金屬(shu)頂(ding)梁是用于煤(mei)礦采(cai)煤(mei)工作面、位于單體液壓支柱之上(shang)頂(ding)板之下、傳遞頂(ding)板壓力的支撐梁。
金屬(shu)頂梁介(jie)紹(shao)
金屬(shu)頂(ding)梁(liang)(liang)(liang)(liang)(liang)是(shi)用(yong)于煤(mei)礦采煤(mei)工(gong)作(zuo)面(mian)(mian)、位于單體液壓(ya)(ya)支(zhi)(zhi)(zhi)柱之上(shang)頂(ding)板(ban)之下、傳(chuan)遞頂(ding)板(ban)壓(ya)(ya)力的支(zhi)(zhi)(zhi)撐梁(liang)(liang)(liang)(liang)(liang)。是(shi)煤(mei)礦采煤(mei)工(gong)作(zuo)面(mian)(mian)支(zhi)(zhi)(zhi)護(hu)項(xiang)板(ban)用(yong)的頂(ding)梁(liang)(liang)(liang)(liang)(liang)。按(an)連(lian)接方式金屬(shu)頂(ding)梁(liang)(liang)(liang)(liang)(liang)可分(fen)(fen)為鉸(jiao)接頂(ding)梁(liang)(liang)(liang)(liang)(liang)和非鉸(jiao)接頂(ding)梁(liang)(liang)(liang)(liang)(liang)兩種(zhong)。按(an)頂(ding)梁(liang)(liang)(liang)(liang)(liang)梁(liang)(liang)(liang)(liang)(liang)體截面(mian)(mian)形狀(zhuang)金屬(shu)頂(ding)梁(liang)(liang)(liang)(liang)(liang)可分(fen)(fen)為A型(xing)、B型(xing)、C型(xing)、D型(xing)頂(ding)梁(liang)(liang)(liang)(liang)(liang)四種(zhong)。金屬(shu)頂(ding)梁(liang)(liang)(liang)(liang)(liang)可與各種(zhong)類型(xing)單體金屬(shu)支(zhi)(zhi)(zhi)柱配(pei)合組成金屬(shu)支(zhi)(zhi)(zhi)架，供煤(mei)礦在水(shui)平(ping)及(ji)緩傾斜(xie)回采工(gong)作(zuo)面(mian)(mian)支(zhi)(zhi)(zhi)護(hu)的一種(zhong)**度頂(ding)梁(liang)(liang)(liang)(liang)(liang)由(you)于這(zhe)種(zhong)頂(ding)梁(liang)(liang)(liang)(liang)(liang)能懸壁支(zhi)(zhi)(zhi)護(hu)工(gong)作(zuo)面(mian)(mian)，煤(mei)壁面(mian)(mian)前邊的運輸機道上(shang)面(mian)(mian)的頂(ding)板(ban)，使煤(mei)壁與支(zhi)(zhi)(zhi)柱間有較(jiao)大(da)的支(zhi)(zhi)(zhi)護(hu)空間。