To secure rigidity while reducing unnecessary reinforcement without making a plate thickness of a floor plate large in a floor member of a work machine.SOLUTION: A floor member comprises: a floor plate 11 in which a driver seat is mounted in a longitudinally intermediate part and whose left and right edge portions 12 are folded; a front side cross beam reinforcement portion 13 and a rear side cross beam reinforcement portion 14 provided on a rear face of the floor plate 11 with an interval in a longitudinal direction and extending to the vicinity of the left and right edge portions 12 of the floor plate 11; and a left side vertical beam reinforcement portion 15 and a right side vertical beam reinforcement portion 16 which are fixed to a rear face of the floor plate 11 with an interval in a lateral direction and whose front and rear end portions are connected with the front side cross beam reinforcement portion 13 and the rear side cross beam reinforcement portion 14. There is provided a pedestal fastening portion 20 fastening a pedestal 52 of the driver seat 50 directly above the left side vertical beam reinforcement portion 15 and the right side vertical beam reinforcement portion 16. There is provided a cab fastening portion 21 fastening a bottom portion of a cab 6 in at least one of the front side cross beam reinforcement portion 13 and the rear side cross beam reinforcement portion 14.SELECTED DRAWING: Figure 1

    【課題】作業機械のフロア部材において、フロアプレートの板厚を厚くすることなく、無駄な補強を削減しながら、剛性を確保する。【解決手段】前後中間に運転席が載置され、左右縁部12が折り曲げられたフロアプレート11と、フロアプレート11の裏面に前後に間隔を空けて設けられ、フロアプレート11の左右縁部12の近傍まで延びる前側横梁補強部13及び後側横梁補強部14と、フロアプレート11の裏面に左右に間隔を空けて固定され、前側横梁補強部13及び後側横梁補強部14に前後端部が連結された左側縦梁補強部15及び右側縦梁補強部16とを備え、左側縦梁補強部15及び右側縦梁補強部16の真上に運転席50の台座52を締結する台座締結部20が設けられ、前側横梁補強部13及び後側横梁補強部14の少なくとも一方には、キャブ6の底部を締結するキャブ締結部21が設けられている。【選択図】図1


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    Titel :

    FLOOR MEMBER OF WORK MACHINE, AND WORK MACHINE COMPRISING THE SAME


    Weitere Titelangaben:

    作業機械のフロア部材及びそれを備えた作業機械


    Beteiligte:
    SAKAIYA MASANORI (Autor:in) / YAMAMOTO KEIJI (Autor:in)

    Erscheinungsdatum :

    2020-02-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    E02F Baggern , DREDGING / B62D MOTOR VEHICLES , Motorfahrzeuge



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