產品介(jie)紹
產品用途(tu)：
DJB型金(jin)屬(shu)頂梁是(shi)一(yi)種(zhong)鉸接(jie)式的頂梁，它可(ke)與(yu)各種(zhong)類(lei)型礦用(yong)單體、金(jin)屬(shu)支(zhi)柱(zhu)配合組成(cheng)金(jin)屬(shu)支(zhi)架,供煤(mei)(mei)(mei)礦在水平及緩傾斜回采工(gong)(gong)作面(mian)支(zhi)護(hu)使(shi)用(yong),由于這種(zhong)頂梁能(neng)懸臂支(zhi)護(hu)工(gong)(gong)作面(mian)煤(mei)(mei)(mei)壁前邊的運(yun)輸(shu)機(ji)道上面(mian)的頂板,使(shi)煤(mei)(mei)(mei)壁與(yu)支(zhi)柱(zhu)間(jian)有較大的無支(zhi)護(hu)空(kong)間(jian),故為采用(yong)新型采煤(mei)(mei)(mei)機(ji)械(xie)和可(ke)彎(wan)曲運(yun)輸(shu)機(ji),實現采煤(mei)(mei)(mei)一(yi)般(ban)機(ji)械(xie)化提(ti)供了條件,是(shi)**普采技術必要配套設備。
DJB型金屬頂梁執行(xing)國家行(xing)業標準：MT30—2000
