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Controlled-unfolding coiled stretching arm for unfolding satellite load

A technology of extending arms and loads, applied in the field of extending arms, can solve problems such as difficulty in adaptation, and achieve the effect of stable and controllable deployment process

Inactive Publication Date: 2014-04-02
SHANGHAI SATELLITE ENG INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, conventional deployment methods have been difficult to meet the above requirements

Method used

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  • Controlled-unfolding coiled stretching arm for unfolding satellite load
  • Controlled-unfolding coiled stretching arm for unfolding satellite load

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Embodiment Construction

[0012] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0013] Such as figure 1 with figure 2 As shown, the controllable unfolding coiled extension arm for satellite load extension of the present invention is mainly composed of an extension arm main body 1, a bottom storage tube 2, a Y-shaped top plate 3, and a deployment control assembly 4. One end of the extension arm main body is connected to the storage tube, and the other end is connected to the Y-shaped top plate, the driving unit in the unfolding control assembly is installed at the bottom of the storage tube, and the unfolding control cable is connected to the Y-shaped top plate.

[0014] The main body of the extension arm is mainly composed of rods and cables between rods. The rods are made of materials with large elastic deformation capacity, and the strain energy stored when coi...

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Abstract

The invention discloses a controlled-unfolding coiled stretching arm for unfolding a satellite load. The stretching arm mainly comprises a stretching arm main body, a bottom storage tube, a Y-shaped top plate and an unfolding control assembly, wherein one end of the stretching arm main body is connected with the storage tube, the other end of the stretching arm main body is connected with the Y-shaped top plate, a driving unit in the unfolding control assembly is mounted at the bottom of the storage tube, and an unfolding control cable is connected to the Y-shaped top plate. The stretching arm has the characteristics of high storage ratio, light weight, high reliability and the like, can realize the linear-direction short-distance or middle / far-distance unfolding, is applicable to the unfolding of satellite loads, such as magnetometers, antennae and gravity gradient counterweights and has wide application adaptability.

Description

technical field [0001] The invention relates to an extension arm, in particular to a controllable unfolding coil type extension arm for satellite payload extension. Background technique [0002] With the development of aerospace technology, the structure of modern satellites is becoming more and more complex, and their functions are increasing, which puts forward various requirements for the layout of satellite payloads. Satellite loads such as magnetometers, antennas, and gravity gradient counterweights need to be pressed tightly on the surface of the star during the launch phase. After being launched into orbit, they will be unlocked and stretched to a designated position at a certain distance from the star according to the specified requirements, so as to realize its design function. At the same time, on the basis of satisfying the load extension function, satellites have increasingly stringent requirements for the lightweight of each system and supporting parts, and put...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G1/22
Inventor 杨铭波王智磊王萌杜三虎满孝颖
Owner SHANGHAI SATELLITE ENG INST
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