Spatial tether system wedge brake mechanism

A technology of a wedge-shaped braking mechanism and a space tether system, applied in the aerospace field, can solve problems such as unfavorable long tether release, and achieve the effects of convenient control, high safety performance and simple structure

Active Publication Date: 2013-08-14
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The tether winding mechanism is not conducive to the release of the long tether, especially the braking problem during the release of the long tether, it is difficult to avoid the tether breakage caused by sudden braking and the huge impact on the tether release platform

Method used

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  • Spatial tether system wedge brake mechanism
  • Spatial tether system wedge brake mechanism

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0015] The invention provides a wedge-shaped braking mechanism of a space tether system, which is used to solve the braking problem of the tether during the release process. The space tether system wedge brake mechanism of the present invention includes a wedge clamp and a tether guide device. The wedge-shaped clamp is a cuboid block fixed on the base. A wedge-shaped gap with a small angle is beveled in the middle of the cuboid block. The wedge-shaped gap is wide at the top and narrow at the bottom; A tether guide fixed pulley. The tether is placed in the wedge-shaped gap by using the tether guide device, and the tether can be moved up and down in the wedge-shaped gap by moving the moving frame up and down. Wedge clamps and tether guides use the wedge clamping principle to lower the tether to different depths of the gap to generate different frictiona...

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Abstract

The invention provides a spatial tether system wedge brake mechanism which comprises wedge clamp and tether guide device. The wedge clamp is a rectangular block fixed on a base. A wedge gap is reserved on one side of the rectangular block. The width of the opening side of the wedge gap is larger than that of the other side. The tether guide device is characterized in that two tangent tether guide fixed pulley are respectively mounted at two ends of the wedge gap through movable frames, a tether penetrates through the two fixed pulley and moves between the opening side of the wedge gap and the other side of the wedge gap by movement of the movable frames. The spatial tether system wedge brake mechanism is applicable to spatial tether braking during unfolding, simple in structure, convenient to control and high in safety.

Description

technical field [0001] The invention belongs to the field of aerospace technology, in particular to a braking mechanism of a space tether system. Background technique [0002] The space tether system is a very promising development direction of space science. It has broad application prospects in near-Earth space and deep space exploration, such as generating artificial gravity, space transportation, recovering payloads from orbit, launching small satellites from space stations, using the earth's geomagnetic field for orbital maneuvers, building orbital power stations, Detect the atmosphere and the geomagnetic and gravitational fields. In the research and application of the space tether system, the research on the braking mechanism during the deployment of the tether is a basic and very important work. The National Natural Science Foundation of Nanjing University of Aeronautics and Astronautics' project "Nonlinear Dynamics of Tether Control System: Theoretical and Experime...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G1/00
Inventor 李爱军王长青王景张丛丛
Owner NORTHWESTERN POLYTECHNICAL UNIV
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