High damping vibration test clamp

A vibration test, high damping technology, applied in vibration testing, machine/structural component testing, measuring devices, etc., can solve problems such as small damping of fixtures, and achieve the effect of increasing damping and improving transmission characteristics

Inactive Publication Date: 2014-04-09
BEIJING INST OF RADIO MEASUREMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a high-damping vibration test fixture to solve the problem of small damping of traditional vibration test fixtures

Method used

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Experimental program
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Embodiment Construction

[0015] A high-damping vibration test fixture includes: a connecting bottom plate 1, connecting vertical plates 2 and reinforcing ribs 3, and also includes: a high-damping rubber layer 4 and a constraint layer 5.

[0016] The connection bottom plate 1 and the connection riser 2 are steel rectangular plates, the connection bottom plate 1 is placed horizontally, the connection riser 2 is placed vertically, the connection riser 2 is perpendicular to the connection bottom plate 1 and fixed by welding; the reinforcing rib 3 is a steel triangle, Reinforcement rib 3 is N pieces, among which 2≤N≤5, reinforcement rib 3 is perpendicular to connection bottom plate 1 and connection riser 2 and welded with connection bottom plate 1 and connection riser 2 respectively; high damping rubber layer 4 is pasted on connection bottom plate 1 , connecting the outer surfaces of the risers 2 and the reinforcing ribs 3 , the constraining layer 5 is pasted on the outer surfaces of the high damping rubber...

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Abstract

The invention discloses a high damping vibration test clamp which comprises a connecting bottom board (1), a connecting vertical board (1) and reinforcing ribs (3), and further comprises a high damping rubber layer (4) and a restraint layer (5). The connecting bottom board (1) is horizontally placed, the connecting vertical board (2) is vertically placed, and the connecting vertical board (2) and the connecting bottom board (1) are fixed in a welded manner; the reinforcing ribs (3) are perpendicular to the connecting bottom board (1) and the connecting vertical board (2) and welded to the connecting bottom board (1) and the connecting vertical board (2) respectively. The high damping vibration test clamp is connected with a platform board of a vibration platform through threaded holes in the connecting bottom board (1); and a detected device is connected with the high damping vibration test clamp through threaded holes in the connecting vertical board (2) and threaded holes in the connecting bottom board (1). According to the high damping vibration test clamp, the high damping rubber layer adheres to the surface of the clamp and the restraint layer is added to the high damping rubber layer, so that the damping of the clamp is increased, and therefore the transmission characteristics of the clamp are effectively improved.

Description

[0001] technical field [0002] The invention relates to a vibration test fixture, in particular to a high-damping vibration test fixture. Background technique [0003] In the vibration test, the fixture is used as the connection part and the energy transmission medium between the vibration table and the equipment under test, and its dynamic characteristics directly affect the reliability of the vibration test. [0004] Due to the particularity of the vibration test fixture, ideally, the fixture does not resonate in the test frequency band, so as to ensure that the equipment is excited by the vibration specified in the standard without distortion. If the fixture attenuates the vibration, it will cause the equipment to be "under-tested", and the originally unqualified products will pass the test; if the fixture will amplify the vibration, it will cause the equipment to "over-test", so that the originally qualified products will not pass the test. For large-scale fixtures ...

Claims

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Application Information

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IPC IPC(8): G01M7/02
Inventor 翁俊严洲徐望王庆
Owner BEIJING INST OF RADIO MEASUREMENT
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