Four-degree-of-freedom posture leveling mechanism

A technology of leveling mechanism and degree of freedom, applied in manipulators, program-controlled manipulators, manufacturing tools, etc., can solve the problem that the vibration reduction effect cannot satisfy the crew, etc., and achieve the effect of relatively simple kinematics, simple control, and concise structure

Inactive Publication Date: 2016-05-11
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of market demand, the traditional vibration reduction system has been widely used, but its existing vibration reduction effect c

Method used

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  • Four-degree-of-freedom posture leveling mechanism
  • Four-degree-of-freedom posture leveling mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Such as figure 1 A four-degree-of-freedom attitude leveling mechanism is shown, including a quadrilateral moving platform 5, a quadrilateral fixed platform 6, and four branch chains connecting the corresponding corners of the moving platform 5 and the fixed platform 6. The first branch chain 1 includes sequentially connected balls Vice 11, the first connecting rod 12, the first Hooke pair 13, the first driving block 14, the first moving pair 15 and the first square column 16, the second branch chain 2 includes the second Hooke pair 21, The second connecting rod 22, the second rotating pair 23, the second driving block 24, the second moving pair 25 and the second square column 26, the first square column 16, the column 19 and the second square column 25 are respectively fixed on the fixed platform 6 On the corner of the upper surface, the ball pair 11 and the second Hooke pair 21 are respectively connected to a corner of the moving platform 5, the first branch chain 1 an...

Embodiment 2

[0023] Such as figure 2 A four-degree-of-freedom attitude leveling mechanism is shown, including a quadrilateral moving platform 5, a quadrilateral fixed platform 6, and four branch chains connecting the corresponding corners of the moving platform 5 and the fixed platform 6. The first branch chain 1 includes sequentially connected balls Vice 11, first connecting rod 12, first rotating pair 17, first driving block 14, cylinder pair 18 and cylinder 19, the second branch chain 2 includes the second Hooke pair 21, the second connecting rod 22, The second rotating pair 23, the second driving block 24, the second moving pair 25 and the second square post 26, the first square post 16, the post 19 and the second square post 25 are respectively fixed on the corners of the upper surface of the fixed platform 6, The ball pair 11 and the second Hooke pair 21 are respectively connected to one corner of the moving platform 5, the first branch chain 1 and the third branch chain 3 have the ...

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Abstract

The invention relates to a four-degree-of-freedom posture leveling mechanism which comprises a movable platform, a fixed platform and four branch chains. The first branch chain comprises a ball pair, a first connecting rod, a first hook pair, a first driving block, a first moving pair and a first square column which are sequentially connected. Or the first branch chain comprises the ball pair, the first connecting rod, a first revolute pair, the first driving block, a cylinder pair and a cylinder which are sequentially connected. The second branch chain comprises a second hook pair, a second connecting rod, a second revolute pair, a second driving block, a second moving pair and a second square column which are sequentially connected. The first branch chain and the third branch chain are of the same structure and are arranged at opposite corners. The second branch chain and the fourth branch chain are of the same structure and are arranged at opposite corners. The four-degree-of-freedom posture leveling mechanism has the beneficial effects that the structure is simple, motion is simple comparatively, and control is concise comparatively; a novel machine type is provided for parallel motion equipment such as small-degree-of-freedom multi-dimensional vibration absorption, flight simulation, grabbing mechanisms, and the development and functionization of the parallel motion equipment are made possible.

Description

technical field [0001] The invention belongs to the technical field of parallel robots and relates to a four-degree-of-freedom attitude leveling mechanism. Background technique [0002] With the development of society, the process of trade globalization, and the urgent need for energy conservation and emission reduction, the ocean transportation industry is becoming more and more developed with its unique energy conservation. However, the seasickness of the crew and the low work efficiency. The protection of precision instruments is also urging the improvement of the ship's vibration reduction system. With the development of market demand, the traditional vibration reduction system has been widely used, but its existing vibration reduction effect can no longer meet the needs of the crew's life and work; here we propose a vibration reduction system that can be applied to ships parallel mechanism. [0003] The parallel mechanism is usually composed of a dynamic platform, a ...

Claims

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Application Information

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IPC IPC(8): B25J9/00
CPCB25J9/0072
Inventor 朱伟刘晓飞戴志明
Owner CHANGZHOU UNIV
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