| 摘要 |
<p>The present invention relates to a flange fixture intended to hold a flange to a tube for welding the flange to the tube, whereby it comprises: a) a cylindrical central body comprising at least three evenly distributed expansion holders as well as one cylindrical part provided with threads, whereby the expansion holders are each arranged to receive at least a radially movable expansion mechanism, and whereby the cylindrical part being provided with threads is arranged to receive one controlling device influencing the radially movable expansion mechanism for obtaining an outwardly directed movement; b) a first cylindrical shaft axially and rotatably mounted arranged in the central body and comprising a second controlling device arranged in the end thereof facing away from the central body; c) an axially and rotatably arranged second shaft in the shaft, which second shaft in its end receives at least three evenly distributed second expansion holders, which are each arranged to receive at least one radially moveable second expansion mechanism, whereby the second controlling device is arranged to influence the second expansion mechanism for obtaining an outwardly radially directed movement; and d) at least one device for checking the influence of the respective controlling device for radially outwardly directed movement of the respective expansion mechanism.</p> |
