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Precisely-driven vibrating platform

A vibration table and drive platform technology, which is applied in vibration testing, measuring devices, testing of machines/structural components, etc., can solve problems such as the difficulty of implementing micro-nano level vibration equipment, and achieve good rigidity, simple mechanism, and good reliability Effect

Active Publication Date: 2011-08-17
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is difficult to achieve micro-nano level vibration equipment based on traditional vibration equipment.

Method used

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  • Precisely-driven vibrating platform
  • Precisely-driven vibrating platform
  • Precisely-driven vibrating platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0058] Such as Figure 6 As shown, the drive mechanism 2 is: the driver 4, the frame body and the amplified displacement output rod 7 connected thereto and the displacement output rod of the driver 4, wherein: the displacement output rod of the driver 4 is horizontally arranged on the elliptical structure In the frame type body and the driver 4 is located in the middle of the driver 4 displacement output rod, and the enlarged displacement output end rod 7 is arranged on the top of the frame type body of the oval structure.

[0059] The position where the displacement output rod of the driver 4 is in contact with the frame body is provided with snap rings;

[0060] Linear bearings are provided at the position where the amplified displacement output rod 7 and the displacement output rod of the driver 4 are in contact with the support frame.

[0061] The drive mechanism 2 can act to form as Figure 7 The shaker setup shown. The displacement produced by it to the displacement o...

Embodiment 3

[0063] Such as Figure 7-Figure 9 As shown, this embodiment includes: a support frame 1 , one or three driving mechanisms 2 arranged in the support frame 1 and a vibration platform 3 connected thereto.

[0064] The drive mechanism 2 is composed of a driver 4 and a driver output rod 5 fixedly connected thereto. The top end of the driver output rod 5 is hinged to the drive platform 4 .

[0065] Described hinge all adopts spherical hinge or cross hinge 19 to realize.

[0066] When working, the three-degree-of-freedom movement realized is: three precision-driven vibration tables at three fulcrums act simultaneously to move up and down the vibration platform 4; Swing form; thereby realizing a reciprocating linear motion, and two swinging motions, such a three-degree-of-freedom motion platform.

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Abstract

The invention provides a precisely-driven vibrating platform, belonging to the technical field of precise driving. The vibrating platform comprises a supporting rack, at least one driving mechanism arranged in the supporting rack, and a vibrating platform that is connected with the driving mechanism. In the invention, based on the telescopic deformation of an intelligent material, direct displacement is generated to drive the vibration; the vibrating platform has a simple structure, reliability, high driving efficiency and precisely controllable amplitude, can realize the broad width from nanometer to several millimeters and the wide frequency from quasi-static to high frequency, and has large-load vibration capability.

Description

technical field [0001] The invention relates to a device in the technical field of precision drive, in particular to a precision drive vibrating table. Background technique [0002] In recent years, due to the development of technology in the field of micro-nano devices and ultra-precision manufacturing, there is an urgent need for an active control vibration platform for micro-nano and disturbed vibrations to solve the problem of micro-vibration in the process of micro-nano devices and ultra-precision processing. At present, vibration equipment is mainly realized by hydraulic, pneumatic, electromagnetic and mechanical vibration methods. Since these vibration devices are realized by hydraulic, pneumatic and mechanical vibration behaviors, there are many components in the vibration drive implementation, multi-component transmission gaps, dimensional accuracy errors of each component, etc., making it impossible for such components to be driven. The vibration performance of mi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M7/02G01M7/06
Inventor 杨斌堂孟光
Owner SHANGHAI JIAO TONG UNIV
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