| 摘要 |
FIELD: mobile aerial installations with phased aerial arrays. ^ SUBSTANCE: aerial has at least three vertical panels. Central panel is tightly fixed to power shaft inside which the equipment is placed. Side panels are connected with equipment by hinges. At transportation the aerial has its central panel lowered onto platform of transportation vehicle. Side panels are put around power shaft to form trapezium in cross-section at its bigger base. Side panels are closed from outside with shutter of protection casing which rest against power shaft at top part and which panels have fixing of locks. When aerial assembly is in operation, the shutters are open to both directions till getting horizontal position. ^ EFFECT: comfort at use; comfortable maintenance of aerial; protection against random damage; reduced weight. ^ 3 dwg |
