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A device for eliminating the radial gap at the joint of the folding mechanism

A radial gap and folding mechanism technology, which is applied in the field of space mechanism development, connection locking and release, can solve the problems of reliability and stability of the folding mechanism, and achieve stable and reliable gap elimination, strong environmental adaptability, The effect of simple structure

Active Publication Date: 2020-11-13
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of the influence of the radial gap between the base body and the unfolding part on the reliability and stability of the folding mechanism after the existing pin is locked, the present invention provides a device for eliminating the radial gap at the joint of the folding mechanism

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  • A device for eliminating the radial gap at the joint of the folding mechanism
  • A device for eliminating the radial gap at the joint of the folding mechanism

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specific Embodiment approach

[0019] combined with Figure 1 to Figure 2 Describe the specific embodiment of the present invention: a device for eliminating the radial gap at the joint of the folding mechanism according to the present invention, comprising a first tightening ring 1, a base body 2, an unfolding member 3, a rotating shaft 4 and a second tightening ring 5, the base body 2. There is a groove, and the two opposite inner walls in the groove are respectively provided with a first pin hole and a second pin hole;

[0020] The expansion part 3 is provided with a boss, and a third pin hole is opened in the boss, and the boss is installed in the groove of the base body 2, and the third pin hole position is consistent with the first pin hole and the second pin hole. corresponding to the hole position;

[0021] Both the first pin hole and the second pin hole are inner tapered holes matched with the rotating shaft 4;

[0022] The inner tapered hole that the third pin hole matches with the rotating shaf...

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Abstract

The invention discloses an eliminating device for a radial clearance at the connecting position of a folding and unfolding mechanism and belongs to the technical field of space mechanism unfolding, connecting locking and releasing. By means of the eliminating device for the radial clearance at the connecting position of the folding and unfolding mechanism, the existing problem that the radial clearance between a base body and an unfolding part after pin locking affects reliability and stability of the folding and unfolding mechanism is solved. By means of the eliminating device for the radialclearance at the connecting position of the folding and unfolding mechanism, the clearance between the unfolding part and a rotating shaft and the clearance between the side face of the unfolding partand the inner side face of the base body after unfolding part locking can be effectively eliminated while it is ensured that the unfolding part is unfolded smoothly, the influences on the rigidity and the base frequency of the clearances on the folding and unfolding mechanism are avoided, and the phenomenon that the anti-interference capability of the folding and unfolding mechanism is affected is prevented. In addition, a threaded section connection transmission manner is adopted between the rotating shaft and the unfolding part, and the beneficial effects that the connector strength is high, connection is convenient, repeated use is achieved, standardization is achieved are achieved, and stable and reliable clearance eliminating can be achieved under the cooperation of the mechanism. The eliminating device has the beneficial effects of being simple in structure, small in volume mass, high in responding speed and high in environment adaptability.

Description

technical field [0001] The invention relates to a device for eliminating the radial gap at the joint of a folding mechanism, in particular to a device for eliminating the gap between an expandable part and a rotating shaft, the side of the expandable part and the inner side of a base part, which belongs to the space mechanism expansion and connection lock Tight and release technical areas. Background technique [0002] The folding / deploying mechanism of the space expandable part is widely used in various space folding mechanisms due to its advantages of simple structure, small space occupation, convenient storage and transportation. With the development of aerospace technology, in order to ensure the reliability of the space folding mechanism, it is necessary not only that the expandable part can reach the unfolded position smoothly and lock smoothly during the unfolding process, but also that the expandable part and the rotating shaft, the side of the expandable part and th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G1/22
CPCB64G1/222
Inventor 陆一凡杨飞陈纲李雨时岳洪浩张荣茹
Owner HARBIN INST OF TECH
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