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Decoupling mechanism for large-displacement vibration test and test device

A technology of vibration test and large displacement, which is applied in the direction of vibration test, measuring device, machine/structural component testing, etc. It can solve the problem that the electrodynamic vibration table cannot meet the requirements, the test cannot be carried out, and the development and exploration of large displacement vibration test technology are limited, etc. question

Pending Publication Date: 2021-09-10
SUZHOU SUSHI TESTING INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitations of the internal structure and guidance of the table body, the maximum displacement of the electric vibration table is 100mm at present, and the test with a displacement of more than 100mm cannot be carried out on the electric vibration table.
This greatly limits the development and exploration of large displacement vibration test technology
Conventional electrodynamic shakers cannot meet the requirements

Method used

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  • Decoupling mechanism for large-displacement vibration test and test device
  • Decoupling mechanism for large-displacement vibration test and test device
  • Decoupling mechanism for large-displacement vibration test and test device

Examples

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Effect test

Embodiment 1

[0042] This embodiment provides a decoupling mechanism for large displacement vibration tests, including a first transmission decoupling assembly 1, a rotation amplification assembly 3 and a second transmission decoupling assembly 2, such as Figure 1 ~ Figure 2 shown.

[0043] Such as Figure 7 As shown, the rotation amplification assembly 3 includes a support 31 and a transmission rod 32. The third connecting shaft 33 is arranged on the top of the support 31. The direction of the axis of the third connecting shaft 33 extends along the y-axis. The transmission rod 32 There is a third annular hole through the third connecting shaft 33 on the top, the transmission rod 32 is connected to the third connecting shaft 33 through the third annular hole, and the first end of the transmission rod 32 is provided with The first ring hole, the second end of the transmission rod 32 is provided with a second ring hole; preferably, the distance from the axis of the third connecting shaft 33...

Embodiment 2

[0050] This embodiment provides a kind of vibration test device for large displacement vibration test, see Figure 1 ~ Figure 2 , including the vibrator 02, the slide assembly 03 and the decoupling mechanism provided by Embodiment 1. Preferably, the vibrator 02 is provided with a first adapter block 4, such as Figure 8As shown, the first adapter block 4 is provided with a number of screw holes for fixing the first adapter block 4 to the vibrator 02, and the first adapter block 4 is also provided for fixing the first The first protrusion of the fixed block 13 and the second protrusion used to fix the second fixed block 14 are also provided with several screw holes respectively on the first protrusion and the second protrusion; 03 is provided with a second transfer block 5, such as Figure 9 As shown, a number of screw holes are provided on the second adapter block 5 for fixing the second adapter block 5 to the slide assembly 03, and there are also provided on the second adap...

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Abstract

The invention relates to a decoupling mechanism for a large-displacement vibration test, and the decoupling mechanism comprises a first transmission decoupling assembly, a rotation amplification assembly, and a second transmission decoupling assembly. The first transmission decoupling assembly comprises a first transmission shaft and a first transmission main body which is in shaft connection with the first transmission shaft; the second transmission decoupling assembly comprises a second transmission shaft and a second transmission main body in shaft connection with the second transmission shaft, the extension direction of the axis of the first transmission shaft is the same as that of the axis of the second transmission shaft, and a first connecting shaft is arranged between the rotary amplification assembly and the first transmission main body; and a second connecting shaft is arranged between the rotary amplification assembly and the second transmission body, and the extension direction of the axis of the first connecting shaft and the extension direction of the axis of the second connecting shaft are the same and perpendicular to the extension direction of the axis of the first transmission shaft or the extension direction of the axis of the second transmission shaft. The vibration test device prepared by combining the decoupling mechanism with a vibration exciter and a sliding table assembly realizes large-displacement vibration of the sliding table assembly.

Description

technical field [0001] The invention belongs to the technical field of vibration tests, and in particular relates to a decoupling mechanism and a test device for large displacement vibration tests. Background technique [0002] The vibration table can simulate various vibration dynamic environments, and is widely used in simulation tests of various typical vibrations of auto parts, electronic components, aerospace products, etc. [0003] A conventional vibrating table consists of an exciter, a support, a connector and a horizontal slide. Both ends of the connector are connected to the vibrator and the horizontal slide table, the horizontal slide table and the vibrator are fixed on the support, the vibration of the vibrator can be transmitted to the horizontal slide table through the connection, and the test piece is installed on the horizontal slide table. The stage vibrates together. With the development of test technology, the requirements for tests are getting higher an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M7/02
CPCG01M7/02G01M7/022
Inventor 邬玉刚朱江峰赵斌
Owner SUZHOU SUSHI TESTING INSTR CO LTD
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