毕业设计_灯泡贯流式机组座环安装设计.doc

三明职业技术学院 毕业作业 作业形式：毕业设计 作业题目：灯泡贯流式机组座环安装设计 完成日期： 2013年5月12日 摘要 本安装设计方案中阐述了座环内外环，上下导流板的安装流程，以及座环主要部件的翻身及吊装，拼装后座环焊缝的焊接工艺，整个安装过程中,保证其座环的水平度至关重要.座环的水平精度高,才能使组装好的机组旋转轴线始终保持垂直状态 关键词：座环内环、导流板、支撑管、焊接、水平度。 目录 第一章 贯流式机组概述 ···········································4页 1.1 座环主要的安装数据设计参数·································4页 1.2 座环主要的技术参数·········································4页 第二章 质量要求··················································5页 2.1 规范要求···················································5页 2.2 设计图纸要求···············································5页 2.3 质量控制措施···············································6页 第三章 施工条件··················································6页 3.1 现场、技术准备·············································6页 第四章水轮发电机组座环的施工流程·································7页 第五章 座环的倒运和吊装··········································8页 5.1 座环主要部件的二次倒运、吊装·······························8页 5.2 座环内外环上、下半部的翻身及吊装··························13页 第六章 座环焊缝的焊接工艺·······································14页 6.1 座环重要焊缝的焊接工艺····································14页 6.2 焊接前准备工作············································14页 6.3 焊接工艺过程··············································15页 第七章 施工步骤·················································18页 7.1 基准控制点放样及安装数据测量······························18页 7.2 座环内环与支柱组装、焊接··································19页 7.3 座环安装··················································25页 第八章 座环另增设的加固措施·····································26页 第九章 安全措施·················································27页 第十章 主要工器具、劳动力·······································28页 结束语··························································29页 参考文献························································29页 第一章 贯流式机组概述 本安装设计方案适用于由东方电机有限公司制造的水轮发电机组的机组座环的拼装、倒运、吊装、安装。 座环的部件包括：座环内环（2/2），座环上/下支柱，座环上支柱坑衬，座环外环（4/4），座环外环后段（4/4），上/下导流板，上游里衬（4/4），座环外部支撑（2个），座环下游支撑管，座环内部支撑等。工地需完成座环的拼（组）装、焊接、整体安装调整、焊缝检查，同时安装座环所需要的锚具、内外支撑。 1.1 座环主要的安装数据设计参数： 1）、座环下支柱垫板预埋高程 12.3m 2）、机组中心线高程 22.8m 3）、下支