冶(ye)金(jin)(jin)起(qi)重(zhong)機:是制依靠沿廠(chang)房軌(gui)道方向的(de)縱向移動、小車的(de)橫向移動和吊(diao)鉤(gou)的(de)升降運(yun)動來進行工(gong)作。適(shi)用于(yu)(yu)(yu)金(jin)(jin)屬冶(ye)煉車間，用于(yu)(yu)(yu)吊(diao)運(yun)熔融金(jin)(jin)屬的(de)專用起(qi)重(zhong)機。冶(ye)金(jin)(jin)起(qi)重(zhong)機應用 一般適(shi)用于(yu)(yu)(yu)-10℃到+50℃的(de)環境溫度(du)(du)，在40℃的(de)溫度(du)(du)下(xia)相對(dui)(dui)濕度(du)(du)不超過50%,所吊(diao)運(yun)的(de)熔融金(jin)(jin)屬對(dui)(dui)鍛鉤(gou)、板鉤(gou)的(de)輻射(she)溫度(du)(du)不超過300℃。工(gong)作級別：A7、A8用于(yu)(yu)(yu)相對(dui)(dui)繁忙的(de)冶(ye)金(jin)(jin)鑄造車間。

適用范(fan)圍

　　 冶(ye)金(jin)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)主要適(shi)用于金(jin)屬冶(ye)煉、扎(zha)制和熱加工等的專用起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)。其中包括(kuo)平(ping)爐加料(liao)(liao)(liao)橋式起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji),天車(che),行車(che),、地面加料(liao)(liao)(liao)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)、料(liao)(liao)(liao)箱起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)、脫錠起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)、整(zheng)模起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)、揭蓋起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)、夾鉗起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)、板坯翻轉(zhuan)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)、鍛(duan)造起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)、加熱爐裝取料(liao)(liao)(liao)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)、料(liao)(liao)(liao)箱-電磁起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)、料(liao)(liao)(liao)箱-抓(zhua)斗起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)。其他類似(si)的冶(ye)金(jin)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)也(ye)可參(can)照(zhao)使用 。

使(shi)用環境(jing)條件

　　 冶金起重機(ji)(以下(xia)簡稱起重機(ji))的設(she)計、制造應(ying)符(fu)合GB3811、本標準(zhun)和產品(pin)圖樣的有關規定。

1.環境條件

　　 1.1 起(qi)(qi)重(zhong)機(ji)(ji)(ji)的(de)電(dian)(dian)(dian)源一般為(wei)(wei)三相(xiang)交流(liu)，頻(pin)率為(wei)(wei)50Hz，電(dian)(dian)(dian)壓(ya)為(wei)(wei)380V。電(dian)(dian)(dian)動機(ji)(ji)(ji)和電(dian)(dian)(dian)器上(shang)允許電(dian)(dian)(dian)壓(ya)波動的(de)上(shang)限為(wei)(wei)額(e)(e)定(ding)電(dian)(dian)(dian)壓(ya)的(de)+10％，下限（尖峰電(dian)(dian)(dian)流(liu)時）為(wei)(wei)額(e)(e)定(ding)電(dian)(dian)(dian)壓(ya)的(de)-15％，其中起(qi)(qi)重(zhong)機(ji)(ji)(ji)的(de)內部電(dian)(dian)(dian)壓(ya)損失，對脫錠起(qi)(qi)重(zhong)機(ji)(ji)(ji)、夾鉗起(qi)(qi)重(zhong)機(ji)(ji)(ji)、具有導架的(de)整模起(qi)(qi)重(zhong)機(ji)(ji)(ji)和板坯翻轉起(qi)(qi)重(zhong)機(ji)(ji)(ji)不(bu)超過(guo)5％，本標準中其他(ta)類(lei)型的(de)起(qi)(qi)重(zhong)機(ji)(ji)(ji)應不(bu)超過(guo)4％。如電(dian)(dian)(dian)源有特殊要求時，可按用戶(hu)需要，由(you)供需雙方協(xie)商(shang)確(que)定(ding)。 　　

　　 1.2 起(qi)重機安裝使(shi)用(yong)地點的(de)(de)海拔高(gao)度不超過2000m(超過1000m時應按(an)GB755的(de)(de)有(you)關規(gui)定(ding)對電動機容(rong)量進行校(xiao)核).

　　 1.3 起重機的工作環境溫度和濕度 　　

　　 a. 起重機(ji)的工(gong)作(zuo)環境溫度一般(ban)為-10~+50℃。 　　

　　 b. 在(zai)+40℃的溫(wen)度下相(xiang)對濕度不超(chao)過50％。 　　

　　 1.4 使用起重機的場地不(bu)得有易燃、易爆以及(ji)腐(fu)蝕(shi)性(xing)氣(qi)體并應符合(he)有關標(biao)準和(he)文(wen)件的規定. 　　

　　 1.5 起(qi)重機運行軌(gui)道的安裝一般應符合GB10183的要求(qiu)，如遇特殊(shu)情況可按需要另行規定.