Traveling performance and working performance are improved.A crawler traveling device (20) includes a first wheel (22); a second wheel (23) spaced from the first wheel (22); a support frame (24) that supports the first wheel (22) and the second wheel (23); a third wheel (25) disposed above the support frame (24); an endless crawler (21) wound around the first wheel (22), the second wheel (23), and the third wheel (25); and a vehicle-height changing mechanism (30) that changes a position of the support frame (24) in the vertical direction with respect to the third wheel (25). The vehicle-height changing mechanism (30) has an actuator (31) that is capable of contracting in the vertical direction and that changes the position of the support frame (24) in the vertical direction with respect to the third wheel (25).


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    Title :

    CRAWLER TRAVEL DEVICE AND WORK MACHINE PROVIDED WITH SAID CRAWLER TRAVEL DEVICE


    Additional title:

    RAUPENFAHRWERK UND MIT DIESEM RAUPENFAHRWERK VERSEHENE ARBEITSMASCHINE
    DISPOSITIF DE DÉPLACEMENT DE CHENILLE ET MACHINE DE TRAVAIL POURVUE DUDIT DISPOSITIF DE DÉPLACEMENT DE CHENILLE


    Contributors:

    Publication date :

    2024-01-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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