To provide a simple jib crane capable of safely moving a heavy object suspended at the tip of the crane to a desired location even when the tip of the crane cannot be placed at the desired location due to interference by the front wheels.SOLUTION: A simple jib crane A has a truck portion 1, traveling legs 50, a crane portion 80, and an anti-tipping leg 60. A rotary shaft is equipped with a rotation range regulating member that rotates together. The rotation range regulating member comprises: an arm base extending in a radial direction from a body portion serving as a rotation center starting from a straight line passing through the rotatory shaft of the crane portion 80 provided between the traveling legs 50; and an arm extending in both directions around the body portion from the arm base via an arc-shaped notch provided in a circumferential direction within an opening angle between the straight line and the anti-tipping leg 60. The truck portion 1 is equipped with anti-tipping leg insertion spaces K that are open on both sides of the truck portion 1 and stopper members 40 that move back and forth in the anti-tipping leg insertion spaces K, respectively.SELECTED DRAWING: Figure 1

    【課題】前輪が邪魔をしてクレーンの先端が目的の場所に配置できない場合であっても、クレーンの先端に吊り下げられている重量物を目的の場所に安全に移動させることが可能な簡易ジブクレーンを提供する。【解決手段】簡易ジブクレーンAは、台車部1と走行脚50とクレーン部80と転倒防止脚60とを有する。回動軸は、共に回動する回動範囲規制部材を具備する。回動範囲規制部材は、走行脚50間に設けられたクレーン部80の回動軸を通る直線を始点とし、その回動中心となる本体部分から径方向に延びたアーム基部と、直線と前記転倒防止脚60との開き角度の範囲内で、円周方向に設けられた円弧状切欠を介して前記アーム基部から本体部分の周囲にて両方向に伸びたアームとで構成される。台車部1は、その両側面に開口する転倒防止脚挿入空間Kと、転倒防止脚挿入空間Kを往復移動するストッパ部材40とを備える。【選択図】図1


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    Title :

    SIMPLE JIB CRANE


    Additional title:

    簡易ジブクレーン


    Contributors:

    Publication date :

    2022-12-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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