PROBLEM TO BE SOLVED: To provide a riding type lawn mowing vehicle, in which right and left wheels are independently driven by a motor, and unstable rotation is automatically suppressed.SOLUTION: A riding type lawn mowing vehicle 10 comprises a drive source, a left wheel and a right wheel, a transmission which may receive driving power from the drive source to independently drive the left wheel and the right wheel with respect to a rotating direction and rotation speed, caster wheels 15, 16 arranged away from the left wheel 12 and the right wheel 13 in a forth and back direction, and a lawn mower 18, in which rapid pivot may be realized, where one of the left wheel and the right wheel rotates or the left wheel and the right wheel rotate in an opposite direction. The riding type lawn mowing vehicle 10 comprises a rapid pivot detecting part 37 detecting rapid pivot of the vehicle, and a rotation speed suppression part 63 suppresses rotation speed when rotation stability related volume as physical volume relating to rotation stability is equivalent to a threshold or more.SELECTED DRAWING: Figure 3

    【課題】乗用型芝刈車両において、左右車輪をモータにより独立に走行駆動する構成において、不安定旋回を自動で抑制する構成を実現することである。【解決手段】乗用型芝刈車両10は、駆動源と、左車輪及び右車輪と、駆動源からの動力を受けて左車輪及び右車輪を、回転方向及び回転速度についてそれぞれ独立して駆動可能に構成したトランスミッションと、左車輪12及び右車輪13に対し前後方向に離れて設けられたキャスタ輪15,16と、芝刈機18とを含み、左車輪と右車輪との一方のみが回転するか、または左車輪と右車輪とが逆方向に回転する急旋回が可能である。乗用型芝刈車両10は、車両が急旋回していることを検知する急旋回検知部37と、急旋回がされ、かつ、旋回安定性に関係する物理量である旋回安定関係量が閾値以上であるときに、旋回速度を抑制する旋回速度抑制部63とを含む。【選択図】図3


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    Title :

    RIDING TYPE LAWN MOWING VEHICLE


    Additional title:

    乗用型芝刈車両


    Contributors:
    ONODA KOSUKE (author) / MAEHARA DAIKI (author) / SAKATA KOJI (author) / YAMANE KOGA (author)

    Publication date :

    2017-10-05


    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 / A01D Ernten , HARVESTING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16H Getriebe , GEARING / G05G CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY , Steuer- oder Regelvorrichtungen oder Steuer- oder Regelsysteme gekennzeichnet ausschließlich durch mechanische Einzelheiten



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