桁(heng)(heng)(heng)架用(yong)作主梁(liang)時(shi)(shi)，使(shi)用(yong)中(zhong)間(jian)兩個孔(kong)作為橋(qiao)梁(liang)時(shi)(shi)，使(shi)用(yong)端部兩個孔(kong)，以加強(qiang)兩排桁(heng)(heng)(heng)架之間(jian)的聯系(xi)；風構孔(kong)用(yong)于連接(jie)(jie)(jie)(jie)抗風拉桿；端豎上的支(zhi)(zhi)撐(cheng)孔(kong)用(yong)于安裝支(zhi)(zhi)撐(cheng)、斜撐(cheng)和(he)連接(jie)(jie)(jie)(jie)板；下弦(xian)夾(jia)具(ju)(ju)(ju)孔(kong)用(yong)于安裝安裝橫梁(liang)夾(jia)具(ju)(ju)(ju)。下弦(xian)夾(jia)具(ju)(ju)(ju)上有4塊，用(yong)于安裝橫梁(liang)夾(jia)具(ju)(ju)(ju)具(ju)(ju)(ju)。下弦(xian)夾(jia)具(ju)(ju)(ju)上設(she)有4塊，需(xu)要用(yong)于提升(sheng)26千(qian)克；如(ru)果需(xu)要提升(sheng)26千(qian)克，則需(xu)要提升(sheng)手(shou)臂(bei)；如(ru)果需(xu)要提升(sheng)手(shou)臂(bei)之后(hou)需(xu)要提升(sheng)手(shou)臂(bei)。由桁(heng)(heng)(heng)架單元(yuan)(yuan)、桁(heng)(heng)(heng)架銷、端柱(zhu)、強(qiang)化弦(xian)桿、桁(heng)(heng)(heng)架螺(luo)(luo)栓(shuan)、弦(xian)桿螺(luo)(luo)栓(shuan)等組成。桁(heng)(heng)(heng)架單元(yuan)(yuan)(白色框架)和(he)桁(heng)(heng)(heng)架銷榆架單元(yuan)(yuan):由上下弦(xian)桿、豎桿和(he)斜撐(cheng)焊接(jie)(jie)(jie)(jie)而成。上下弦(xian)桿的一(yi)端是陰(yin)頭(tou)(tou)，另一(yi)端是陽(yang)頭(tou)(tou)，陰(yin)陽(yang)頭(tou)(tou)上有銷孔(kong)。當(dang)兩個桁(heng)(heng)(heng)架拼接(jie)(jie)(jie)(jie)時(shi)(shi)，將(jiang)一(yi)個陽(yang)頭(tou)(tou)插入(ru)另一(yi)個陰(yin)頭(tou)(tou)，對(dui)準銷孔(kong)，插入(ru)銷孔(kong)。桁(heng)(heng)(heng)架各(ge)孔(kong)用(yong)于組裝雙(shuang)(shuang)層或(huo)(huo)強(qiang)化橋(qiao)梁(liang)時(shi)(shi)，將(jiang)桁(heng)(heng)(heng)架螺(luo)(luo)栓(shuan)或(huo)(huo)弦(xian)梁(liang)時(shi)(shi)，將(jiang)桁(heng)(heng)(heng)架螺(luo)(luo)栓(shuan)或(huo)(huo)弦(xian)螺(luo)(luo)栓(shuan)插入(ru)弦(xian)螺(luo)(luo)栓(shuan)孔(kong)中(zhong)，使(shi)雙(shuang)(shuang)層榆架或(huo)(huo)布架與強(qiang)化弦(xian)連接(jie)(jie)(jie)(jie)；支(zhi)(zhi)撐(cheng)孔(kong)用(yong)于安裝支(zhi)(zhi)撐(cheng)架。