Horizontal external pressure experiment device

An experimental device and horizontal technology, applied in the field of horizontal external pressure experimental devices, can solve problems such as affecting the experimental results, and achieve the effect of ensuring safety and reasonable device structure design.

Pending Publication Date: 2021-11-05
ZHEJIANG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current external pressure test platform does not fully consider the influence of the axial load on the critical instability pressure of the sample, so the test results will be affected when the

Method used

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  • Horizontal external pressure experiment device
  • Horizontal external pressure experiment device
  • Horizontal external pressure experiment device

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Example Embodiment

[0025] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the said scope.

[0026] like Figure 1-5 As shown, a horizontal external pressure test device includes a cylinder body 1, a saddle 4, a water injection port 5, a water discharge port 6, a loading port 7, a flange 8, a flat cover 10, an experimental sample 11, and a pressure gauge port 13 and the vent port 14, the bottom of the cylinder body 1 is provided with a water injection port 5, a water discharge port 6 and a loading port 7 in turn, which are respectively used for water injection, water release and pressurization during the experiment process, and a pressure gauge port 13 and a vent port are provided above the cylinder body 1. Port 14, during the experiment, the gas is discharged through the vent port 14, and the pressure gauge port 13 is connected with the pressure gauge to record the pressure ch...

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Abstract

The invention discloses a horizontal external pressure experiment device, and relates to the technical field of pressure-bearing equipment tests. The horizontal external pressure experiment device comprises a cylinder body, a saddle, a water injection opening, a water discharge opening, a loading opening, a flange, a flat cover, an experiment sample, a pressure gauge opening and an emptying opening, the cylinder body is fixed on the saddle, and the water injection opening, the water discharge opening and the loading opening are sequentially arranged below the cylinder body, the pressure gauge opening and the emptying opening are arranged above the cylinder body, a hole is formed in one end of the cylinder body, the flange is welded on the outer side of the hole, the flat cover is arranged on the flange, a clamp mechanism for fixing an experimental sample is arranged in the cylinder body, the experimental sample is clamped in the cylinder body through the clamp mechanism, the clamp mechanism is fixed on the flat cover, and the flat cover is connected with the flange through a stud. The horizontal external pressure experiment device has the advantages of reusability, suitability for external pressure experiments of various pressure containers, reasonable structural design, high safety and high experiment efficiency. The experiment sample is connected with the experiment device through the corresponding clamp.

Description

technical field [0001] The invention relates to the technical field of pressure equipment testing, in particular to a horizontal external pressure testing device. Background technique [0002] In the design of pressure vessels, for vessels subject to external pressure, stability is the main design issue, and the critical instability pressure is the main basis for judging its instability. However, the critical instability pressure determined by the design formula is too conservative, resulting in waste of materials in engineering applications. Therefore, in the study of pressure vessels under external pressure, it is often necessary to obtain the critical instability pressure of the external pressure through experiments, so as to better analyze the bearing capacity of the vessel and guide the design of the pressure vessel. However, the current external pressure test platform does not fully consider the influence of the axial load on the critical instability pressure of the s...

Claims

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Application Information

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IPC IPC(8): G01N3/12G01N3/02G01L19/00
CPCG01N3/12G01N3/02G01L19/0007G01N2203/0048
Inventor 张艺奇郑三龙张烁邓志军
Owner ZHEJIANG UNIV OF TECH
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