To provide a sulky rice transplanter which has flexibility in shift to an automatic steering on state from an automatic steering off state.SOLUTION: A sulky rice transplanter comprises: automatic steering control means for steering automatically a travel machine body so as to travel straightly along a virtual target travel line (L1, L2, Ln) which is calculated in advance; and an automatic steering switch 19 for manually switching the automatic steering control means from an automatic steering off state of not performing automatic steering, to an automatic steering on state of performing automatic steering. The sulky rice transplanter further comprises: automatic steering regulation control means for regulating switching operation to the automatic steering on state from the automatic steering off state during machine body turning. The automatic steering regulation control means allows switching operation from the automatic steering off state to the automatic steering on state even during machine body turning, when a machine body turning angle since start of machine body turning, reaches a prescribed angle θ1 or a greater angle, and the automatic steering control means is automatically switched to the automatic steering on state even during machine body turning, when a prescribed condition is satisfied in the permissive state.SELECTED DRAWING: Figure 6

    【課題】自動操舵オフ状態から自動操舵オン状態への移行に柔軟性を持たせることができる乗用田植機を提供する。【解決手段】予め演算された仮想目標走行ライン(L1、L2、…Ln)に沿って直進するように走行機体を自動的に操舵する自動操舵制御と、自動操舵制御を自動操舵を行わない自動操舵オフ状態から自動操舵を行う自動操舵オン状態に手動で切換操作を行う自動操舵スイッチ19と、を備える乗用田植機Pであって、機体旋回中に自動操舵オフ状態から自動操舵オン状態への切換操作を規制する自動操舵規制制御をさらに備え、自動操舵規制制御は、機体旋回開始からの機体旋回角度が所定角度θ1以上に達すると、機体旋回中であっても自動操舵オフ状態から自動操舵オン状態への切換操作を許容し、自動操舵制御は、上記許容状態で所定条件を満たすと、機体旋回中であっても自動操舵オン状態へ自動的に切換える。【選択図】図6


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    Title :

    SULKY RICE TRANSPLANTER


    Additional title:

    乗用田植機


    Contributors:
    TSUDA YOZO (author)

    Publication date :

    2021-03-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    A01B SOIL WORKING IN AGRICULTURE OR FORESTRY , Bodenbearbeitung in Land- oder Forstwirtschaft / A01C Pflanzen , PLANTING / B62D MOTOR VEHICLES , Motorfahrzeuge



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