適用范圍

冶(ye)(ye)金(jin)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)主(zhu)要(yao)適用(yong)于金(jin)屬冶(ye)(ye)煉、扎制(zhi)和(he)熱(re)加工等的專(zhuan)用(yong)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)。其(qi)(qi)中包括平(ping)爐(lu)加料橋式起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)、地面加料起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)、料箱(xiang)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)、脫錠(ding)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)、整模起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)、揭蓋起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)、夾鉗起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)、板坯翻轉起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)、鍛(duan)造起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)、加熱(re)爐(lu)裝(zhuang)取(qu)料起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)、料箱(xiang)-電磁起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)、料箱(xiang)-抓斗起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)。其(qi)(qi)他類似的冶(ye)(ye)金(jin)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)也可(ke)參照(zhao)使用(yong) 。

使用條件

冶金起(qi)重機(以下簡稱(cheng)起(qi)重機)的(de)設計(ji)、制(zhi)造應符(fu)合GB3811、本標準(zhun)和產品圖樣的(de)有關規定。

1.環境條件

1.1 起(qi)重(zhong)(zhong)機(ji)的(de)(de)電(dian)(dian)源(yuan)一般為三相交流，頻(pin)率為50Hz，電(dian)(dian)壓(ya)為380V。電(dian)(dian)動(dong)機(ji)和電(dian)(dian)器上允許(xu)電(dian)(dian)壓(ya)波動(dong)的(de)(de)上限(xian)為額定電(dian)(dian)壓(ya)的(de)(de)+10%，下限(xian)（尖峰電(dian)(dian)流時）為額定電(dian)(dian)壓(ya)的(de)(de)-15%，其中起(qi)重(zhong)(zhong)機(ji)的(de)(de)內部電(dian)(dian)壓(ya)損失(shi)，對脫錠(ding)起(qi)重(zhong)(zhong)機(ji)、夾(jia)鉗(qian)起(qi)重(zhong)(zhong)機(ji)、具有導架的(de)(de)整模起(qi)重(zhong)(zhong)機(ji)和板坯翻轉(zhuan)起(qi)重(zhong)(zhong)機(ji)不(bu)超過5%，本標準中其他類型的(de)(de)起(qi)重(zhong)(zhong)機(ji)應不(bu)超過4%。

如電(dian)源有特殊(shu)要求(qiu)時，可按用戶需要，由供需雙方協商確定。

1.2 起(qi)重機安裝使用(yong)地(di)點的海拔高度(du)不超過(guo)2000m(超過(guo)1000m時(shi)應按GB755的有關規定對電動機容量進行校(xiao)核).

1.3 起重機的工作環境(jing)溫度和濕度

a. 起重機(ji)的工作環境溫度一般為-10~+50℃。

b. 在(zai)+40℃的(de)溫度(du)下相對濕(shi)度(du)不(bu)超過50%。

1.4 使用(yong)起重機的(de)場地不得有易燃(ran)、易爆以及(ji)腐(fu)蝕性氣體并(bing)應符合有關標準和文件(jian)的(de)規定.

1.5 起(qi)重(zhong)機運行軌道的安裝一般應符合GB10183的要求，如(ru)遇特(te)殊情況可按需要另行規定.