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Structural dynamics reliability test device

A test device and dynamics technology, which is applied in the field of structural dynamics reliability test device, can solve problems such as energy loss and inability to accurately measure the strain of the tested unit

Active Publication Date: 2018-04-13
NORTHWESTERN POLYTECHNICAL UNIV
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  • Claims
  • Application Information

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Problems solved by technology

[0004] However, when the impact velocity of the moving object is relatively large, the impact test device itself will also move, resulting in energy loss, so that the strain of the tested unit cannot be accurately measured

Method used

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  • Structural dynamics reliability test device
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Embodiment Construction

[0024] Example embodiments will now be described more fully with reference to the accompanying drawings. Exemplary embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these examples are provided so that this disclosure will be thorough and complete and will fully convey the concept of the exemplary embodiments communicated to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0025] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another component, these terms are used in this specification only for convenience, for example, according to the description in the accompanying drawings directions for the example described above. It will be appreciated that if the illustrated device is ...

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Abstract

The invention relates to the technical field of dynamic test equipment, and provides a structural dynamics reliability test device. The structural dynamics reliability test device comprises a base, adetected unit and a load simulation assembly, wherein the base is of an integrated structure; the detected unit is connected at a first end of the base; and a first end of the load simulation assemblyis connected at a second end of the base, a second end of the load simulation assembly is connected with the detected unit so as to provide a simulated load for the detected unit. In the invention, the base is of an integrated structure, the energy loss does not occur when dynamic load simulation is performed on the detected unit, and thus the detection accuracy is improved.

Description

technical field [0001] The invention relates to the technical field of dynamic test equipment, in particular to a structural dynamic reliability test device. Background technique [0002] When a moving object acts on a stationary engineering component (object to be impacted) at a relatively high speed, the engineering component will bear a large force. This force is called impact load, and this phenomenon is called impact. The stress caused by impact on engineering components is called impact stress. The characteristic of the impact problem is that the time when the structure is subjected to external force is extremely short, and the acceleration changes sharply, so it is difficult to accurately measure the impact stress. Therefore, in engineering, it is necessary to obtain the strain of engineering components during impact by means of experimental testing. [0003] In the prior art, the tested unit is usually placed on the impact test device, and the strain gauge is paste...

Claims

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Application Information

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IPC IPC(8): G01M7/08
CPCG01M7/08
Inventor 何新党吕震宙岳珠峰苟文选耿小亮高宗战王元生周浩谢昌宏党扬帆
Owner NORTHWESTERN POLYTECHNICAL UNIV