To provide a crane which is easy to handle a sling used for lifting up a rear strut.SOLUTION: The crane according to one aspect of the present invention comprises a revolving body capable of horizontally rotating, a boom arranged derrickably on the revolving body, a jib connected derrickably to the boom tip, a front strut derrickably connected to the boom tip and to the rear part of the jib, and the tip of which is connected to the jib via a guyline, and which undulates with the jib, and a rear strut with a strut main body connected derrickably to the boom tip and to the rear part of the front strut, the tip of which is connected to the base end side of the boom via the guyline. The rear strut is rotatably arranged around the axis horizontal to the tip side of the rear strut main body, and the rear strut has a lifting member with two hanging rings and two upright slings the base end of which is attached to the hanging ring and which have the length so that the sling tip reaches near the base end of the strut main body.SELECTED DRAWING: Figure 2

    【課題】本発明は、リアストラットを引き起こすために用いるスリングの処理が容易なクレーンを提供することを課題とする。【解決手段】本発明の一態様に係るクレーンは、水平回転可能な旋回体と、旋回体上に起伏可能に配設されるブームと、ブームの先端に起伏可能に連結されるジブと、ブームの先端且つジブの後方に起伏可能に連結され、先端がジブにガイラインを介して接続されてジブと一体に起伏するフロントストラットと、ブームの先端且つフロントストラットの後方に起伏可能に連結され、先端がブームの基端側にガイラインを介して接続されるストラット本体を有するリアストラットとを備え、リアストラットが、リアストラット本体の先端側部に水平な軸を中心に回動可能に配設され、2つの吊環を有する吊り上げ部材と、基端が吊環に取り付けられ、先端がストラット本体の基端部近傍に届く長さを有する2本の直立スリングとを有する。【選択図】図2


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    Title :

    CRANE AND CRANE ASSEMBLING METHOD


    Additional title:

    クレーン及びクレーン組み立て方法


    Contributors:

    Publication date :

    2019-07-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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