| 摘要 |
<p>The invention concerns an assembly forming an antenna mast for cellular telecommunication network comprising a substantially vertical mast (1) bearing one or several antennae (2) comprising: means adapted to slide along the mast and whereon an antenna (2) is fixed; at least an endless screw extending along the height of said mast and co-operating with said means to drive the latter in a sliding movement; a mechanism enabling an operator at the foot of the mast to drive in rotation said endless screw to lower the antenna (2) so that the operator at the foot of the mast can perform an intervention on the mast. The invention is characterised in that the mast comprises a main tubular body (1) wherein extends said endless screw and the means for sliding along the mast and whereon the antenna (2) is fixed comprise a mobile unit arranged inside said tubular body and at least a fixing portion extending from said mobile unit and passing through said mast (1) at an orifice which extends in the height thereof.</p> |
