ANTENNA SETTING-UP AND PACKING DEVICE Russian patent published in 1997 - IPC

FIELD: antenna handling facilities. SUBSTANCE: device has mount with two antenna panels hinged to it; each panel is provided with two hinged tie rods; device also has antenna setting-up and packing element made in the form of two coaxially mounted, differently directed leads screws with rotational drive placed inbetween. Each lead screw has lead nut hinged on carriage with trunnions. Carriage is mounted for longitudinal displacement over guide tube installed on mount coaxially to lead screw. Carriage is spring-loaded relative to lead nut in axial direction with aid of plate springs. Guide tube is provided with diametrically arranged slots having spiral section of rotational drive end. Carriage trunnions are placed in slots for displacement. Centering rollers are fitted between carriage and guide tube. Each carriage has arrangement for its locking in operating position of antenna. Mentioned control rods are hinged on one end to respective carriage. Each control rod, together with carriage and antenna panel, forms cardan mechanism. Desired position of antenna panels is attained by pre-adjustment of adjustable stops which function to adequately select clearances in hinged joints when setting antenna in operating position. EFFECT: provision for automatic setting of antenna panels in desired position, reduced setting-up time at new operating site of antenna. 4 cl, 4 dwg