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Three-degree-of-freedom hybrid drive winding type flexible cable parallel mechanism

A hybrid drive, winding technology, applied in the direction of manipulators, program-controlled manipulators, manufacturing tools, etc., can solve the problems that the flexible cable cannot be wound and the working space is fixed, and achieve the effect of improving flexibility, increasing bearing capacity, and high bearing capacity.

Inactive Publication Date: 2015-02-04
CHINA UNIV OF MINING & TECH
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  • Abstract
  • Description
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Problems solved by technology

[0004] Purpose of the invention: In order to overcome the shortcomings of the conventional hybrid drive flexible cable parallel mechanism in the prior art that the flexible cable cannot be wound and the working space is fixed, the present invention provides a three-degree-of-freedom hybrid drive winding type flexible cable parallel mechanism, which can not only realize large loads Running, high-performance motion output, and has the characteristics of adjustable motion speed, and can be applied to a wide range of workspaces

Method used

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  • Three-degree-of-freedom hybrid drive winding type flexible cable parallel mechanism

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Embodiment Construction

[0022] The present invention will be further explained below in conjunction with the drawings.

[0023] Such as figure 1 , figure 2 Shown is a three-degree-of-freedom hybrid drive winding type flexible cable parallel mechanism, including three groups of mixed drive five-link winding structure units distributed in a fringe shape 1, a pylon support in a regular triangular prism structure 2, three flexible cables 16 和重物21; The flexible cord 16 is a wire cord.

[0024] The pylon bracket 2 includes three pylon prisms 17 and a pylon beam 18 whose two ends are respectively fixed to two adjacent pylon prisms 17, and a pulley bracket 20 is installed on the upper end of the pylon prism 17 and the pulley bracket 20 can rotate relative to the pylon prism 17; two pulleys 19 are installed on the pulley bracket 20, and there is an angle between the two pulleys 19; the pylon bracket 2 is installed on three sets of hybrid drive five-links The inner side of the winding structure unit 1, and each gr...

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Abstract

The invention discloses a three-degree-of-freedom hybrid drive winding type flexible cable parallel mechanism which comprises three hybrid drive five-bar winding structure units in triangular distribution, a cable bent tower support of a regular triangular prism structure and three flexible cables. A drive mechanism capable of winding is introduced into the mechanism, so that length of each flexible cable can be contracted and released greatly, working space of the mechanism is changed, and weights can reach positions difficult to reach by conventional hybrid drive flexible cable parallel mechanisms; a hybrid driving mechanism and the flexible cable parallel mechanism are integrated more perfectly; and the three-degree-of-freedom hybrid drive winding type flexible cable parallel mechanism is capable of completing high-load operation and achieving high output performance and complex movement rules, has profound theoretical significance and practical value of engineering application, and is a new generation mechanism which is simple in structure, large in working space and low in cost.

Description

Technical field [0001] The invention relates to a hybrid drive flexible cable parallel mechanism, in particular to a space three translational freedom degree hybrid drive winding type flexible cable parallel mechanism. Background technique [0002] Hybrid drive cable parallel mechanism, as one of the flexible parallel mechanisms, has been the research hotspot and subject frontier of international institutions in the past 10 years, and it is also one of the research fields where Chinese scholars have important academic influence in the world. The hybrid drive flexible parallel mechanism is a multi-closed loop and multi-elastic non-linear system, which is compatible with the high efficiency, high load-bearing capacity and flexible adjustment of the traditional flexible cable mechanism, and it makes up for the traditional flexible cable mechanism servo motor drive The time mechanism cannot bear the defect of large load, and can produce great acceleration. Compared with the conventio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25J9/12
Inventor 訾斌孙辉辉朱真才吴瑕韩雪
Owner CHINA UNIV OF MINING & TECH
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