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電梯“自導式”安裝施工過程有哪些安全隱患?

作者:合興永(yong)達 來源://packerng.com 時(shi)間:2018-01-18 09:16:16 瀏覽次數:

電梯“自導式”安裝施工過程有哪些安全隱患?下面跟著山西電梯公司合興永達的小編一起看看吧?! (1)施工過程掉落的沙石將造成鋼絲繩和曳引輪的不正常磨損。

電梯“自導式”安裝施工過程有哪些安全隱患?下面跟著山(shan)西電(dian)梯公(gong)司合興永達的小編一起看看吧!

(1)施(shi)工(gong)過程(cheng)掉(diao)落的沙(sha)(sha)石(shi)將(jiang)造成鋼(gang)絲繩(sheng)(sheng)(sheng)和曳(ye)(ye)引(yin)(yin)(yin)輪的不正(zheng)常磨(mo)損。在電(dian)梯(ti)(ti)井道(dao)中階段的基礎安(an)裝(zhuang)工(gong)程(cheng)有大(da)量(liang)的導(dao)(dao)軌固定支(zhi)架,需(xu)要在整個井道(dao)墻壁四周打(da)洞、打(da)孔以(yi)及安(an)裝(zhuang)廳門檻門框時需(xu)打(da)孔固定,將(jiang)產生大(da)量(liang)殘(can)石(shi)和泥(ni)沙(sha)(sha),這些殘(can)石(shi)和泥(ni)沙(sha)(sha)將(jiang)落在電(dian)梯(ti)(ti)轎廂各部位(wei)和電(dian)梯(ti)(ti)曳(ye)(ye)引(yin)(yin)(yin)鋼(gang)絲繩(sheng)(sheng)(sheng)槽內。泥(ni)沙(sha)(sha)留(liu)積在曳(ye)(ye)引(yin)(yin)(yin)鋼(gang)絲繩(sheng)(sheng)(sheng)槽內將(jiang)無法清理干凈,這時泥(ni)沙(sha)(sha)將(jiang)降低(di)曳(ye)(ye)引(yin)(yin)(yin)鋼(gang)絲繩(sheng)(sheng)(sheng)與曳(ye)(ye)引(yin)(yin)(yin)輪之間摩擦面的摩擦系數(shu),可能導(dao)(dao)致曳(ye)(ye)引(yin)(yin)(yin)鋼(gang)絲繩(sheng)(sheng)(sheng)在曳(ye)(ye)引(yin)(yin)(yin)輪上打(da)滑,在平常使用過程(cheng)中將(jiang)可能下墜(zhui)而造成重大(da)安(an)全事故(gu),并(bing)造成曳(ye)(ye)引(yin)(yin)(yin)鋼(gang)絲繩(sheng)(sheng)(sheng)和曳(ye)(ye)引(yin)(yin)(yin)輪的不正(zheng)常磨(mo)損。

(2)沖(chong)擊下來的碎石、泥沙等將損(sun)壞(huai)導(dao)軌(gui)與(yu)導(dao)靴(xue)。大量沖(chong)擊下來的碎石、泥沙沾在(zai)已上油的導(dao)軌(gui)及轎廂的四個導(dao)靴(xue)中(zhong)(zhong),在(zai)上下不斷(duan)運(yun)行(xing)過(guo)程(cheng)(cheng)中(zhong)(zhong)會(hui)使原(yuan)裝導(dao)軌(gui)與(yu)導(dao)靴(xue)產生(sheng)互(hu)相劇烈磨(mo)損(sun),將嚴重破壞(huai)導(dao)軌(gui)表面層與(yu)4只(zhi)導(dao)靴(xue),造(zao)成導(dao)軌(gui)表面大量劃痕(hen),破壞(huai)導(dao)軌(gui)表面的原(yuan)有精度,使電梯運(yun)行(xing)過(guo)程(cheng)(cheng)產生(sheng)尖(jian)叫等異響。導(dao)靴(xue)尚可更換,而導(dao)軌(gui)卻(que)沒(mei)法(fa)更換。

(3)焊(han)(han)接過程將燒傷或燒蝕曳(ye)(ye)引(yin)(yin)鋼(gang)絲繩(sheng)。大(da)(da)量固定(ding)導軌(gui)用(yong)的支架都需在安裝現(xian)場焊(han)(han)接固定(ding),焊(han)(han)接導軌(gui)支架都會產生(sheng)飛濺的火(huo)花,掉在曳(ye)(ye)引(yin)(yin)鋼(gang)絲繩(sheng)上會燒傷曳(ye)(ye)引(yin)(yin)鋼(gang)絲繩(sheng),容(rong)易引(yin)(yin)起(qi)多股斷(duan)絲,造成平常使用(yong)時的重大(da)(da)安全隱患。

(4)施(shi)工(gong)過程將(jiang)造(zao)(zao)成(cheng)電(dian)梯的(de)安(an)(an)(an)全(quan)(quan)(quan)(quan)限速(su)(su)器和(he)安(an)(an)(an)全(quan)(quan)(quan)(quan)鉗失靈。電(dian)梯中(zhong)的(de)安(an)(an)(an)全(quan)(quan)(quan)(quan)限速(su)(su)器和(he)安(an)(an)(an)全(quan)(quan)(quan)(quan)鉗是關(guan)鍵(jian)的(de)安(an)(an)(an)全(quan)(quan)(quan)(quan)保護(hu)(hu)設備(bei)部件,負責保護(hu)(hu)整臺電(dian)梯上人們的(de)生命財產(chan)安(an)(an)(an)全(quan)(quan)(quan)(quan),一旦(dan)出了(le)問(wen)題(ti),就會造(zao)(zao)成(cheng)人命關(guan)天的(de)大事。電(dian)梯限速(su)(su)器與安(an)(an)(an)全(quan)(quan)(quan)(quan)鉗的(de)位置(zhi)靠主導軌(gui)支架施(shi)工(gong)焊接,與打洞孔(kong)位置(zhi)距離(li)(li)近,焊接時(shi)產(chan)生的(de)火花和(he)鐵水(shui),很(hen)容(rong)易燒(shao)傷限速(su)(su)器的(de)鋼(gang)(gang)絲繩(sheng),在(zai)施(shi)工(gong)時(shi)不(bu)(bu)容(rong)易被發(fa)現(xian),但(dan)當電(dian)梯正常運行時(shi),被燒(shao)傷的(de)限速(su)(su)器上的(de)鋼(gang)(gang)絲繩(sheng)就會發(fa)生多股斷(duan)(duan)絲,在(zai)瞬間(jian)剎車時(shi)很(hen)可(ke)能造(zao)(zao)成(cheng)斷(duan)(duan)繩(sheng)或失靈。安(an)(an)(an)全(quan)(quan)(quan)(quan)鉗的(de)齒面離(li)(li)導軌(gui)的(de)側(ce)面只(zhi)有2mm左右的(de)間(jian)隙,沖擊下來的(de)泥沙不(bu)(bu)斷(duan)(duan)的(de)落下填滿了(le)縫隙,安(an)(an)(an)全(quan)(quan)(quan)(quan)鉗中(zhong)的(de)牙齒就不(bu)(bu)可(ke)能會咬(yao)緊在(zai)導軌(gui)上,一旦(dan)電(dian)梯下墜時(shi)安(an)(an)(an)全(quan)(quan)(quan)(quan)鉗必然(ran)會失靈,將(jiang)造(zao)(zao)成(cheng)特大安(an)(an)(an)全(quan)(quan)(quan)(quan)事故。


(5)施(shi)工(gong)(gong)(gong)完成(cheng)后的清(qing)理(li)工(gong)(gong)(gong)作(zuo)將造成(cheng)工(gong)(gong)(gong)作(zuo)鋼(gang)(gang)絲繩(sheng)的損傷(shang)。由(you)于(yu)顛倒(dao)了(le)安裝(zhuang)(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)藝程(cheng)序,在(zai)階段首先把電梯轎(jiao)廂(xiang)組裝(zhuang)(zhuang)(zhuang)在(zai)井(jing)道(dao)底層(ceng),把對重(zhong)裝(zhuang)(zhuang)(zhuang)置(zhi)懸(xuan)空掛在(zai)頂層(ceng)利(li)用原裝(zhuang)(zhuang)(zhuang)轎(jiao)廂(xiang)作(zuo)為施(shi)工(gong)(gong)(gong)作(zuo)業平臺,直至施(shi)工(gong)(gong)(gong)到頂部。然(ran)后,沿著已裝(zhuang)(zhuang)(zhuang)的主(zhu)導軌向下運行(xing)時,再(zai)去清(qing)理(li)殘留在(zai)井(jing)道(dao)墻壁(bi)四周從(cong)上至下的數量之多又(you)較粗的預埋鋼(gang)(gang)筋(jin)頭及殘石等(deng)雜物。他們的清(qing)理(li)辦法是從(cong)頂層(ceng)開(kai)始(shi)采用乙(yi)炔氧氣風(feng)割或用電焊去燒掉,燒下來(lai)的鐵(tie)水(shui)和(he)鋼(gang)(gang)筋(jin)從(cong)上百米的高(gao)度不(bu)斷(duan)飛(fei)濺散(san)落下來(lai)。從(cong)上百米高(gao)處(chu)(chu)(chu)落下來(lai)的鋼(gang)(gang)筋(jin)和(he)鐵(tie)水(shui),無論落到何處(chu)(chu)(chu),都會使(shi)已裝(zhuang)(zhuang)(zhuang)在(zai)井(jing)道(dao)中的設備受(shou)到嚴重(zhong)損傷(shang)。當(dang)轎(jiao)廂(xiang)在(zai)高(gao)處(chu)(chu)(chu)時,對重(zhong)裝(zhuang)(zhuang)(zhuang)置(zhi)必然(ran)是在(zai)下面,從(cong)機房到轎(jiao)廂(xiang),從(cong)轎(jiao)廂(xiang)到對重(zhong)裝(zhuang)(zhuang)(zhuang)置(zhi),從(cong)對重(zhong)到至機房,架好的工(gong)(gong)(gong)作(zuo)鋼(gang)(gang)絲繩(sheng)每一排(pai)6-9根共(gong)4排(pai),20-30多根像一條長達百米的絲網(wang)懸(xuan)掛在(zai)井(jing)道(dao)的后側和(he)左右側位(wei)置(zhi),這種(zhong)違背施(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)藝的施(shi)工(gong)(gong)(gong)難于(yu)保證(zheng)不(bu)傷(shang)害到工(gong)(gong)(gong)作(zuo)鋼(gang)(gang)絲繩(sheng)。

這種違章的電梯(ti)安裝施工(gong)方法不但留下嚴重的安全隱患,也違背了《GB7588》、《GB10058》、《GB10060》及《GB19155-2003》等標準的硬性要求。

綜上所述,正確的電(dian)梯施工(gong)安裝程(cheng)序,嚴格的按照(zhao)標準(zhun)進行(xing)施工(gong)是保證電(dian)梯安全的基本.


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