To provide a crawler extension mechanism and the like suitable for increasing the height of a driving wheel without changing a relation between a main body and the driving wheel of a crawler.SOLUTION: A crawler extension member 71 increases a position of a driving wheel 25 with respect to a crawler in which a crawler belt moves around the driving wheel 25 and a plurality of standard lower roller wheels. In standard support positions 39, 41 and 45 supporting the standard lower roller wheels, the crawler extension member 71 is fixed instead of supporting the standard lower roller wheels. The crawler extension member 71 supports extension lower roller wheels 93, 94, 95, 96 and 97 at extension support positions 79, 81, 83, 85 and 87 positioned lower than the standard support positions 39, 41 and 45. A crawler belt 87 moves around the driving wheel 25 and the extension lower roller wheels 93, 94, 95, 96 and 97.SELECTED DRAWING: Figure 7

    【課題】 本体とクローラーの駆動輪との関係を変えずに駆動輪の高さを上昇させることに適したクローラー拡張機構等を提供することを目的とする。【解決手段】 クローラー拡張部材71は、履帯が駆動輪25と複数の標準下転輪の周囲を移動するクローラーに対して、駆動輪25の位置を上昇させる。標準下転輪を支持する標準支持位置39、41、45において、標準下転輪を支持することに代えてクローラー拡張部材71を固定する。クローラー拡張部材71は、標準支持位置39、41、45よりも下に位置する拡張支持位置79,81、83、85、87において拡張下転輪93、94、95、96、97を支持する。履帯87は、駆動輪25と拡張下転輪93、94、95、96、97の周囲を移動する。【選択図】 図7


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    Title :

    CRAWLER EXTENSION MECHANISM AND AGRICULTURAL WORKING MACHINE


    Additional title:

    クローラー拡張機構及び農作業機


    Contributors:

    Publication date :

    2022-12-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / A01B SOIL WORKING IN AGRICULTURE OR FORESTRY , Bodenbearbeitung in Land- oder Forstwirtschaft / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS



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