Novel broad sense parallel connection platform structure

A parallel and generalized technology, applied in the direction of manipulators, program-controlled manipulators, manufacturing tools, etc., can solve the problem of single construction angle and achieve the effect of large working space and strong practicability

Inactive Publication Date: 2010-07-14
高金磊
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Although new parallel mechanisms can be constructed by changing the distribution of hinges, installation angles, driving positions,

Method used

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  • Novel broad sense parallel connection platform structure
  • Novel broad sense parallel connection platform structure
  • Novel broad sense parallel connection platform structure

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Embodiment Construction

[0031] According to the technical solution mentioned in the above-mentioned content of the invention, this mechanism has five degrees of freedom. Therefore, in actual implementation, five motors are required to drive the two curved moving pairs and the moving pairs of the three branch chains on the fixed platform respectively. . The bottom two motors can be placed on the bottom of the fixed platform, and the remaining three motors can be placed on relatively static nodes of the branch chain.

[0032] The hinge can be made of standard parts - universal joints. The moving platform and the fixed platform can be obtained by using existing plates or by mechanical processing. Various terminal operating elements or sensing devices can be placed on the moving platform, such as operators, cameras, etc.

[0033] For the three branch chains, it is a single-degree-of-freedom moving pair. Therefore, in addition to ensuring its moving degree of freedom, the other five degrees of freedom ne...

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Abstract

The invention relates to a novel broad sense parallel connection mechanism, Compared with the traditional parallel connection mechanism, the invention has the advantages of large work space, strong practicability and the like. The traditional parallel connection mechanism has a series of defects of single form, narrow application range and the like. Thereby, after about a half century of development, the parallel connection mechanism subject faces a large research bottleneck. The invention grasps the substance of the parallel connection mechanism, and generates a novel type of novel parallel connection form which is called the broad sense parallel connection mechanism through changing the structure characteristics of movable platforms of the parallel connection mechanism. The mechanism type is based on the simplest and most stable spatial structure of tetrahedroids, and generates the novel parallel connection mechanism through serial connection or parallel connection of a plurality of tetrahedroids. On one hand, the provision of the mechanism widens the application fields of the parallel connection mechanism, and makes the parallel connection mechanism hopeful to be applied to novel fields such as spatial operation arms, movable robots and the like, and on the other hand, the invention greatly enriches the types of the parallel connection mechanism, widens the construction principles of the parallel connection mechanism, and has higher value.

Description

Technical field: [0001] The invention relates to a novel generalized parallel mechanism, which has the advantages of large working space and strong practicability compared with the traditional parallel mechanism. Background technique: [0002] A parallel robot with few degrees of freedom generally refers to a parallel robot with 2, 3, 4 or 5 degrees of freedom. Due to its advantages of simple structure and low cost, space parallel mechanism with few degrees of freedom has attracted extensive attention of scholars at home and abroad in recent years. Through the analysis and summary of the existing parallel mechanisms with few degrees of freedom, it can be seen that the current configuration of parallel mechanisms with few degrees of freedom mainly has the following two characteristics: First, the position of one end of each branch chain relative to the fixed platform is not fixed. Second, the structural form of each branch chain is the same, that is, most of them are symmetr...

Claims

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Application Information

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IPC IPC(8): B25J9/16
Inventor 高金磊
Owner 高金磊
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