PROBLEM TO BE SOLVED: To reduce vibration of a crawler unit provided with a crawler belt having a structure with ununiformity due to an element such as a lug formed thereon at a predetermined pitch.SOLUTION: A crawler unit 11 includes a drive wheel 25, a front follower wheel 21 and a rear follower wheel 22 respectively supported at a front part and a rear part of a truck frame 20, a trunk roller group including at least three or more trunk rollers 2 supported with a truck frame 11 at a distance each other in a longitudinal direction, and a crawler belt 26. The crawler belt 26 has a structure showing a periodicity in elasticity thereof that the elasticity changes periodically in the longitudinal direction at a predetermined pitch so as to transit from a high elastic deformation region via a low elastic deformation region to the high elastic deformation region. The trunk rollers 2 are disposed such that an elasticity at a part of the crawler belt 26 to which each trunk roller 2 contacts is different from those of other parts to which other trunk rollers 2 contact.

    【課題】所定ピッチで形成されたラグなどの要因で長手方向において不均一な構造を有するクローラベルトを備えたクローラ走行装置における振動を抑制すること。【解決手段】クローラ走行装置11は、駆動輪25と、トラックフレーム20に前部に支持された前従動輪21と後部に支持された後従動輪22と、互いに前後方向に間隔をあけてトラックフレーム11に支持された少なくとも3つ以上の転輪2を含む転輪群と、クローラベルト26とから構成されている。クローラベルト26は、長手方向において所定ピッチで高弾性変形領域から低弾性変形領域を経て再び高弾性変形領域に移行する弾性周期性を示す周期弾性変化構造である。転輪2は、転輪2のそれぞれが同時に接当するクローラベルト26の被接当箇所の弾性がいずれも違うように配置されている。【選択図】図1


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    Title :

    CRAWLER UNIT


    Additional title:

    クローラ走行装置


    Contributors:

    Publication date :

    2015-12-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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