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三一QAY220型全地面起重机是三一自主研发的国内首台5桥200 t级全地面起重机,具有完全自主知识产权。整车布局合理,机动性提高,自重减轻,节能环保。该产品成功入选2009中国工程机械年度产品TOP50。QAY220主臂长62 m,带副臂总长达105 m,作业高度101 m,作业半径可达82 m。U型主臂采用强度达1100 MPa的进口钢板,质量更轻,吊载能力更强。单缸插销结构的智能控制主臂设计更加人性化,操作也更加方便。自动变幅副臂可便捷地切换工况,从而使作业效率提高。
Trinity QAY220 all terrain crane is independently developed by Trinity’s first 5-bridge 200 t-class all terrain crane, with complete independent intellectual property rights. Vehicle layout is reasonable, mobility, weight reduction, energy saving. The product successfully selected 2009 China Construction Machinery annual product TOP50. QAY220 main boom length 62 m, with a total length of 105 m with jib, working height 101 m, working radius up to 82 m. U-type main boom with the strength of 1100 MPa imported steel, lighter weight, more powerful lifting capacity. Single-cylinder latch structure of intelligent control arm design more humane, more convenient operation. Automatic luffing jibs can be easily switched operating conditions, so that work efficiency.