To improve working efficiency by performing accurate alignment when a multistage boom is stretched to fit the boom base end part to the boom cylinder mounting portion of an upper revolving body.SOLUTION: Provided is an assembling method of a mobile crane that mounts a boom base end portion of a multistage boom mounted on a boom transportation platform in a manner of capable of rising at a boom mounting portion of an upper swing structure, which comprises both a first positioning step for aligning the positions in the height, the right-left direction, and the front-rear direction and a second positioning step for matching the right-left inclinations of the upper swing body and the multi-stage boom between first and second positioning portions provided on the side of the upper swing body and two positioning members provided opposite to the first and second positioning portions on the side of the base for boom transporting.SELECTED DRAWING: Figure 8
【課題】多段式ブームを伸長してブーム基端部を上部旋回体のブームシリンダ取付部に取付ける際の位置合わせを正確にして作業能率を向上する。【解決手段】移動式クレーンの組立方法は、上部旋回体のブーム取付部に、ブーム輸送用架台に搭載された多段式ブームのブーム基端部を起伏可能に取付ける移動式クレーンの組立方法であって、上部旋回体側に設けられた第1、第2の位置決め部と、前記第1、第2の位置決め部に対向してブーム輸送用架台側に設けられた2点の位置決め部材との、高さ、左右、前後方向の位置を合わせる第1の位置決め工程、上部旋回体と多段式ブームの左右の傾きを合わせる第2の位置決め工程とを含む。【選択図】図8
MOBILE CRANE AND ASSEMBLING METHOD OF MOBILE CRANE
移動式クレーンおよび移動式クレーンの組立方法
2020-03-26
Patent
Electronic Resource
Japanese
IPC: | B66C Krane , CRANES |
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