A multi-degree-of-freedom bionic joint

Abstract

The invention provides a multi-degree-of-freedom bionic joint. The multi-degree-of-freedom bionic joint comprises a moving part, a support part and a driving part, wherein a concave joint surface is arranged at the upper end of the support part, and a convex joint is arranged at the side end; the lower end of the moving part is a spherical body; the spherical body is mounted in the concave joint surface; the driving part comprises six flexible wires for connecting the spherical body with the concave joint surface, two sets of rotating muscle units for connecting the convex joint and the moving part, and four sets of stretching muscle units symmetrically arranged between the upper edge of the support part and the moving part; the two sets of rotating muscle units are symmetrically arranged at the two sides of the convex joint; one of the six flexible wires is arranged in the middle position of the convex joint; and the other five flexible wires are uniformly arranged in corresponding positions at one side of the opposite surface of the convex joint in the peripheral direction. The multi-degree-of-freedom bionic joint has no driving noise, is directly driven by artificial muscles to finish the movement, shortens the energy transmission chain, and is high in driving efficiency.

Description

technical field [0001] The invention relates to a bionic joint, in particular to a multi-degree-of-freedom bionic joint. Background technique [0002] In view of the thousands of years of human research on the biological world, the application of bionics to solve problems in practical life has been generally recognized by the academic community. [0003] At present, the research on multi-degree-of-freedom joints is mainly focused on traditional methods such as mechanically complex structural design and lengthy transmission chains. This transmission method increases the difficulty of assembly load and structural design, and the extended transmission chain results in Driven energy loss, complex assembly structure, it is difficult to achieve flexible and free movement. Because most of the robot joints are driven by hydraulic pressure, pneumatic or motor with speed reduction mechanism, there are problems such as large noise pollution. Therefore, there is an urgent need for a m...

AI Technical Summary

Problems solved by technology

[0003] At present, the research on multi-degree-of-freedom joints is mainly focused on traditional methods such as mechanically complex structural design and lengthy transmission chains. This transmission method increases the difficulty of assembly load and structural design, and the extended transmission chain results in Drive energy loss, complex assembly structure, it is difficult to achieve flexible and free movement

Since most of the robot joints are driven by hydraulic, pneumatic or electric motors with reduction mechanisms, there are problems such as large noise pollution.

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