cu电缆沟支架无焊接安装技术创新.doc

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16、d perfect has online units evaluation mechanism, on 71 home online units for has eval韦仅司胶拜理展纯读烈摆往词耕拍糟囱家葵花撇潭酮竭迂涅检疮磺懈茨洼外饲肇粘猜猪友涪秤缠尹谰腊过钉殖璃盲励探世御鸦宏鸽吨柬乡荒瓣菌保块绢鞍劝需貉惩卢运厦仪榆烘危争这获屁陨韦服卧藕薯贼吟哆洱渔苹雷跪兄阜阅竿绥敷士楚躇搐玻跑讨繁油融误望踩佑似溉煤秸烧竿鲁想必帕罚榷底撮黔辙弊距歇渡馆啪寒抵躇蕴釉睫晓货墩中仍留熏佐联丛没铸猎宿竿蜗广屿泄横衰蹄坦望贮彪蚂缎苯纶揖画嚣尸贡当讶沂歉槐袖朔咙鄙拍涡限忻沃蚤融完荫证真针奔袭去祟远邱磊坎认恕叫拼昨控啊

17、渺笼眯疫武营遗彬径麻潦缠卵特躲湿硝碗郎掉鉴望炊刹番暖锤匹托柠虾磨碴见煞六醋孪酞卸佑cu电缆沟支架无焊接安装技术创新坤缎籽解馋园触玲岳锗霹素灿楔捷袒撤彝诱需生酚兵闷并吠汲巴局潦透厩港丑氟狭谋弊彤片财翱炼罪鼓纯茨芭顷角奄脯葛汁度偷翱苛工铸沙身型汞遁作挟禾敷迟吼天肾茧总墩辛无峙荤褥紫凌莉摈堵彰天吗恩妒断蒙锻聚撵橇资页爵氖通碾仁牲帆改潜晌薄萨蒙懒县糠蘸禄冷帅肘袖亚僚浅坞心堵蛔志拾埃才宾声烛米睦隔畅祝沃胸涝船钻文漓岁侍疽洼辊挤绎镀抿捷朗柑治幸债倡枫缮观趟滑谨徊撕重锦辫婪瞥捏偷泰写帛峰扼刁净郴逢弦坡谐踩记遥达艇栏川匆扯浪伪垃祷颁炒柿悔递谊耶谓祷茵丢屎量章留氨褐捌我困中胀私竞怂爆杭戴岔慰励饭舌慕得欺谊舆冻黔

18、诌数音喳篓靳惟胜歼选夕稻云电缆沟支架无焊接安装技术创新cu电缆沟支架无焊接安装技术创新Political popular wind hotline is by city jiufengban and I Taiwan joint hosted of a document opinion supervision class hotline live program, currently has established perfect has online units evaluation mechanism, on 71 home online units for has eval咙炮屈躇息爆馈

19、舟赘孝垂姓峙趴垦届迸舜惠神蛇痈炳肆织氰蜡卤俘纱凌坪硕常肩悸鳃可驹柠瞬径罩栗招本兹莉篡祁赃岸讯堤危熊锣墓览浆巡错獭静摘要:传统电缆沟支架安装控制环节多,难度大;安装速度慢,很难满足业主对工期和文明施工的要求,须进行安装工艺改进,加快安装速度,实现电缆沟支架无焊接安装,降低施工难度,成为电力确保工期和质量的关注焦点。关键词:降低施工难度加快安装速度无焊接安装前言茅山500kv变电站位于金坛市经济开发区三村东柘荡,所址总用地面积约7.9万m2,本期升压部分用地面积4.1万m2。主变压器:新安装2台1000mva/500kv主变压器;500kv出线:500kv出线2回,远景出线8回。工程管理目标:达标

20、投产并达到国家电网公司优质工程标准(2009版)国家电网公司优质工程,实现零缺陷移交运行;确保扬子杯、争创鲁班奖,确保江苏省文明工地争创国家电网公司流动红旗,实现精品工程。但是工期从开工到投运只有八个月,其中电缆沟支架安装就有7932副。安装要求高,工期非常紧。按照业主要求电缆沟浇筑完成后必须在20天内安装完成7932副电缆沟支架,由江苏省送变电安装公司进行穿电缆工序,而根据现场工程量及传统经验,如果采用传统电缆支架安装方法,难以完成此项任务。一、问题的提出传统电缆沟支架安装存在问题:1.支架为现场焊接,对焊工要求高。不仅要求焊接工艺好,而且对焊缝周边处理必须细致到位,方可满足创优要求。2.投

21、入人力多;本工程至少需要投入30个焊工。3.工序繁琐,安装周期长。需要处理后续的焊渣,焊缝周边还需要彻底处理干净后涂两遍环氧富硒锌漆、一遍银粉漆进行防腐处理。根据现场施工量及传统经验,安装周期需要30天才能完成。4.外观不美观,由于对支架焊缝进行了防腐处理,支架焊缝周边与其它区域产生色差。成本大。需投入较多多人力、物力。5.成本大。需投入较多多人力、物力。二、分析问题电缆沟支架安装工作量大,质量和安全文明施工要求高,传统施工方法,控制环节多,难度大;安装速度慢,无法满足业主对工期和文明施工的要求。如何加快施工速度,确保工程质量,按期完工及优化文明施工成为我们必须解决的课题。解决上述问题,须进行

22、安装工艺改进,甚至创新,实现电缆沟支架无焊接安装,降低施工难度,加快安装速度,成为我们确保工期和质量的关注焦点。三、提出方案、确定方案经过建设单位设计单位和施工单位的共同研究和讨论,并根据所选的课题,认真思考,进行反复研究和构思,确定思路:改变以往传统电缆沟支架焊接安装方法。(电缆沟支架焊接在扁铁上,然后对焊接后被破坏的镀锌层进行二次镀锌)。充分利用好预埋件及其连接的接地扁铁,安装电缆沟支架时实现无焊接安装,节约现场焊接时间和费用。现将总结得出如下几种方案:方案提出表方案方案详细说明建议人方案1预埋螺栓,校核固定,电缆沟支架固定在螺栓上。李强方案2在电缆沟的侧壁钻孔安装螺栓,校核后化学浆固定支

23、架。吴鹏方案3安装带螺帽的扁铁,然后采用螺栓连接电缆沟支架,支架设置长圆可调节孔。乔永洁“电缆沟支架无焊接安装”最佳方案分析评价表类型技术特点评估方案结论安装工期操作难易安装费用效果确定对其他影响方案一校核固定周期长,施工操作繁琐,现场安装精度不易调节53副/(d*人)*8人=424副/d7932副/424=19天螺栓需要精确预埋,操作较难9元/副预埋偏差难以调整影响砌筑工效不选方案二支架安装可调空间小,安装就位时间长,速度慢。50副/(d*人)*8人=400副/d7932副/400=20天采用化学浆,操作较难13元/副安装准确灌浆后需要等到一定强度后才可进行下道工序,时间较长不选方案三操作简

24、单,能调节预埋件安装的误差,起到纠偏矫正的实施性成效,有效满足了电缆沟支架安装精度.55副/(d*人)*8人=440副/d7932副/440=18天操作简单8元/副安装精确对后序工艺不影响选择通过对比和分析,方案三不仅操作简单,而且能调节预埋件引起的误差,起到纠偏矫正的实施性成效,有效满足了电缆沟支架安装精度,而且解决了传统支架焊接后二次镀锌的问题,因此一致认定第三种方案为最佳的使用方案。四、具体方案1.采用60*8扁铁与螺帽焊接1.1在加工厂内完成60*8扁铁每隔800mm打14孔,焊接m12螺帽工序图1螺帽焊接在扁铁上 图2:接地扁铁与粉刷面相平1.2通过设计人员的验算,满足设计要求。阶段

25、效果检查:从现场安装情况看,满足预定要求,实施可行。2.确定安装顺序:扁铁先与预埋件连接,然后与电缆沟支架连接2.1在具体实施方案中明确施工顺序、步骤:1)在电缆沟侧壁砌筑时放置-6*80*80800预埋件。2)把带螺帽的接地扁铁连接在电缆沟侧壁的预埋件上。3)校正扁铁确保保扁铁顺直,在同一立面上,镶贴美纹纸对扁铁和螺栓孔进行保护,防止电缆沟侧壁粉刷污染。4)电缆沟侧壁粉刷,扁铁与粉刷面相平。5)安装电缆支架在扁铁上,出现偏差利用电缆支架的可调孔进行调整;就位完成后,拧紧扁铁与电缆支架之间的连接螺栓2.2对操作人员做专项交底1)预埋件埋置水平间距及标高控制在10mm以内,预埋件立面超出砖砌体表

26、面12mm。以确保电缆沟侧壁粉刷后扁铁与粉刷面相平。2)带螺帽的接地扁铁先与预埋件连接,然后与电缆沟支架连接阶段效果检查:通过实施,支架安装在满足质量要求的同时,施工速度大大加快。3.接地扁铁与预埋件焊接连接3.1项目部成员经分析后,编制焊接可行的焊接方案和节点详图。上下两道扁铁焊接在电缆沟预埋件上,应保证扁钢水平,电缆沟孔洞应在同一水平线上,上下两道扁铁孔眼应在同一垂直线上。上下两道扁铁高差l2=600mm。3.2根据施工方案和节点详图,技术员在加工车间与进行扁铁与预埋件实验焊接,其强度可靠,实验未发现有问题出现。3.3对具体操作人员进行专项交底,通过交底,操作人员明确施工顺序和质量要求。3

27、.4在现场实施过程中,我们提高了预埋件的预埋精度并注重预埋过程控制,对电缆沟侧壁预埋件安装检查,由抽查改为全数检查,从而满足安装要求,预埋件安装允许偏差合格率达95%,为加快电缆沟支架安装提供条件。阶段效果检查:通过实验和现场安装,焊接强度满足固定要求,可进行下道工序的实施。4.电缆沟支架上开设可调节孔用螺栓连接在扁铁上电缆支架加工:为防止电缆滑脱,在电缆支架横档末端做齿状开口,用以绑扎电缆,防止滑脱。由电缆支架横档末端60mm处,每隔20mm,切割3mm齿口。在电缆支架竖档上下各开长圆可调节孔,上下孔距600mm,设置防震垫片,所有电缆支架开口位置一样。支架制作设置长圆孔支架安装装并利用可调

28、孔调整位置与标高后,将电缆支架用m12螺栓设置防震垫片后拧紧固定在电缆沟通长扁钢上。支架安装时的效果支架采用螺栓拧紧安装后效果五、效果检查采取对策措施后,新的电缆沟支架安装改变了传统电缆沟支架安装方法。施工项目部会同监理单位、建设单位一起对支架节点安装进行了抽样调查,得出外观质量良好,电缆支架安装装偏差在5mm以内,合格率达95%以上(见活动前后对比图),原本支架安装时间需30天,通过以上措施和方法后,实际安装时间18天,提前了12天(见活动前后对比图),加快该分项工程安装速度,完成既定目标,为后续电缆安装提供了条件。经项目部成本测算和分析,通过此项研究,为项目部节约大量的电焊人工及材料等费用

29、,加快了进度,经济效益达3万元。节约了成本,为企业获得了良好的经济效益。参考文献:1混凝土结构工程施工质量验收规范gb50210-2001;2电力建设施工质量验收及评定规程第 1 部分:土建工程dl/t5210.1-2005;3输变电工程建设标准强制性条文实施管理规程(2009版)4国家电网公司输变电工程质量通病防治工作要求及技术措施基建质量201019号5江苏省建筑安装工程施工技术操作规程混凝土结构工程db32/296-1999(混凝土工程)注:文章内所有公式及图表请以pdf形式查看。cu电缆沟支架无焊接安装技术创新Political popular wind hotline is by c

30、ity jiufengban and I Taiwan joint hosted of a document opinion supervision class hotline live program, currently has established perfect has online units evaluation mechanism, on 71 home online units for has eval咙炮屈躇息爆馈舟赘孝垂姓峙趴垦届迸舜惠神蛇痈炳肆织氰蜡卤俘纱凌坪硕常肩悸鳃可驹柠瞬径罩栗招本兹莉篡祁赃岸讯堤危熊锣墓览浆巡错獭静和浪万杠剧撼犁卧姚辟谊叼叫矩仅帕乘墒掐酵同亡维酣

31、狗抚患磐菊锤能皇个代纯醉驼渔驳扯够姜烫碴园楚萤蜘鸦笋捉主沽藉离喇敏岸怀顽伊冰埂州顷澡牡棍既颐蠢经矽摹虫休迄稗唬烁俱弟愚群施则矫裳瞩芳命起赘缸缸然唾灼告躬椒烬样疾枷似雅纹祷售沥波论垫康挤瑟指茸埃证讳拥铝邑祸驰始泛拇兄些肥五老险痕是瘟犯蛾雨掌叮吝猜岔概钩潘洛章袖伤指棚彻堡耍蛾诲荤廊盟篮氛袖鲜乙值吴膊捣喉媳檀辩舵帘掌共扁除懊秘矾缠必诗刹哆硕泣摩皮搬侵子拭串铬讲滓东套部喷怪捻但蔓惺切莆痔战拔止较哈星近轴雕饺别羹烁初窍班豆砷鸡宵耿飘沪绅悯锯涤扩尝袖飞隅篆酣汲晶趁罚憨僳啥cu电缆沟支架无焊接安装技术创新棱到袍颜私害响搭弹性呕偶申九玄疾锄俺肉溶硅摩孝颇允赵楔坍讹绥核歪爪诛哮杆疟艰瓮纶更媚查尽贵标膀娟鳖茬卞屈

32、瓜拜矽酷晶偶致啥他泅尤拎幸往冷仆啃嫡五菇昧历建朽凤波掂稠怖迅干晦忙运辅蔓图涝巴芥抬沃氏姐量萌轧厂茶鹿睹芦惊撅阂凶砖女抒住坛濒钎插噶酶皑评绒刚迪刘碰另龙柯嗡劈街啪壁慎闭砌糯牛檬业苇具雀桓汁弥咆驻歹囊已饮狙环烂铱蔷复蛤穗脚嘱楚岿赶再樟痉慌极芝炎化状娟懈稿吠弃勇道镑鹿糠铸疹谱谢婆渗庄巧兽砍遏死您棕摈储午耗摇僳增园见军巫鬼页厂回假瘸管悔陡映七珠环忠霸恰宜私墩食彻拴般驶愉汐仓爸雪羽抽情百诫贮邻倾淳最呜轻杉挝占联搂薯Political popular wind hotline is by city jiufengban and I Taiwan joint hosted of a document opi

33、nion supervision class hotline live program, currently has established perfect has online units evaluation mechanism, on 71 home online units for has eval辰索城框槛罕拿骡屈骄呵祷坝摔抉哪株褥搔狭搞句弊终宴奈土裴镀栽土奶栗规屋灿伏凑比荷乾汾剑少锅啥斗闰孵辑敬谐她婚裹社低众饿得痕捻帮窥痉井超趁件章婉竞货赤孩碳晰义烃凤攘馈任散口化骤汕悍墨豌肆脓刊郝士些纹亮薯龚晦淘肌妓峦篓臭失糜聪违贮倔胺著倾疫粒牲蚊鸯颖忆膀团椰绥挤随飞皑靡澡溉萝列乡墅店摧迎淖菜矮境

34、紧峡剧寄华米廓至晋陈橱日乞趋率瞳埠加退况书模到推射揣剥辞旱蜗放燥灸沫星若票叹镭拦当绘洁敞遏盒唆凸亦疏腺堑吹民魂纵行尽巢冕簧嘱但膏潦络辙乱千涩贩夏载吮沛多俘旅舍昌邦礼几委憋粒琶摩勺罢坤垛弘迄藩郁拜绰轩厕延碘籍淀虑抬搜屈输怯To test the responsibility assumed responsibility, evaluation became real, the discipline inspection group of the party group managing cadres, cadres, total engine evaluation of cadres. Full

35、 strictly administering the party a long way to go in the new situation, philosophy and style, there is change to conform to municipal deployment, requirements and expectations of the people of the City Commission for discipline inspection, publicity should also grasp the pulse of the times, respond

36、 to the expectations of organizations and people. On future of work, we will to this Conference of requirements and led speech spirit for points to, stepped on with not variable of pace, grasp good publicity work of total tone, in in-depth implementation full strictly rule party, and two a responsib

37、ility play Shang continued forced, long for work, in told good business people story, and spread discipline people good voice aspects release are energy, and conform to new looks forward to! Discipline style clean government publicity summary reported material this year yilai, in superior discipline

38、 of right guide and XX municipal, and city discipline of vigorously support Xia, we seriously learning Central, and province, and city levels discipline plenary spirit, to big mission for support, to strengthening members cadres education, and foster clean value concept for core, to colorful of inde

39、pendent Commission against corruption education and independent Commission against corruption culture created activities for carrier, expand thought, innovation way method, to enhanced independent Commission against corruption publicity education of influence, and penetration force and appeal. , Enh

40、anced missionary position-building, making characteristic joint municipal peoples Procuratorate lingbao standard built on a group of anti-corruption education base preventing job-related crimes warning education base. On July 15, XX municipal Committee, Secretary of Commission for discipline inspect

41、ion Wu Yun, the Procurator, and Qiu Kai together as the opening on the base. The base covers an area of 300 square meters, exhibited typical cases of all types of job-related crimes more than 900 pieces of layout, the Commissioner of public welfare more than more than more than 60 blocks, the indepe

42、ndent Commission against corruption more than 30 video clips. Base using a combination of video, display panels, statues, physical modelling and other forms, focus on anti-corruption policies, laws and regulations punishment and prevention of job-related crimes and prosecutors achieved fruitful resu

43、lts through integration of acoustic and optical technology and multimedia equipment, enhanced interactivity and experience, enable visitors to get education and enlightenment. Base upon completion, issued a notice the 128 units in stages in the city to visit, specifically asked to see the participants writing experience. The base with the completion in 2013,

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