①. 單式鉸(jiao)鏈型(xing)膨脹(zhang)節,由一(yi)個波紋管及銷軸和鉸(jiao)鏈板組成,用(yong)于吸收單平面角位移[圖9-12(a)]。


  ②. 單式萬(wan)(wan)向鉸鏈(lian)型膨脹節,由(you)一個(ge)波紋管及萬(wan)(wan)向環、銷軸(zhou)和鉸鏈(lian)板組(zu)成,能(neng)吸收(shou)多平面角位(wei)移[圖9-12(b)]。


  ③. 復(fu)式拉(la)桿(gan)型(xing)膨(peng)(peng)脹(zhang)節(jie),由用中(zhong)間管連接的兩個波紋(wen)管及拉(la)桿(gan)組成,能吸(xi)收(shou)多平面橫(heng)向位移和拉(la)桿(gan)間膨(peng)(peng)脹(zhang)節(jie)本身(shen)的軸向位移。


  ④. 復式鉸(jiao)鏈型膨脹(zhang)節,由用中間管連接的兩個波紋管及銷軸和(he)鉸(jiao)鏈板組成(cheng),能(neng)吸收單平面橫向位移和(he)膨脹(zhang)節本(ben)身(shen)的軸向位移。


  ⑤. 復(fu)式萬向(xiang)鉸鏈型(xing)膨(peng)脹節,由用中間管連(lian)接的兩個波紋管及銷(xiao)軸和鉸鏈板組成,能(neng)吸收(shou)互相(xiang)垂直(zhi)的兩個平面橫(heng)向(xiang)位(wei)移(yi)和膨(peng)脹節本身的


  ⑥. 彎(wan)管(guan)壓力(li)平(ping)衡(heng)(heng)型膨(peng)脹節(jie)(jie),由一(yi)(yi)個工(gong)(gong)作波(bo)(bo)紋(wen)(wen)(wen)管(guan)或(huo)用中間連接的兩個工(gong)(gong)作波(bo)(bo)紋(wen)(wen)(wen)管(guan)及一(yi)(yi)個平(ping)衡(heng)(heng)波(bo)(bo)紋(wen)(wen)(wen)管(guan)構成,工(gong)(gong)作波(bo)(bo)紋(wen)(wen)(wen)管(guan)與平(ping)衡(heng)(heng)波(bo)(bo)紋(wen)(wen)(wen)管(guan)間裝有(you)彎(wan)頭或(huo)三(san)通,平(ping)衡(heng)(heng)波(bo)(bo)紋(wen)(wen)(wen)管(guan)一(yi)(yi)端有(you)封頭并承受管(guan)道內壓,工(gong)(gong)作波(bo)(bo)紋(wen)(wen)(wen)管(guan)和平(ping)衡(heng)(heng)波(bo)(bo)紋(wen)(wen)(wen)管(guan)外(wai)端間裝有(you)拉(la)桿(gan)。此種膨(peng)脹節(jie)(jie)能吸(xi)收(shou)軸(zhou)向位(wei)移和/或(huo)橫向位(wei)移。拉(la)桿(gan)能約束波(bo)(bo)紋(wen)(wen)(wen)管(guan)壓力(li)、推力(li)。常用于管(guan)道方向改(gai)變處。


  ⑦. 直(zhi)管壓力(li)平(ping)衡(heng)型膨脹節(jie),一般由位于兩(liang)端的兩(liang)個工(gong)作(zuo)波紋(wen)(wen)管及有效(xiao)面(mian)(mian)積(ji)等于兩(liang)倍工(gong)作(zuo)波紋(wen)(wen)管有效(xiao)面(mian)(mian)積(ji)、位于中間的一個平(ping)衡(heng)波紋(wen)(wen)管組成,兩(liang)套(tao)拉桿(gan)分別將每一個工(gong)作(zuo)波紋(wen)(wen)管與(yu)平(ping)衡(heng)波紋(wen)(wen)管相互連接起來。此種膨脹節(jie)能(neng)吸(xi)收軸(zhou)向位移。拉桿(gan)能(neng)約束(shu)波紋(wen)(wen)管壓力(li)、推力(li)。


  ⑧. 帶約(yue)束的(de)(de)金屬波紋(wen)(wen)管(guan)膨脹(zhang)節(jie)(jie)的(de)(de)共同特(te)點(dian)(dian)是(shi)管(guan)道的(de)(de)內(nei)壓推力(俗稱盲板力)沒有作用(yong)于固定點(dian)(dian)或限位點(dian)(dian)處,而是(shi)由(you)約(yue)束波紋(wen)(wen)管(guan)膨脹(zhang)節(jie)(jie)用(yong)的(de)(de)金屬部件承(cheng)受。


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