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Two-freedom-degree micro type flexible hinge vibration attenuation platform and vibration attenuation method

A flexible hinge, degree of freedom technology, applied in the field of machinery, can solve problems such as complex analysis of compliant mechanisms

Inactive Publication Date: 2014-12-10
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] According to the performance characteristics of the compliant mechanism, the analysis of the compliant mechanism becomes complicated due to the geometric nonlinearity caused by the large deformation of the components.

Method used

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  • Two-freedom-degree micro type flexible hinge vibration attenuation platform and vibration attenuation method
  • Two-freedom-degree micro type flexible hinge vibration attenuation platform and vibration attenuation method

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Embodiment Construction

[0021] like figure 1 , figure 2 As shown, the two-degree-of-freedom miniature flexible hinge vibration damping platform at least includes a square frame shell 1, a central body 2 is inside the square frame shell 1, and a flexible thin plate 3 and a square frame shell are respectively passed around the central body 2. 1 connected, the surrounding flexible thin plate 3 is located at the lower end of the central body 2, and each surface of the square frame shell 1 is connected with a vertical edge of a flexible thin plate 3; the front or rear end of the central body 2 has four through holes 4, two of which are Arranged up and down along the front and rear surfaces, and the other two surfaces are arranged horizontally between the above-mentioned two upper and lower holes; the vertical motor 5 and the horizontal motor 6 of the two voice coil motors are fixedly connected to the horizontal frame 7 and the vertical frame 8 respectively, and the vertical motor 5 and The horizontal mo...

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Abstract

The invention belongs to the field of machines, and relates to a two-freedom-degree micro type flexible hinge vibration attenuation platform and vibration attenuation method. According to the platform, a central body (vibration attenuation platform body) is arranged in a square frame shell, the peripheral faces, arranged at the upper end or the lower end of the square frame shell, of the central body are respectively provided with a flexible thin plate, the flexible thin plates are connected and extend towards one side along the face, the other ends of the flexible thin plates are connected with one face of the square frame shell, one face of the square frame shell is connected with the perpendicular connecting faces of the flexible thin plates of the central body, a perpendicular motor and a horizontal motor are fixedly connected with a horizontal frame and a perpendicular frame respectively, when external disturbance enables the central body to move, reverse-direction pushing force of the motors is controlled through a control algorithm, the pushing force enables springs and a perpendicular pushing head to move in the reverse direction, meanwhile, the perpendicular pushing head ejects the central body to push in the reverse direction, and the central body is kept static.

Description

technical field [0001] The invention belongs to the field of machinery, and is mainly embodied in the aspect of vibration reduction, and relates to the adjustment of non-electric variables or the control of the position and attitude adjustment of the platform in the control system, in particular to a two-degree-of-freedom miniature flexible hinge vibration reduction platform and a vibration reduction method. Background technique [0002] The micro-vibration reduction platform is a nano-scale micro-positioning technology based on piezoelectric drive. It is a micro-motion precision positioning platform driven by a piezoelectric micro-displacement driver and a flexible hinge as an elastic guide rail. It has no friction, no backlash, and high resolution. High efficiency, easy control and compact mechanism. [0003] The compliant mechanism is a new type of mechanism that uses the elastic deformation of its own flexible components to convert force motion or energy. At present, the...

Claims

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Application Information

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IPC IPC(8): F16F15/02F16F15/04
Inventor 保宏田丽丽冷国俊杜敬利张国星段学超葛世滨
Owner XIDIAN UNIV
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