①. 單(dan)式鉸(jiao)鏈型膨脹節,由(you)一(yi)個波紋管(guan)及銷軸和鉸(jiao)鏈板組成(cheng),用于(yu)吸收單(dan)平面角位移[圖9-12(a)]。


  ②. 單式萬向(xiang)鉸鏈型膨脹(zhang)節,由(you)一個波(bo)紋管及萬向(xiang)環、銷軸和鉸鏈板組成,能吸收多平面角位移[圖(tu)9-12(b)]。


  ③. 復式拉桿(gan)型膨脹節,由(you)用中間管(guan)連接的(de)兩個波紋(wen)管(guan)及(ji)拉桿(gan)組成,能吸收多(duo)平(ping)面(mian)橫向位移和拉桿(gan)間膨脹節本身的(de)軸向位移。


  ④. 復式鉸(jiao)鏈型膨脹(zhang)節,由用(yong)中間管(guan)連接的兩個波紋管(guan)及(ji)銷軸(zhou)和(he)鉸(jiao)鏈板(ban)組成,能吸收單平面橫(heng)向(xiang)位移和(he)膨脹(zhang)節本身(shen)的軸(zhou)向(xiang)位移。


  ⑤. 復式萬(wan)向(xiang)(xiang)鉸鏈(lian)型(xing)膨(peng)脹節(jie)(jie),由(you)用中間管連(lian)接的兩個波紋(wen)管及銷軸(zhou)和(he)(he)鉸鏈(lian)板組成,能(neng)吸收互(hu)相垂(chui)直的兩個平面橫(heng)向(xiang)(xiang)位(wei)移和(he)(he)膨(peng)脹節(jie)(jie)本身的


  ⑥. 彎(wan)管(guan)(guan)(guan)(guan)(guan)壓(ya)力(li)(li)平(ping)衡型膨(peng)脹節,由一個(ge)工(gong)作(zuo)波(bo)(bo)紋管(guan)(guan)(guan)(guan)(guan)或(huo)用中間(jian)(jian)連接(jie)的兩個(ge)工(gong)作(zuo)波(bo)(bo)紋管(guan)(guan)(guan)(guan)(guan)及一個(ge)平(ping)衡波(bo)(bo)紋管(guan)(guan)(guan)(guan)(guan)構成,工(gong)作(zuo)波(bo)(bo)紋管(guan)(guan)(guan)(guan)(guan)與平(ping)衡波(bo)(bo)紋管(guan)(guan)(guan)(guan)(guan)間(jian)(jian)裝有(you)彎(wan)頭或(huo)三通(tong),平(ping)衡波(bo)(bo)紋管(guan)(guan)(guan)(guan)(guan)一端有(you)封頭并(bing)承受管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)內(nei)壓(ya),工(gong)作(zuo)波(bo)(bo)紋管(guan)(guan)(guan)(guan)(guan)和平(ping)衡波(bo)(bo)紋管(guan)(guan)(guan)(guan)(guan)外端間(jian)(jian)裝有(you)拉(la)桿(gan)。此(ci)種膨(peng)脹節能吸收軸向(xiang)(xiang)(xiang)位移(yi)和/或(huo)橫向(xiang)(xiang)(xiang)位移(yi)。拉(la)桿(gan)能約(yue)束波(bo)(bo)紋管(guan)(guan)(guan)(guan)(guan)壓(ya)力(li)(li)、推力(li)(li)。常用于管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)方(fang)向(xiang)(xiang)(xiang)改變處(chu)。


  ⑦. 直管(guan)(guan)壓力平衡(heng)型膨脹節,一般由位于(yu)(yu)兩(liang)端的兩(liang)個(ge)工(gong)(gong)(gong)作波紋管(guan)(guan)及有(you)效面積(ji)等(deng)于(yu)(yu)兩(liang)倍工(gong)(gong)(gong)作波紋管(guan)(guan)有(you)效面積(ji)、位于(yu)(yu)中間的一個(ge)平衡(heng)波紋管(guan)(guan)組成,兩(liang)套拉桿(gan)分別將每一個(ge)工(gong)(gong)(gong)作波紋管(guan)(guan)與平衡(heng)波紋管(guan)(guan)相(xiang)互連(lian)接起來(lai)。此種膨脹節能吸(xi)收軸向位移。拉桿(gan)能約束波紋管(guan)(guan)壓力、推力。


  ⑧. 帶約(yue)束的金屬(shu)波紋(wen)管(guan)膨脹節的共同特點是(shi)管(guan)道的內壓推力(俗稱盲板力)沒有作用于固定點或限位點處(chu),而是(shi)由約(yue)束波紋(wen)管(guan)膨脹節用的金屬(shu)部件承受。


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