Construction machine and milling roller

Details Construction machine and milling roller Construction machine and milling roller

E - Fixed Constructions

01

C

E01C 23/088 (2006.01)

Patent

CA 2378118

In a construction machine comprising a machine frame (2) having a milling roller (18) arranged for rotation therein, the milling roller (18) comprising a roller base body (19) driven by a milling roller drive device (11 to 15) via a transmission unit (32), and a milling tube (25) to be coaxially mounted on the roller base body (19) and to be attached in a manner allowing exchange thereof, with the milling tube (25) carrying cutting tools on its outer surface (46), it is provided that the milling tube (25) comprises fastening elements (28), radially projecting from the inner surface (44), by which the milling tube (25) can be mounted in a rotationally fixed manner to the roller base body (19) or to a member connected to the roller base body (19).

L'invention concerne un engin de construction comportant un châssis (2) dans lequel un cylindre de fraisage (18) est monté rotatif. Ledit cylindre de fraisage (18) comporte un corps de base cylindrique (19) entraîné par un dispositif d'entraînement de cylindre de fraisage (11 à 15) par l'intermédiaire d'une unité de transmission (32) et un tube de fraisage (25) fixé de manière échangeable, pouvant être poussé dans le sens coaxial sur le corps de base cylindrique (19). Le tube de fraisage (25) porte des outils de coupe sur sa surface d'enveloppe extérieure (46). Il est prévu que le tube de fraisage (25) présente des éléments de fixation (28) faisant saillie dans le sens radial de la surface d'enveloppe intérieure (44) et destinés à fixer le tube de fraisage (25) bloqué en rotation sur le corps de base cylindrique (19) ou sur une partie liée au corps de base cylindrique (19).

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