Pipe manipulator

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 7/16 (2006.01) B21D 43/00 (2006.01)

Patent

CA 2758817

The invention relates to a pipe manipulator for loading and unloading pipes, for use in a device for bending pipes of large diameters, wherein in said device for bending pipes, a pipe is guided in the axial direction through an inductively operating heating device that annularly encloses said pipe, a receiving sleeve that can be moved axially in the advancing direction of the pipe is provided at the end of the pipe, said receiving sleeve being rigidly connected to the device for bending pipes, the receiving sleeve reaches into the pipe from the inside and clamps the pipe in place from inside, the receiving sleeve applies the axial force by means of which the pipe is pushed through the inductively operating heating device, the receiving sleeve guides the pipe axially through the inductively operating heating device in a defined manner until the rear end is fixed in the front gripping element on the bending arm.

L'invention concerne un manipulateur de tubes pour charger et décharger des tubes (8) destiné à être utilisé dans un dispositif pour fléchir des tubes (8) de grand diamètre. Dans ce dispositif de flexion, un tube (8) est guidé dans la direction axiale à travers un dispositif de chauffage (3) agissant de manière inductive, entourant ce tube (8) sous forme annulaire, une douille de réception (5) déplaçable axialement dans la direction d'avance du tube (8) est disposée à l'extrémité du tube (8), et est connectée fixement au dispositif pour fléchir des tubes, la douille de réception (5) vient en prise depuis l'intérieur dans le tube (8) et serre ainsi le tube fixement depuis l'intérieur, la douille de réception (5) applique la force axiale avec laquelle le tube (8) est poussé à travers le dispositif de chauffage agissant de manière inductive, et la douille de réception (5) guide le tube (8) de manière définie axialement à travers le dispositif de chauffage (3) agissant de manière inductive, jusqu'à ce que l'extrémité arrière dans le mécanisme de serrage avant (2) soit fixée sur le bras de cintrage.

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