2011年6月下 施工技术 第40卷第343期 CONSTRUCTION TECHNOLOGY 65 班多水电站大型弧形钢闸门启升技术 郑小平,熊增生,彭琳 (武警水电第二总队八支队,福建厦门361009) [摘要]由于天气和施工工序的原因,黄河斑多水电站泄洪槽要过水泄洪,而在大型弧形钢闸门永久启升设备安装 不到位,现场大型起重设备无法进场的情况下,用卷扬机配合滑轮组启升闸门.介绍了具体提升方案和相关计算、 设备选择、吊耳设计及具体提升施工工艺.实践证明,该方法在交通条件差、施工环境恶劣的情况下较实用. [关键词]水电站;大型弧形钢闸门;吊耳;起重设备;受力分析 [中图分类号]TV547.1 [文献标识码]A [文章编号]1002-8498(2011)12-0065-02 Open-lifting Technology of Large-scale Steel Arc Gate in Banduo Hydropower Station Zheng Xiaoping Xiong Zengsheng Peng Lin No.8 Detachment No.2 Hydropower Force of Armed Police Xiamen Fujian 361009 China) Abstract:In Banduo Hydropower Station the tank needs to discharge because of the weather and construction process.But the permanent open-lifting equipment has not been pleted.Under the condition of large-scale crane can't enter the arc gate is lifted with hoists pounding with pulley blocks.Critical construction scheme calculation equipments selection lug design and critical lifting technology are introduced.It proves that the mentioned method is applicable in poor traffic condition and construction environment. Key words:hydropower station;large-scale steel arc gate;lug;lifting equipment;stress analysis 1工程概况 弧形工作门提升,等泄洪过后再放下弧门安装液压 黄河班多水电站位于青海省海南州兴海县与同启闭系统.泄洪闸工作阁门弧形工作门门叶重 德县交界处的班多峡谷出口处,以发电为主.枢纽80.5t 支臂重101.5t 铰链重9.4t. 闸坝全长312.5m 坝顶高程2764.0m 最大坝高2提升方案 79.72m.设计正常蓄水位2760.0m 总装机容量 利用液压启闭机油缸机架生根系挂定滑轮组, 360kW 总库容1535万m3.水电站工程等级为二 闸门2个永久吊耳分别系挂2个动滑轮组,定滑轮 等大(2)型,挡水、泄洪、引水及发电等永久性主要牵引绳通过底坎部位的2个10t导向滑轮分别和2 建筑物为2级,次要建筑物为3级.导流建筑物主台10t卷扬机相连,10卷扬机布置在...