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A technique of tensioning the whole and antenna, applied in the field of satellite wireless communication, can solve the problems of low deployment reliability and high overall quality, and achieve the effects of mature processing technology, simple deployment control and reduced quality.
Active Publication Date: 2018-03-16
HARBIN INST OF TECH
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Problems solved by technology
[0004] In order to solve the problem that the existing expandable loop antenna needs a large number of mechanical connections during the process of unfolding and folding, resulting in large overall mass and low reliability of deployment, the present invention further provides a space expandable loop tension integral antenna mechanism
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specific Embodiment approach 1
[0020] Specific implementation mode one: as Figure 1-9 As shown, the space-expandable annular tensioned integral antenna mechanism of this embodiment includes an intermediate tensioning device 30, a slow release device 31, multiple tensioned integral rods 32 and multiple tensioning cables;
[0021] The middle tensioning device 30 comprises a tension spring 20 and two thin sheets 19, the two thin sheets 19 are arranged parallel up and down, and the tension spring 20 is vertically arranged between the two thin sheets 19;
[0022] The slow release device 31 includes two slow release pulleys 23 with damping;
[0023] Each tensioned integral rod 32 includes an end suspension ring 1, a main end firmware 3, a main end connecting pipe 4, a guide slider 7, a slider screw 8, a drive spring 10, a carbon fiber tube 11, a secondary end connector 12, a secondary The end piece 13 and two locking leaf springs 6; the main end piece 3 is firmly connected to one end of the main end connecting ...
specific Embodiment approach 2
[0027] Specific implementation mode two: as image 3 and Figure 4 As shown, the two-shaped openings 4-1 described in this embodiment are symmetrically arranged on the main-end connecting pipe 4, and the two locking leaf springs 6 are symmetrically arranged on the two-shaped openings 4-1 of the main-end connecting pipe 4. place. Such a design has the advantages of high locking efficiency, symmetrical locking force, stable and reliable locking. Other components and connections are the same as those in the first embodiment.
specific Embodiment approach 3
[0028] Specific implementation mode three: as image 3 and Figure 4 As shown, the tensioned integral rod 32 in this embodiment further includes an end nut 2 , and the end nut 2 is threadedly connected to the end suspension ring 1 . Such a design can realize disassembly and adjustment of the structure, and provide access for the installation of internal parts. Other compositions and connections are the same as those in Embodiment 1 or 2.
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Abstract
The utility model relates to a spatially expandable annular tensegrity integral antenna mechanism, which relates to an antenna mechanism. The invention solves the problems that a large number of mechanical connections are required in the process of unfolding and retracting the existing deployable loop antenna, resulting in large overall mass and low deployment reliability. The main-end firmware is fixedly connected to one end of the main-end connecting pipe through pins, and the other end of the main-end connecting pipe is fixedly connected to one end of the carbon fiber pipe. Two openings are processed on the side wall of the main-end connecting pipe along its length direction, each There is a locking leaf spring corresponding to each strip-shaped opening. The driving spring is located in the carbon fiber tube. The middle part of the guide slider is processed with an annular groove along its circumference. When the antenna mechanism is unfolded, the lower part of the locking leaf spring is clamped on the guide slider. At the annular groove of the block, the lower end of the guide slider is connected with the slider screw, the guide slider is located at the upper end of the driving spring, the auxiliary end firmware is fixed on the other end of the carbon fiber tube through the auxiliary end connector, and the tension of the overall rod The number is an even number. The invention is used in the field of wireless communication.
Description
technical field [0001] The invention relates to a foldable antenna mechanism, in particular to a space-expandable ring tension integral antenna mechanism, which belongs to the field of satellite wireless communication. Background technique [0002] With the development of human space industry, large antennas play an important role in various tasks, such as earth observation, deep space exploration, radio astronomy and other fields, and play a leading role in long-distance communication. Therefore, the large-scale antenna For the research hotspot of deployable antenna. In order to meet the capacity requirements of the transmitter, the large-aperture antenna must be made into a deployable form. Such a deployable antenna has high requirements on the mechanism, thermal environment, and radio frequency, and also needs to meet the deployment reliability, so it is a challenging multi-faceted design problem. Although the large-scale deployable loop antennas currently used can real...
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Application Information
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