To provide a steering control device for work vehicle which can improve operability at the time of long distance travel.SOLUTION: A work vehicle comprises a steering control unit 52 which performs steering control for operating a steering cylinder 17 so that a steering angle of a front wheel 11a (steering wheel) detected by a steering angle detector 62 becomes a target steering angle corresponding to a steering operation position of a steering dial 42 for which steering operation has been performed. When the steering control unit 52 performs steering control, whereby the steering angle of the front wheel 11a detected by the steering angle detector 62 is changed in a prescribed angular range including a neutral steering angle, the steering control unit stops the steering cylinder 17 to maintain the steering angle of the front wheel 11a after the steering dial 42 returns to a neutral position from the steering operation position.SELECTED DRAWING: Figure 1

    【課題】長距離走行時の操作性を向上させることが可能な作業車の操舵制御装置を提供する。【解決手段】作業車は、舵角検出器62により検出された前輪11a(操舵輪)の舵角が、操舵操作が行われた操舵ダイヤル42の操舵操作位置に対応する目標舵角となるように、操舵シリンダ17を作動させる操舵制御を行う操舵制御部52を備えており、操舵制御部52は、操舵制御を行うことにより、舵角検出器62により検出された前輪11aの舵角が、中立舵角を含む所定の角度範囲内で変化する場合、操舵ダイヤル42が操舵操作位置から中立位置に戻ると、操舵シリンダ17を停止させて前輪11aの舵角を維持する。【選択図】図1


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    Title :

    STEERING CONTROL DEVICE FOR WORK VEHICLE


    Additional title:

    作業車の操舵制御装置


    Contributors:

    Publication date :

    2022-04-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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