①. 單式鉸鏈型膨脹節,由(you)一個波紋管及銷軸和鉸鏈板組成,用于(yu)吸收單平面(mian)角位(wei)移[圖9-12(a)]。


  ②. 單式萬向鉸鏈型膨(peng)脹節(jie),由一個波紋管及萬向環、銷(xiao)軸和鉸鏈板(ban)組(zu)成,能吸收多平面角(jiao)位移[圖9-12(b)]。


  ③. 復式拉(la)桿型膨脹節,由用中(zhong)間(jian)管連(lian)接的兩個波(bo)紋管及拉(la)桿組(zu)成,能吸收多平(ping)面橫向位(wei)移和拉(la)桿間(jian)膨脹節本身的軸向位(wei)移。


  ④. 復式(shi)鉸鏈(lian)型膨脹節,由用中間管(guan)(guan)連接(jie)的(de)兩個(ge)波紋管(guan)(guan)及(ji)銷軸和(he)鉸鏈(lian)板組(zu)成,能吸收單平(ping)面橫向位移和(he)膨脹節本身的(de)軸向位移。


  ⑤. 復式(shi)萬向(xiang)鉸鏈型(xing)膨脹節,由用中間管(guan)連(lian)接的兩(liang)個波紋管(guan)及銷軸和(he)(he)鉸鏈板組成,能吸收互相垂直的兩(liang)個平面(mian)橫(heng)向(xiang)位移和(he)(he)膨脹節本身的


  ⑥. 彎(wan)管(guan)(guan)(guan)壓力(li)平(ping)(ping)衡型膨(peng)脹節(jie),由一(yi)個(ge)工(gong)(gong)作(zuo)波(bo)(bo)紋管(guan)(guan)(guan)或用(yong)中(zhong)間連(lian)接的兩(liang)個(ge)工(gong)(gong)作(zuo)波(bo)(bo)紋管(guan)(guan)(guan)及一(yi)個(ge)平(ping)(ping)衡波(bo)(bo)紋管(guan)(guan)(guan)構(gou)成(cheng),工(gong)(gong)作(zuo)波(bo)(bo)紋管(guan)(guan)(guan)與平(ping)(ping)衡波(bo)(bo)紋管(guan)(guan)(guan)間裝(zhuang)有彎(wan)頭或三(san)通,平(ping)(ping)衡波(bo)(bo)紋管(guan)(guan)(guan)一(yi)端有封頭并承受管(guan)(guan)(guan)道內壓,工(gong)(gong)作(zuo)波(bo)(bo)紋管(guan)(guan)(guan)和平(ping)(ping)衡波(bo)(bo)紋管(guan)(guan)(guan)外(wai)端間裝(zhuang)有拉桿。此種膨(peng)脹節(jie)能吸收軸向(xiang)位(wei)(wei)移(yi)和/或橫向(xiang)位(wei)(wei)移(yi)。拉桿能約束波(bo)(bo)紋管(guan)(guan)(guan)壓力(li)、推力(li)。常用(yong)于(yu)管(guan)(guan)(guan)道方(fang)向(xiang)改變(bian)處。


  ⑦. 直(zhi)管(guan)(guan)壓(ya)力(li)平衡(heng)型膨脹(zhang)節(jie),一般由位于兩端的兩個工(gong)作波(bo)紋(wen)管(guan)(guan)及有效面(mian)積(ji)等于兩倍工(gong)作波(bo)紋(wen)管(guan)(guan)有效面(mian)積(ji)、位于中間的一個平衡(heng)波(bo)紋(wen)管(guan)(guan)組成,兩套(tao)拉桿(gan)分別將每一個工(gong)作波(bo)紋(wen)管(guan)(guan)與(yu)平衡(heng)波(bo)紋(wen)管(guan)(guan)相(xiang)互連接起來。此種(zhong)膨脹(zhang)節(jie)能(neng)吸(xi)收軸向(xiang)位移。拉桿(gan)能(neng)約束波(bo)紋(wen)管(guan)(guan)壓(ya)力(li)、推力(li)。


  ⑧. 帶約束的(de)金(jin)屬(shu)(shu)波紋管(guan)膨脹節的(de)共同特點是管(guan)道的(de)內壓推力(俗稱盲(mang)板力)沒(mei)有作用于固(gu)定點或限位點處,而(er)是由約束波紋管(guan)膨脹節用的(de)金(jin)屬(shu)(shu)部件承受。


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