Shipborne satellite antenna

The utility model discloses a shipborne satellite antenna, shipborne satellite antenna includes: the support, with the articulated piece of support articulated and with articulated piece fixed connection's arc antenna, be provided with driving motor in the support, driving motor is connected the drive through synchronous belt and the synchronizing wheel that sets up on articulated piece articulated piece rotates, wherein, be provided with a plurality of U type holes on the support, the adjustable screw silk passes U type hole will driving motor is fixed in on the support, the adjustment the position of adjustable screw silk in U type hole is in order to change driving motor's position, thereby adjustment the tensile force of synchronous belt. Through set up the tensile force adjusting device that the structure is simple and easy in drive mechanism, can keep the drive belt at suitable tensile force in the use, lengthened the life of drive belt, it is more accurate still to enable angular adjustment, improves t