To provide a damper fitting structure in a front wheel of a riding work machine which has an inexpensive configuration, good riding comfort and grounding property, and is capable of four-wheel drive traveling.SOLUTION: In a riding work machine, front wheels 2, 2 are connected to a front axle case 5 via hub cases 4, 4, a front wheel unit Y including these front wheels 2, 2, hub cases 4, 4 and front axle case 5 is configured in a center pivot form which supports so as to be capable of oscillating around a center pin 6 of the front axle case 5, and the center pin 6 and a vehicle body 1 are connected by a pair of left and right swing arms 8L, 8R which are extended in a lateral direction from a pivotally supporting part 7 of the center pin 6. A pair of left and right dampers DL, DR, which resiliently support between the vehicle body 1 and the front axle case 5, are provided and connected within a width between vehicle body 1 side pivotal shafts 9L, 9R of the left and right swing arms 8L, 8R.SELECTED DRAWING: Figure 1

    【課題】安価な構成で乗り心地と接地性の良い4輪駆動走行が可能な乗用作業機の前輪におけるダンパー取付構造を提供することを課題とする。【解決手段】前輪2,2はハブケース4,4を介してフロントアクスルケース5に連結し、これら前輪2,2、ハブケース4,4、フロントアクスルケース5を含む前輪ユニットYを、フロントアクスルケース5のセンターピン6を中心に揺動可能に支持するセンターピボット形態に構成し、該センターピン6と車体1とを、センターピン6の枢支部7から横方向へ延設する左右1対のスイングアーム8L,8Rで連結し、該左右スイングアーム8L,8Rの車体1側枢支軸9L,9R間の幅内に、車体1とフロントアクスルケース5間を弾発支持する左右一対のダンパーDL,DRを設けて連結した乗用作業機の構成とする。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    RIDING WORK MACHINE


    Additional title:

    乗用作業機


    Contributors:

    Publication date :

    2022-01-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



    RIDING WORK MACHINE

    KOIZUMI YUSUKE / NARITA YASUSHI / ONISHI TEPPEI et al. | European Patent Office | 2020

    Free access

    RIDING WORK MACHINE

    ONISHI TEPPEI / YAO YUTA | European Patent Office | 2021

    Free access

    RIDING-TYPE WORK MACHINE

    European Patent Office | 2017

    Free access

    RIDING-TYPE WORK MACHINE

    NAKAMURA TARO | European Patent Office | 2021

    Free access

    RIDING TYPE PADDY FIELD WORK MACHINE

    SHIBAHARA AI / YAO YUTA / IKEDA JUNICHI | European Patent Office | 2016

    Free access