Low frequency calibration vibrating table

A shaking table, low frequency technology, applied in the direction of instruments, etc., can solve the problem that the calibration shaking table cannot meet the calibration of low frequency sensors, and achieve the effects of stable vibration, wide vibration frequency range and small harmonic distortion.

Active Publication Date: 2014-07-16
SUZHOU DONGLING VIBRATION TEST INSTR
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on the above two main reasons, the current calibration vibration table can no longer meet the calibration of low-frequency sensors. Therefore, it is urgent to develop a low-frequency calibration vibration table to make up for the shortcomings of the existing calibration vibration table in low-frequency calibration.

Method used

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Embodiment Construction

[0020] The technical solution in the embodiment will be specifically, clearly and completely described below in conjunction with the drawings in the embodiment.

[0021] see Figure 1-2 As shown, a low-frequency calibration vibrating table includes a base 1 and a mounting base 2 fixed on the base 1. Two ends of the mounting base 2 are respectively fixed with a support 3 along its width direction. Between the two support 3 A pair of guide shafts 4 are fixed symmetrically and at intervals, each guide shaft 4 is provided with two air bearings 5, a total of four air bearings 5, the air bearings 5 ​​choose a square structure for easy assembly, and the working platform 6 is fixed on the Four air bearings 5, and each corner of the working platform 6 is fixedly connected with one air bearing 5, so as to ensure the stability of the working platform 6. A linear motor 7 is fixed between a pair of guide shafts 4 on the mounting base 2 , the linear motor 7 is fixedly connected to the lowe...

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Abstract

The invention discloses a low frequency calibration vibrating table which comprises a mounting seat. Supports, guide shafts, a working table, a linear motor and a grating ruler are arranged on the mounting seat, the two supports are fixedly arranged at the two ends of the mounting seat respectively in the width direction of the mounting seat, at least two guide shafts are fixedly arranged between the supports in a spaced mode, at least one air bearing is arranged on each guide shaft in a sleeved mode, the working table is fixedly arranged on the air bearings, the linear motor is located between the guide shafts and is fixedly arranged on the mounting seat, the linear motor is fixedly connected to the lower end face of the working platform, and the grating ruler is fixedly arranged on one side of the mounting seat in the length direction. The low frequency calibration vibrating table has the advantages of being wide in vibrating frequency range, large in vibrating displacement and the like, is small in harmonic distortion and provides a good platform for the calibration of low frequency vibration acceleration sensors.

Description

technical field [0001] The invention relates to a calibration vibration device, in particular to a low-frequency calibration vibration device, which belongs to the technical field of mechanical environment. Background technique [0002] In recent years, due to the rapid development of my country's national economy, the degree of automation of various mechanical and electronic products is changing with each passing day, and the demand for various sensors is also increasing. Therefore, in order to ensure the quality of the sensor, it is very necessary and urgent to calibrate the sensor. At present, there are not many calibration equipment suitable for low-frequency sensors. The electric vibration table composed of voice coil linear motor principle is mainly used to calibrate low-frequency sensors. However, due to the influence of its working principle and structure, this kind of calibration equipment has the following disadvantages : [0003] (1) The low-frequency distortion ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D18/00
Inventor 仝宁可王琳吴国雄
Owner SUZHOU DONGLING VIBRATION TEST INSTR
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