Telescopic space boom mechanism for supporting detection load

A detection load, telescopic technology, applied in the field of space exploration, can solve the problems of uncontrollable, unrecoverable, and inability to fully meet the technical requirements of small satellites in the expansion process of the thin-walled tube telescopic expansion mechanism.

Inactive Publication Date: 2014-05-07
BEIHANG UNIV
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The above two types of telescopic space deployment mechanisms have shortcomings. The sleeve telescopic deployment mechanism is relatively bulky and limited in length, and the thin-walled tube telescopic deployment mechanism is uncontrollable and cannot be retracted during the deployment process, and cannot fully adapt to small satellites. Technical requirements

Method used

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  • Telescopic space boom mechanism for supporting detection load
  • Telescopic space boom mechanism for supporting detection load
  • Telescopic space boom mechanism for supporting detection load

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Embodiment Construction

[0048] Such as figure 1 Shown is a three-dimensional view of the telescopic space extension rod mechanism for detecting load support of the present invention. The mechanism includes a storage part 1, a transmission part 2 and a support part 3. The storage part 1 includes: a reel 101, a fixed plate 102, a torsion spring 103, a central shaft 104, an eccentric shaft 105, and an extension rod 106; the transmission part 2 includes: Guide wheel 201, passive guide wheel 202, tension wheel 203, motor 204, roller chain 205, swing arm 206, tension spring 207, motor output wheel 208; support part 3 includes: bracket wall 301, bottom plate 302, support collar 303. Support arm 304; storage part 1 is used to store the crimped extension rod 106; transmission part 2 is used to transmit torque, and the motor 204 provides the main torque to drive the active guide wheel 201 to rotate and guide the extension rod 106 to unfold; support part 3 To maintain the relative position of each part of the ex...

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Abstract

The invention provides a telescopic space boom mechanism for supporting a detection load. The telescopic space boom mechanism is mainly composed of a storage part, a transmission part and a support part, wherein the storage part is used for storing a curled boom; the transmission part is used for transmitting a moment; a motor is used for providing an active moment to drive an active guide wheel to turn so as to guide the boom to expand; and the support part is used for keeping the relative position of each part of a boom system. The three parts, namely the storage part, the transmission part and the support part, work cooperatively to form the whole system. The telescopic space boom mechanism for supporting the detection load has the advantages that the weight of the whole system is reduced due to large magnification ratio of the boom mechanism; a torsion spring at the storage part ensures that the boom can be taken back successfully; the boom can be expanded stably and influence of the boom on posture of a satellite body is reduced; the motor the location of which can be controlled ensures the precision of expansion position. The telescopic space boom mechanism disclosed by the invention can be applied to expansion of detection loads of small satellites; and compared with the traditional boom mechanism, the telescopic space boom mechanism disclosed by the invention has the advantages of large magnification ratio, capability of being taken back, stable expansion, position controllability and the like.

Description

Technical field [0001] The invention relates to the technical field of space detection, and relates to a telescopic space extension rod mechanism for detection load support, which is suitable for small satellite detection load support. Background technique [0002] The space deployment mechanism is one of the main mechanisms that realize the functions of solar sail, antenna deployment, and detection load support. With the deepening of research, the technology has matured day by day, and many different space deployment mechanisms have emerged. Mainly divided into truss-type deployment mechanism, inflatable deployment mechanism and telescopic deployment mechanism. [0003] The truss-type unfolding mechanism uses hinge connecting rods to form a grid-like unfolding structure. Its advantages are good mechanical performance and large length, but its disadvantages are bulky and complex structure. Mainly used in space probes, larger solar panels and gravity gradient poles. [0004] The in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G1/24
Inventor 楚中毅雷宜安李丹
Owner BEIHANG UNIV
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