Fixing device applied to tension and pressure vibration fatigue test of components

A technology of fixing devices and tension-compression vibration, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of less research on fatigue resistance of beam-type member structures

Active Publication Date: 2015-03-11
SICHUAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, most of the current research on beam member structures focuses on the bending and shear performance of beam member structures, and there are few studies on the fatigue resistance of beam member structures.

Method used

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  • Fixing device applied to tension and pressure vibration fatigue test of components
  • Fixing device applied to tension and pressure vibration fatigue test of components
  • Fixing device applied to tension and pressure vibration fatigue test of components

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Experimental program
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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0023] see figure 1 , figure 2 , image 3 and Figure 4 What is claimed is a fixture for component tension-compression vibration fatigue experiments, comprising an end fixture and an intermediate fixture connected to a vibration fatigue testing machine.

[0024] Wherein, the end fixing device includes a top fixing plate 1, a side fixing plate 2 and a bottom fixing plate 3, the top fixing plate 1 is connected with the side fixing plate 2 through a top fixing bolt 4, and the bottom fixing plate 3 is provided with a The up and down lifting adjustment device 5 and the left and right movement adjustment device 6 of the fixed plate 2. The bottom fixing plate 3 is provided with bottom fixing bolts 7 for integrally fixing the end fixing device on the foundation base 16 , and the top fixing plate 1 is also provided with spare bolts 18 .

[0025] The middle fix...

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PUM

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Abstract

The invention provides a fixing device applied to tension and pressure vibration fatigue test of components. The fixing device comprises an end fixing device and a middle fixing device arranged on a vibration fatigue tester, wherein the end fixing device is fixed on two ends of the vibration fatigue tester or the end fixing device is fixed at one end of the vibration fatigue tester; a top joint of a top fixing plate of the middle fixing device is connected with a fixing joint of a frame of the vibration fatigue tester. According to the fixing device applied to the tension, compression and vibration fatigue test of the components, the overall middle fixing device is moved upwards by pulling the fixing joint of the frame of the vibration fatigue tester upwards, so that the tension fatigue test of the components is implemented; the pressure fatigue test of the components is implemented by squeezing the fixing joint of the frame of the vibration fatigue tester downwards, so that the tension vibration fatigue test and the pressure vibration fatigue test of the components are implemented; the device is more in accordance with the actual condition of engineering. In addition, the device can be adaptive to tension and pressure vibration fatigue test of the components with various section types and different sizes through corresponding adjusting mechanisms.

Description

technical field [0001] The invention relates to a fatigue experiment device, in particular to a component tension-compression vibration fatigue experiment fixing device, which can perform tension-compression vibration fatigue experiments on beam-type components such as concrete beams and steel beams. Background technique [0002] Beam member structures will be subjected to fatigue loads during normal use, especially after natural disasters such as earthquakes and tsunamis, longitudinal waves will vibrate beam members up and down, and transverse waves will vibrate them horizontally. However, most of the current researches on the beam member structure focus on the bending and shear performance of the beam member structure, and there are few studies on the fatigue resistance of the beam member structure. In the existing large-scale component fatigue research, only pressure fatigue can be achieved, and tension fatigue is lacking. Therefore, there is currently a lack of tension-c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02
Inventor 董江峰贾璞袁书成王清远
Owner SICHUAN UNIV
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