Device for mounting and demounting a back-up roll bearing unit

Details Device for mounting and demounting a back-up roll bearing unit Device for mounting and demounting a back-up roll bearing unit

B - Operations, Transporting

21

B

B21B 31/08 (2006.01) B21B 31/07 (2006.01)

Patent

CA 2387989

The invention relates to a device for raising and withdrawing a bearing unit (3) of a back-up roll (1) of a roll stand. Said bearing unit is comprised of a piece (4) to be inserted inside which has a roll pin bearing arranged therein. According to the invention, a change-over device (16) is configured so that it can be temporarily coupled to the bearing unit (3) and is provided for effecting an axial movement toward and away from the back-up roll (1).

L'invention concerne un dispositif pour installer et retirer un palier d'un cylindre d'appui faisant partie d'une cage de laminoir, ledit palier comprenant une pièce incorporée à l'intérieur de laquelle est placé un tourillon de cylindre. Selon l'invention, une unité de remplacement, servant à produire un mouvement axial en direction et à partir du cylindre d'appui, peut être accouplée de manière temporaire au palier.

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