公开(公告)号：EP3172474A1

公开(公告)日：2017-05-31

申请号：EP15739577.3

申请日：2015-07-20

申请人： Alstom Technology Limited

发明人： BERNARD, Mathieu ,  GIUSTI, Alexandre

IPC分类号： F16L27/12 ,  H02G5/00 ,  H02G15/26

CPC分类号： H02G5/002 ,  F16L27/12 ,  F16L51/00 ,  H02G5/063

摘要： The invention relates to an expansion joint (1) for a pressurised insulating sheath comprising two sliding portions (9, 11), the first portion (9) comprising a pipe (14) which has a flare (16) followed by a ferrule (17) and a restriction (18) which has a central opening (19), for defining a recess (21) having a cross section which is twice that of the first pipe (14), the second portion (11) comprising another pipe (22) inserted into the opening (19) and into the pipe (14), having a flange (23) surrounding said second pipe (22) and extending into the annular recess (21) in order to divide said recess into two halves, a first aperture (27) passing through the flare (16) and a second aperture (28) passing through the second pipe (22) on the side of the flange (23) opposite the free end thereof, and means (J) for connecting, in a sealed manner, the opening (19) to the other pipe (22), the flange (23) to the recess (21), and the two pipes which are inserted into one another.

摘要翻译： 本发明涉及一种用于包括两个滑动部分（9,11）的加压绝缘护套的膨胀接头（1），第一部分（9）包括具有喇叭口（16）的管道（14），接着是套圈 ）和具有中心开口（19）的限制件（18），所述限制件用于限定具有两倍于所述第一管道（14）的横截面的凹部（21），所述第二部分（11）包括另一管道 ）插入开口（19）中并进入管（14），具有围绕所述第二管（22）并延伸到环形凹部（21）中的凸缘（23）以将所述凹部分成两半，第一 在凸缘（23）的与其自由端相反的一侧上穿过火炬（16）的孔（27）和穿过第二管（22）的第二孔（28），以及用于连接 （19）与另一个管（22），凸缘（23）与凹槽（21）以及彼此插入的两个管密封地连接。