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Double-platform mechanism

A dual-platform, motion-platform technology, applied in the field of machinery, can solve problems such as poor manufacturability, high manufacturing cost, and complex structure, and achieve the effects of easy processing and manufacturing, improved structural rigidity, and simple mechanism

Inactive Publication Date: 2015-03-25
GUANGXI ZHITONG ENERGY SAVING ENVIRONMENTAL PROTECTION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are still some shortcomings in the existing parallel robot mechanism, such as poor manufacturability, complex structure, high manufacturing cost, etc.

Method used

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Embodiment Construction

[0018] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0020] Such as figure 1 As shown, a double-platform mechanism is characterized in that: it is composed of a moving platform 1, a fixed platform 11 and three branch chains connecting the above two platforms. The three branch chains have the same structure, and are composed of a universal joint pair, a It consists of a revolving pair, a ball pair and the connecting rod between them;

[0021] One end of the first upper link L3 of the first branch chain is ...

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Abstract

The invention discloses a double-platform mechanism. The double-platform mechanism comprises three branch chains of the same structure, and the three branch chains are each composed of a universal joint pair, a rotary pair, a spherical pair and connecting rods between the universal joint pair, the rotary pair and the spherical pair from top to bottom. Motion output of three movements of a motion platform of a parallel robot mechanism can be achieved, the mechanism is simple, machining and manufacturing are easy, a kinematic model is simple, kinematic calibration and control become easy, meanwhile, the mechanism is provided with few joints, and structural rigidity is improved.

Description

technical field [0001] The invention relates to the mechanical field, in particular to a double platform mechanism. Background technique [0002] The parallel robot mechanism is connected by more than two branch chains between the fixed platform and the motion platform. Each branch chain is composed of a connecting rod and a motion pair. The motion platform has more than two degrees of freedom and is driven in parallel. , which is very different from the transmission series robot in terms of mechanism, kinematics, and dynamics. [0003] Parallel robot mechanisms are widely used in technical fields such as robots, CNC machine tools, sensors, micro-operations, manufacturing and processing, and researchers have also invented many parallel mechanisms. However, there are still some deficiencies in the existing parallel robot mechanism, such as poor manufacturability, complex structure, and high manufacturing cost. Contents of the invention [0004] The object of the present i...

Claims

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Application Information

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IPC IPC(8): B25J9/00
Inventor 骆艺蔡桂钧何卫华
Owner GUANGXI ZHITONG ENERGY SAVING ENVIRONMENTAL PROTECTION TECH
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