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天元重工,悬索桥索鞍整体摩擦板焊接成型技术取得新突破

作者:金沙js55555官网科技评价中心 发布时间:2018/3/16 下午5:52:35 查看次数:6100
    2018年3月13日,金沙js55555官网在四川德阳组织召开了“索鞍整体摩擦板窄深空间焊接成型技术”项目成果评价会,该技术成果由国内悬索桥索鞍索夹制造领域的知名专业化企业——德阳天元重工股份有限公司独立承担完成。
    评价专家在天元重工领导的陪同下先后参观了两个生产厂区,对索鞍的焊接、组装、加工制造进行了现场参观,项目组也对产品、工艺、专用研发设备等进行了详细介绍。同时专家与项目组就索鞍等核心部件制造相关问题进行了充分交流。
    据介绍,国内外悬索桥索鞍鞍槽内的隔板通常采用分层结构的隔片,底层隔片与鞍槽采用断续、非熔透型焊缝固定连接,鞍槽内的隔板主要起到分隔开索股的作用,隔板抗剪切能力非常弱,鞍槽的整体摩擦系数较小。
    基于上述问题,项目研究了索鞍整体摩擦板窄深空间焊接成型技术,利用研制的专用智能焊接设备,实现了索鞍整体竖向摩擦板与鞍槽之间的全熔透焊缝及部分熔透焊缝的连续自动化焊接;首次研发的索鞍整体竖向摩擦板装焊工艺技术,保证了整体竖向摩擦板与鞍槽的焊缝质量;同时首次应用相控阵超声波探伤检测技术,解决了整体窄深空间摩擦板与鞍槽的焊缝探伤难题。经以全国工程设计大师徐恭义为评价委员会主任、西南交通大学李永乐教授为副主任的国内桥梁界七位知名专家评议,项目成果总体达到国际领先水平。
    项目依托温州瓯江北口大桥工程中三塔悬索桥索鞍的特殊设计结构及要求,通过1:1足尺模型的验证试验,为设计单位在悬索桥设计中提高索鞍鞍槽摩擦系数、增强鞍槽抗索股滑移性能提供了技术保障,为多塔大跨悬索桥的中塔主索鞍与主缆索股之间的滑移问题提供了解决方案。项目成果作为专门的结构制作解决方案和保障手段,可在类似结构的悬索桥索鞍的设计中得到广泛应用。作为承担本研究的行业领军型专业化企业,天元重工以企业的科研攻关、技术创新,推动了桥梁行业相关技术的进步和发展。

    据了解,德阳天元重工股份有限公司建有中国规模最大且唯一的悬索桥索鞍、索夹等核心受力部件的专业化制造基地,且在行业内独家拥有悬索桥索夹铸件的专业化铸造基地,具有年产悬索桥索鞍索夹等核心受力部件产品24000吨左右的能力,在中国悬索桥索鞍索夹产品制造领域拥有约70%的市场份额。天元重工通过专业化发展和持续的技术创新不断提升企业核心竞争力,凭借百余座悬索桥索鞍索夹等核心受力部件产品的制造服务历程,积累了丰富的研发、设计、制造和安装服务经验。公司于2015年被认定为国家高新技术企业,公司技术中心先后被评定为德阳市索桥核心受力部件工程技术研究中心、四川省企业技术中心,目前已取得索桥核心受力部件领域的专利四十多项,多项专利技术成果已经被应用到新建的悬索桥工程项目中。在项目业绩方面,天元重工先后参与了重庆丰都长江大桥、江苏泰州长江公路大桥、云南龙江特大桥、卡塔尔鲁赛尔城8号桥和9号桥、土耳其博斯普鲁斯三桥、广东虎门二桥,武汉杨泗港长江大桥和江苏五峰山特大桥等百余座国内外悬索桥的建设,为客户提供了优质的产品和服务。2018年初,以新签的第100座悬索桥—重庆长寿长江二桥的索鞍索夹供货合同为标志,天元重工昂首跨入了索桥核心受力部件制造服务专业化发展的新纪元。

       

                                      生产厂区参观

       

                 科技成果评价会现场                    德阳天元重工股份有限公司




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