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A Sun Wing Spreading and Retracting Mechanism Based on Planetary Pulley Drive

A technology of planetary gear and sun, applied in the field of solar wing extension and retraction mechanism, can solve problems such as complex structure, and achieve the effect of simple structure, high reliability and light weight

Active Publication Date: 2017-03-01
SHANGHAI AEROSPACE SYST ENG INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the defects of complex structures of the solar wing extension and retraction mechanism in the prior art, the object of the present invention is to provide a compact solar wing extension and retraction mechanism based on planetary pulley transmission

Method used

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  • A Sun Wing Spreading and Retracting Mechanism Based on Planetary Pulley Drive
  • A Sun Wing Spreading and Retracting Mechanism Based on Planetary Pulley Drive
  • A Sun Wing Spreading and Retracting Mechanism Based on Planetary Pulley Drive

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Embodiment Construction

[0026] The present invention will be described in detail below in terms of specific embodiments in conjunction with the accompanying drawings. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It is to be noted that other embodiments may be utilized or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the invention.

[0027] In the embodiment that the present invention provides a solar wing expansion and retraction mechanism based on planetary pulley transmission for realizing the expansion and retraction of the upper fan surface of the solar wing, as figure 1 , 2 , 3, including: sun gear, planetary carrier, planetary gear and synchronous toothed belt;

[0028] The planetary gear revolves around the sun gear through the planetary carrier, and during the revolution, the planetary gear rota...

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Abstract

The invention provides a solar wing folding and unfolding mechanism based on planet band wheel transmission. The solar wing folding and unfolding mechanism based on planet band wheel transmission is characterized by comprising a base frame, a solar wheel, a planet frame, a planet wheel, a synchronous toothed belt and a sector. The side wall of the body of the solar wheel is fixedly connected with the base frame. One end of the planet frame is connected with the center of the solar wheel through a bearing, and the other end of the planet frame is connected with the center of the planet wheel through a bearing. The solar wheel and the planet wheel are connected through the synchronous toothed belt. An inner periphery toothed socket of the synchronous toothed belt is externally meshed with the solar wheel and the planet wheel. The sector comprises a fixed side plate, a mobile side plate and an unfolded face. One end of the unfolded face is connected with and tightened to the fixed side plate, and the other end of the unfolded face is connected with the mobile side plate so that the unfolded face is pulled by the mobile side late to be unfolded. The fixed side plate is fixedly connected with the end, close to the planet wheel, of the planet frame. One end of the mobile side plate is fixedly connected with the center of the planet wheel, and the mobile side plate rotates coaxially along with the planet wheel.

Description

technical field [0001] The invention relates to the field of mechanical design, in particular to a sun wing expansion and retraction mechanism based on planetary pulley transmission. Background technique [0002] In the field of fan-shaped solar wing expansion and retraction mechanisms, most common ones are deployed at one time, and do not have the ability to repeatedly expand and retract. Among the fan-shaped solar wing retractable mechanisms that can be retracted repeatedly, the closed-loop rope pulley mechanism is more common. Its advantage lies in the high flatness of the deployment. The disadvantage is that the length of the rope required during the retraction process is not constant. A tensioning device and a special rope grabbing device are required during the unfolding and retracting process, which makes the entire retracting mechanism complicated. Contents of the invention [0003] Aiming at the disadvantages of the complex structure of the solar wing expansion a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G1/44F16H7/02
Inventor 谢哲邵济明张晓伟
Owner SHANGHAI AEROSPACE SYST ENG INST
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