A New Rib Expanding Mechanism for High Precision Umbrella Antenna
A technology for umbrella-shaped antennas and unfolding mechanisms, which is applied to folded antennas, antenna supports/installation devices, mechanical equipment, etc., and can solve the problems of the function and performance requirements of the rib unfolding mechanism, and the inability to carry out the mouth-facing forward state unfolding test, Problems such as inability to transmit thrust can achieve the effects of adapting to the space environment, high repeatable deployment accuracy, and reducing friction loss
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[0026] The implementation process of the present invention will be described in detail below in conjunction with the accompanying drawings and specific examples.
[0027] Such as figure 2 As shown, the radial rib umbrella-shaped deployable antenna is mainly composed of the present invention, radial rib 21, feed source assembly 22, mesh main reflector 23, feed source support 24, sub-reflector 25 and so on. The present invention is the installation basis of the umbrella antenna, the feed source assembly 22 and the secondary reflector 25 are installed on the feed source support 24, and the feed source support 24 is installed on the upper end face of the present invention, and the antenna rib 21 is the whole mesh main reflector The skeleton structure of 23 is used to install and fix the tension cable net and metal mesh, and the antenna ribs 21 are evenly distributed on the H surface of the present invention according to the circumferential direction, and the antenna ribs 21 are d...
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