Protective device for a driveshaft

F - Mech Eng,Light,Heat,Weapons – 16 – D

Patent

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Details

F16D 3/84 (2006.01) A01B 71/08 (2006.01)

Patent

CA 2249741

The invention relates to a protective device for a driveshaft 1, which comprises two universal joints 2, 3. The protective device provides complete protection, so that the first universal joint is associated with a protective cone 6 which is provided with an extension in the form of a cone portion 14 in which a sleeve 15 is received in a rotationally fast way. The sleeve 15 cooperates with an adapter ring 21 which has to be secured to an agricultural implement so as to be stationary. The sleeve 15 is positioned on the adapter ring 21. It comprises inwardly directed splines which engage correspondingly distributed grooves 23 in the outer face of the adapter ring 21, so that a rotationally fast connection is achieved. As also the remaining components of the protective device, i.e. the protective tube connected to the first protective cone 6 and the protective tube associated with the second universal joint engage one another in a rotationally fast way, while being firmly connected to the second protective cone by means of an attaching cap, with the latter, together, being secured to the second universal joint, the entire protective device remains rotation-free. The adapter ring 21 and the sleeve 15 to be slid thereon make handling easy.

L'invention porte sur un dispositif de protection pour une ligne d'arbre 1, comportant deux joints universels 2, 3. Le dispositif de protection assure une protection complète, de façon à ce que le premier joint universel soit associé à un élément conique de protection 6 fourni avec un prolongement sous forme d'une partie conique 14 dans laquelle un manchon 15 est reçu d'une façon rotative rapide. Le manchon 15 coopère avec une bague d'adaptation 21 qui doit être fixée à une machine agricole de façon à être stationnaire. Le manchon 15 est placé sur la bague d'adaptation 21. Il comprend des clavettes dirigées vers l'intérieur qui s'engagent dans des rainures correspondantes 23 sur la face extérieure de la bague d'adaptation 21, de façon à effectuer une connexion rotative rapide. Les autres composants du dispositif de protection, par exemple le tube de protection raccordé au premier élément conique de protection 6 et le tube de protection associé au deuxième joint universel, s'engagent l'un l'autre d'une façon rotative rapide, tout en étant fermement raccordés au deuxième élément conique de protection au moyen d'un bouchon de fixation, ce dernier étant fixé au deuxième joint universel, le dispositif de protection complet demeure libre de rotation. La bague d'adaptation 21 et le manchon 15 qui doivent y être glissés facilitent la manutention.

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