Rotation pair combination unit and motion decoupling parallel mechanism formed thereby

A technology of combining units and rotating pairs, which is applied in the directions of manipulators, program-controlled manipulators, manufacturing tools, etc., can solve the problems of complex control, difficult calibration, and has not yet been reported in the literature.
CN100400246CInactive Publication Date: 2008-07-09HEBEI UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HEBEI UNIV OF TECH
Publication Date
2008-07-09
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention refers to a kind of moving spider compound unit and movement decoupling parallel mechanism made up of above units, the character lies in: it includes two groups of moving spider units connected by a pole, the moving spider axis spaces are placed orthogonally, one moving spider includes two moving spiders whose axes are parallel and which is connected by a pole; the other moving spider includes three moving spiders whose axes are parallel and which is connected by two poles, the connecting point of the two groups of moving spiders is the third link. The movement decoupling parallel mechanism includes a base, a moving platform and three same or different moving spiders between them, the compound units are moving spiders' compound units, or the random combinations of the moving spiders.
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Description

technical field

[0001] The invention relates to the field of advanced manufacturing, in particular to a motion decoupling parallel mechanism composed of rotating pair combination units. The so-called motion decoupling parallel mechanism refers to the parallel mechanism in which the translation or rotation of the parallel mechanism in a certain direction only depends on the action of the drive unit in this direction, while the drive units in other directions do not make effective actions. The International Patent Classification is proposed to be IPC.CL 7 .B25J 9 / 08. Background technique

[0002] Parallel mechanism refers to the mechanism in which two or more drive units are installed in parallel and jointly complete the action. It is widely used in technical fields such as heavy-duty simulation equipment, CNC machine tools, robots, sensors, and micro-operations.

[0003] So far, there have been some research results on parallel mechanisms using pure rotary pairs: such as, t...

Claims

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