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Parallel Mechanisms with Two-Movement-Screw and Two-Movement-Rotation Motion Patterns

A motion mode and spiral technology, applied in the field of robotics, can solve problems such as single structure of parallel mechanism and inability to meet work requirements

Active Publication Date: 2021-09-14
西安德普赛科计量设备有限责任公司
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to provide a parallel mechanism with two-movement-screw and two-movement-rotation motion modes, which solves the problem that the existing parallel mechanism has a single structure and cannot meet the work requirements in complex situations

Method used

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  • Parallel Mechanisms with Two-Movement-Screw and Two-Movement-Rotation Motion Patterns

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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] The present invention has the parallel mechanism of two movement-screw and two movement-rotation movement patterns, as figure 1 As shown, there are a moving platform 10 and a fixed platform 11, and the moving platform 10 is connected to the fixed platform 11 through a first branch chain, a second branch chain and a third branch chain respectively. Define the connection between the moving platform 10 and the first branch chain as A 1 , defining the joint between the moving platform 10 and the second branch chain as A 2 , define the connection between the moving platform 10 and the third branch chain as A 3 . Define the connection between platform 11 and the first branch chain as B 1 , defining the connection between the fixed platform 11 and the second branch chain as B 2 , define the connection between platform 11 and the third br...

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Abstract

The parallel mechanism with two movement-screw and two movement-rotation movement modes disclosed by the present invention includes a moving platform and a fixed platform, and the moving platform is respectively connected to the fixed platform through the first branch chain, the second branch chain and the third branch chain . The parallel mechanism with two moving-screw and two moving-rotating motion modes of the present invention solves the problem that the existing parallel mechanism has a single structure and cannot meet the working requirements under complicated circumstances.

Description

technical field [0001] The invention belongs to the technical field of robots, and in particular relates to a parallel mechanism with two-movement-screw and two-movement-rotation motion modes. Background technique [0002] The parallel robot mechanism is a closed-chain form with multiple degrees of freedom and multiple loops in space. Since the 1980s, parallel mechanisms have been widely used in virtual axis machine tools, micro-motion consoles, motion simulators and multi-dimensional force sensors because of their high rigidity, large bearing capacity, small cumulative error, good dynamic characteristics, and compact structure. Widely used in other industries. Parallel mechanisms have 2, 3, 4, 5 or 6 degrees of freedom. At present, the research on parallel mechanisms with 6 degrees of freedom is relatively comprehensive and in-depth, but the reduction of degrees of freedom in parallel mechanisms will make the mechanism structure simpler, manufacturing and control The cost...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25J9/00
CPCB25J9/0072
Inventor 刘伟
Owner 西安德普赛科计量设备有限责任公司
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