To reduce load on an operator.SOLUTION: A step ascending/descending dolly 10 comprises: a crawler 21 as running means; a loading platform 22; a running drive part 23 that drives a crawler; an angle change part 24 that changes an angle of the loading platform; a handle 30 gripped by an operator; an operation part (a controller 31) that operates the running drive part and the angle change part; a loading-platform inclination meter 42 that detects an inclination angle of the loading platform; and a warning device (an angle display warning device 32) that gives a warning to an operator on the basis of the inclination angle of the loading platform detected by the loading-platform angle meter. When the inclination angle of the loading platform is θ and lower and upper limit values of the inclination angle are T1 and T2, respectively, and when a condition of T1<θ

    【課題】オペレータの負担を軽減する。【解決手段】階段昇降台車10は、走行手段としてのクローラ21と、荷台22と、クローラを駆動する走行駆動部23と、荷台の角度を変更する角度変更部24と、オペレータによって把持されるハンドル30と、走行駆動部と角度変更部を操作する操作部(コントローラ31)と、荷台の傾斜角度を検知する荷台傾斜計42と、荷台傾斜計で検知された荷台の傾斜角度に基づいて、オペレータに警報を発報する警報装置(角度表示警報装置32)と、を備えている。警報装置は、荷台の傾斜角度をθとし、傾斜角度の下限値をT1とし、傾斜角度の上限値をT2とする場合で、かつ、T1<θ<T2の条件を満たさないときに、警報を発報する。【選択図】図1


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    Title :

    STEP ASCENDING/DESCENDING DOLLY


    Additional title:

    階段昇降台車


    Contributors:

    Publication date :

    2020-01-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS



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