Thin-wall pressurization structure elastic-plastic deformation experimental study device

An elasto-plastic deformation and experimental research technology, which is applied in the direction of using repetitive force/pulsation force to test the strength of materials, etc., can solve the problems of high device cost, poor operation convenience, and inability to meet the pressure regulation accuracy of the manual pressure regulating system. The effect of convenient pressing process, reducing development cost, and ensuring experimental precision and accuracy

Inactive Publication Date: 2013-10-16
郑祥模
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Problems solved by technology

[0006] In order to overcome the shortcomings of the existing experimental research equipment on elastic-plastic deformation of thin-walled pressurized structures, the high cost of the device, the pressure regulation accuracy of the manual pressure regulation system cannot meet the experimental requirements, and the poor operation convenience, the present inventio

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  • Thin-wall pressurization structure elastic-plastic deformation experimental study device
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  • Thin-wall pressurization structure elastic-plastic deformation experimental study device

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Embodiment Construction

[0026] combine Figure 1 to Figure 8 , an experimental research device for elastoplastic deformation of a thin-walled pressurized structure, consisting of an oil injection module, a plunger precision pressurized pump 3, a pressure gauge 5-1, an experimental test piece 6, a micro-deformation test instrument and a pressure loading system, the described The oil injection module, the plunger precision pressurized pump 3, the experimental test piece 6 and the micro-deformation testing instrument are fixed on the high-rigidity cast iron test bench 1 in an adjustable manner. The whole part of the experimental research device is fixed or placed on a high-rigidity cast iron test bench, and the micro-deformation test instrument needs to be fixed on the test bench through a high-rigidity bracket to ensure the accuracy and scientificity of the entire experimental test results. The deformation of the thin-walled pressurized structure of the experimental structure 6 is on the order of micro...

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Abstract

The invention relates to a thin-wall pressurization structure elastic-plastic deformation experimental study device, which is composed of an oil injection module, a pressure gauge, an experimental test piece, a micro-deformation test instrument and a pressure loading system. The oil injection module, the experimental test piece, and the micro-deformation test instrument are fixed on a test bench. The oil injection module includes a manual pump and a stop valve. The experimental test piece is provided with a thin-wall pressurization structure. The micro-deformation test instrument is a contact-type high precision displacement sensor. The pressure loading system comprises a loading plate, a load display system, and fastening trapezoidal screws. The experimental study device also includes a plunger precise pressure pump, which consists of a plunger pressurization structure, a mechanical drive structure and a frame. The experimental study device provided in the invention has the characteristics of high pressure regulating precision, convenient operation and low development cost, and can be used in experimental study processes of thin-wall pressurization structure sensitivity and compressive sensitivity.

Description

technical field [0001] The invention relates to the field of scientific experimental research devices and instruments, in particular to an experimental research device for studying elastic-plastic deformation theory of thin-walled pressurized structures. Background technique [0002] Before analyzing thin-walled pressurized structures, thin plates in engineering structures are firstly introduced. In engineering research, "plate" is usually divided into three categories: thin plate, thick plate and film. The so-called thin plate usually satisfies the following assumptions, namely (1 / 80~1 / 100)≤h / b≤(1 / 5~1 / 8). The thin wall in the thin-wall pressurized structure belongs to the category of thin plate in engineering, not the category of membrane. In addition to satisfying the above assumptions, the thin-walled pressurized structure also needs to meet the following conditions: first, any straight line segment perpendicular to the mid-plane before deformation is still a straight l...

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Application Information

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IPC IPC(8): G01N3/36
Inventor 郑祥模
Owner 郑祥模
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