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Connection joint for ensuring synchronous movement of rod pieces

A technology of connecting nodes and synchronizing motion, applied in the direction of transmission, belt/chain/gear, mechanical equipment, etc., can solve the problems of geometric constraint failure, singular motion, etc., and achieve the effect of compact connection, beautiful appearance and simple production process

Inactive Publication Date: 2015-03-11
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing nodes mainly rely on the geometric constraints of the structure itself to make the members move synchronously. However, when the center of each member is in the same plane as the connected nodes, there will be a strange movement phenomenon, which will make the geometric constraints invalid.

Method used

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  • Connection joint for ensuring synchronous movement of rod pieces
  • Connection joint for ensuring synchronous movement of rod pieces
  • Connection joint for ensuring synchronous movement of rod pieces

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Embodiment Construction

[0021] Below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention will be further described:

[0022] figure 1, figure 2 They are respectively a schematic diagram of the overall structure and a schematic diagram of the main components of the connection node for ensuring the synchronous movement of the rods in the present invention.

[0023] The connection node to ensure the synchronous movement of the rods of the present invention includes a base 1, N L-shaped plates 2, N T-shaped rotating shafts 4 and 2N bevel gears 5, wherein N is an integer greater than 2, and N L-shaped plates 2 is center-symmetrically arranged on one side of the base 1, and the T-shaped rotating shaft 4 is arranged between two adjacent L-shaped plates 2. The two bevel gears 5 adjacent to each L-shaped plate 2 mesh with each other.

[0024] In the present invention, the L-shaped plate 2 is formed by connecting two straight plates of equal length and ...

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Abstract

The invention discloses a connection joint for ensuring the synchronous movement of rod pieces. The connection joint comprises a base, N L-shaped plates, N T-shaped rotating shafts and 2N conical gears, wherein N is an integer more than 2, the N L-shaped plates are arranged on one surface of the base in a central symmetrical manner, each T-shaped rotating shaft is arranged between the two adjacent L-shaped plates, the two ends of each T-shaped rotating shaft respectively penetrate through the adjacent L-shaped plates so as to be connected with one conical gear, and each L-shaped plate is meshed with the two adjacent conical gears. Each L-shaped plate is formed by connecting two same straight plates, and a break angle is arranged between the two straight plates. According to the connection joint, the cost is low, the condition that the rod pieces can freely rotate for 180 degrees is ensured, and the rod pieces to be connected are in accurate synchronous movement.

Description

technical field [0001] The invention relates to a mechanism and a deployable structure, in particular to a connection node for ensuring synchronous movement of rods. Background technique [0002] In the past three decades, the rapid development of my country's aerospace science and technology has promoted the application of deployable structures in aerospace, military engineering, civil engineering and other fields. As a new type of space structure, the deployable structure has the characteristics of mechanism movement, which can meet the actual needs of time and space in the environment, effectively change the geometric configuration of the structure, and the rods are basically in a stress-free state during the movement. For example, the deployable structure is usually folded into a compact folded state. When it needs to be used, the deployable structure can be gradually unfolded with the help of external drive and converted into a stable working state. Therefore, the depl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H37/12
Inventor 陈耀冯健
Owner SOUTHEAST UNIV
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