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Regularly-hexagonal plane unfolding mechanism

A regular hexagon, plane unfolding technology, which is applied in motor vehicles, space navigation equipment, space navigation equipment, etc., can solve the problems of complex system structure and low rigidity, and achieve the effect of simple principle, stable unfolding process, and easy control.

Inactive Publication Date: 2015-10-07
NORTHWESTERN POLYTECHNICAL UNIV
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Problems solved by technology

[0005] The technical problem to be solved in the present invention is: in order to avoid the deficiencies of the prior art and overcome the problems of complex system structure and low rigidity, the present invention proposes a new type of regular hexagonal planar expandable mechanism, which has a simple configuration and high rigidity. Large, stable unfolding process, small impact, mechanism has one degree of freedom, easy to control

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  • Regularly-hexagonal plane unfolding mechanism
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  • Regularly-hexagonal plane unfolding mechanism

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Embodiment Construction

[0025] The technical solution of the present invention will be further described below in conjunction with specific implementation examples. In this embodiment, in order to better illustrate the connection relationship between the central hexagonal frame and the surrounding regular hexagonal frame, the first group of connecting rods, the second group of connecting rods, the third group of connecting rods and the fourth group of connecting rods are used here. Group connecting rods are explained. Each group of connecting rods is composed of two connecting rods. One end of the first group of connecting rods is not equipped with a boss, and the other end is equipped with a boss; the other two connecting rods in each group have two connecting rods. There are bosses at the ends; and all the connecting rods have different boss heights.

[0026] As attached Figure 1-6 As shown, the regular hexagonal unfolding mechanism is composed of seven regular hexagonal frames and twenty-four ordin...

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Abstract

The invention relates to a regularly-hexagonal plane unfolding mechanism formed by seven regularly-hexagonal frames and twenty four common double-hinge-point linear connecting rods which are connected through cylindrical pins. One regularly-hexagonal frame is arranged in the center and the other six regularly-hexagonal frames surround the central regularly-hexagonal frame. The seven regularly-hexagonal frames are successively connected in a certain way. One common double-hinge-point linear connecting rod can be used as a driving rod and is rotated about hinged points connecting the regularly-hexagonal frames. The regularly-hexagonal plane unfolding mechanism is simple in principle, high in reliability, few in component categories, single in dimension, good in repeatability, easy to process, easy to assemble, low in error, stable in unfolding process, low in impact, provided with just one degree of freedom, driven by a microminiaturized electromotor , easy to drive, and easy to control.

Description

Technical field [0001] The invention belongs to the field of structural design, and relates to a plane expansion and contraction mechanism, in particular to a plane expansion mechanism based on a regular hexagon. Background technique [0002] With the development of space technology and information technology, expandable institutions gradually come into people's field of vision, and their application fields are also very wide. For example, on-board deployable antennas and solar cell wings on various satellites, their application is due to the limitation of the effective carrying space and carrying capacity of the rocket. They are required to be fixed in the payload compartment of the vehicle in a folded shape during the launch phase. After the device enters the orbit, the ground control center instructs it to gradually complete the deployment action in the space orbit according to the design requirements, and keep it in working state after being locked. The deployable mechanism ...

Claims

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Application Information

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IPC IPC(8): H01Q1/28H01Q1/12B64G1/66
Inventor 王三民司艳新王剑郝立峰蔡鑫陈群陈森姜景明
Owner NORTHWESTERN POLYTECHNICAL UNIV
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