To provide a track travel type crane that, while maximizing hoisting capability during work, is able to temporarily improve the hoisting capability, and is able to reduce load on an understructure.SOLUTION: A track travel type crane comprises: a travel body 10 freely traveling along a rail 15 and having a wheel base longer than a rail span S; a post 20 extended upward from the travel body 10; a revolving body 30 disposed at an upper end of the post 20 so as to freely revolve; a jib 40 provided on the revolving body 30 so as to be free to rise/lie; and a detachable weight 50 attached to one side of the travel body 10 in a rail span S direction.SELECTED DRAWING: Figure 1

    【課題】作業時における吊り上げ能力を最大限に引き出しつつ一時的に吊り上げ能力を向上させることができ、且つ基礎への負担を軽減し得る軌道走行式クレーンを提供する。【解決手段】レール15に沿って走行自在で且つホイールベースがレールスパンSより長い走行体10と、走行体10から立設されたポスト20と、ポスト20の上端に旋回自在に配設された旋回体30と、旋回体30に起伏自在に設けられたジブ40と、走行体10のレールスパンS方向における一側に装着される着脱式ウェイト50とを備える。【選択図】図1


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    Title :

    TRACK TRAVEL TYPE CRANE


    Additional title:

    軌道走行式クレーン


    Contributors:

    Publication date :

    2020-08-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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