Horizontal external pressure experiment device

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...

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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 container is only subjected to uniform circumferential external pressure; the current external pressure test platform The fixing methods of thin shells of different sizes and types are not fully considered

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