Satellite-borne light two-dimensional directing mechanism adapted to deep space environment

A pointing mechanism and environment technology, applied in motor vehicles, space navigation equipment, space navigation aircraft, etc., can solve the problems of uncontrollable temperature of movable cables, large mass of two-dimensional pointing mechanism, low installation precision of shaft system, etc., to achieve Effects of reduced mass, small change in radius of curvature, and improved reliability and life

Inactive Publication Date: 2017-12-15
SHANGHAI ASES SPACEFLIGHT TECH LTD CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing two-dimensional pointing mechanism is not suitable for deep space detectors due to its large mass, low shaft installation accuracy, small temperature range, and uncontrollable temperature of the movable cable.

Method used

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  • Satellite-borne light two-dimensional directing mechanism adapted to deep space environment
  • Satellite-borne light two-dimensional directing mechanism adapted to deep space environment
  • Satellite-borne light two-dimensional directing mechanism adapted to deep space environment

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with the drawings:

[0024] The present invention provides a space-borne lightweight two-dimensional pointing mechanism adapted to a deep space environment, characterized in that the mechanism includes: a base 1, a cross frame 2, an antenna base 3, a driving joint 4, a driving shaft 5, and a driven shaft 6. , Rotary joint 7, Rotary joint bracket 8, pin 9, cross waveguide 10, bearing cover 11, shaft cover 12, heater 13 and deep groove ball bearing 14; two-dimensional pointing mechanism with two axes arranged vertically, two-axis design It is exactly the same as the composition; one of the shafting systems is introduced in detail here, and the other shafting system will not be repeated.

[0025] The fixed end of the drive joint 4 is fixedly connected to the base 1 and positioned by the stop; the rotating end is fixedly connected to the drive shaft 5 and positioned by the stop; the drive shaft 5 is fixedly i...

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PUM

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Abstract

The invention discloses a satellite-borne light two-dimensional directing mechanism adapted to deep space environment. The satellite-borne light two-dimensional directing mechanism comprises a base, a cross frame, an antenna pedestal, driving joints, a driving shaft, a driven shaft, rotating joints, rotating joint brackets, pins, a cross waveguide, a bearing cover, a shaft cover, heaters and a deep groove ball bearing, wherein each shaft system adopts a design manner that one end of each shaft system is fixed, and the other end of the corresponding shaft system is movable; and the driven shaft is a hollow shaft of which the temperature is controllable, and is used as a cable channel. The satellite-borne light two-dimensional directing mechanism disclosed by the invention is suitable for executing a tracking and direction determining task in the extreme low-temperature of the deep space environment.

Description

Technical field [0001] The invention relates to the field of aerospace electromechanical technology, in particular to a spaceborne light two-dimensional pointing mechanism adapted to a deep space environment. technical background [0002] Most of the data transmission of modern satellites rely on point-beam parabolic antennas. The beam angle is very small, usually only a few degrees, and the antenna needs to be pointed at the ground receiving station for data transmission. In modern aerospace technology, the two-dimensional pointing mechanism is used as the executive mechanism for the digital antenna to orient and track the ground receiving station. [0003] In terms of two-dimensional pointing mechanisms in my country, the current focus is mainly on the development of two-dimensional pointing mechanisms for low- and medium-earth orbit satellites, and relatively little development of two-dimensional pointing mechanisms for deep space probes. The existing two-dimensional pointing m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G1/66
CPCB64G1/66
Inventor 赵明宣王献忠杨金平李建辉李源黄庆平
Owner SHANGHAI ASES SPACEFLIGHT TECH LTD CO
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