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An adjustable clamping device for vibration experiments of unilaterally fixed annular structures

A ring structure and clamping device technology, which is applied in the testing of machine/structural components, vibration testing, measuring devices, etc., can solve problems such as large vibration, complex working environment of one-sided fixed ring structure, and endangering the safety of the overall structure. To achieve the effect of saving experimental cost

Active Publication Date: 2021-01-05
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The actual working environment of various single-sided fixed ring structures is complex, and the joint action of various external stimuli may cause severe and large vibrations, which in turn endanger the operation safety of the overall structure

Method used

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  • An adjustable clamping device for vibration experiments of unilaterally fixed annular structures
  • An adjustable clamping device for vibration experiments of unilaterally fixed annular structures
  • An adjustable clamping device for vibration experiments of unilaterally fixed annular structures

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0025] The foundation support (2) is fastened to the horizontal vibrating table (10) by foundation fastening bolts (9). Measure the height of the ring structure (24) used in the experiment, adjust the upper buffer bolt assembly (6) and the lower buffer bolt assembly (7) to about 1 / 10 of the ring structure (24) vertically fastening both ends, use The fastening bolts (23) realize the fastening fit between the bolt assembly (6, 7) for buffering and the vertical surface (11) of the foundation support. The ring structure (24) used in the horizontal placement experiment adjusts the hook (17) and the horizontal adjustment slider (18) of the bottom adjustment assembly (4), and uses the second fastening bolt (19) to realize the hook (17), The ring structure (24) used in the experiment is tightly matched with the vertical surface (11) of the foundation support; adjust the hook (14) of the top adjustment assembly (3) and the horizontal adjustment slider (15), use the first fastening The...

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Abstract

The invention, which belongs to the technical field of mechanical vibration experiments, discloses an adjustable clamping device for the vibration experiment of a single-side fixed annular structure.The adjustable clamping device comprises five parts including a basic support, a top two-way adjustment assembly, a bottom adjustment assembly, a locking bolt assembly and a buffer bolt assembly. Therefore, the adjustable clamping device is capable of carrying out single-side fixed clamping on annular structures with different sizes. According to the size of the annular structure for the experiment, the top two-way adjustment assembly and the bottom adjustment assembly can carry out horizontal direction adjustment to realize fasting in a horizontal direction. The top two-way adjustment assembly and the locking bolt assembly can carry out vertical direction adjustment to realize fasting in a vertical direction. On the basis of the size of the annular structure for the experiment, the adjustment assemblies are adjusted to perform single-side fastening clamping on the annular structure to realize single-side fastening clamping on single-side fixed annular structures with different sizes.The repeated design is avoided and the experiment cost is saved.

Description

technical field [0001] The invention discloses an adjustable clamping device for vibration experiments of unilaterally fixed ring structures, belongs to the technical field of mechanical vibration experiments, and in particular relates to an adjustable clamping device for vibration experiments of unilaterally fixed ring structures of different sizes . Background technique [0002] The ring structure considering the one-sided fixed boundary condition is a common structural component in mechanical engineering, and it is a structural device widely used in engineering fields such as aerospace. The vibration measurement of the single-side fixed ring structure can not only provide experimental verification for the theoretical analysis, but also a prerequisite for ensuring the safe and reliable operation of the single-side fixed ring structure. Since the influence of different size parameters on the vibration performance of the structure will be considered in the design process of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M7/02
CPCG01M7/025G01M7/027
Inventor 张伟刘涛郑岩
Owner BEIJING UNIV OF TECH
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