、隙間3aは、ブラケット3に収容された係合部材2がシリンダ38の揺動方向に通過することを規制するように、ロッド38aの径方向における係合部材2の最小幅よりも狭く形成されている。【選択図】図15A


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    Title :

    CYLINDER FIXING DEVICE IN WORKING MACHINE AND CYLINDER FIXING METHOD IN WORKING MACHINE


    Additional title:

    作業機械におけるシリンダ固定装置、および、作業機械におけるシリンダ固定方法


    Contributors:

    Publication date :

    2018-04-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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