| 摘要 |
<p>The invention relates to a machine intended for fixing two concentric cylinder-shaped surfaces, both inside and outside, which is employed for the controlled advance and /or concomitant manipulation of an attaching and fastening device up and down, laterally, to the left and to the right, and axially, meant to be applied in civil and industrial constructions, in automotive industry or in aircrafts. According to the invention, the machine comprises a body (1) and some bushings (2 and 3) having some wedge grips which are positioned on the medium diameter of two surfaces of some bodies to be fixed and screwed by some fastening screws (4), the fastening being performed by a stepper motor (19), a gear wheel assembly (10, 11 and 15) which puts into motion, by means of some wedges (16), some shafts (8) rotating on some bearings (9), where some pins (5) actuate, by means of some articulations, some T-shaped arms (7) which, by means of the pins (5), screw and unscrew the screws (4) by which the wedge grips are locked to and unlocked from the surfaces of the bodies to be assembled.</p> |
