Rotor end piece

Details Rotor end piece Rotor end piece

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/30 (2006.01) F01D 5/32 (2006.01)

Patent

CA 2558838

The invention relates to a rotor-end for rotors (11) of thermal turbo machines, comprising a peripheral groove (10). The inventive rotor end consists of two end halves (1, 1') having lateral surfaces (3, 3') which are opposite each other when in a built-in state and adjacent covering surfaces (6, 6'). The lateral surfaces (3, 3') of the rotor halves (1, 1') are connected in a positive fit by means of a dovetail suspension. Said rotor end also consists of an entire end intermediate piece (2) provided with a covering surface (7). Both of the suspended end halves (1, 1') are rigidly connected to the entire end intermediate piece (2) by means of a welding seam (9) in the region of the covering surfaces (6, 6', 7). The solid anchoring of the rotor end (1), obtained in said manner, prevents detachment during operation and also the above-mentioned damage to the turbo machine.

L'invention concerne une fermeture destinée à des rotors (11) de turbomachines thermiques (11), présentant une rainure périphérique (10). La fermeture de rotor selon l'invention est composée de deux moitiés de fermeture (1, 1') présentant des surfaces latérales (3, 3') se faisant face à l'état monté et des surfaces de couverture adjacentes (6, 6'), les surfaces latérales (3, 3') des moitiés de fermeture (1, 1') étant connectées mécaniquement par assemblage en queue d'aronde; et d'une pièce intermédiaire de fermeture entière (2) présentant une surface de couverture (7), les deux moitiés de fermeture assemblées (1, 1') étant connectées fixement à la pièce intermédiaire de fermeture entière (2) par l'intermédiaire d'une soudure (9) au niveau des surfaces de couverture (6, 6', 7). L'ancrage fixe ainsi obtenu de la fermeture de rotor (1) permet d'éviter tout désassemblage lors du fonctionnement et donc un endommagement de la turbomachine.

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