Device for installing an internal clamp in an inaccessible pipe

Details Device for installing an internal clamp in an inaccessible pipe Device for installing an internal clamp in an inaccessible pipe

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/26 (2006.01) F16L 55/165 (2006.01) G02B 6/50 (2006.01) G02B 6/54 (2006.01) H02G 1/08 (2006.01)

Patent

CA 2348628

The invention relates to a device (10) for mounting an internal clamp in a pipe (14) which is not man-sized. Said device comprises a mount (16) which can be movably supported in the longitudinal direction (R) of said pipe, on its internal wall (14'), as well as a clamp mounting head (64) which is placed on the mount (16) in such a way that it can move in a radial direction relatively to the longitudinal direction (18') of said mount and engage a part (58) of the internal clamp (12). The inventive device also comprises a pinion (88) which can rotate relatively to the clamp mounting head (64) and engage another part (12') of the internal clamp (12), said pinion being used to move away the internal clamp (12) as well as driving elements used to displace in a radial outward direction the clamp mounting head (64) in order to mount the internal clamp (12) by means of its displacement, and also used to rotate and turn the pinion (8). The inventive mounting device (10) can be used to couple a clamp carriage (11) which can be equipped with an interchangeable clamp magazine (106).

L'invention concerne un dispositif (10) pour monter une bride interne (12) dans un tuyau (14) non accessible à l'homme. Ce dispositif comprend un châssis (16) pouvant prendre appui de manière mobile dans le sens longitudinal (R) du tuyau, sur la paroi interne (14') de ce dernier, ainsi qu'une tête de montage de bride (64) placée sur le châssis (16) de manière à pouvoir se déplacer radialement par rapport au sens longitudinal (18') de ce châssis, et pouvant être mise en contact avec une partie (58) de la bride intérieure (12). Ce dispositif comprend également un pignon (88) pouvant pivoter par rapport à la tête de montage de bride (64) et pouvant être mis en contact avec une autre partie (12) de la bride interne (12), ledit pignon servant à écarter la bride interne (12), ainsi que des éléments d'entraînement permettant de déplacer radialement vers l'extérieur la tête de montage de bride (64) pour monter la bride interne (12) par écartement de cette dernière, et permettant de faire pivoter et tourner le pignon (8). Ce dispositif de montage (10) permet d'accoupler un chariot à brides (11) pouvant être équipé d'un magasin à brides interchangeable (106).

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