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Parallel mechanism with three-movement and two-movements and spiral-movement modes

A technology of helical motion and three movements, applied in the field of robotics, can solve the problems of single structure of parallel mechanism and cannot meet work requirements, and achieve the effect of good motion performance.

Active Publication Date: 2019-07-12
西安德普赛科计量设备有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a parallel mechanism with three-movement and two-movement-one-spiral movement modes, which solves the problem that the existing parallel mechanism has a single structure and cannot meet the work requirements under complex circumstances

Method used

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  • Parallel mechanism with three-movement and two-movements and spiral-movement modes

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] The present invention has a parallel mechanism with three-movement and two-movement-screw movement modes, such as figure 1 As shown, it includes a moving platform 11 and a fixed platform 12, and the moving platform 11 is connected to the fixed platform 12 through the first branch chain, the second branch chain, the third branch chain and the fourth branch chain respectively. Define the connection between the moving platform 11 and the first branch chain as A 1 , defining the joint between the moving platform 11 and the second branch chain as A 2 , define the connection between the moving platform and the third branch chain as A 3 , defining the connection between the moving platform 11 and the fourth branch chain as O. Define the connection between platform 12 and the first branch chain as B 1 , defining the connection between the ...

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PUM

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Abstract

The invention discloses a parallel mechanism with three-movement and two-movements and spiral-movement modes. The parallel mechanism comprises a movable platform and a fixed platform; and the movableplatform is connected with the fixed platform through a first branch chain, a second branch chain, a third branch chain and a fourth branch chain correspondingly. The parallel mechanism with the three-movement and two-movements and spiral-movement modes solves the problem that an existing parallel mechanism is single in structure and cannot meet the working requirements in complex situations.

Description

technical field [0001] The invention belongs to the technical field of robots, and in particular relates to a parallel mechanism with three-movement and two-movement-one-spiral movement 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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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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