| 摘要 |
<p>The installation has a height adjustment device (21) for adjusting height of filling assembly with respect to a support plate (2) mounted on a frame (1) and comprising an intermediate sleeve (18) and nut (19) forming a screw/nut connection. The nut is fixed in translation and free in rotation with respect to the frame. The filling assembly is fixed in translation and free in rotation on the sleeve and is free in translation and fixed in rotation with respect to the frame. The device has a driving unit constituted of pinions and driving chain for driving the nut.</p> |
