當水平(ping)管(guan)(guan)(guan)道(dao)向上(shang)垂直彎曲成(cheng)為(wei)立(li)管(guan)(guan)(guan)敷設時,除在(zai)立(li)管(guan)(guan)(guan)上(shang)安(an)裝支承(cheng)立(li)管(guan)(guan)(guan)支架(jia)外,在(zai)彎管(guan)(guan)(guan)處(chu)還要用固(gu)定托架(jia)將立(li)管(guan)(guan)(guan)托住,該(gai)托架(jia)要承(cheng)受立(li)管(guan)(guan)(guan)及(ji)保(bao)溫層、立(li)管(guan)(guan)(guan)上(shang)裝設的閥(fa)門(men)附件(jian)等重(zhong)量。
彎管用(yong)(yong)固定(ding)托(tuo)架可用(yong)(yong)管柱(即(ji)一段(duan)管子)支托(tuo),也可用(yong)(yong)鋼(gang)板作成工(gong)字形(xing)支托(tuo),其結構形(xing)式如(ru)圖2-25所示(shi)。支托(tuo)焊(han)在柱腳板上,柱腳板可與(yu)(yu)地(di)腳螺栓固定(ding),或(huo)與(yu)(yu)基礎的(de)預埋鋼(gang)板合而為一。

DN100~300的彎管(guan)固定(ding)托(tuo)架材料規格見表2-11.

管道安(an)裝得是(shi)否(fou)安(an)全、牢(lao)固、平直、符合坡度要求等,其(qi)重要條件是(shi)支、吊架設計、制(zhi)作、安(an)裝等各環節是(shi)否(fou)正確。

