A Parallel Mechanism Containing Multiple Slide Rails and Composite Branch Chains

A multi-slide, parallel technology, used in manipulators, program-controlled manipulators, manufacturing tools, etc., can solve the problems of inability to guarantee high-precision work execution, reduce the working space of the mechanism, and low flexibility, and achieve convenient processing, manufacturing and replacement. The effect of saving resources and ensuring accuracy
CN112621716BActive Publication Date: 2022-05-17CIVIL AVIATION UNIV OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CIVIL AVIATION UNIV OF CHINA
Publication Date
2022-05-17

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Abstract

A parallel mechanism with multiple slide rails and composite branch chains. It includes a base, a moving platform, a first compound drive branch, a second compound drive branch and a third compound branch, and the mechanism has three degrees of freedom of rotation and two translations. The advantages of the present invention: the use of two composite drive branch chains and one composite branch chain can effectively reduce the number of branch chains of the mechanism, reduce the interference between the branch chains during the operation of the mechanism, and at the same time, the cooperation of multiple branch chains can improve the flexibility of the mechanism ;Using multiple slide rails to connect and drive, which can maintain the stability of the operation of the mechanism and improve the execution accuracy of the end effector on the moving platform; The connection method of two identical branch chains and three identical slide rails is convenient for processing, manufacturing and replacement, reducing the cost of The cost is beneficial to save resources; the redundant structure can avoid singularity when the moving platform rotates, and ensure the accuracy of the mechanism operation.
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Description

technical field

[0001] The invention belongs to the technical field of parallel mechanisms, in particular to a parallel mechanism containing multiple sliding rails and composite branch chains. Background technique

[0002] With the rapid development of the manufacturing industry, the disadvantages of the series mechanism are increasingly exposed. The parallel mechanism has gradually replaced the series mechanism and has been widely used due to its flexible structure, large carrying capacity, and high operating precision. focus of attention.

[0003] The configuration of multiple single-branched chains is likely to cause interference between the branched chains of the mechanism and reduce the working space of the mechanism. Execution of precision work. The connection mode of slide rail control drive makes it easier to grasp the accuracy and the mechanism runs more smoothly. To sum up, it is of high practical value to design a parallel mechanism with multiple slide rails an...

Claims

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