電梯發明：

生活在(zai)繼續，科技(ji)在(zai)發展(zhan)，電(dian)梯(ti)(ti)(ti)也在(zai)進步(bu)(bu)。150年(nian)來(lai)，電(dian)梯(ti)(ti)(ti)的材質由黑白到(dao)彩(cai)色，樣式(shi)由直(zhi)式(shi)到(dao)斜式(shi)，在(zai)操縱控(kong)(kong)制(zhi)方面更是步(bu)(bu)步(bu)(bu)出新——手柄(bing)開關操縱、按(an)鈕(niu)控(kong)(kong)制(zhi)、信號控(kong)(kong)制(zhi)、集選控(kong)(kong)制(zhi)、人機(ji)對話等(deng)等(deng)，多臺電(dian)梯(ti)(ti)(ti)還出現了并(bing)聯控(kong)(kong)制(zhi)，智能(neng);雙層轎廂電(dian)梯(ti)(ti)(ti)展(zhan)示出節(jie)省井道空間，提(ti)升運(yun)輸能(neng)力的優勢;變速式(shi)自動人行(xing)道扶梯(ti)(ti)(ti)的出現大(da)(da)大(da)(da)節(jie)省了行(xing)人的時間;

升(sheng)(sheng)降貨(huo)梯(ti)工(gong)作(zuo)平(ping)臺上的(de)(de)操(cao)(cao)(cao)作(zuo)人員應(ying)(ying)(ying)佩帶安全帶，大(da)噸位貨(huo)梯(ti)生產廠家(jia)，在帶電區域(yu)工(gong)作(zuo)時(shi)，應(ying)(ying)(ying)將車(che)(che)體(ti)按(an)規(gui)定進行接地，升(sheng)(sheng)降貨(huo)梯(ti)登高作(zuo)業應(ying)(ying)(ying)由工(gong)作(zuo)負責人進行指揮，負責人應(ying)(ying)(ying)按(an)照(zhao)標(biao)準(zhun)規(gui)定信(xin)號與升(sheng)(sheng)降貨(huo)梯(ti)操(cao)(cao)(cao)作(zuo)工(gong)進行聯系。發出(chu)的(de)(de)信(xin)號必須(xu)清楚、準(zhun)確；操(cao)(cao)(cao)作(zuo)人員必須(xu)按(an)照(zhao)機械設備(bei)的(de)(de)保養規(gui)定，在執行各項(xiang)(xiang)檢(jian)查(cha)和保養后(hou)方可(ke)(ke)啟動升(sheng)(sheng)降貨(huo)梯(ti)，工(gong)作(zuo)前應(ying)(ying)(ying)檢(jian)查(cha)平(ping)臺車(che)(che)的(de)(de)工(gong)作(zuo)范圍，清除妨礙平(ping)臺車(che)(che)回轉(zhuan)及行走的(de)(de)障礙物；必須(xu)配置(zhi)經過專(zhuan)門(men)培訓，考試合格，持證上崗的(de)(de)操(cao)(cao)(cao)作(zuo)人員；支撐(cheng)是高空作(zuo)業平(ping)臺操(cao)(cao)(cao)作(zuo)的(de)(de)一(yi)項(xiang)(xiang)重要(yao)準(zhun)備(bei)工(gong)作(zuo)，應(ying)(ying)(ying)選擇(ze)平(ping)整(zheng)的(de)(de)地面，如(ru)地基松軟或起(qi)伏不平(ping)，必須(xu)用枕木墊(dian)實后(hou)，才(cai)可(ke)(ke)進行工(gong)作(zuo)。

所有可能產生危險(xian)火花或危險(xian)溫度的部件或部位都必須采取相(xiang)應(ying)的防(fang)爆安(an)全(quan)措施(shi)。

其(qi)(qi)它(ta)部(bu)件(jian)及(ji)其(qi)(qi)防(fang)(fang)爆(bao)(bao)(bao)要求 電(dian)(dian)梯照明(ming)電(dian)(dian)器(qi)及(ji)開(kai)(kai)關、防(fang)(fang)爆(bao)(bao)(bao)接(jie)線(xian)(xian)盒或(huo)(huo)分線(xian)(xian)盒應(ying)選用(yong)(yong)防(fang)(fang)爆(bao)(bao)(bao)等級不(bu)(bu)低(di)于dⅡBT4的(de)(de)(de)(de)隔爆(bao)(bao)(bao)型(xing)(xing)或(huo)(huo)增(zeng)(zeng)安(an)(an)型(xing)(xing)防(fang)(fang)爆(bao)(bao)(bao)電(dian)(dian)器(qi)。 轎(jiao)(jiao)廂內(nei)排風(feng)扇應(ying)選用(yong)(yong)隔爆(bao)(bao)(bao)型(xing)(xing)產(chan)品，其(qi)(qi)防(fang)(fang)爆(bao)(bao)(bao)標志應(ying)不(bu)(bu)低(di)于dⅡBT4等級。 轎(jiao)(jiao)廂內(nei)電(dian)(dian)話機選用(yong)(yong)隔爆(bao)(bao)(bao)與(yu)本安(an)(an)或(huo)(huo)增(zeng)(zeng)安(an)(an)與(yu)本安(an)(an)復合型(xing)(xing)防(fang)(fang)爆(bao)(bao)(bao)產(chan)品，其(qi)(qi)防(fang)(fang)爆(bao)(bao)(bao)標志應(ying)不(bu)(bu)低(di)于d(ib) ⅡBT4型(xing)(xing)等級。 轎(jiao)(jiao)廂門(men)開(kai)(kai)關及(ji)其(qi)(qi)聯鎖電(dian)(dian)氣電(dian)(dian)路應(ying)按本安(an)(an)電(dian)(dian)路設(she)(she)計，其(qi)(qi)防(fang)(fang)爆(bao)(bao)(bao)標志不(bu)(bu)應(ying)低(di)于d(ib)Ⅱ BT4等級。轎(jiao)(jiao)廂門(men)移動時應(ying)防(fang)(fang)止門(men)框及(ji)滾動輪產(chan)生危(wei)險火花，可采取(qu)包敷(fu)尼(ni)龍(long)或(huo)(huo)橡膠等措施。 電(dian)(dian)梯內(nei)移動式(shi)電(dian)(dian)氣設(she)(she)備的(de)(de)(de)(de)塑料外(wai)殼(ke)以及(ji)可能被摩擦或(huo)(huo)擦拭的(de)(de)(de)(de)塑料部(bu)件(jian)應(ying)設(she)(she)計成(cheng)在正常(chang)使用(yong)(yong)、維護和進(jin)行清潔(jie)的(de)(de)(de)(de)情況下(xia)、能避免(mian)產(chan)生引燃危(wei)險的(de)(de)(de)(de)靜電(dian)(dian)電(dian)(dian)荷的(de)(de)(de)(de)結構(gou)。 電(dian)(dian)梯內(nei)含輕金屬的(de)(de)(de)(de)外(wai)殼(ke)材(cai)質，其(qi)(qi)含鎂(mei)量不(bu)(bu)允(yun)許大(da)(da)于6%(質量百分比(bi))。 本安(an)(an)電(dian)(dian)纜與(yu)非本安(an)(an)電(dian)(dian)纜應(ying)分開(kai)(kai)布(bu)置并 走線(xian)(xian)。系統(tong)配線(xian)(xian)應(ying)按爆(bao)(bao)(bao)i炸危(wei)險場所配線(xian)(xian)規程設(she)(she)計，不(bu)(bu)準明(ming)敷(fu)導線(xian)(xian)，應(ying)采用(yong)(yong)鋼管配線(xian)(xian)或(huo)(huo)電(dian)(dian)纜走線(xian)(xian)，線(xian)(xian)徑容量較普通為大(da)(da)，鋼管空腔散熱體積(ji)應(ying)足(zu)夠大(da)(da)。