Parabolic cylinder antenna deployable mechanism with multiple hyperelastic hinges

A parabolic cylinder, unfolding mechanism technology, applied in folding antennas, inflatable antennas, antenna supports/installation devices, etc., can solve the problems of increasing the quality of the mechanism, being susceptible to external interference, and being difficult to control, and to reduce the quality and The effect of volume, strong expansibility, and large exhibition-to-receive ratio

Active Publication Date: 2020-07-17
ANHUI UNIVERSITY
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  • Abstract
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Problems solved by technology

In terms of the driving mechanism, the deployment process of the motor-driven mechanism is controllable and can be fine-tuned after deployment, but this kind of mechanism is comp...

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  • Parabolic cylinder antenna deployable mechanism with multiple hyperelastic hinges
  • Parabolic cylinder antenna deployable mechanism with multiple hyperelastic hinges
  • Parabolic cylinder antenna deployable mechanism with multiple hyperelastic hinges

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Embodiment Construction

[0024] In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are...

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Abstract

The invention discloses a parabolic cylinder antenna deployable mechanism with multiple hyperelastic hinges. The parabolic cylinder antenna deployable mechanismantenna comprises a triangular prism extension arm, a transverse rib mechanism, a synchronous hinge and a parabolic cylinder antenna., wherein tThe triangular prism extension arm is composed of a triangular rod, a longitudinal rod, a hyperelastic hinge, a longitudinal rod joint and a rope, the transverse rib is composed of a straight rod and a hyperelastic hinge, the synchronous hinge is composed of a synchronous gear, a connecting rodjoint and a support frame, and the parabolic cylinder antenna is a metal mesh surface film antenna. According to the parabolic cylinder antenna deployable mechanism with the multiple hyperelastic hinges, the mass of the whole mechanism is reduced, self-locking can be achieved after the mechanism is completely unfolded, the phenomena of friction and jamming in the unfolding process are reduced, andtherefore thus the whole mechanism is simple in structure and large in unfolding and folding ratio; the synchronism of unfolding of the transverse ribs is ensured by the synchronizing mechanism; theexpansibility of the triangular prism extension arms and the transverse ribs is high, so that the deployable mechanism can obtain an the antenna of a hundred-meter level or a larger scale by controlling the number of the modules.

Description

technical field [0001] The invention relates to the technical field of aerospace thin film antennas, in particular to a deployable mechanism for a parabolic cylindrical antenna with multiple superelastic hinges. Background technique [0002] At the beginning of the spacecraft launch, the thin film antenna is tightly wound and stored in the load compartment. When working, the antenna needs to have a large working surface, which has provided sufficient signal transmission and reception functions. The space deployable mechanism is an important factor to realize this series of actions and functions. Assure. [0003] In the field of deployable mechanisms in the aerospace industry, the antenna deployment mechanisms mainly include solid reflective surface, skeleton, mesh and film antennas. The metal mesh antenna type only uses a small number of rods as support rods, and the reflective surfaces are all made of flexible materials. It is light in weight and simple in structure, so th...

Claims

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Application Information

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IPC IPC(8): H01Q1/08H01Q1/16
CPCH01Q1/081H01Q1/16
Inventor 杨慧钱程辉鲍晖刘康王岩琚斌
Owner ANHUI UNIVERSITY
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