橫(heng)(heng)(heng)梁(liang)(liang)﹔橫(heng)(heng)(heng)梁(liang)(liang)上(shang)設有(you)(you)(you)4組(zu)(zu)卡(ka)子，用(yong)(yong)于(yu)限定(ding)(ding)縱梁(liang)(liang)位(wei)置，兩端焊有(you)(you)(you)短(duan)柱用(yong)(yong)于(yu)連接斜撐，兩端底面各有(you)(you)(you)3個凹眼(yan)。安裝橫(heng)(heng)(heng)梁(liang)(liang)時(shi)，將凹眼(yan)套入析架(jia)下弦桿(gan)(gan)橫(heng)(heng)(heng)梁(liang)(liang)墊板上(shang)的(de)栓釘，使(shi)橫(heng)(heng)(heng)梁(liang)(liang)在(zai)析架(jia)上(shang)就(jiu)(jiu)位(wei)。凹眼(yan)的(de)間(jian)(jian)(jian)距(ju)與(yu)析架(jia)間(jian)(jian)(jian)距(ju)相(xiang)同，橫(heng)(heng)(heng)梁(liang)(liang)就(jiu)(jiu)位(wei)后(hou)，析架(jia)的(de)間(jian)(jian)(jian)距(ju)也就(jiu)(jiu)相(xiang)對(dui)固定(ding)(ding)了。橫(heng)(heng)(heng)梁(liang)(liang)夾(jia)具(ju)﹔橫(heng)(heng)(heng)梁(liang)(liang)夾(jia)具(ju)由拉(la)桿(gan)(gan)、懸梁(liang)(liang)和支(zhi)承桿(gan)(gan)﹔部(bu)分(fen)組(zu)(zu)成;用(yong)(yong)于(yu)固定(ding)(ding)橫(heng)(heng)(heng)梁(liang)(liang)。拉(la)桿(gan)(gan)端部(bu)有(you)(you)(you)一凸(tu)頭(tou)，安裝時(shi)將拉(la)桿(gan)(gan)凸(tu)頭(tou)扣入橫(heng)(heng)(heng)梁(liang)(liang)墊板缺口內，懸梁(liang)(liang)的(de)一端勾在(zai)析架(jia)豎桿(gan)(gan)的(de)長方孔上(shang)，再用(yong)(yong)把桿(gan)(gan)（或扳(ban)手）轉動支(zhi)承桿(gan)(gan)，使(shi)其壓緊固定(ding)(ding)橫(heng)(heng)(heng)梁(liang)(liang)。橫(heng)(heng)(heng)梁(liang)(liang)夾(jia)具(ju)不能承受很大的(de)向上(shang)荷載(zai)，因此，當(dang)橫(heng)(heng)(heng)粱(liang)用(yong)(yong)夾(jia)具(ju)夾(jia)住時(shi)，禁止(zhi)用(yong)(yong)千斤頂在(zai)橫(heng)(heng)(heng)梁(liang)(liang)下頂起。橫(heng)(heng)(heng)梁(liang)(liang)的(de)固定(ding)(ding)。