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Two translational movement and jogging platform with redundancy branched chain

A micro-moving platform and two-translation technology, applied in the field of manufacturing, can solve the problems of increased platform volume and energy-consuming flexible hinges, etc., and achieve the effects of high sensitivity, high bearing capacity, and simple control.

Inactive Publication Date: 2009-10-14
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing technology can obtain higher stiffness by changing the structural parameters of the micro-motion platform, this often increases the volume of the platform and consumes unnecessary energy when driving to generate relative motion of the flexible hinge.

Method used

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  • Two translational movement and jogging platform with redundancy branched chain

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Embodiment Construction

[0013] exist figure 1 In the shown embodiment: two micro-displacement driving devices 2 are installed on the fixed platform 1, and the two groups of branch chains connected between the moving platform 8 and the fixed platform 1 each include two branch chains, wherein the first group Each of the branch chains includes an elastic moving pair 4 and two connecting rods 6, the axes of the two connecting rods 6 are parallel to each other, and one end of the two connecting rods 6 is connected to the moving platform 8 through the second elastic rotating pair 7 connected, the other end of which is respectively connected to one side of the elastic moving pair 4 through the first elastic rotating pair 5, and the other side of the elastic moving pair 4 is connected to the driving end of the micro-displacement driving device 2; each branch chain in the second group Both comprise the first connecting rod 10 and the second connecting rod 12, one end of the first connecting rod 10 is connecte...

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Abstract

The invention provides a two-translation micro-motion platform with redundant branch chains, including a motion platform, a fixed platform, a micro-displacement drive device and two sets of branch chains connected between the two platforms, and is characterized in that: two micro-displacement drive devices They are all installed on a fixed platform. Each group of branch chains includes two branch chains. The driving end of each micro-displacement driving device passes through the elastic moving pair of each branch chain in the first group, the first pair of elastic rotating pairs, The connecting rod and the second pair of elastic rotating pairs are connected with the motion platform; the moving platform also passes through the fifth elastic rotating pair, the first connecting rod, the fourth elastic rotating pair, and the second connecting rod of each branch chain in the second group in sequence. 1. The third elastic rotary pair is connected to the fixed platform; the rotation axes of all the elastic rotary pairs are parallel to each other. The invention introduces redundant branch chains, has higher bearing capacity and greater rigidity, and has high sensitivity and excellent performance.

Description

technical field [0001] The invention belongs to the field of manufacturing technology, and in particular relates to a two-translation micro-motion platform with redundant branch chains. Background technique [0002] With the continuous development and progress of science and technology, the scientific field of human research has penetrated into the microscopic fields that we cannot directly feel, such as medicine, biology, optics, materials and engineering. The objects of work are getting smaller and smaller. Such work must rely on special tools and means. Therefore, the research on micro-motion platforms has become a key technology in the microscopic field. The parallel micro-movement platform using flexible hinges has the characteristics of no friction, no gap, fast response, and compact structure, so it is widely used in micro-operation fields such as chromosome cutting, chip manufacturing, processing and assembly of micro-electromechanical products. [0003] For example...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25J19/00B25J9/08
Inventor 张彦斐宫金良魏修亭
Owner SHANDONG UNIV OF TECH
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