| 摘要 |
<p>The invention relates to a torsionless rotary connection device which is used to connect a fixed end and a rotating end of a connecting element (L). The inventive device comprises a first fixing means (141a) for fixing a fixed region of the connecting element; a second fixing means (141b) for fixing a rotating region of the connecting element, a fixed length of the connecting element separating the fixed region and the rotating region thereof; a rotary connection (14a, 14b, 30) between said fixing means; an annular space which extends between the fixing means and about an axis and can receive coils formed by the fixed length of the connecting element, the number of coils and the average radius thereof varying during the relative rotation of the first and second fixing means; and at least one intermediate fixing means (401a, 401b) of the connecting element, said means being displaceable by control means (301a, 301b, 60a, 60b, 40a, 40b) in such a way that it can move towards or away from the axis in response to a relative rotation of the first and second fixing means, in order to distance the third fixing means from the axis in the event of an increase of the average radius of the coils, and vice versa.</p> |
