①. 單式(shi)鉸鏈(lian)型膨脹節,由(you)一個波紋(wen)管及銷軸和鉸鏈(lian)板(ban)組成,用于(yu)吸收單平面角位移[圖(tu)9-12(a)]。
②. 單式萬向(xiang)鉸(jiao)鏈型膨(peng)脹節,由(you)一個(ge)波紋管及萬向(xiang)環、銷軸和鉸(jiao)鏈板組成,能(neng)吸收多平面角位移[圖9-12(b)]。
③. 復式拉桿(gan)型膨脹節,由用中間管(guan)連(lian)接的兩個波紋管(guan)及拉桿(gan)組成,能(neng)吸收多平面橫(heng)向位移和拉桿(gan)間膨脹節本身的軸向位移。
④. 復式鉸鏈型膨(peng)脹節(jie),由用中間管(guan)連接的(de)(de)兩個(ge)波紋管(guan)及銷軸和鉸鏈板組成,能(neng)吸收單(dan)平面(mian)橫向位(wei)移(yi)(yi)和膨(peng)脹節(jie)本身(shen)的(de)(de)軸向位(wei)移(yi)(yi)。
⑤. 復式萬(wan)向(xiang)鉸鏈型膨脹節,由用中間管連接的兩(liang)個(ge)波紋管及銷(xiao)軸和鉸鏈板(ban)組成,能吸收互(hu)相垂直(zhi)的兩(liang)個(ge)平面橫(heng)向(xiang)位移和膨脹節本(ben)身(shen)的
⑥. 彎(wan)管(guan)壓(ya)力(li)(li)(li)平(ping)衡(heng)(heng)型膨脹節(jie),由(you)一(yi)個(ge)(ge)工(gong)作波(bo)紋(wen)(wen)(wen)管(guan)或(huo)用中間連接的兩個(ge)(ge)工(gong)作波(bo)紋(wen)(wen)(wen)管(guan)及一(yi)個(ge)(ge)平(ping)衡(heng)(heng)波(bo)紋(wen)(wen)(wen)管(guan)構成,工(gong)作波(bo)紋(wen)(wen)(wen)管(guan)與(yu)平(ping)衡(heng)(heng)波(bo)紋(wen)(wen)(wen)管(guan)間裝(zhuang)有彎(wan)頭或(huo)三(san)通(tong),平(ping)衡(heng)(heng)波(bo)紋(wen)(wen)(wen)管(guan)一(yi)端(duan)有封(feng)頭并承受管(guan)道內(nei)壓(ya),工(gong)作波(bo)紋(wen)(wen)(wen)管(guan)和平(ping)衡(heng)(heng)波(bo)紋(wen)(wen)(wen)管(guan)外端(duan)間裝(zhuang)有拉桿(gan)(gan)。此種(zhong)膨脹節(jie)能吸收軸向(xiang)位移和/或(huo)橫(heng)向(xiang)位移。拉桿(gan)(gan)能約(yue)束波(bo)紋(wen)(wen)(wen)管(guan)壓(ya)力(li)(li)(li)、推(tui)力(li)(li)(li)。常用于管(guan)道方(fang)向(xiang)改變處(chu)。
⑦. 直管(guan)(guan)壓(ya)力平(ping)衡(heng)型膨脹節(jie),一(yi)(yi)般由位于(yu)兩(liang)端的(de)兩(liang)個工(gong)作波(bo)紋(wen)管(guan)(guan)及有效(xiao)(xiao)面積(ji)等于(yu)兩(liang)倍工(gong)作波(bo)紋(wen)管(guan)(guan)有效(xiao)(xiao)面積(ji)、位于(yu)中間的(de)一(yi)(yi)個平(ping)衡(heng)波(bo)紋(wen)管(guan)(guan)組成,兩(liang)套拉桿分別將(jiang)每一(yi)(yi)個工(gong)作波(bo)紋(wen)管(guan)(guan)與平(ping)衡(heng)波(bo)紋(wen)管(guan)(guan)相互連接起來。此(ci)種膨脹節(jie)能吸收軸向位移。拉桿能約束(shu)波(bo)紋(wen)管(guan)(guan)壓(ya)力、推(tui)力。
⑧. 帶約束(shu)(shu)的金屬波紋管(guan)膨(peng)脹(zhang)節的共同(tong)特點是管(guan)道的內壓(ya)推力(俗稱盲板(ban)力)沒有作用(yong)于(yu)固定點或限位點處,而是由約束(shu)(shu)波紋管(guan)膨(peng)脹(zhang)節用(yong)的金屬部件承受。


